-
-
-
- built in CSS editor.' ),
- esc_url( add_query_arg( 'autofocus[section]', 'custom_css', admin_url( 'customize.php' ) ) )
- );
- ?>
-
-
-
+
+
+ built in CSS editor.' ),
+ esc_url( add_query_arg( 'autofocus[section]', 'custom_css', admin_url( 'customize.php' ) ) )
+ );
+ ?>
+
+
diff --git src/wp-admin/theme-install.php src/wp-admin/theme-install.php
index e4894cc3ec..aea7e4489a 100644
--- src/wp-admin/theme-install.php
+++ src/wp-admin/theme-install.php
@@ -60,7 +60,7 @@ wp_localize_script( 'theme', '_wpThemeSettings', array(
),
'tryAgain' => __( 'Try Again' ),
'themesFound' => __( 'Number of Themes found: %d' ),
- 'noThemesFound' => __( 'No themes found. Try a different search.' ),
+ 'noThemesFound' => __( 'No themes found. Try a different search query.' ),
'collapseSidebar' => __( 'Collapse Sidebar' ),
'expandSidebar' => __( 'Expand Sidebar' ),
/* translators: accessibility text */
@@ -228,7 +228,7 @@ include(ABSPATH . 'wp-admin/admin-header.php');
-
+
__( 'Search Installed Themes' ),
'searchPlaceholder' => __( 'Search installed themes...' ), // placeholder (no ellipsis)
'themesFound' => __( 'Number of Themes found: %d' ),
- 'noThemesFound' => __( 'No themes found. Try a different search.' ),
+ 'noThemesFound' => __( 'No themes found. Try a different search query.' ),
),
) );
@@ -308,7 +308,7 @@ foreach ( $themes as $theme ) :
-
+
blog_id, $details, 'site-details' );
}
- /** This filter is documented in wp-includes/ms-blogs.php */
+ /**
+ * Filters a blog's details.
+ *
+ * @since MU (3.0.0)
+ * @deprecated 4.7.0 Use site_details
+ *
+ * @param object $details The blog details.
+ */
$details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' );
/**
diff --git src/wp-includes/class-wp-term-query.php src/wp-includes/class-wp-term-query.php
index d704f5e161..be37596031 100644
--- src/wp-includes/class-wp-term-query.php
+++ src/wp-includes/class-wp-term-query.php
@@ -117,9 +117,7 @@ class WP_Term_Query {
* along with all of their descendant terms. If $include is
* non-empty, $exclude_tree is ignored. Default empty array.
* @type int|string $number Maximum number of terms to return. Accepts ''|0 (all) or any
- * positive number. Default ''|0 (all). Note that $number may
- * not return accurate results when coupled with $object_ids.
- * See #41796 for details.
+ * positive number. Default ''|0 (all).
* @type int $offset The number by which to offset the terms query. Default empty.
* @type string $fields Term fields to query for. Accepts 'all' (returns an array of
* complete term objects), 'all_with_object_id' (returns an
@@ -555,6 +553,16 @@ class WP_Term_Query {
$limits = '';
}
+ $do_distinct = false;
+
+ /*
+ * Duplicate terms are generally removed when necessary after the database query.
+ * But when a LIMIT clause is included in the query, we let MySQL enforce
+ * distinctness so the count is correct.
+ */
+ if ( ! empty( $limits ) && 'all_with_object_id' !== $args['fields'] ) {
+ $do_distinct = true;
+ }
if ( ! empty( $args['search'] ) ) {
$this->sql_clauses['where']['search'] = $this->get_search_sql( $args['search'] );
@@ -572,8 +580,7 @@ class WP_Term_Query {
if ( ! empty( $meta_clauses ) ) {
$join .= $mq_sql['join'];
$this->sql_clauses['where']['meta_query'] = preg_replace( '/^\s*AND\s*/', '', $mq_sql['where'] );
- $distinct .= "DISTINCT";
-
+ $do_distinct = true;
}
$selects = array();
@@ -635,6 +642,8 @@ class WP_Term_Query {
$where = implode( ' AND ', $this->sql_clauses['where'] );
+ $distinct = $do_distinct ? 'DISTINCT' : '';
+
/**
* Filters the terms query SQL clauses.
*
diff --git src/wp-includes/general-template.php src/wp-includes/general-template.php
index 3ed8af154f..e95b391e7b 100644
--- src/wp-includes/general-template.php
+++ src/wp-includes/general-template.php
@@ -3448,48 +3448,6 @@ function wp_enqueue_code_editor( $args ) {
wp_enqueue_script( 'code-editor' );
wp_enqueue_style( 'code-editor' );
- if ( isset( $settings['codemirror']['mode'] ) ) {
- $mode = $settings['codemirror']['mode'];
- if ( is_string( $mode ) ) {
- $mode = array(
- 'name' => $mode,
- );
- }
-
- if ( ! empty( $settings['codemirror']['lint'] ) ) {
- switch ( $mode['name'] ) {
- case 'css':
- case 'text/css':
- case 'text/x-scss':
- case 'text/x-less':
- wp_enqueue_script( 'csslint' );
- break;
- case 'htmlmixed':
- case 'text/html':
- case 'php':
- case 'application/x-httpd-php':
- case 'text/x-php':
- wp_enqueue_script( 'htmlhint' );
- wp_enqueue_script( 'csslint' );
- wp_enqueue_script( 'jshint' );
- if ( ! current_user_can( 'unfiltered_html' ) ) {
- wp_enqueue_script( 'htmlhint-kses' );
- }
- break;
- case 'javascript':
- case 'application/ecmascript':
- case 'application/json':
- case 'application/javascript':
- case 'application/ld+json':
- case 'text/typescript':
- case 'application/typescript':
- wp_enqueue_script( 'jshint' );
- wp_enqueue_script( 'jsonlint' );
- break;
- }
- }
- }
-
wp_add_inline_script( 'code-editor', sprintf( 'jQuery.extend( wp.codeEditor.defaultSettings, %s );', wp_json_encode( $settings ) ) );
/**
diff --git src/wp-includes/js/codemirror/codemirror.js src/wp-includes/js/codemirror/codemirror.js
new file mode 100644
index 0000000000..b38f033f90
--- /dev/null
+++ src/wp-includes/js/codemirror/codemirror.js
@@ -0,0 +1,79049 @@
+/******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/
+/******/ // Check if module is in cache
+/******/ if(installedModules[moduleId]) {
+/******/ return installedModules[moduleId].exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = installedModules[moduleId] = {
+/******/ i: moduleId,
+/******/ l: false,
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ // Flag the module as loaded
+/******/ module.l = true;
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/******/
+/******/ // expose the modules object (__webpack_modules__)
+/******/ __webpack_require__.m = modules;
+/******/
+/******/ // expose the module cache
+/******/ __webpack_require__.c = installedModules;
+/******/
+/******/ // define getter function for harmony exports
+/******/ __webpack_require__.d = function(exports, name, getter) {
+/******/ if(!__webpack_require__.o(exports, name)) {
+/******/ Object.defineProperty(exports, name, {
+/******/ configurable: false,
+/******/ enumerable: true,
+/******/ get: getter
+/******/ });
+/******/ }
+/******/ };
+/******/
+/******/ // getDefaultExport function for compatibility with non-harmony modules
+/******/ __webpack_require__.n = function(module) {
+/******/ var getter = module && module.__esModule ?
+/******/ function getDefault() { return module['default']; } :
+/******/ function getModuleExports() { return module; };
+/******/ __webpack_require__.d(getter, 'a', getter);
+/******/ return getter;
+/******/ };
+/******/
+/******/ // Object.prototype.hasOwnProperty.call
+/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ // __webpack_public_path__
+/******/ __webpack_require__.p = "";
+/******/
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(__webpack_require__.s = 54);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+// This is CodeMirror (http://codemirror.net), a code editor
+// implemented in JavaScript on top of the browser's DOM.
+//
+// You can find some technical background for some of the code below
+// at http://marijnhaverbeke.nl/blog/#cm-internals .
+
+(function (global, factory) {
+ true ? module.exports = factory() :
+ typeof define === 'function' && define.amd ? define(factory) :
+ (global.CodeMirror = factory());
+}(this, (function () { 'use strict';
+
+// Kludges for bugs and behavior differences that can't be feature
+// detected are enabled based on userAgent etc sniffing.
+var userAgent = navigator.userAgent;
+var platform = navigator.platform;
+
+var gecko = /gecko\/\d/i.test(userAgent);
+var ie_upto10 = /MSIE \d/.test(userAgent);
+var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
+var edge = /Edge\/(\d+)/.exec(userAgent);
+var ie = ie_upto10 || ie_11up || edge;
+var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
+var webkit = !edge && /WebKit\//.test(userAgent);
+var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
+var chrome = !edge && /Chrome\//.test(userAgent);
+var presto = /Opera\//.test(userAgent);
+var safari = /Apple Computer/.test(navigator.vendor);
+var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
+var phantom = /PhantomJS/.test(userAgent);
+
+var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
+var android = /Android/.test(userAgent);
+// This is woefully incomplete. Suggestions for alternative methods welcome.
+var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
+var mac = ios || /Mac/.test(platform);
+var chromeOS = /\bCrOS\b/.test(userAgent);
+var windows = /win/i.test(platform);
+
+var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
+if (presto_version) { presto_version = Number(presto_version[1]); }
+if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
+// Some browsers use the wrong event properties to signal cmd/ctrl on OS X
+var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
+var captureRightClick = gecko || (ie && ie_version >= 9);
+
+function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
+
+var rmClass = function(node, cls) {
+ var current = node.className;
+ var match = classTest(cls).exec(current);
+ if (match) {
+ var after = current.slice(match.index + match[0].length);
+ node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
+ }
+};
+
+function removeChildren(e) {
+ for (var count = e.childNodes.length; count > 0; --count)
+ { e.removeChild(e.firstChild); }
+ return e
+}
+
+function removeChildrenAndAdd(parent, e) {
+ return removeChildren(parent).appendChild(e)
+}
+
+function elt(tag, content, className, style) {
+ var e = document.createElement(tag);
+ if (className) { e.className = className; }
+ if (style) { e.style.cssText = style; }
+ if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
+ else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
+ return e
+}
+// wrapper for elt, which removes the elt from the accessibility tree
+function eltP(tag, content, className, style) {
+ var e = elt(tag, content, className, style);
+ e.setAttribute("role", "presentation");
+ return e
+}
+
+var range;
+if (document.createRange) { range = function(node, start, end, endNode) {
+ var r = document.createRange();
+ r.setEnd(endNode || node, end);
+ r.setStart(node, start);
+ return r
+}; }
+else { range = function(node, start, end) {
+ var r = document.body.createTextRange();
+ try { r.moveToElementText(node.parentNode); }
+ catch(e) { return r }
+ r.collapse(true);
+ r.moveEnd("character", end);
+ r.moveStart("character", start);
+ return r
+}; }
+
+function contains(parent, child) {
+ if (child.nodeType == 3) // Android browser always returns false when child is a textnode
+ { child = child.parentNode; }
+ if (parent.contains)
+ { return parent.contains(child) }
+ do {
+ if (child.nodeType == 11) { child = child.host; }
+ if (child == parent) { return true }
+ } while (child = child.parentNode)
+}
+
+function activeElt() {
+ // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
+ // IE < 10 will throw when accessed while the page is loading or in an iframe.
+ // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
+ var activeElement;
+ try {
+ activeElement = document.activeElement;
+ } catch(e) {
+ activeElement = document.body || null;
+ }
+ while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
+ { activeElement = activeElement.shadowRoot.activeElement; }
+ return activeElement
+}
+
+function addClass(node, cls) {
+ var current = node.className;
+ if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
+}
+function joinClasses(a, b) {
+ var as = a.split(" ");
+ for (var i = 0; i < as.length; i++)
+ { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
+ return b
+}
+
+var selectInput = function(node) { node.select(); };
+if (ios) // Mobile Safari apparently has a bug where select() is broken.
+ { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
+else if (ie) // Suppress mysterious IE10 errors
+ { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }
+
+function bind(f) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ return function(){return f.apply(null, args)}
+}
+
+function copyObj(obj, target, overwrite) {
+ if (!target) { target = {}; }
+ for (var prop in obj)
+ { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
+ { target[prop] = obj[prop]; } }
+ return target
+}
+
+// Counts the column offset in a string, taking tabs into account.
+// Used mostly to find indentation.
+function countColumn(string, end, tabSize, startIndex, startValue) {
+ if (end == null) {
+ end = string.search(/[^\s\u00a0]/);
+ if (end == -1) { end = string.length; }
+ }
+ for (var i = startIndex || 0, n = startValue || 0;;) {
+ var nextTab = string.indexOf("\t", i);
+ if (nextTab < 0 || nextTab >= end)
+ { return n + (end - i) }
+ n += nextTab - i;
+ n += tabSize - (n % tabSize);
+ i = nextTab + 1;
+ }
+}
+
+var Delayed = function() {this.id = null;};
+Delayed.prototype.set = function (ms, f) {
+ clearTimeout(this.id);
+ this.id = setTimeout(f, ms);
+};
+
+function indexOf(array, elt) {
+ for (var i = 0; i < array.length; ++i)
+ { if (array[i] == elt) { return i } }
+ return -1
+}
+
+// Number of pixels added to scroller and sizer to hide scrollbar
+var scrollerGap = 30;
+
+// Returned or thrown by various protocols to signal 'I'm not
+// handling this'.
+var Pass = {toString: function(){return "CodeMirror.Pass"}};
+
+// Reused option objects for setSelection & friends
+var sel_dontScroll = {scroll: false};
+var sel_mouse = {origin: "*mouse"};
+var sel_move = {origin: "+move"};
+
+// The inverse of countColumn -- find the offset that corresponds to
+// a particular column.
+function findColumn(string, goal, tabSize) {
+ for (var pos = 0, col = 0;;) {
+ var nextTab = string.indexOf("\t", pos);
+ if (nextTab == -1) { nextTab = string.length; }
+ var skipped = nextTab - pos;
+ if (nextTab == string.length || col + skipped >= goal)
+ { return pos + Math.min(skipped, goal - col) }
+ col += nextTab - pos;
+ col += tabSize - (col % tabSize);
+ pos = nextTab + 1;
+ if (col >= goal) { return pos }
+ }
+}
+
+var spaceStrs = [""];
+function spaceStr(n) {
+ while (spaceStrs.length <= n)
+ { spaceStrs.push(lst(spaceStrs) + " "); }
+ return spaceStrs[n]
+}
+
+function lst(arr) { return arr[arr.length-1] }
+
+function map(array, f) {
+ var out = [];
+ for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
+ return out
+}
+
+function insertSorted(array, value, score) {
+ var pos = 0, priority = score(value);
+ while (pos < array.length && score(array[pos]) <= priority) { pos++; }
+ array.splice(pos, 0, value);
+}
+
+function nothing() {}
+
+function createObj(base, props) {
+ var inst;
+ if (Object.create) {
+ inst = Object.create(base);
+ } else {
+ nothing.prototype = base;
+ inst = new nothing();
+ }
+ if (props) { copyObj(props, inst); }
+ return inst
+}
+
+var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
+function isWordCharBasic(ch) {
+ return /\w/.test(ch) || ch > "\x80" &&
+ (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
+}
+function isWordChar(ch, helper) {
+ if (!helper) { return isWordCharBasic(ch) }
+ if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
+ return helper.test(ch)
+}
+
+function isEmpty(obj) {
+ for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
+ return true
+}
+
+// Extending unicode characters. A series of a non-extending char +
+// any number of extending chars is treated as a single unit as far
+// as editing and measuring is concerned. This is not fully correct,
+// since some scripts/fonts/browsers also treat other configurations
+// of code points as a group.
+var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
+function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
+
+// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
+function skipExtendingChars(str, pos, dir) {
+ while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
+ return pos
+}
+
+// Returns the value from the range [`from`; `to`] that satisfies
+// `pred` and is closest to `from`. Assumes that at least `to`
+// satisfies `pred`. Supports `from` being greater than `to`.
+function findFirst(pred, from, to) {
+ // At any point we are certain `to` satisfies `pred`, don't know
+ // whether `from` does.
+ var dir = from > to ? -1 : 1;
+ for (;;) {
+ if (from == to) { return from }
+ var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
+ if (mid == from) { return pred(mid) ? from : to }
+ if (pred(mid)) { to = mid; }
+ else { from = mid + dir; }
+ }
+}
+
+// The display handles the DOM integration, both for input reading
+// and content drawing. It holds references to DOM nodes and
+// display-related state.
+
+function Display(place, doc, input) {
+ var d = this;
+ this.input = input;
+
+ // Covers bottom-right square when both scrollbars are present.
+ d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
+ d.scrollbarFiller.setAttribute("cm-not-content", "true");
+ // Covers bottom of gutter when coverGutterNextToScrollbar is on
+ // and h scrollbar is present.
+ d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
+ d.gutterFiller.setAttribute("cm-not-content", "true");
+ // Will contain the actual code, positioned to cover the viewport.
+ d.lineDiv = eltP("div", null, "CodeMirror-code");
+ // Elements are added to these to represent selection and cursors.
+ d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
+ d.cursorDiv = elt("div", null, "CodeMirror-cursors");
+ // A visibility: hidden element used to find the size of things.
+ d.measure = elt("div", null, "CodeMirror-measure");
+ // When lines outside of the viewport are measured, they are drawn in this.
+ d.lineMeasure = elt("div", null, "CodeMirror-measure");
+ // Wraps everything that needs to exist inside the vertically-padded coordinate system
+ d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
+ null, "position: relative; outline: none");
+ var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
+ // Moved around its parent to cover visible view.
+ d.mover = elt("div", [lines], null, "position: relative");
+ // Set to the height of the document, allowing scrolling.
+ d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
+ d.sizerWidth = null;
+ // Behavior of elts with overflow: auto and padding is
+ // inconsistent across browsers. This is used to ensure the
+ // scrollable area is big enough.
+ d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
+ // Will contain the gutters, if any.
+ d.gutters = elt("div", null, "CodeMirror-gutters");
+ d.lineGutter = null;
+ // Actual scrollable element.
+ d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
+ d.scroller.setAttribute("tabIndex", "-1");
+ // The element in which the editor lives.
+ d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
+
+ // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
+ if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
+ if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }
+
+ if (place) {
+ if (place.appendChild) { place.appendChild(d.wrapper); }
+ else { place(d.wrapper); }
+ }
+
+ // Current rendered range (may be bigger than the view window).
+ d.viewFrom = d.viewTo = doc.first;
+ d.reportedViewFrom = d.reportedViewTo = doc.first;
+ // Information about the rendered lines.
+ d.view = [];
+ d.renderedView = null;
+ // Holds info about a single rendered line when it was rendered
+ // for measurement, while not in view.
+ d.externalMeasured = null;
+ // Empty space (in pixels) above the view
+ d.viewOffset = 0;
+ d.lastWrapHeight = d.lastWrapWidth = 0;
+ d.updateLineNumbers = null;
+
+ d.nativeBarWidth = d.barHeight = d.barWidth = 0;
+ d.scrollbarsClipped = false;
+
+ // Used to only resize the line number gutter when necessary (when
+ // the amount of lines crosses a boundary that makes its width change)
+ d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
+ // Set to true when a non-horizontal-scrolling line widget is
+ // added. As an optimization, line widget aligning is skipped when
+ // this is false.
+ d.alignWidgets = false;
+
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
+
+ // Tracks the maximum line length so that the horizontal scrollbar
+ // can be kept static when scrolling.
+ d.maxLine = null;
+ d.maxLineLength = 0;
+ d.maxLineChanged = false;
+
+ // Used for measuring wheel scrolling granularity
+ d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
+
+ // True when shift is held down.
+ d.shift = false;
+
+ // Used to track whether anything happened since the context menu
+ // was opened.
+ d.selForContextMenu = null;
+
+ d.activeTouch = null;
+
+ input.init(d);
+}
+
+// Find the line object corresponding to the given line number.
+function getLine(doc, n) {
+ n -= doc.first;
+ if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
+ var chunk = doc;
+ while (!chunk.lines) {
+ for (var i = 0;; ++i) {
+ var child = chunk.children[i], sz = child.chunkSize();
+ if (n < sz) { chunk = child; break }
+ n -= sz;
+ }
+ }
+ return chunk.lines[n]
+}
+
+// Get the part of a document between two positions, as an array of
+// strings.
+function getBetween(doc, start, end) {
+ var out = [], n = start.line;
+ doc.iter(start.line, end.line + 1, function (line) {
+ var text = line.text;
+ if (n == end.line) { text = text.slice(0, end.ch); }
+ if (n == start.line) { text = text.slice(start.ch); }
+ out.push(text);
+ ++n;
+ });
+ return out
+}
+// Get the lines between from and to, as array of strings.
+function getLines(doc, from, to) {
+ var out = [];
+ doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
+ return out
+}
+
+// Update the height of a line, propagating the height change
+// upwards to parent nodes.
+function updateLineHeight(line, height) {
+ var diff = height - line.height;
+ if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
+}
+
+// Given a line object, find its line number by walking up through
+// its parent links.
+function lineNo(line) {
+ if (line.parent == null) { return null }
+ var cur = line.parent, no = indexOf(cur.lines, line);
+ for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+ for (var i = 0;; ++i) {
+ if (chunk.children[i] == cur) { break }
+ no += chunk.children[i].chunkSize();
+ }
+ }
+ return no + cur.first
+}
+
+// Find the line at the given vertical position, using the height
+// information in the document tree.
+function lineAtHeight(chunk, h) {
+ var n = chunk.first;
+ outer: do {
+ for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
+ var child = chunk.children[i$1], ch = child.height;
+ if (h < ch) { chunk = child; continue outer }
+ h -= ch;
+ n += child.chunkSize();
+ }
+ return n
+ } while (!chunk.lines)
+ var i = 0;
+ for (; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i], lh = line.height;
+ if (h < lh) { break }
+ h -= lh;
+ }
+ return n + i
+}
+
+function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
+
+function lineNumberFor(options, i) {
+ return String(options.lineNumberFormatter(i + options.firstLineNumber))
+}
+
+// A Pos instance represents a position within the text.
+function Pos(line, ch, sticky) {
+ if ( sticky === void 0 ) sticky = null;
+
+ if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
+ this.line = line;
+ this.ch = ch;
+ this.sticky = sticky;
+}
+
+// Compare two positions, return 0 if they are the same, a negative
+// number when a is less, and a positive number otherwise.
+function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
+
+function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
+
+function copyPos(x) {return Pos(x.line, x.ch)}
+function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
+function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
+
+// Most of the external API clips given positions to make sure they
+// actually exist within the document.
+function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
+function clipPos(doc, pos) {
+ if (pos.line < doc.first) { return Pos(doc.first, 0) }
+ var last = doc.first + doc.size - 1;
+ if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
+ return clipToLen(pos, getLine(doc, pos.line).text.length)
+}
+function clipToLen(pos, linelen) {
+ var ch = pos.ch;
+ if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
+ else if (ch < 0) { return Pos(pos.line, 0) }
+ else { return pos }
+}
+function clipPosArray(doc, array) {
+ var out = [];
+ for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
+ return out
+}
+
+// Optimize some code when these features are not used.
+var sawReadOnlySpans = false;
+var sawCollapsedSpans = false;
+
+function seeReadOnlySpans() {
+ sawReadOnlySpans = true;
+}
+
+function seeCollapsedSpans() {
+ sawCollapsedSpans = true;
+}
+
+// TEXTMARKER SPANS
+
+function MarkedSpan(marker, from, to) {
+ this.marker = marker;
+ this.from = from; this.to = to;
+}
+
+// Search an array of spans for a span matching the given marker.
+function getMarkedSpanFor(spans, marker) {
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if (span.marker == marker) { return span }
+ } }
+}
+// Remove a span from an array, returning undefined if no spans are
+// left (we don't store arrays for lines without spans).
+function removeMarkedSpan(spans, span) {
+ var r;
+ for (var i = 0; i < spans.length; ++i)
+ { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }
+ return r
+}
+// Add a span to a line.
+function addMarkedSpan(line, span) {
+ line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
+ span.marker.attachLine(line);
+}
+
+// Used for the algorithm that adjusts markers for a change in the
+// document. These functions cut an array of spans at a given
+// character position, returning an array of remaining chunks (or
+// undefined if nothing remains).
+function markedSpansBefore(old, startCh, isInsert) {
+ var nw;
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
+ if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
+ }
+ } }
+ return nw
+}
+function markedSpansAfter(old, endCh, isInsert) {
+ var nw;
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
+ if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
+ span.to == null ? null : span.to - endCh));
+ }
+ } }
+ return nw
+}
+
+// Given a change object, compute the new set of marker spans that
+// cover the line in which the change took place. Removes spans
+// entirely within the change, reconnects spans belonging to the
+// same marker that appear on both sides of the change, and cuts off
+// spans partially within the change. Returns an array of span
+// arrays with one element for each line in (after) the change.
+function stretchSpansOverChange(doc, change) {
+ if (change.full) { return null }
+ var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
+ var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
+ if (!oldFirst && !oldLast) { return null }
+
+ var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
+ // Get the spans that 'stick out' on both sides
+ var first = markedSpansBefore(oldFirst, startCh, isInsert);
+ var last = markedSpansAfter(oldLast, endCh, isInsert);
+
+ // Next, merge those two ends
+ var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
+ if (first) {
+ // Fix up .to properties of first
+ for (var i = 0; i < first.length; ++i) {
+ var span = first[i];
+ if (span.to == null) {
+ var found = getMarkedSpanFor(last, span.marker);
+ if (!found) { span.to = startCh; }
+ else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }
+ }
+ }
+ }
+ if (last) {
+ // Fix up .from in last (or move them into first in case of sameLine)
+ for (var i$1 = 0; i$1 < last.length; ++i$1) {
+ var span$1 = last[i$1];
+ if (span$1.to != null) { span$1.to += offset; }
+ if (span$1.from == null) {
+ var found$1 = getMarkedSpanFor(first, span$1.marker);
+ if (!found$1) {
+ span$1.from = offset;
+ if (sameLine) { (first || (first = [])).push(span$1); }
+ }
+ } else {
+ span$1.from += offset;
+ if (sameLine) { (first || (first = [])).push(span$1); }
+ }
+ }
+ }
+ // Make sure we didn't create any zero-length spans
+ if (first) { first = clearEmptySpans(first); }
+ if (last && last != first) { last = clearEmptySpans(last); }
+
+ var newMarkers = [first];
+ if (!sameLine) {
+ // Fill gap with whole-line-spans
+ var gap = change.text.length - 2, gapMarkers;
+ if (gap > 0 && first)
+ { for (var i$2 = 0; i$2 < first.length; ++i$2)
+ { if (first[i$2].to == null)
+ { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }
+ for (var i$3 = 0; i$3 < gap; ++i$3)
+ { newMarkers.push(gapMarkers); }
+ newMarkers.push(last);
+ }
+ return newMarkers
+}
+
+// Remove spans that are empty and don't have a clearWhenEmpty
+// option of false.
+function clearEmptySpans(spans) {
+ for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
+ { spans.splice(i--, 1); }
+ }
+ if (!spans.length) { return null }
+ return spans
+}
+
+// Used to 'clip' out readOnly ranges when making a change.
+function removeReadOnlyRanges(doc, from, to) {
+ var markers = null;
+ doc.iter(from.line, to.line + 1, function (line) {
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var mark = line.markedSpans[i].marker;
+ if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+ { (markers || (markers = [])).push(mark); }
+ } }
+ });
+ if (!markers) { return null }
+ var parts = [{from: from, to: to}];
+ for (var i = 0; i < markers.length; ++i) {
+ var mk = markers[i], m = mk.find(0);
+ for (var j = 0; j < parts.length; ++j) {
+ var p = parts[j];
+ if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
+ var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
+ if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
+ { newParts.push({from: p.from, to: m.from}); }
+ if (dto > 0 || !mk.inclusiveRight && !dto)
+ { newParts.push({from: m.to, to: p.to}); }
+ parts.splice.apply(parts, newParts);
+ j += newParts.length - 3;
+ }
+ }
+ return parts
+}
+
+// Connect or disconnect spans from a line.
+function detachMarkedSpans(line) {
+ var spans = line.markedSpans;
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.detachLine(line); }
+ line.markedSpans = null;
+}
+function attachMarkedSpans(line, spans) {
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.attachLine(line); }
+ line.markedSpans = spans;
+}
+
+// Helpers used when computing which overlapping collapsed span
+// counts as the larger one.
+function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
+function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
+
+// Returns a number indicating which of two overlapping collapsed
+// spans is larger (and thus includes the other). Falls back to
+// comparing ids when the spans cover exactly the same range.
+function compareCollapsedMarkers(a, b) {
+ var lenDiff = a.lines.length - b.lines.length;
+ if (lenDiff != 0) { return lenDiff }
+ var aPos = a.find(), bPos = b.find();
+ var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
+ if (fromCmp) { return -fromCmp }
+ var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
+ if (toCmp) { return toCmp }
+ return b.id - a.id
+}
+
+// Find out whether a line ends or starts in a collapsed span. If
+// so, return the marker for that span.
+function collapsedSpanAtSide(line, start) {
+ var sps = sawCollapsedSpans && line.markedSpans, found;
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
+ (!found || compareCollapsedMarkers(found, sp.marker) < 0))
+ { found = sp.marker; }
+ } }
+ return found
+}
+function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
+function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
+
+// Test whether there exists a collapsed span that partially
+// overlaps (covers the start or end, but not both) of a new span.
+// Such overlap is not allowed.
+function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {
+ var line = getLine(doc, lineNo$$1);
+ var sps = sawCollapsedSpans && line.markedSpans;
+ if (sps) { for (var i = 0; i < sps.length; ++i) {
+ var sp = sps[i];
+ if (!sp.marker.collapsed) { continue }
+ var found = sp.marker.find(0);
+ var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
+ var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
+ if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
+ if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
+ fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
+ { return true }
+ } }
+}
+
+// A visual line is a line as drawn on the screen. Folding, for
+// example, can cause multiple logical lines to appear on the same
+// visual line. This finds the start of the visual line that the
+// given line is part of (usually that is the line itself).
+function visualLine(line) {
+ var merged;
+ while (merged = collapsedSpanAtStart(line))
+ { line = merged.find(-1, true).line; }
+ return line
+}
+
+function visualLineEnd(line) {
+ var merged;
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line; }
+ return line
+}
+
+// Returns an array of logical lines that continue the visual line
+// started by the argument, or undefined if there are no such lines.
+function visualLineContinued(line) {
+ var merged, lines;
+ while (merged = collapsedSpanAtEnd(line)) {
+ line = merged.find(1, true).line
+ ;(lines || (lines = [])).push(line);
+ }
+ return lines
+}
+
+// Get the line number of the start of the visual line that the
+// given line number is part of.
+function visualLineNo(doc, lineN) {
+ var line = getLine(doc, lineN), vis = visualLine(line);
+ if (line == vis) { return lineN }
+ return lineNo(vis)
+}
+
+// Get the line number of the start of the next visual line after
+// the given line.
+function visualLineEndNo(doc, lineN) {
+ if (lineN > doc.lastLine()) { return lineN }
+ var line = getLine(doc, lineN), merged;
+ if (!lineIsHidden(doc, line)) { return lineN }
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line; }
+ return lineNo(line) + 1
+}
+
+// Compute whether a line is hidden. Lines count as hidden when they
+// are part of a visual line that starts with another line, or when
+// they are entirely covered by collapsed, non-widget span.
+function lineIsHidden(doc, line) {
+ var sps = sawCollapsedSpans && line.markedSpans;
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (!sp.marker.collapsed) { continue }
+ if (sp.from == null) { return true }
+ if (sp.marker.widgetNode) { continue }
+ if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
+ { return true }
+ } }
+}
+function lineIsHiddenInner(doc, line, span) {
+ if (span.to == null) {
+ var end = span.marker.find(1, true);
+ return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
+ }
+ if (span.marker.inclusiveRight && span.to == line.text.length)
+ { return true }
+ for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
+ sp = line.markedSpans[i];
+ if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
+ (sp.to == null || sp.to != span.from) &&
+ (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+ lineIsHiddenInner(doc, line, sp)) { return true }
+ }
+}
+
+// Find the height above the given line.
+function heightAtLine(lineObj) {
+ lineObj = visualLine(lineObj);
+
+ var h = 0, chunk = lineObj.parent;
+ for (var i = 0; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i];
+ if (line == lineObj) { break }
+ else { h += line.height; }
+ }
+ for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
+ for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
+ var cur = p.children[i$1];
+ if (cur == chunk) { break }
+ else { h += cur.height; }
+ }
+ }
+ return h
+}
+
+// Compute the character length of a line, taking into account
+// collapsed ranges (see markText) that might hide parts, and join
+// other lines onto it.
+function lineLength(line) {
+ if (line.height == 0) { return 0 }
+ var len = line.text.length, merged, cur = line;
+ while (merged = collapsedSpanAtStart(cur)) {
+ var found = merged.find(0, true);
+ cur = found.from.line;
+ len += found.from.ch - found.to.ch;
+ }
+ cur = line;
+ while (merged = collapsedSpanAtEnd(cur)) {
+ var found$1 = merged.find(0, true);
+ len -= cur.text.length - found$1.from.ch;
+ cur = found$1.to.line;
+ len += cur.text.length - found$1.to.ch;
+ }
+ return len
+}
+
+// Find the longest line in the document.
+function findMaxLine(cm) {
+ var d = cm.display, doc = cm.doc;
+ d.maxLine = getLine(doc, doc.first);
+ d.maxLineLength = lineLength(d.maxLine);
+ d.maxLineChanged = true;
+ doc.iter(function (line) {
+ var len = lineLength(line);
+ if (len > d.maxLineLength) {
+ d.maxLineLength = len;
+ d.maxLine = line;
+ }
+ });
+}
+
+// BIDI HELPERS
+
+function iterateBidiSections(order, from, to, f) {
+ if (!order) { return f(from, to, "ltr", 0) }
+ var found = false;
+ for (var i = 0; i < order.length; ++i) {
+ var part = order[i];
+ if (part.from < to && part.to > from || from == to && part.to == from) {
+ f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
+ found = true;
+ }
+ }
+ if (!found) { f(from, to, "ltr"); }
+}
+
+var bidiOther = null;
+function getBidiPartAt(order, ch, sticky) {
+ var found;
+ bidiOther = null;
+ for (var i = 0; i < order.length; ++i) {
+ var cur = order[i];
+ if (cur.from < ch && cur.to > ch) { return i }
+ if (cur.to == ch) {
+ if (cur.from != cur.to && sticky == "before") { found = i; }
+ else { bidiOther = i; }
+ }
+ if (cur.from == ch) {
+ if (cur.from != cur.to && sticky != "before") { found = i; }
+ else { bidiOther = i; }
+ }
+ }
+ return found != null ? found : bidiOther
+}
+
+// Bidirectional ordering algorithm
+// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
+// that this (partially) implements.
+
+// One-char codes used for character types:
+// L (L): Left-to-Right
+// R (R): Right-to-Left
+// r (AL): Right-to-Left Arabic
+// 1 (EN): European Number
+// + (ES): European Number Separator
+// % (ET): European Number Terminator
+// n (AN): Arabic Number
+// , (CS): Common Number Separator
+// m (NSM): Non-Spacing Mark
+// b (BN): Boundary Neutral
+// s (B): Paragraph Separator
+// t (S): Segment Separator
+// w (WS): Whitespace
+// N (ON): Other Neutrals
+
+// Returns null if characters are ordered as they appear
+// (left-to-right), or an array of sections ({from, to, level}
+// objects) in the order in which they occur visually.
+var bidiOrdering = (function() {
+ // Character types for codepoints 0 to 0xff
+ var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
+ // Character types for codepoints 0x600 to 0x6f9
+ var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
+ function charType(code) {
+ if (code <= 0xf7) { return lowTypes.charAt(code) }
+ else if (0x590 <= code && code <= 0x5f4) { return "R" }
+ else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
+ else if (0x6ee <= code && code <= 0x8ac) { return "r" }
+ else if (0x2000 <= code && code <= 0x200b) { return "w" }
+ else if (code == 0x200c) { return "b" }
+ else { return "L" }
+ }
+
+ var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
+ var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
+
+ function BidiSpan(level, from, to) {
+ this.level = level;
+ this.from = from; this.to = to;
+ }
+
+ return function(str, direction) {
+ var outerType = direction == "ltr" ? "L" : "R";
+
+ if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
+ var len = str.length, types = [];
+ for (var i = 0; i < len; ++i)
+ { types.push(charType(str.charCodeAt(i))); }
+
+ // W1. Examine each non-spacing mark (NSM) in the level run, and
+ // change the type of the NSM to the type of the previous
+ // character. If the NSM is at the start of the level run, it will
+ // get the type of sor.
+ for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
+ var type = types[i$1];
+ if (type == "m") { types[i$1] = prev; }
+ else { prev = type; }
+ }
+
+ // W2. Search backwards from each instance of a European number
+ // until the first strong type (R, L, AL, or sor) is found. If an
+ // AL is found, change the type of the European number to Arabic
+ // number.
+ // W3. Change all ALs to R.
+ for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
+ var type$1 = types[i$2];
+ if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
+ else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
+ }
+
+ // W4. A single European separator between two European numbers
+ // changes to a European number. A single common separator between
+ // two numbers of the same type changes to that type.
+ for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
+ var type$2 = types[i$3];
+ if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
+ else if (type$2 == "," && prev$1 == types[i$3+1] &&
+ (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
+ prev$1 = type$2;
+ }
+
+ // W5. A sequence of European terminators adjacent to European
+ // numbers changes to all European numbers.
+ // W6. Otherwise, separators and terminators change to Other
+ // Neutral.
+ for (var i$4 = 0; i$4 < len; ++i$4) {
+ var type$3 = types[i$4];
+ if (type$3 == ",") { types[i$4] = "N"; }
+ else if (type$3 == "%") {
+ var end = (void 0);
+ for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
+ var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
+ for (var j = i$4; j < end; ++j) { types[j] = replace; }
+ i$4 = end - 1;
+ }
+ }
+
+ // W7. Search backwards from each instance of a European number
+ // until the first strong type (R, L, or sor) is found. If an L is
+ // found, then change the type of the European number to L.
+ for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
+ var type$4 = types[i$5];
+ if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
+ else if (isStrong.test(type$4)) { cur$1 = type$4; }
+ }
+
+ // N1. A sequence of neutrals takes the direction of the
+ // surrounding strong text if the text on both sides has the same
+ // direction. European and Arabic numbers act as if they were R in
+ // terms of their influence on neutrals. Start-of-level-run (sor)
+ // and end-of-level-run (eor) are used at level run boundaries.
+ // N2. Any remaining neutrals take the embedding direction.
+ for (var i$6 = 0; i$6 < len; ++i$6) {
+ if (isNeutral.test(types[i$6])) {
+ var end$1 = (void 0);
+ for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
+ var before = (i$6 ? types[i$6-1] : outerType) == "L";
+ var after = (end$1 < len ? types[end$1] : outerType) == "L";
+ var replace$1 = before == after ? (before ? "L" : "R") : outerType;
+ for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
+ i$6 = end$1 - 1;
+ }
+ }
+
+ // Here we depart from the documented algorithm, in order to avoid
+ // building up an actual levels array. Since there are only three
+ // levels (0, 1, 2) in an implementation that doesn't take
+ // explicit embedding into account, we can build up the order on
+ // the fly, without following the level-based algorithm.
+ var order = [], m;
+ for (var i$7 = 0; i$7 < len;) {
+ if (countsAsLeft.test(types[i$7])) {
+ var start = i$7;
+ for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
+ order.push(new BidiSpan(0, start, i$7));
+ } else {
+ var pos = i$7, at = order.length;
+ for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
+ for (var j$2 = pos; j$2 < i$7;) {
+ if (countsAsNum.test(types[j$2])) {
+ if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }
+ var nstart = j$2;
+ for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
+ order.splice(at, 0, new BidiSpan(2, nstart, j$2));
+ pos = j$2;
+ } else { ++j$2; }
+ }
+ if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
+ }
+ }
+ if (order[0].level == 1 && (m = str.match(/^\s+/))) {
+ order[0].from = m[0].length;
+ order.unshift(new BidiSpan(0, 0, m[0].length));
+ }
+ if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
+ lst(order).to -= m[0].length;
+ order.push(new BidiSpan(0, len - m[0].length, len));
+ }
+
+ return direction == "rtl" ? order.reverse() : order
+ }
+})();
+
+// Get the bidi ordering for the given line (and cache it). Returns
+// false for lines that are fully left-to-right, and an array of
+// BidiSpan objects otherwise.
+function getOrder(line, direction) {
+ var order = line.order;
+ if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
+ return order
+}
+
+// EVENT HANDLING
+
+// Lightweight event framework. on/off also work on DOM nodes,
+// registering native DOM handlers.
+
+var noHandlers = [];
+
+var on = function(emitter, type, f) {
+ if (emitter.addEventListener) {
+ emitter.addEventListener(type, f, false);
+ } else if (emitter.attachEvent) {
+ emitter.attachEvent("on" + type, f);
+ } else {
+ var map$$1 = emitter._handlers || (emitter._handlers = {});
+ map$$1[type] = (map$$1[type] || noHandlers).concat(f);
+ }
+};
+
+function getHandlers(emitter, type) {
+ return emitter._handlers && emitter._handlers[type] || noHandlers
+}
+
+function off(emitter, type, f) {
+ if (emitter.removeEventListener) {
+ emitter.removeEventListener(type, f, false);
+ } else if (emitter.detachEvent) {
+ emitter.detachEvent("on" + type, f);
+ } else {
+ var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];
+ if (arr) {
+ var index = indexOf(arr, f);
+ if (index > -1)
+ { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
+ }
+ }
+}
+
+function signal(emitter, type /*, values...*/) {
+ var handlers = getHandlers(emitter, type);
+ if (!handlers.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2);
+ for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
+}
+
+// The DOM events that CodeMirror handles can be overridden by
+// registering a (non-DOM) handler on the editor for the event name,
+// and preventDefault-ing the event in that handler.
+function signalDOMEvent(cm, e, override) {
+ if (typeof e == "string")
+ { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
+ signal(cm, override || e.type, cm, e);
+ return e_defaultPrevented(e) || e.codemirrorIgnore
+}
+
+function signalCursorActivity(cm) {
+ var arr = cm._handlers && cm._handlers.cursorActivity;
+ if (!arr) { return }
+ var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
+ for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
+ { set.push(arr[i]); } }
+}
+
+function hasHandler(emitter, type) {
+ return getHandlers(emitter, type).length > 0
+}
+
+// Add on and off methods to a constructor's prototype, to make
+// registering events on such objects more convenient.
+function eventMixin(ctor) {
+ ctor.prototype.on = function(type, f) {on(this, type, f);};
+ ctor.prototype.off = function(type, f) {off(this, type, f);};
+}
+
+// Due to the fact that we still support jurassic IE versions, some
+// compatibility wrappers are needed.
+
+function e_preventDefault(e) {
+ if (e.preventDefault) { e.preventDefault(); }
+ else { e.returnValue = false; }
+}
+function e_stopPropagation(e) {
+ if (e.stopPropagation) { e.stopPropagation(); }
+ else { e.cancelBubble = true; }
+}
+function e_defaultPrevented(e) {
+ return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
+}
+function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
+
+function e_target(e) {return e.target || e.srcElement}
+function e_button(e) {
+ var b = e.which;
+ if (b == null) {
+ if (e.button & 1) { b = 1; }
+ else if (e.button & 2) { b = 3; }
+ else if (e.button & 4) { b = 2; }
+ }
+ if (mac && e.ctrlKey && b == 1) { b = 3; }
+ return b
+}
+
+// Detect drag-and-drop
+var dragAndDrop = function() {
+ // There is *some* kind of drag-and-drop support in IE6-8, but I
+ // couldn't get it to work yet.
+ if (ie && ie_version < 9) { return false }
+ var div = elt('div');
+ return "draggable" in div || "dragDrop" in div
+}();
+
+var zwspSupported;
+function zeroWidthElement(measure) {
+ if (zwspSupported == null) {
+ var test = elt("span", "\u200b");
+ removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
+ if (measure.firstChild.offsetHeight != 0)
+ { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
+ }
+ var node = zwspSupported ? elt("span", "\u200b") :
+ elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
+ node.setAttribute("cm-text", "");
+ return node
+}
+
+// Feature-detect IE's crummy client rect reporting for bidi text
+var badBidiRects;
+function hasBadBidiRects(measure) {
+ if (badBidiRects != null) { return badBidiRects }
+ var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
+ var r0 = range(txt, 0, 1).getBoundingClientRect();
+ var r1 = range(txt, 1, 2).getBoundingClientRect();
+ removeChildren(measure);
+ if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
+ return badBidiRects = (r1.right - r0.right < 3)
+}
+
+// See if "".split is the broken IE version, if so, provide an
+// alternative way to split lines.
+var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
+ var pos = 0, result = [], l = string.length;
+ while (pos <= l) {
+ var nl = string.indexOf("\n", pos);
+ if (nl == -1) { nl = string.length; }
+ var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
+ var rt = line.indexOf("\r");
+ if (rt != -1) {
+ result.push(line.slice(0, rt));
+ pos += rt + 1;
+ } else {
+ result.push(line);
+ pos = nl + 1;
+ }
+ }
+ return result
+} : function (string) { return string.split(/\r\n?|\n/); };
+
+var hasSelection = window.getSelection ? function (te) {
+ try { return te.selectionStart != te.selectionEnd }
+ catch(e) { return false }
+} : function (te) {
+ var range$$1;
+ try {range$$1 = te.ownerDocument.selection.createRange();}
+ catch(e) {}
+ if (!range$$1 || range$$1.parentElement() != te) { return false }
+ return range$$1.compareEndPoints("StartToEnd", range$$1) != 0
+};
+
+var hasCopyEvent = (function () {
+ var e = elt("div");
+ if ("oncopy" in e) { return true }
+ e.setAttribute("oncopy", "return;");
+ return typeof e.oncopy == "function"
+})();
+
+var badZoomedRects = null;
+function hasBadZoomedRects(measure) {
+ if (badZoomedRects != null) { return badZoomedRects }
+ var node = removeChildrenAndAdd(measure, elt("span", "x"));
+ var normal = node.getBoundingClientRect();
+ var fromRange = range(node, 0, 1).getBoundingClientRect();
+ return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
+}
+
+// Known modes, by name and by MIME
+var modes = {};
+var mimeModes = {};
+
+// Extra arguments are stored as the mode's dependencies, which is
+// used by (legacy) mechanisms like loadmode.js to automatically
+// load a mode. (Preferred mechanism is the require/define calls.)
+function defineMode(name, mode) {
+ if (arguments.length > 2)
+ { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
+ modes[name] = mode;
+}
+
+function defineMIME(mime, spec) {
+ mimeModes[mime] = spec;
+}
+
+// Given a MIME type, a {name, ...options} config object, or a name
+// string, return a mode config object.
+function resolveMode(spec) {
+ if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
+ spec = mimeModes[spec];
+ } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
+ var found = mimeModes[spec.name];
+ if (typeof found == "string") { found = {name: found}; }
+ spec = createObj(found, spec);
+ spec.name = found.name;
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
+ return resolveMode("application/xml")
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
+ return resolveMode("application/json")
+ }
+ if (typeof spec == "string") { return {name: spec} }
+ else { return spec || {name: "null"} }
+}
+
+// Given a mode spec (anything that resolveMode accepts), find and
+// initialize an actual mode object.
+function getMode(options, spec) {
+ spec = resolveMode(spec);
+ var mfactory = modes[spec.name];
+ if (!mfactory) { return getMode(options, "text/plain") }
+ var modeObj = mfactory(options, spec);
+ if (modeExtensions.hasOwnProperty(spec.name)) {
+ var exts = modeExtensions[spec.name];
+ for (var prop in exts) {
+ if (!exts.hasOwnProperty(prop)) { continue }
+ if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
+ modeObj[prop] = exts[prop];
+ }
+ }
+ modeObj.name = spec.name;
+ if (spec.helperType) { modeObj.helperType = spec.helperType; }
+ if (spec.modeProps) { for (var prop$1 in spec.modeProps)
+ { modeObj[prop$1] = spec.modeProps[prop$1]; } }
+
+ return modeObj
+}
+
+// This can be used to attach properties to mode objects from
+// outside the actual mode definition.
+var modeExtensions = {};
+function extendMode(mode, properties) {
+ var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
+ copyObj(properties, exts);
+}
+
+function copyState(mode, state) {
+ if (state === true) { return state }
+ if (mode.copyState) { return mode.copyState(state) }
+ var nstate = {};
+ for (var n in state) {
+ var val = state[n];
+ if (val instanceof Array) { val = val.concat([]); }
+ nstate[n] = val;
+ }
+ return nstate
+}
+
+// Given a mode and a state (for that mode), find the inner mode and
+// state at the position that the state refers to.
+function innerMode(mode, state) {
+ var info;
+ while (mode.innerMode) {
+ info = mode.innerMode(state);
+ if (!info || info.mode == mode) { break }
+ state = info.state;
+ mode = info.mode;
+ }
+ return info || {mode: mode, state: state}
+}
+
+function startState(mode, a1, a2) {
+ return mode.startState ? mode.startState(a1, a2) : true
+}
+
+// STRING STREAM
+
+// Fed to the mode parsers, provides helper functions to make
+// parsers more succinct.
+
+var StringStream = function(string, tabSize, lineOracle) {
+ this.pos = this.start = 0;
+ this.string = string;
+ this.tabSize = tabSize || 8;
+ this.lastColumnPos = this.lastColumnValue = 0;
+ this.lineStart = 0;
+ this.lineOracle = lineOracle;
+};
+
+StringStream.prototype.eol = function () {return this.pos >= this.string.length};
+StringStream.prototype.sol = function () {return this.pos == this.lineStart};
+StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
+StringStream.prototype.next = function () {
+ if (this.pos < this.string.length)
+ { return this.string.charAt(this.pos++) }
+};
+StringStream.prototype.eat = function (match) {
+ var ch = this.string.charAt(this.pos);
+ var ok;
+ if (typeof match == "string") { ok = ch == match; }
+ else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
+ if (ok) {++this.pos; return ch}
+};
+StringStream.prototype.eatWhile = function (match) {
+ var start = this.pos;
+ while (this.eat(match)){}
+ return this.pos > start
+};
+StringStream.prototype.eatSpace = function () {
+ var this$1 = this;
+
+ var start = this.pos;
+ while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }
+ return this.pos > start
+};
+StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
+StringStream.prototype.skipTo = function (ch) {
+ var found = this.string.indexOf(ch, this.pos);
+ if (found > -1) {this.pos = found; return true}
+};
+StringStream.prototype.backUp = function (n) {this.pos -= n;};
+StringStream.prototype.column = function () {
+ if (this.lastColumnPos < this.start) {
+ this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
+ this.lastColumnPos = this.start;
+ }
+ return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+};
+StringStream.prototype.indentation = function () {
+ return countColumn(this.string, null, this.tabSize) -
+ (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+};
+StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
+ if (typeof pattern == "string") {
+ var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
+ var substr = this.string.substr(this.pos, pattern.length);
+ if (cased(substr) == cased(pattern)) {
+ if (consume !== false) { this.pos += pattern.length; }
+ return true
+ }
+ } else {
+ var match = this.string.slice(this.pos).match(pattern);
+ if (match && match.index > 0) { return null }
+ if (match && consume !== false) { this.pos += match[0].length; }
+ return match
+ }
+};
+StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
+StringStream.prototype.hideFirstChars = function (n, inner) {
+ this.lineStart += n;
+ try { return inner() }
+ finally { this.lineStart -= n; }
+};
+StringStream.prototype.lookAhead = function (n) {
+ var oracle = this.lineOracle;
+ return oracle && oracle.lookAhead(n)
+};
+
+var SavedContext = function(state, lookAhead) {
+ this.state = state;
+ this.lookAhead = lookAhead;
+};
+
+var Context = function(doc, state, line, lookAhead) {
+ this.state = state;
+ this.doc = doc;
+ this.line = line;
+ this.maxLookAhead = lookAhead || 0;
+};
+
+Context.prototype.lookAhead = function (n) {
+ var line = this.doc.getLine(this.line + n);
+ if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
+ return line
+};
+
+Context.prototype.nextLine = function () {
+ this.line++;
+ if (this.maxLookAhead > 0) { this.maxLookAhead--; }
+};
+
+Context.fromSaved = function (doc, saved, line) {
+ if (saved instanceof SavedContext)
+ { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
+ else
+ { return new Context(doc, copyState(doc.mode, saved), line) }
+};
+
+Context.prototype.save = function (copy) {
+ var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
+ return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
+};
+
+
+// Compute a style array (an array starting with a mode generation
+// -- for invalidation -- followed by pairs of end positions and
+// style strings), which is used to highlight the tokens on the
+// line.
+function highlightLine(cm, line, context, forceToEnd) {
+ // A styles array always starts with a number identifying the
+ // mode/overlays that it is based on (for easy invalidation).
+ var st = [cm.state.modeGen], lineClasses = {};
+ // Compute the base array of styles
+ runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
+ lineClasses, forceToEnd);
+ var state = context.state;
+
+ // Run overlays, adjust style array.
+ var loop = function ( o ) {
+ var overlay = cm.state.overlays[o], i = 1, at = 0;
+ context.state = true;
+ runMode(cm, line.text, overlay.mode, context, function (end, style) {
+ var start = i;
+ // Ensure there's a token end at the current position, and that i points at it
+ while (at < end) {
+ var i_end = st[i];
+ if (i_end > end)
+ { st.splice(i, 1, end, st[i+1], i_end); }
+ i += 2;
+ at = Math.min(end, i_end);
+ }
+ if (!style) { return }
+ if (overlay.opaque) {
+ st.splice(start, i - start, end, "overlay " + style);
+ i = start + 2;
+ } else {
+ for (; start < i; start += 2) {
+ var cur = st[start+1];
+ st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
+ }
+ }
+ }, lineClasses);
+ };
+
+ for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
+ context.state = state;
+
+ return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
+}
+
+function getLineStyles(cm, line, updateFrontier) {
+ if (!line.styles || line.styles[0] != cm.state.modeGen) {
+ var context = getContextBefore(cm, lineNo(line));
+ var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
+ var result = highlightLine(cm, line, context);
+ if (resetState) { context.state = resetState; }
+ line.stateAfter = context.save(!resetState);
+ line.styles = result.styles;
+ if (result.classes) { line.styleClasses = result.classes; }
+ else if (line.styleClasses) { line.styleClasses = null; }
+ if (updateFrontier === cm.doc.highlightFrontier)
+ { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
+ }
+ return line.styles
+}
+
+function getContextBefore(cm, n, precise) {
+ var doc = cm.doc, display = cm.display;
+ if (!doc.mode.startState) { return new Context(doc, true, n) }
+ var start = findStartLine(cm, n, precise);
+ var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
+ var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);
+
+ doc.iter(start, n, function (line) {
+ processLine(cm, line.text, context);
+ var pos = context.line;
+ line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
+ context.nextLine();
+ });
+ if (precise) { doc.modeFrontier = context.line; }
+ return context
+}
+
+// Lightweight form of highlight -- proceed over this line and
+// update state, but don't save a style array. Used for lines that
+// aren't currently visible.
+function processLine(cm, text, context, startAt) {
+ var mode = cm.doc.mode;
+ var stream = new StringStream(text, cm.options.tabSize, context);
+ stream.start = stream.pos = startAt || 0;
+ if (text == "") { callBlankLine(mode, context.state); }
+ while (!stream.eol()) {
+ readToken(mode, stream, context.state);
+ stream.start = stream.pos;
+ }
+}
+
+function callBlankLine(mode, state) {
+ if (mode.blankLine) { return mode.blankLine(state) }
+ if (!mode.innerMode) { return }
+ var inner = innerMode(mode, state);
+ if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
+}
+
+function readToken(mode, stream, state, inner) {
+ for (var i = 0; i < 10; i++) {
+ if (inner) { inner[0] = innerMode(mode, state).mode; }
+ var style = mode.token(stream, state);
+ if (stream.pos > stream.start) { return style }
+ }
+ throw new Error("Mode " + mode.name + " failed to advance stream.")
+}
+
+var Token = function(stream, type, state) {
+ this.start = stream.start; this.end = stream.pos;
+ this.string = stream.current();
+ this.type = type || null;
+ this.state = state;
+};
+
+// Utility for getTokenAt and getLineTokens
+function takeToken(cm, pos, precise, asArray) {
+ var doc = cm.doc, mode = doc.mode, style;
+ pos = clipPos(doc, pos);
+ var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
+ var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
+ if (asArray) { tokens = []; }
+ while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
+ stream.start = stream.pos;
+ style = readToken(mode, stream, context.state);
+ if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
+ }
+ return asArray ? tokens : new Token(stream, style, context.state)
+}
+
+function extractLineClasses(type, output) {
+ if (type) { for (;;) {
+ var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
+ if (!lineClass) { break }
+ type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
+ var prop = lineClass[1] ? "bgClass" : "textClass";
+ if (output[prop] == null)
+ { output[prop] = lineClass[2]; }
+ else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
+ { output[prop] += " " + lineClass[2]; }
+ } }
+ return type
+}
+
+// Run the given mode's parser over a line, calling f for each token.
+function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
+ var flattenSpans = mode.flattenSpans;
+ if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }
+ var curStart = 0, curStyle = null;
+ var stream = new StringStream(text, cm.options.tabSize, context), style;
+ var inner = cm.options.addModeClass && [null];
+ if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }
+ while (!stream.eol()) {
+ if (stream.pos > cm.options.maxHighlightLength) {
+ flattenSpans = false;
+ if (forceToEnd) { processLine(cm, text, context, stream.pos); }
+ stream.pos = text.length;
+ style = null;
+ } else {
+ style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
+ }
+ if (inner) {
+ var mName = inner[0].name;
+ if (mName) { style = "m-" + (style ? mName + " " + style : mName); }
+ }
+ if (!flattenSpans || curStyle != style) {
+ while (curStart < stream.start) {
+ curStart = Math.min(stream.start, curStart + 5000);
+ f(curStart, curStyle);
+ }
+ curStyle = style;
+ }
+ stream.start = stream.pos;
+ }
+ while (curStart < stream.pos) {
+ // Webkit seems to refuse to render text nodes longer than 57444
+ // characters, and returns inaccurate measurements in nodes
+ // starting around 5000 chars.
+ var pos = Math.min(stream.pos, curStart + 5000);
+ f(pos, curStyle);
+ curStart = pos;
+ }
+}
+
+// Finds the line to start with when starting a parse. Tries to
+// find a line with a stateAfter, so that it can start with a
+// valid state. If that fails, it returns the line with the
+// smallest indentation, which tends to need the least context to
+// parse correctly.
+function findStartLine(cm, n, precise) {
+ var minindent, minline, doc = cm.doc;
+ var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
+ for (var search = n; search > lim; --search) {
+ if (search <= doc.first) { return doc.first }
+ var line = getLine(doc, search - 1), after = line.stateAfter;
+ if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
+ { return search }
+ var indented = countColumn(line.text, null, cm.options.tabSize);
+ if (minline == null || minindent > indented) {
+ minline = search - 1;
+ minindent = indented;
+ }
+ }
+ return minline
+}
+
+function retreatFrontier(doc, n) {
+ doc.modeFrontier = Math.min(doc.modeFrontier, n);
+ if (doc.highlightFrontier < n - 10) { return }
+ var start = doc.first;
+ for (var line = n - 1; line > start; line--) {
+ var saved = getLine(doc, line).stateAfter;
+ // change is on 3
+ // state on line 1 looked ahead 2 -- so saw 3
+ // test 1 + 2 < 3 should cover this
+ if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
+ start = line + 1;
+ break
+ }
+ }
+ doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
+}
+
+// LINE DATA STRUCTURE
+
+// Line objects. These hold state related to a line, including
+// highlighting info (the styles array).
+var Line = function(text, markedSpans, estimateHeight) {
+ this.text = text;
+ attachMarkedSpans(this, markedSpans);
+ this.height = estimateHeight ? estimateHeight(this) : 1;
+};
+
+Line.prototype.lineNo = function () { return lineNo(this) };
+eventMixin(Line);
+
+// Change the content (text, markers) of a line. Automatically
+// invalidates cached information and tries to re-estimate the
+// line's height.
+function updateLine(line, text, markedSpans, estimateHeight) {
+ line.text = text;
+ if (line.stateAfter) { line.stateAfter = null; }
+ if (line.styles) { line.styles = null; }
+ if (line.order != null) { line.order = null; }
+ detachMarkedSpans(line);
+ attachMarkedSpans(line, markedSpans);
+ var estHeight = estimateHeight ? estimateHeight(line) : 1;
+ if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+}
+
+// Detach a line from the document tree and its markers.
+function cleanUpLine(line) {
+ line.parent = null;
+ detachMarkedSpans(line);
+}
+
+// Convert a style as returned by a mode (either null, or a string
+// containing one or more styles) to a CSS style. This is cached,
+// and also looks for line-wide styles.
+var styleToClassCache = {};
+var styleToClassCacheWithMode = {};
+function interpretTokenStyle(style, options) {
+ if (!style || /^\s*$/.test(style)) { return null }
+ var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
+ return cache[style] ||
+ (cache[style] = style.replace(/\S+/g, "cm-$&"))
+}
+
+// Render the DOM representation of the text of a line. Also builds
+// up a 'line map', which points at the DOM nodes that represent
+// specific stretches of text, and is used by the measuring code.
+// The returned object contains the DOM node, this map, and
+// information about line-wide styles that were set by the mode.
+function buildLineContent(cm, lineView) {
+ // The padding-right forces the element to have a 'border', which
+ // is needed on Webkit to be able to get line-level bounding
+ // rectangles for it (in measureChar).
+ var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
+ var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
+ col: 0, pos: 0, cm: cm,
+ trailingSpace: false,
+ splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};
+ lineView.measure = {};
+
+ // Iterate over the logical lines that make up this visual line.
+ for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
+ var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);
+ builder.pos = 0;
+ builder.addToken = buildToken;
+ // Optionally wire in some hacks into the token-rendering
+ // algorithm, to deal with browser quirks.
+ if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
+ { builder.addToken = buildTokenBadBidi(builder.addToken, order); }
+ builder.map = [];
+ var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
+ insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
+ if (line.styleClasses) {
+ if (line.styleClasses.bgClass)
+ { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }
+ if (line.styleClasses.textClass)
+ { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }
+ }
+
+ // Ensure at least a single node is present, for measuring.
+ if (builder.map.length == 0)
+ { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }
+
+ // Store the map and a cache object for the current logical line
+ if (i == 0) {
+ lineView.measure.map = builder.map;
+ lineView.measure.cache = {};
+ } else {
+ (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
+ ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});
+ }
+ }
+
+ // See issue #2901
+ if (webkit) {
+ var last = builder.content.lastChild;
+ if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
+ { builder.content.className = "cm-tab-wrap-hack"; }
+ }
+
+ signal(cm, "renderLine", cm, lineView.line, builder.pre);
+ if (builder.pre.className)
+ { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }
+
+ return builder
+}
+
+function defaultSpecialCharPlaceholder(ch) {
+ var token = elt("span", "\u2022", "cm-invalidchar");
+ token.title = "\\u" + ch.charCodeAt(0).toString(16);
+ token.setAttribute("aria-label", token.title);
+ return token
+}
+
+// Build up the DOM representation for a single token, and add it to
+// the line map. Takes care to render special characters separately.
+function buildToken(builder, text, style, startStyle, endStyle, title, css) {
+ if (!text) { return }
+ var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
+ var special = builder.cm.state.specialChars, mustWrap = false;
+ var content;
+ if (!special.test(text)) {
+ builder.col += text.length;
+ content = document.createTextNode(displayText);
+ builder.map.push(builder.pos, builder.pos + text.length, content);
+ if (ie && ie_version < 9) { mustWrap = true; }
+ builder.pos += text.length;
+ } else {
+ content = document.createDocumentFragment();
+ var pos = 0;
+ while (true) {
+ special.lastIndex = pos;
+ var m = special.exec(text);
+ var skipped = m ? m.index - pos : text.length - pos;
+ if (skipped) {
+ var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }
+ else { content.appendChild(txt); }
+ builder.map.push(builder.pos, builder.pos + skipped, txt);
+ builder.col += skipped;
+ builder.pos += skipped;
+ }
+ if (!m) { break }
+ pos += skipped + 1;
+ var txt$1 = (void 0);
+ if (m[0] == "\t") {
+ var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
+ txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
+ txt$1.setAttribute("role", "presentation");
+ txt$1.setAttribute("cm-text", "\t");
+ builder.col += tabWidth;
+ } else if (m[0] == "\r" || m[0] == "\n") {
+ txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
+ txt$1.setAttribute("cm-text", m[0]);
+ builder.col += 1;
+ } else {
+ txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);
+ txt$1.setAttribute("cm-text", m[0]);
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }
+ else { content.appendChild(txt$1); }
+ builder.col += 1;
+ }
+ builder.map.push(builder.pos, builder.pos + 1, txt$1);
+ builder.pos++;
+ }
+ }
+ builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
+ if (style || startStyle || endStyle || mustWrap || css) {
+ var fullStyle = style || "";
+ if (startStyle) { fullStyle += startStyle; }
+ if (endStyle) { fullStyle += endStyle; }
+ var token = elt("span", [content], fullStyle, css);
+ if (title) { token.title = title; }
+ return builder.content.appendChild(token)
+ }
+ builder.content.appendChild(content);
+}
+
+function splitSpaces(text, trailingBefore) {
+ if (text.length > 1 && !/ /.test(text)) { return text }
+ var spaceBefore = trailingBefore, result = "";
+ for (var i = 0; i < text.length; i++) {
+ var ch = text.charAt(i);
+ if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
+ { ch = "\u00a0"; }
+ result += ch;
+ spaceBefore = ch == " ";
+ }
+ return result
+}
+
+// Work around nonsense dimensions being reported for stretches of
+// right-to-left text.
+function buildTokenBadBidi(inner, order) {
+ return function (builder, text, style, startStyle, endStyle, title, css) {
+ style = style ? style + " cm-force-border" : "cm-force-border";
+ var start = builder.pos, end = start + text.length;
+ for (;;) {
+ // Find the part that overlaps with the start of this text
+ var part = (void 0);
+ for (var i = 0; i < order.length; i++) {
+ part = order[i];
+ if (part.to > start && part.from <= start) { break }
+ }
+ if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) }
+ inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);
+ startStyle = null;
+ text = text.slice(part.to - start);
+ start = part.to;
+ }
+ }
+}
+
+function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
+ var widget = !ignoreWidget && marker.widgetNode;
+ if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }
+ if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
+ if (!widget)
+ { widget = builder.content.appendChild(document.createElement("span")); }
+ widget.setAttribute("cm-marker", marker.id);
+ }
+ if (widget) {
+ builder.cm.display.input.setUneditable(widget);
+ builder.content.appendChild(widget);
+ }
+ builder.pos += size;
+ builder.trailingSpace = false;
+}
+
+// Outputs a number of spans to make up a line, taking highlighting
+// and marked text into account.
+function insertLineContent(line, builder, styles) {
+ var spans = line.markedSpans, allText = line.text, at = 0;
+ if (!spans) {
+ for (var i$1 = 1; i$1 < styles.length; i$1+=2)
+ { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }
+ return
+ }
+
+ var len = allText.length, pos = 0, i = 1, text = "", style, css;
+ var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
+ for (;;) {
+ if (nextChange == pos) { // Update current marker set
+ spanStyle = spanEndStyle = spanStartStyle = title = css = "";
+ collapsed = null; nextChange = Infinity;
+ var foundBookmarks = [], endStyles = (void 0);
+ for (var j = 0; j < spans.length; ++j) {
+ var sp = spans[j], m = sp.marker;
+ if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
+ foundBookmarks.push(m);
+ } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
+ if (sp.to != null && sp.to != pos && nextChange > sp.to) {
+ nextChange = sp.to;
+ spanEndStyle = "";
+ }
+ if (m.className) { spanStyle += " " + m.className; }
+ if (m.css) { css = (css ? css + ";" : "") + m.css; }
+ if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }
+ if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }
+ if (m.title && !title) { title = m.title; }
+ if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
+ { collapsed = sp; }
+ } else if (sp.from > pos && nextChange > sp.from) {
+ nextChange = sp.from;
+ }
+ }
+ if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
+ { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }
+
+ if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
+ { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }
+ if (collapsed && (collapsed.from || 0) == pos) {
+ buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
+ collapsed.marker, collapsed.from == null);
+ if (collapsed.to == null) { return }
+ if (collapsed.to == pos) { collapsed = false; }
+ }
+ }
+ if (pos >= len) { break }
+
+ var upto = Math.min(len, nextChange);
+ while (true) {
+ if (text) {
+ var end = pos + text.length;
+ if (!collapsed) {
+ var tokenText = end > upto ? text.slice(0, upto - pos) : text;
+ builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
+ spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);
+ }
+ if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
+ pos = end;
+ spanStartStyle = "";
+ }
+ text = allText.slice(at, at = styles[i++]);
+ style = interpretTokenStyle(styles[i++], builder.cm.options);
+ }
+ }
+}
+
+
+// These objects are used to represent the visible (currently drawn)
+// part of the document. A LineView may correspond to multiple
+// logical lines, if those are connected by collapsed ranges.
+function LineView(doc, line, lineN) {
+ // The starting line
+ this.line = line;
+ // Continuing lines, if any
+ this.rest = visualLineContinued(line);
+ // Number of logical lines in this visual line
+ this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
+ this.node = this.text = null;
+ this.hidden = lineIsHidden(doc, line);
+}
+
+// Create a range of LineView objects for the given lines.
+function buildViewArray(cm, from, to) {
+ var array = [], nextPos;
+ for (var pos = from; pos < to; pos = nextPos) {
+ var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
+ nextPos = pos + view.size;
+ array.push(view);
+ }
+ return array
+}
+
+var operationGroup = null;
+
+function pushOperation(op) {
+ if (operationGroup) {
+ operationGroup.ops.push(op);
+ } else {
+ op.ownsGroup = operationGroup = {
+ ops: [op],
+ delayedCallbacks: []
+ };
+ }
+}
+
+function fireCallbacksForOps(group) {
+ // Calls delayed callbacks and cursorActivity handlers until no
+ // new ones appear
+ var callbacks = group.delayedCallbacks, i = 0;
+ do {
+ for (; i < callbacks.length; i++)
+ { callbacks[i].call(null); }
+ for (var j = 0; j < group.ops.length; j++) {
+ var op = group.ops[j];
+ if (op.cursorActivityHandlers)
+ { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
+ { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }
+ }
+ } while (i < callbacks.length)
+}
+
+function finishOperation(op, endCb) {
+ var group = op.ownsGroup;
+ if (!group) { return }
+
+ try { fireCallbacksForOps(group); }
+ finally {
+ operationGroup = null;
+ endCb(group);
+ }
+}
+
+var orphanDelayedCallbacks = null;
+
+// Often, we want to signal events at a point where we are in the
+// middle of some work, but don't want the handler to start calling
+// other methods on the editor, which might be in an inconsistent
+// state or simply not expect any other events to happen.
+// signalLater looks whether there are any handlers, and schedules
+// them to be executed when the last operation ends, or, if no
+// operation is active, when a timeout fires.
+function signalLater(emitter, type /*, values...*/) {
+ var arr = getHandlers(emitter, type);
+ if (!arr.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2), list;
+ if (operationGroup) {
+ list = operationGroup.delayedCallbacks;
+ } else if (orphanDelayedCallbacks) {
+ list = orphanDelayedCallbacks;
+ } else {
+ list = orphanDelayedCallbacks = [];
+ setTimeout(fireOrphanDelayed, 0);
+ }
+ var loop = function ( i ) {
+ list.push(function () { return arr[i].apply(null, args); });
+ };
+
+ for (var i = 0; i < arr.length; ++i)
+ loop( i );
+}
+
+function fireOrphanDelayed() {
+ var delayed = orphanDelayedCallbacks;
+ orphanDelayedCallbacks = null;
+ for (var i = 0; i < delayed.length; ++i) { delayed[i](); }
+}
+
+// When an aspect of a line changes, a string is added to
+// lineView.changes. This updates the relevant part of the line's
+// DOM structure.
+function updateLineForChanges(cm, lineView, lineN, dims) {
+ for (var j = 0; j < lineView.changes.length; j++) {
+ var type = lineView.changes[j];
+ if (type == "text") { updateLineText(cm, lineView); }
+ else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }
+ else if (type == "class") { updateLineClasses(cm, lineView); }
+ else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }
+ }
+ lineView.changes = null;
+}
+
+// Lines with gutter elements, widgets or a background class need to
+// be wrapped, and have the extra elements added to the wrapper div
+function ensureLineWrapped(lineView) {
+ if (lineView.node == lineView.text) {
+ lineView.node = elt("div", null, null, "position: relative");
+ if (lineView.text.parentNode)
+ { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }
+ lineView.node.appendChild(lineView.text);
+ if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }
+ }
+ return lineView.node
+}
+
+function updateLineBackground(cm, lineView) {
+ var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
+ if (cls) { cls += " CodeMirror-linebackground"; }
+ if (lineView.background) {
+ if (cls) { lineView.background.className = cls; }
+ else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
+ } else if (cls) {
+ var wrap = ensureLineWrapped(lineView);
+ lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
+ cm.display.input.setUneditable(lineView.background);
+ }
+}
+
+// Wrapper around buildLineContent which will reuse the structure
+// in display.externalMeasured when possible.
+function getLineContent(cm, lineView) {
+ var ext = cm.display.externalMeasured;
+ if (ext && ext.line == lineView.line) {
+ cm.display.externalMeasured = null;
+ lineView.measure = ext.measure;
+ return ext.built
+ }
+ return buildLineContent(cm, lineView)
+}
+
+// Redraw the line's text. Interacts with the background and text
+// classes because the mode may output tokens that influence these
+// classes.
+function updateLineText(cm, lineView) {
+ var cls = lineView.text.className;
+ var built = getLineContent(cm, lineView);
+ if (lineView.text == lineView.node) { lineView.node = built.pre; }
+ lineView.text.parentNode.replaceChild(built.pre, lineView.text);
+ lineView.text = built.pre;
+ if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
+ lineView.bgClass = built.bgClass;
+ lineView.textClass = built.textClass;
+ updateLineClasses(cm, lineView);
+ } else if (cls) {
+ lineView.text.className = cls;
+ }
+}
+
+function updateLineClasses(cm, lineView) {
+ updateLineBackground(cm, lineView);
+ if (lineView.line.wrapClass)
+ { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }
+ else if (lineView.node != lineView.text)
+ { lineView.node.className = ""; }
+ var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
+ lineView.text.className = textClass || "";
+}
+
+function updateLineGutter(cm, lineView, lineN, dims) {
+ if (lineView.gutter) {
+ lineView.node.removeChild(lineView.gutter);
+ lineView.gutter = null;
+ }
+ if (lineView.gutterBackground) {
+ lineView.node.removeChild(lineView.gutterBackground);
+ lineView.gutterBackground = null;
+ }
+ if (lineView.line.gutterClass) {
+ var wrap = ensureLineWrapped(lineView);
+ lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
+ ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));
+ cm.display.input.setUneditable(lineView.gutterBackground);
+ wrap.insertBefore(lineView.gutterBackground, lineView.text);
+ }
+ var markers = lineView.line.gutterMarkers;
+ if (cm.options.lineNumbers || markers) {
+ var wrap$1 = ensureLineWrapped(lineView);
+ var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));
+ cm.display.input.setUneditable(gutterWrap);
+ wrap$1.insertBefore(gutterWrap, lineView.text);
+ if (lineView.line.gutterClass)
+ { gutterWrap.className += " " + lineView.line.gutterClass; }
+ if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
+ { lineView.lineNumber = gutterWrap.appendChild(
+ elt("div", lineNumberFor(cm.options, lineN),
+ "CodeMirror-linenumber CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }
+ if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) {
+ var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
+ if (found)
+ { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }
+ } }
+ }
+}
+
+function updateLineWidgets(cm, lineView, dims) {
+ if (lineView.alignable) { lineView.alignable = null; }
+ for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
+ next = node.nextSibling;
+ if (node.className == "CodeMirror-linewidget")
+ { lineView.node.removeChild(node); }
+ }
+ insertLineWidgets(cm, lineView, dims);
+}
+
+// Build a line's DOM representation from scratch
+function buildLineElement(cm, lineView, lineN, dims) {
+ var built = getLineContent(cm, lineView);
+ lineView.text = lineView.node = built.pre;
+ if (built.bgClass) { lineView.bgClass = built.bgClass; }
+ if (built.textClass) { lineView.textClass = built.textClass; }
+
+ updateLineClasses(cm, lineView);
+ updateLineGutter(cm, lineView, lineN, dims);
+ insertLineWidgets(cm, lineView, dims);
+ return lineView.node
+}
+
+// A lineView may contain multiple logical lines (when merged by
+// collapsed spans). The widgets for all of them need to be drawn.
+function insertLineWidgets(cm, lineView, dims) {
+ insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }
+}
+
+function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
+ if (!line.widgets) { return }
+ var wrap = ensureLineWrapped(lineView);
+ for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
+ var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
+ if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }
+ positionLineWidget(widget, node, lineView, dims);
+ cm.display.input.setUneditable(node);
+ if (allowAbove && widget.above)
+ { wrap.insertBefore(node, lineView.gutter || lineView.text); }
+ else
+ { wrap.appendChild(node); }
+ signalLater(widget, "redraw");
+ }
+}
+
+function positionLineWidget(widget, node, lineView, dims) {
+ if (widget.noHScroll) {
+ (lineView.alignable || (lineView.alignable = [])).push(node);
+ var width = dims.wrapperWidth;
+ node.style.left = dims.fixedPos + "px";
+ if (!widget.coverGutter) {
+ width -= dims.gutterTotalWidth;
+ node.style.paddingLeft = dims.gutterTotalWidth + "px";
+ }
+ node.style.width = width + "px";
+ }
+ if (widget.coverGutter) {
+ node.style.zIndex = 5;
+ node.style.position = "relative";
+ if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }
+ }
+}
+
+function widgetHeight(widget) {
+ if (widget.height != null) { return widget.height }
+ var cm = widget.doc.cm;
+ if (!cm) { return 0 }
+ if (!contains(document.body, widget.node)) {
+ var parentStyle = "position: relative;";
+ if (widget.coverGutter)
+ { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }
+ if (widget.noHScroll)
+ { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }
+ removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
+ }
+ return widget.height = widget.node.parentNode.offsetHeight
+}
+
+// Return true when the given mouse event happened in a widget
+function eventInWidget(display, e) {
+ for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
+ if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
+ (n.parentNode == display.sizer && n != display.mover))
+ { return true }
+ }
+}
+
+// POSITION MEASUREMENT
+
+function paddingTop(display) {return display.lineSpace.offsetTop}
+function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
+function paddingH(display) {
+ if (display.cachedPaddingH) { return display.cachedPaddingH }
+ var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
+ var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
+ var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
+ if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }
+ return data
+}
+
+function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
+function displayWidth(cm) {
+ return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
+}
+function displayHeight(cm) {
+ return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
+}
+
+// Ensure the lineView.wrapping.heights array is populated. This is
+// an array of bottom offsets for the lines that make up a drawn
+// line. When lineWrapping is on, there might be more than one
+// height.
+function ensureLineHeights(cm, lineView, rect) {
+ var wrapping = cm.options.lineWrapping;
+ var curWidth = wrapping && displayWidth(cm);
+ if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
+ var heights = lineView.measure.heights = [];
+ if (wrapping) {
+ lineView.measure.width = curWidth;
+ var rects = lineView.text.firstChild.getClientRects();
+ for (var i = 0; i < rects.length - 1; i++) {
+ var cur = rects[i], next = rects[i + 1];
+ if (Math.abs(cur.bottom - next.bottom) > 2)
+ { heights.push((cur.bottom + next.top) / 2 - rect.top); }
+ }
+ }
+ heights.push(rect.bottom - rect.top);
+ }
+}
+
+// Find a line map (mapping character offsets to text nodes) and a
+// measurement cache for the given line number. (A line view might
+// contain multiple lines when collapsed ranges are present.)
+function mapFromLineView(lineView, line, lineN) {
+ if (lineView.line == line)
+ { return {map: lineView.measure.map, cache: lineView.measure.cache} }
+ for (var i = 0; i < lineView.rest.length; i++)
+ { if (lineView.rest[i] == line)
+ { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
+ for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
+ { if (lineNo(lineView.rest[i$1]) > lineN)
+ { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
+}
+
+// Render a line into the hidden node display.externalMeasured. Used
+// when measurement is needed for a line that's not in the viewport.
+function updateExternalMeasurement(cm, line) {
+ line = visualLine(line);
+ var lineN = lineNo(line);
+ var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
+ view.lineN = lineN;
+ var built = view.built = buildLineContent(cm, view);
+ view.text = built.pre;
+ removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
+ return view
+}
+
+// Get a {top, bottom, left, right} box (in line-local coordinates)
+// for a given character.
+function measureChar(cm, line, ch, bias) {
+ return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
+}
+
+// Find a line view that corresponds to the given line number.
+function findViewForLine(cm, lineN) {
+ if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
+ { return cm.display.view[findViewIndex(cm, lineN)] }
+ var ext = cm.display.externalMeasured;
+ if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
+ { return ext }
+}
+
+// Measurement can be split in two steps, the set-up work that
+// applies to the whole line, and the measurement of the actual
+// character. Functions like coordsChar, that need to do a lot of
+// measurements in a row, can thus ensure that the set-up work is
+// only done once.
+function prepareMeasureForLine(cm, line) {
+ var lineN = lineNo(line);
+ var view = findViewForLine(cm, lineN);
+ if (view && !view.text) {
+ view = null;
+ } else if (view && view.changes) {
+ updateLineForChanges(cm, view, lineN, getDimensions(cm));
+ cm.curOp.forceUpdate = true;
+ }
+ if (!view)
+ { view = updateExternalMeasurement(cm, line); }
+
+ var info = mapFromLineView(view, line, lineN);
+ return {
+ line: line, view: view, rect: null,
+ map: info.map, cache: info.cache, before: info.before,
+ hasHeights: false
+ }
+}
+
+// Given a prepared measurement object, measures the position of an
+// actual character (or fetches it from the cache).
+function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
+ if (prepared.before) { ch = -1; }
+ var key = ch + (bias || ""), found;
+ if (prepared.cache.hasOwnProperty(key)) {
+ found = prepared.cache[key];
+ } else {
+ if (!prepared.rect)
+ { prepared.rect = prepared.view.text.getBoundingClientRect(); }
+ if (!prepared.hasHeights) {
+ ensureLineHeights(cm, prepared.view, prepared.rect);
+ prepared.hasHeights = true;
+ }
+ found = measureCharInner(cm, prepared, ch, bias);
+ if (!found.bogus) { prepared.cache[key] = found; }
+ }
+ return {left: found.left, right: found.right,
+ top: varHeight ? found.rtop : found.top,
+ bottom: varHeight ? found.rbottom : found.bottom}
+}
+
+var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
+
+function nodeAndOffsetInLineMap(map$$1, ch, bias) {
+ var node, start, end, collapse, mStart, mEnd;
+ // First, search the line map for the text node corresponding to,
+ // or closest to, the target character.
+ for (var i = 0; i < map$$1.length; i += 3) {
+ mStart = map$$1[i];
+ mEnd = map$$1[i + 1];
+ if (ch < mStart) {
+ start = 0; end = 1;
+ collapse = "left";
+ } else if (ch < mEnd) {
+ start = ch - mStart;
+ end = start + 1;
+ } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {
+ end = mEnd - mStart;
+ start = end - 1;
+ if (ch >= mEnd) { collapse = "right"; }
+ }
+ if (start != null) {
+ node = map$$1[i + 2];
+ if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
+ { collapse = bias; }
+ if (bias == "left" && start == 0)
+ { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {
+ node = map$$1[(i -= 3) + 2];
+ collapse = "left";
+ } }
+ if (bias == "right" && start == mEnd - mStart)
+ { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {
+ node = map$$1[(i += 3) + 2];
+ collapse = "right";
+ } }
+ break
+ }
+ }
+ return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
+}
+
+function getUsefulRect(rects, bias) {
+ var rect = nullRect;
+ if (bias == "left") { for (var i = 0; i < rects.length; i++) {
+ if ((rect = rects[i]).left != rect.right) { break }
+ } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
+ if ((rect = rects[i$1]).left != rect.right) { break }
+ } }
+ return rect
+}
+
+function measureCharInner(cm, prepared, ch, bias) {
+ var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
+ var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
+
+ var rect;
+ if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
+ for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
+ while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }
+ while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }
+ if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
+ { rect = node.parentNode.getBoundingClientRect(); }
+ else
+ { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }
+ if (rect.left || rect.right || start == 0) { break }
+ end = start;
+ start = start - 1;
+ collapse = "right";
+ }
+ if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }
+ } else { // If it is a widget, simply get the box for the whole widget.
+ if (start > 0) { collapse = bias = "right"; }
+ var rects;
+ if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
+ { rect = rects[bias == "right" ? rects.length - 1 : 0]; }
+ else
+ { rect = node.getBoundingClientRect(); }
+ }
+ if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
+ var rSpan = node.parentNode.getClientRects()[0];
+ if (rSpan)
+ { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }
+ else
+ { rect = nullRect; }
+ }
+
+ var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
+ var mid = (rtop + rbot) / 2;
+ var heights = prepared.view.measure.heights;
+ var i = 0;
+ for (; i < heights.length - 1; i++)
+ { if (mid < heights[i]) { break } }
+ var top = i ? heights[i - 1] : 0, bot = heights[i];
+ var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
+ right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
+ top: top, bottom: bot};
+ if (!rect.left && !rect.right) { result.bogus = true; }
+ if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
+
+ return result
+}
+
+// Work around problem with bounding client rects on ranges being
+// returned incorrectly when zoomed on IE10 and below.
+function maybeUpdateRectForZooming(measure, rect) {
+ if (!window.screen || screen.logicalXDPI == null ||
+ screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
+ { return rect }
+ var scaleX = screen.logicalXDPI / screen.deviceXDPI;
+ var scaleY = screen.logicalYDPI / screen.deviceYDPI;
+ return {left: rect.left * scaleX, right: rect.right * scaleX,
+ top: rect.top * scaleY, bottom: rect.bottom * scaleY}
+}
+
+function clearLineMeasurementCacheFor(lineView) {
+ if (lineView.measure) {
+ lineView.measure.cache = {};
+ lineView.measure.heights = null;
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { lineView.measure.caches[i] = {}; } }
+ }
+}
+
+function clearLineMeasurementCache(cm) {
+ cm.display.externalMeasure = null;
+ removeChildren(cm.display.lineMeasure);
+ for (var i = 0; i < cm.display.view.length; i++)
+ { clearLineMeasurementCacheFor(cm.display.view[i]); }
+}
+
+function clearCaches(cm) {
+ clearLineMeasurementCache(cm);
+ cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
+ if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }
+ cm.display.lineNumChars = null;
+}
+
+function pageScrollX() {
+ // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
+ // which causes page_Offset and bounding client rects to use
+ // different reference viewports and invalidate our calculations.
+ if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }
+ return window.pageXOffset || (document.documentElement || document.body).scrollLeft
+}
+function pageScrollY() {
+ if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }
+ return window.pageYOffset || (document.documentElement || document.body).scrollTop
+}
+
+function widgetTopHeight(lineObj) {
+ var height = 0;
+ if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)
+ { height += widgetHeight(lineObj.widgets[i]); } } }
+ return height
+}
+
+// Converts a {top, bottom, left, right} box from line-local
+// coordinates into another coordinate system. Context may be one of
+// "line", "div" (display.lineDiv), "local"./null (editor), "window",
+// or "page".
+function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
+ if (!includeWidgets) {
+ var height = widgetTopHeight(lineObj);
+ rect.top += height; rect.bottom += height;
+ }
+ if (context == "line") { return rect }
+ if (!context) { context = "local"; }
+ var yOff = heightAtLine(lineObj);
+ if (context == "local") { yOff += paddingTop(cm.display); }
+ else { yOff -= cm.display.viewOffset; }
+ if (context == "page" || context == "window") {
+ var lOff = cm.display.lineSpace.getBoundingClientRect();
+ yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
+ var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
+ rect.left += xOff; rect.right += xOff;
+ }
+ rect.top += yOff; rect.bottom += yOff;
+ return rect
+}
+
+// Coverts a box from "div" coords to another coordinate system.
+// Context may be "window", "page", "div", or "local"./null.
+function fromCoordSystem(cm, coords, context) {
+ if (context == "div") { return coords }
+ var left = coords.left, top = coords.top;
+ // First move into "page" coordinate system
+ if (context == "page") {
+ left -= pageScrollX();
+ top -= pageScrollY();
+ } else if (context == "local" || !context) {
+ var localBox = cm.display.sizer.getBoundingClientRect();
+ left += localBox.left;
+ top += localBox.top;
+ }
+
+ var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
+ return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
+}
+
+function charCoords(cm, pos, context, lineObj, bias) {
+ if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }
+ return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
+}
+
+// Returns a box for a given cursor position, which may have an
+// 'other' property containing the position of the secondary cursor
+// on a bidi boundary.
+// A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
+// and after `char - 1` in writing order of `char - 1`
+// A cursor Pos(line, char, "after") is on the same visual line as `char`
+// and before `char` in writing order of `char`
+// Examples (upper-case letters are RTL, lower-case are LTR):
+// Pos(0, 1, ...)
+// before after
+// ab a|b a|b
+// aB a|B aB|
+// Ab |Ab A|b
+// AB B|A B|A
+// Every position after the last character on a line is considered to stick
+// to the last character on the line.
+function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
+ lineObj = lineObj || getLine(cm.doc, pos.line);
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+ function get(ch, right) {
+ var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
+ if (right) { m.left = m.right; } else { m.right = m.left; }
+ return intoCoordSystem(cm, lineObj, m, context)
+ }
+ var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
+ if (ch >= lineObj.text.length) {
+ ch = lineObj.text.length;
+ sticky = "before";
+ } else if (ch <= 0) {
+ ch = 0;
+ sticky = "after";
+ }
+ if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }
+
+ function getBidi(ch, partPos, invert) {
+ var part = order[partPos], right = part.level == 1;
+ return get(invert ? ch - 1 : ch, right != invert)
+ }
+ var partPos = getBidiPartAt(order, ch, sticky);
+ var other = bidiOther;
+ var val = getBidi(ch, partPos, sticky == "before");
+ if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }
+ return val
+}
+
+// Used to cheaply estimate the coordinates for a position. Used for
+// intermediate scroll updates.
+function estimateCoords(cm, pos) {
+ var left = 0;
+ pos = clipPos(cm.doc, pos);
+ if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }
+ var lineObj = getLine(cm.doc, pos.line);
+ var top = heightAtLine(lineObj) + paddingTop(cm.display);
+ return {left: left, right: left, top: top, bottom: top + lineObj.height}
+}
+
+// Positions returned by coordsChar contain some extra information.
+// xRel is the relative x position of the input coordinates compared
+// to the found position (so xRel > 0 means the coordinates are to
+// the right of the character position, for example). When outside
+// is true, that means the coordinates lie outside the line's
+// vertical range.
+function PosWithInfo(line, ch, sticky, outside, xRel) {
+ var pos = Pos(line, ch, sticky);
+ pos.xRel = xRel;
+ if (outside) { pos.outside = true; }
+ return pos
+}
+
+// Compute the character position closest to the given coordinates.
+// Input must be lineSpace-local ("div" coordinate system).
+function coordsChar(cm, x, y) {
+ var doc = cm.doc;
+ y += cm.display.viewOffset;
+ if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }
+ var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
+ if (lineN > last)
+ { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }
+ if (x < 0) { x = 0; }
+
+ var lineObj = getLine(doc, lineN);
+ for (;;) {
+ var found = coordsCharInner(cm, lineObj, lineN, x, y);
+ var merged = collapsedSpanAtEnd(lineObj);
+ var mergedPos = merged && merged.find(0, true);
+ if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
+ { lineN = lineNo(lineObj = mergedPos.to.line); }
+ else
+ { return found }
+ }
+}
+
+function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
+ y -= widgetTopHeight(lineObj);
+ var end = lineObj.text.length;
+ var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);
+ end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);
+ return {begin: begin, end: end}
+}
+
+function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+ var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
+ return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
+}
+
+// Returns true if the given side of a box is after the given
+// coordinates, in top-to-bottom, left-to-right order.
+function boxIsAfter(box, x, y, left) {
+ return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
+}
+
+function coordsCharInner(cm, lineObj, lineNo$$1, x, y) {
+ // Move y into line-local coordinate space
+ y -= heightAtLine(lineObj);
+ var preparedMeasure = prepareMeasureForLine(cm, lineObj);
+ // When directly calling `measureCharPrepared`, we have to adjust
+ // for the widgets at this line.
+ var widgetHeight$$1 = widgetTopHeight(lineObj);
+ var begin = 0, end = lineObj.text.length, ltr = true;
+
+ var order = getOrder(lineObj, cm.doc.direction);
+ // If the line isn't plain left-to-right text, first figure out
+ // which bidi section the coordinates fall into.
+ if (order) {
+ var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
+ (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);
+ ltr = part.level != 1;
+ // The awkward -1 offsets are needed because findFirst (called
+ // on these below) will treat its first bound as inclusive,
+ // second as exclusive, but we want to actually address the
+ // characters in the part's range
+ begin = ltr ? part.from : part.to - 1;
+ end = ltr ? part.to : part.from - 1;
+ }
+
+ // A binary search to find the first character whose bounding box
+ // starts after the coordinates. If we run across any whose box wrap
+ // the coordinates, store that.
+ var chAround = null, boxAround = null;
+ var ch = findFirst(function (ch) {
+ var box = measureCharPrepared(cm, preparedMeasure, ch);
+ box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;
+ if (!boxIsAfter(box, x, y, false)) { return false }
+ if (box.top <= y && box.left <= x) {
+ chAround = ch;
+ boxAround = box;
+ }
+ return true
+ }, begin, end);
+
+ var baseX, sticky, outside = false;
+ // If a box around the coordinates was found, use that
+ if (boxAround) {
+ // Distinguish coordinates nearer to the left or right side of the box
+ var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
+ ch = chAround + (atStart ? 0 : 1);
+ sticky = atStart ? "after" : "before";
+ baseX = atLeft ? boxAround.left : boxAround.right;
+ } else {
+ // (Adjust for extended bound, if necessary.)
+ if (!ltr && (ch == end || ch == begin)) { ch++; }
+ // To determine which side to associate with, get the box to the
+ // left of the character and compare it's vertical position to the
+ // coordinates
+ sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
+ (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?
+ "after" : "before";
+ // Now get accurate coordinates for this place, in order to get a
+ // base X position
+ var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure);
+ baseX = coords.left;
+ outside = y < coords.top || y >= coords.bottom;
+ }
+
+ ch = skipExtendingChars(lineObj.text, ch, 1);
+ return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)
+}
+
+function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {
+ // Bidi parts are sorted left-to-right, and in a non-line-wrapping
+ // situation, we can take this ordering to correspond to the visual
+ // ordering. This finds the first part whose end is after the given
+ // coordinates.
+ var index = findFirst(function (i) {
+ var part = order[i], ltr = part.level != 1;
+ return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"),
+ "line", lineObj, preparedMeasure), x, y, true)
+ }, 0, order.length - 1);
+ var part = order[index];
+ // If this isn't the first part, the part's start is also after
+ // the coordinates, and the coordinates aren't on the same line as
+ // that start, move one part back.
+ if (index > 0) {
+ var ltr = part.level != 1;
+ var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"),
+ "line", lineObj, preparedMeasure);
+ if (boxIsAfter(start, x, y, true) && start.top > y)
+ { part = order[index - 1]; }
+ }
+ return part
+}
+
+function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
+ // In a wrapped line, rtl text on wrapping boundaries can do things
+ // that don't correspond to the ordering in our `order` array at
+ // all, so a binary search doesn't work, and we want to return a
+ // part that only spans one line so that the binary search in
+ // coordsCharInner is safe. As such, we first find the extent of the
+ // wrapped line, and then do a flat search in which we discard any
+ // spans that aren't on the line.
+ var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
+ var begin = ref.begin;
+ var end = ref.end;
+ var part = null, closestDist = null;
+ for (var i = 0; i < order.length; i++) {
+ var p = order[i];
+ if (p.from >= end || p.to <= begin) { continue }
+ var ltr = p.level != 1;
+ var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
+ // Weigh against spans ending before this, so that they are only
+ // picked if nothing ends after
+ var dist = endX < x ? x - endX + 1e9 : endX - x;
+ if (!part || closestDist > dist) {
+ part = p;
+ closestDist = dist;
+ }
+ }
+ if (!part) { part = order[order.length - 1]; }
+ // Clip the part to the wrapped line.
+ if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }
+ if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }
+ return part
+}
+
+var measureText;
+// Compute the default text height.
+function textHeight(display) {
+ if (display.cachedTextHeight != null) { return display.cachedTextHeight }
+ if (measureText == null) {
+ measureText = elt("pre");
+ // Measure a bunch of lines, for browsers that compute
+ // fractional heights.
+ for (var i = 0; i < 49; ++i) {
+ measureText.appendChild(document.createTextNode("x"));
+ measureText.appendChild(elt("br"));
+ }
+ measureText.appendChild(document.createTextNode("x"));
+ }
+ removeChildrenAndAdd(display.measure, measureText);
+ var height = measureText.offsetHeight / 50;
+ if (height > 3) { display.cachedTextHeight = height; }
+ removeChildren(display.measure);
+ return height || 1
+}
+
+// Compute the default character width.
+function charWidth(display) {
+ if (display.cachedCharWidth != null) { return display.cachedCharWidth }
+ var anchor = elt("span", "xxxxxxxxxx");
+ var pre = elt("pre", [anchor]);
+ removeChildrenAndAdd(display.measure, pre);
+ var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
+ if (width > 2) { display.cachedCharWidth = width; }
+ return width || 10
+}
+
+// Do a bulk-read of the DOM positions and sizes needed to draw the
+// view, so that we don't interleave reading and writing to the DOM.
+function getDimensions(cm) {
+ var d = cm.display, left = {}, width = {};
+ var gutterLeft = d.gutters.clientLeft;
+ for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
+ left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
+ width[cm.options.gutters[i]] = n.clientWidth;
+ }
+ return {fixedPos: compensateForHScroll(d),
+ gutterTotalWidth: d.gutters.offsetWidth,
+ gutterLeft: left,
+ gutterWidth: width,
+ wrapperWidth: d.wrapper.clientWidth}
+}
+
+// Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
+// but using getBoundingClientRect to get a sub-pixel-accurate
+// result.
+function compensateForHScroll(display) {
+ return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
+}
+
+// Returns a function that estimates the height of a line, to use as
+// first approximation until the line becomes visible (and is thus
+// properly measurable).
+function estimateHeight(cm) {
+ var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
+ var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
+ return function (line) {
+ if (lineIsHidden(cm.doc, line)) { return 0 }
+
+ var widgetsHeight = 0;
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
+ if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }
+ } }
+
+ if (wrapping)
+ { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
+ else
+ { return widgetsHeight + th }
+ }
+}
+
+function estimateLineHeights(cm) {
+ var doc = cm.doc, est = estimateHeight(cm);
+ doc.iter(function (line) {
+ var estHeight = est(line);
+ if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+ });
+}
+
+// Given a mouse event, find the corresponding position. If liberal
+// is false, it checks whether a gutter or scrollbar was clicked,
+// and returns null if it was. forRect is used by rectangular
+// selections, and tries to estimate a character position even for
+// coordinates beyond the right of the text.
+function posFromMouse(cm, e, liberal, forRect) {
+ var display = cm.display;
+ if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }
+
+ var x, y, space = display.lineSpace.getBoundingClientRect();
+ // Fails unpredictably on IE[67] when mouse is dragged around quickly.
+ try { x = e.clientX - space.left; y = e.clientY - space.top; }
+ catch (e) { return null }
+ var coords = coordsChar(cm, x, y), line;
+ if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
+ var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
+ coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
+ }
+ return coords
+}
+
+// Find the view element corresponding to a given line. Return null
+// when the line isn't visible.
+function findViewIndex(cm, n) {
+ if (n >= cm.display.viewTo) { return null }
+ n -= cm.display.viewFrom;
+ if (n < 0) { return null }
+ var view = cm.display.view;
+ for (var i = 0; i < view.length; i++) {
+ n -= view[i].size;
+ if (n < 0) { return i }
+ }
+}
+
+function updateSelection(cm) {
+ cm.display.input.showSelection(cm.display.input.prepareSelection());
+}
+
+function prepareSelection(cm, primary) {
+ if ( primary === void 0 ) primary = true;
+
+ var doc = cm.doc, result = {};
+ var curFragment = result.cursors = document.createDocumentFragment();
+ var selFragment = result.selection = document.createDocumentFragment();
+
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ if (!primary && i == doc.sel.primIndex) { continue }
+ var range$$1 = doc.sel.ranges[i];
+ if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }
+ var collapsed = range$$1.empty();
+ if (collapsed || cm.options.showCursorWhenSelecting)
+ { drawSelectionCursor(cm, range$$1.head, curFragment); }
+ if (!collapsed)
+ { drawSelectionRange(cm, range$$1, selFragment); }
+ }
+ return result
+}
+
+// Draws a cursor for the given range
+function drawSelectionCursor(cm, head, output) {
+ var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
+
+ var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
+ cursor.style.left = pos.left + "px";
+ cursor.style.top = pos.top + "px";
+ cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
+
+ if (pos.other) {
+ // Secondary cursor, shown when on a 'jump' in bi-directional text
+ var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
+ otherCursor.style.display = "";
+ otherCursor.style.left = pos.other.left + "px";
+ otherCursor.style.top = pos.other.top + "px";
+ otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
+ }
+}
+
+function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }
+
+// Draws the given range as a highlighted selection
+function drawSelectionRange(cm, range$$1, output) {
+ var display = cm.display, doc = cm.doc;
+ var fragment = document.createDocumentFragment();
+ var padding = paddingH(cm.display), leftSide = padding.left;
+ var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
+
+ function add(left, top, width, bottom) {
+ if (top < 0) { top = 0; }
+ top = Math.round(top);
+ bottom = Math.round(bottom);
+ fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px")));
+ }
+
+ function drawForLine(line, fromArg, toArg) {
+ var lineObj = getLine(doc, line);
+ var lineLen = lineObj.text.length;
+ var start, end;
+ function coords(ch, bias) {
+ return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
+ }
+
+ var order = getOrder(lineObj, doc.direction);
+ iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
+ var fromPos = coords(from, dir == "ltr" ? "left" : "right");
+ var toPos = coords(to - 1, dir == "ltr" ? "right" : "left");
+ if (dir == "ltr") {
+ var fromLeft = fromArg == null && from == 0 ? leftSide : fromPos.left;
+ var toRight = toArg == null && to == lineLen ? rightSide : toPos.right;
+ if (toPos.top - fromPos.top <= 3) { // Single line
+ add(fromLeft, toPos.top, toRight - fromLeft, toPos.bottom);
+ } else { // Multiple lines
+ add(fromLeft, fromPos.top, null, fromPos.bottom);
+ if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
+ add(leftSide, toPos.top, toPos.right, toPos.bottom);
+ }
+ } else if (from < to) { // RTL
+ var fromRight = fromArg == null && from == 0 ? rightSide : fromPos.right;
+ var toLeft = toArg == null && to == lineLen ? leftSide : toPos.left;
+ if (toPos.top - fromPos.top <= 3) { // Single line
+ add(toLeft, toPos.top, fromRight - toLeft, toPos.bottom);
+ } else { // Multiple lines
+ var topLeft = leftSide;
+ if (i) {
+ var topEnd = wrappedLineExtentChar(cm, lineObj, null, from).end;
+ // The coordinates returned for an RTL wrapped space tend to
+ // be complete bogus, so try to skip that here.
+ topLeft = coords(topEnd - (/\s/.test(lineObj.text.charAt(topEnd - 1)) ? 2 : 1), "left").left;
+ }
+ add(topLeft, fromPos.top, fromRight - topLeft, fromPos.bottom);
+ if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
+ var botWidth = null;
+ if (i < order.length - 1 || true) {
+ var botStart = wrappedLineExtentChar(cm, lineObj, null, to).begin;
+ botWidth = coords(botStart, "right").right - toLeft;
+ }
+ add(toLeft, toPos.top, botWidth, toPos.bottom);
+ }
+ }
+
+ if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }
+ if (cmpCoords(toPos, start) < 0) { start = toPos; }
+ if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }
+ if (cmpCoords(toPos, end) < 0) { end = toPos; }
+ });
+ return {start: start, end: end}
+ }
+
+ var sFrom = range$$1.from(), sTo = range$$1.to();
+ if (sFrom.line == sTo.line) {
+ drawForLine(sFrom.line, sFrom.ch, sTo.ch);
+ } else {
+ var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
+ var singleVLine = visualLine(fromLine) == visualLine(toLine);
+ var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
+ var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
+ if (singleVLine) {
+ if (leftEnd.top < rightStart.top - 2) {
+ add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
+ add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
+ } else {
+ add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
+ }
+ }
+ if (leftEnd.bottom < rightStart.top)
+ { add(leftSide, leftEnd.bottom, null, rightStart.top); }
+ }
+
+ output.appendChild(fragment);
+}
+
+// Cursor-blinking
+function restartBlink(cm) {
+ if (!cm.state.focused) { return }
+ var display = cm.display;
+ clearInterval(display.blinker);
+ var on = true;
+ display.cursorDiv.style.visibility = "";
+ if (cm.options.cursorBlinkRate > 0)
+ { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },
+ cm.options.cursorBlinkRate); }
+ else if (cm.options.cursorBlinkRate < 0)
+ { display.cursorDiv.style.visibility = "hidden"; }
+}
+
+function ensureFocus(cm) {
+ if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
+}
+
+function delayBlurEvent(cm) {
+ cm.state.delayingBlurEvent = true;
+ setTimeout(function () { if (cm.state.delayingBlurEvent) {
+ cm.state.delayingBlurEvent = false;
+ onBlur(cm);
+ } }, 100);
+}
+
+function onFocus(cm, e) {
+ if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }
+
+ if (cm.options.readOnly == "nocursor") { return }
+ if (!cm.state.focused) {
+ signal(cm, "focus", cm, e);
+ cm.state.focused = true;
+ addClass(cm.display.wrapper, "CodeMirror-focused");
+ // This test prevents this from firing when a context
+ // menu is closed (since the input reset would kill the
+ // select-all detection hack)
+ if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
+ cm.display.input.reset();
+ if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730
+ }
+ cm.display.input.receivedFocus();
+ }
+ restartBlink(cm);
+}
+function onBlur(cm, e) {
+ if (cm.state.delayingBlurEvent) { return }
+
+ if (cm.state.focused) {
+ signal(cm, "blur", cm, e);
+ cm.state.focused = false;
+ rmClass(cm.display.wrapper, "CodeMirror-focused");
+ }
+ clearInterval(cm.display.blinker);
+ setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);
+}
+
+// Read the actual heights of the rendered lines, and update their
+// stored heights to match.
+function updateHeightsInViewport(cm) {
+ var display = cm.display;
+ var prevBottom = display.lineDiv.offsetTop;
+ for (var i = 0; i < display.view.length; i++) {
+ var cur = display.view[i], height = (void 0);
+ if (cur.hidden) { continue }
+ if (ie && ie_version < 8) {
+ var bot = cur.node.offsetTop + cur.node.offsetHeight;
+ height = bot - prevBottom;
+ prevBottom = bot;
+ } else {
+ var box = cur.node.getBoundingClientRect();
+ height = box.bottom - box.top;
+ }
+ var diff = cur.line.height - height;
+ if (height < 2) { height = textHeight(display); }
+ if (diff > .005 || diff < -.005) {
+ updateLineHeight(cur.line, height);
+ updateWidgetHeight(cur.line);
+ if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
+ { updateWidgetHeight(cur.rest[j]); } }
+ }
+ }
+}
+
+// Read and store the height of line widgets associated with the
+// given line.
+function updateWidgetHeight(line) {
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i)
+ { line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; } }
+}
+
+// Compute the lines that are visible in a given viewport (defaults
+// the the current scroll position). viewport may contain top,
+// height, and ensure (see op.scrollToPos) properties.
+function visibleLines(display, doc, viewport) {
+ var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
+ top = Math.floor(top - paddingTop(display));
+ var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
+
+ var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
+ // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
+ // forces those lines into the viewport (if possible).
+ if (viewport && viewport.ensure) {
+ var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
+ if (ensureFrom < from) {
+ from = ensureFrom;
+ to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
+ } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
+ from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
+ to = ensureTo;
+ }
+ }
+ return {from: from, to: Math.max(to, from + 1)}
+}
+
+// Re-align line numbers and gutter marks to compensate for
+// horizontal scrolling.
+function alignHorizontally(cm) {
+ var display = cm.display, view = display.view;
+ if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
+ var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
+ var gutterW = display.gutters.offsetWidth, left = comp + "px";
+ for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
+ if (cm.options.fixedGutter) {
+ if (view[i].gutter)
+ { view[i].gutter.style.left = left; }
+ if (view[i].gutterBackground)
+ { view[i].gutterBackground.style.left = left; }
+ }
+ var align = view[i].alignable;
+ if (align) { for (var j = 0; j < align.length; j++)
+ { align[j].style.left = left; } }
+ } }
+ if (cm.options.fixedGutter)
+ { display.gutters.style.left = (comp + gutterW) + "px"; }
+}
+
+// Used to ensure that the line number gutter is still the right
+// size for the current document size. Returns true when an update
+// is needed.
+function maybeUpdateLineNumberWidth(cm) {
+ if (!cm.options.lineNumbers) { return false }
+ var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
+ if (last.length != display.lineNumChars) {
+ var test = display.measure.appendChild(elt("div", [elt("div", last)],
+ "CodeMirror-linenumber CodeMirror-gutter-elt"));
+ var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
+ display.lineGutter.style.width = "";
+ display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
+ display.lineNumWidth = display.lineNumInnerWidth + padding;
+ display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
+ display.lineGutter.style.width = display.lineNumWidth + "px";
+ updateGutterSpace(cm);
+ return true
+ }
+ return false
+}
+
+// SCROLLING THINGS INTO VIEW
+
+// If an editor sits on the top or bottom of the window, partially
+// scrolled out of view, this ensures that the cursor is visible.
+function maybeScrollWindow(cm, rect) {
+ if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }
+
+ var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
+ if (rect.top + box.top < 0) { doScroll = true; }
+ else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }
+ if (doScroll != null && !phantom) {
+ var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));
+ cm.display.lineSpace.appendChild(scrollNode);
+ scrollNode.scrollIntoView(doScroll);
+ cm.display.lineSpace.removeChild(scrollNode);
+ }
+}
+
+// Scroll a given position into view (immediately), verifying that
+// it actually became visible (as line heights are accurately
+// measured, the position of something may 'drift' during drawing).
+function scrollPosIntoView(cm, pos, end, margin) {
+ if (margin == null) { margin = 0; }
+ var rect;
+ if (!cm.options.lineWrapping && pos == end) {
+ // Set pos and end to the cursor positions around the character pos sticks to
+ // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
+ // If pos == Pos(_, 0, "before"), pos and end are unchanged
+ pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
+ end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
+ }
+ for (var limit = 0; limit < 5; limit++) {
+ var changed = false;
+ var coords = cursorCoords(cm, pos);
+ var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
+ rect = {left: Math.min(coords.left, endCoords.left),
+ top: Math.min(coords.top, endCoords.top) - margin,
+ right: Math.max(coords.left, endCoords.left),
+ bottom: Math.max(coords.bottom, endCoords.bottom) + margin};
+ var scrollPos = calculateScrollPos(cm, rect);
+ var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
+ if (scrollPos.scrollTop != null) {
+ updateScrollTop(cm, scrollPos.scrollTop);
+ if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }
+ }
+ if (scrollPos.scrollLeft != null) {
+ setScrollLeft(cm, scrollPos.scrollLeft);
+ if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }
+ }
+ if (!changed) { break }
+ }
+ return rect
+}
+
+// Scroll a given set of coordinates into view (immediately).
+function scrollIntoView(cm, rect) {
+ var scrollPos = calculateScrollPos(cm, rect);
+ if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }
+ if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }
+}
+
+// Calculate a new scroll position needed to scroll the given
+// rectangle into view. Returns an object with scrollTop and
+// scrollLeft properties. When these are undefined, the
+// vertical/horizontal position does not need to be adjusted.
+function calculateScrollPos(cm, rect) {
+ var display = cm.display, snapMargin = textHeight(cm.display);
+ if (rect.top < 0) { rect.top = 0; }
+ var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
+ var screen = displayHeight(cm), result = {};
+ if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }
+ var docBottom = cm.doc.height + paddingVert(display);
+ var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
+ if (rect.top < screentop) {
+ result.scrollTop = atTop ? 0 : rect.top;
+ } else if (rect.bottom > screentop + screen) {
+ var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);
+ if (newTop != screentop) { result.scrollTop = newTop; }
+ }
+
+ var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
+ var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
+ var tooWide = rect.right - rect.left > screenw;
+ if (tooWide) { rect.right = rect.left + screenw; }
+ if (rect.left < 10)
+ { result.scrollLeft = 0; }
+ else if (rect.left < screenleft)
+ { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }
+ else if (rect.right > screenw + screenleft - 3)
+ { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }
+ return result
+}
+
+// Store a relative adjustment to the scroll position in the current
+// operation (to be applied when the operation finishes).
+function addToScrollTop(cm, top) {
+ if (top == null) { return }
+ resolveScrollToPos(cm);
+ cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
+}
+
+// Make sure that at the end of the operation the current cursor is
+// shown.
+function ensureCursorVisible(cm) {
+ resolveScrollToPos(cm);
+ var cur = cm.getCursor();
+ cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
+}
+
+function scrollToCoords(cm, x, y) {
+ if (x != null || y != null) { resolveScrollToPos(cm); }
+ if (x != null) { cm.curOp.scrollLeft = x; }
+ if (y != null) { cm.curOp.scrollTop = y; }
+}
+
+function scrollToRange(cm, range$$1) {
+ resolveScrollToPos(cm);
+ cm.curOp.scrollToPos = range$$1;
+}
+
+// When an operation has its scrollToPos property set, and another
+// scroll action is applied before the end of the operation, this
+// 'simulates' scrolling that position into view in a cheap way, so
+// that the effect of intermediate scroll commands is not ignored.
+function resolveScrollToPos(cm) {
+ var range$$1 = cm.curOp.scrollToPos;
+ if (range$$1) {
+ cm.curOp.scrollToPos = null;
+ var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);
+ scrollToCoordsRange(cm, from, to, range$$1.margin);
+ }
+}
+
+function scrollToCoordsRange(cm, from, to, margin) {
+ var sPos = calculateScrollPos(cm, {
+ left: Math.min(from.left, to.left),
+ top: Math.min(from.top, to.top) - margin,
+ right: Math.max(from.right, to.right),
+ bottom: Math.max(from.bottom, to.bottom) + margin
+ });
+ scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
+}
+
+// Sync the scrollable area and scrollbars, ensure the viewport
+// covers the visible area.
+function updateScrollTop(cm, val) {
+ if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
+ if (!gecko) { updateDisplaySimple(cm, {top: val}); }
+ setScrollTop(cm, val, true);
+ if (gecko) { updateDisplaySimple(cm); }
+ startWorker(cm, 100);
+}
+
+function setScrollTop(cm, val, forceScroll) {
+ val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);
+ if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
+ cm.doc.scrollTop = val;
+ cm.display.scrollbars.setScrollTop(val);
+ if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }
+}
+
+// Sync scroller and scrollbar, ensure the gutter elements are
+// aligned.
+function setScrollLeft(cm, val, isScroller, forceScroll) {
+ val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
+ if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
+ cm.doc.scrollLeft = val;
+ alignHorizontally(cm);
+ if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }
+ cm.display.scrollbars.setScrollLeft(val);
+}
+
+// SCROLLBARS
+
+// Prepare DOM reads needed to update the scrollbars. Done in one
+// shot to minimize update/measure roundtrips.
+function measureForScrollbars(cm) {
+ var d = cm.display, gutterW = d.gutters.offsetWidth;
+ var docH = Math.round(cm.doc.height + paddingVert(cm.display));
+ return {
+ clientHeight: d.scroller.clientHeight,
+ viewHeight: d.wrapper.clientHeight,
+ scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
+ viewWidth: d.wrapper.clientWidth,
+ barLeft: cm.options.fixedGutter ? gutterW : 0,
+ docHeight: docH,
+ scrollHeight: docH + scrollGap(cm) + d.barHeight,
+ nativeBarWidth: d.nativeBarWidth,
+ gutterWidth: gutterW
+ }
+}
+
+var NativeScrollbars = function(place, scroll, cm) {
+ this.cm = cm;
+ var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
+ var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
+ place(vert); place(horiz);
+
+ on(vert, "scroll", function () {
+ if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }
+ });
+ on(horiz, "scroll", function () {
+ if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }
+ });
+
+ this.checkedZeroWidth = false;
+ // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
+ if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }
+};
+
+NativeScrollbars.prototype.update = function (measure) {
+ var needsH = measure.scrollWidth > measure.clientWidth + 1;
+ var needsV = measure.scrollHeight > measure.clientHeight + 1;
+ var sWidth = measure.nativeBarWidth;
+
+ if (needsV) {
+ this.vert.style.display = "block";
+ this.vert.style.bottom = needsH ? sWidth + "px" : "0";
+ var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
+ // A bug in IE8 can cause this value to be negative, so guard it.
+ this.vert.firstChild.style.height =
+ Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
+ } else {
+ this.vert.style.display = "";
+ this.vert.firstChild.style.height = "0";
+ }
+
+ if (needsH) {
+ this.horiz.style.display = "block";
+ this.horiz.style.right = needsV ? sWidth + "px" : "0";
+ this.horiz.style.left = measure.barLeft + "px";
+ var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
+ this.horiz.firstChild.style.width =
+ Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
+ } else {
+ this.horiz.style.display = "";
+ this.horiz.firstChild.style.width = "0";
+ }
+
+ if (!this.checkedZeroWidth && measure.clientHeight > 0) {
+ if (sWidth == 0) { this.zeroWidthHack(); }
+ this.checkedZeroWidth = true;
+ }
+
+ return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
+};
+
+NativeScrollbars.prototype.setScrollLeft = function (pos) {
+ if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }
+ if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }
+};
+
+NativeScrollbars.prototype.setScrollTop = function (pos) {
+ if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }
+ if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }
+};
+
+NativeScrollbars.prototype.zeroWidthHack = function () {
+ var w = mac && !mac_geMountainLion ? "12px" : "18px";
+ this.horiz.style.height = this.vert.style.width = w;
+ this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
+ this.disableHoriz = new Delayed;
+ this.disableVert = new Delayed;
+};
+
+NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
+ bar.style.pointerEvents = "auto";
+ function maybeDisable() {
+ // To find out whether the scrollbar is still visible, we
+ // check whether the element under the pixel in the bottom
+ // right corner of the scrollbar box is the scrollbar box
+ // itself (when the bar is still visible) or its filler child
+ // (when the bar is hidden). If it is still visible, we keep
+ // it enabled, if it's hidden, we disable pointer events.
+ var box = bar.getBoundingClientRect();
+ var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
+ : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
+ if (elt$$1 != bar) { bar.style.pointerEvents = "none"; }
+ else { delay.set(1000, maybeDisable); }
+ }
+ delay.set(1000, maybeDisable);
+};
+
+NativeScrollbars.prototype.clear = function () {
+ var parent = this.horiz.parentNode;
+ parent.removeChild(this.horiz);
+ parent.removeChild(this.vert);
+};
+
+var NullScrollbars = function () {};
+
+NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
+NullScrollbars.prototype.setScrollLeft = function () {};
+NullScrollbars.prototype.setScrollTop = function () {};
+NullScrollbars.prototype.clear = function () {};
+
+function updateScrollbars(cm, measure) {
+ if (!measure) { measure = measureForScrollbars(cm); }
+ var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
+ updateScrollbarsInner(cm, measure);
+ for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
+ if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
+ { updateHeightsInViewport(cm); }
+ updateScrollbarsInner(cm, measureForScrollbars(cm));
+ startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
+ }
+}
+
+// Re-synchronize the fake scrollbars with the actual size of the
+// content.
+function updateScrollbarsInner(cm, measure) {
+ var d = cm.display;
+ var sizes = d.scrollbars.update(measure);
+
+ d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
+ d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
+ d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";
+
+ if (sizes.right && sizes.bottom) {
+ d.scrollbarFiller.style.display = "block";
+ d.scrollbarFiller.style.height = sizes.bottom + "px";
+ d.scrollbarFiller.style.width = sizes.right + "px";
+ } else { d.scrollbarFiller.style.display = ""; }
+ if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
+ d.gutterFiller.style.display = "block";
+ d.gutterFiller.style.height = sizes.bottom + "px";
+ d.gutterFiller.style.width = measure.gutterWidth + "px";
+ } else { d.gutterFiller.style.display = ""; }
+}
+
+var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
+
+function initScrollbars(cm) {
+ if (cm.display.scrollbars) {
+ cm.display.scrollbars.clear();
+ if (cm.display.scrollbars.addClass)
+ { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+ }
+
+ cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
+ cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
+ // Prevent clicks in the scrollbars from killing focus
+ on(node, "mousedown", function () {
+ if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }
+ });
+ node.setAttribute("cm-not-content", "true");
+ }, function (pos, axis) {
+ if (axis == "horizontal") { setScrollLeft(cm, pos); }
+ else { updateScrollTop(cm, pos); }
+ }, cm);
+ if (cm.display.scrollbars.addClass)
+ { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+}
+
+// Operations are used to wrap a series of changes to the editor
+// state in such a way that each change won't have to update the
+// cursor and display (which would be awkward, slow, and
+// error-prone). Instead, display updates are batched and then all
+// combined and executed at once.
+
+var nextOpId = 0;
+// Start a new operation.
+function startOperation(cm) {
+ cm.curOp = {
+ cm: cm,
+ viewChanged: false, // Flag that indicates that lines might need to be redrawn
+ startHeight: cm.doc.height, // Used to detect need to update scrollbar
+ forceUpdate: false, // Used to force a redraw
+ updateInput: null, // Whether to reset the input textarea
+ typing: false, // Whether this reset should be careful to leave existing text (for compositing)
+ changeObjs: null, // Accumulated changes, for firing change events
+ cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
+ cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
+ selectionChanged: false, // Whether the selection needs to be redrawn
+ updateMaxLine: false, // Set when the widest line needs to be determined anew
+ scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
+ scrollToPos: null, // Used to scroll to a specific position
+ focus: false,
+ id: ++nextOpId // Unique ID
+ };
+ pushOperation(cm.curOp);
+}
+
+// Finish an operation, updating the display and signalling delayed events
+function endOperation(cm) {
+ var op = cm.curOp;
+ finishOperation(op, function (group) {
+ for (var i = 0; i < group.ops.length; i++)
+ { group.ops[i].cm.curOp = null; }
+ endOperations(group);
+ });
+}
+
+// The DOM updates done when an operation finishes are batched so
+// that the minimum number of relayouts are required.
+function endOperations(group) {
+ var ops = group.ops;
+ for (var i = 0; i < ops.length; i++) // Read DOM
+ { endOperation_R1(ops[i]); }
+ for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
+ { endOperation_W1(ops[i$1]); }
+ for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
+ { endOperation_R2(ops[i$2]); }
+ for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
+ { endOperation_W2(ops[i$3]); }
+ for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
+ { endOperation_finish(ops[i$4]); }
+}
+
+function endOperation_R1(op) {
+ var cm = op.cm, display = cm.display;
+ maybeClipScrollbars(cm);
+ if (op.updateMaxLine) { findMaxLine(cm); }
+
+ op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
+ op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
+ op.scrollToPos.to.line >= display.viewTo) ||
+ display.maxLineChanged && cm.options.lineWrapping;
+ op.update = op.mustUpdate &&
+ new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
+}
+
+function endOperation_W1(op) {
+ op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
+}
+
+function endOperation_R2(op) {
+ var cm = op.cm, display = cm.display;
+ if (op.updatedDisplay) { updateHeightsInViewport(cm); }
+
+ op.barMeasure = measureForScrollbars(cm);
+
+ // If the max line changed since it was last measured, measure it,
+ // and ensure the document's width matches it.
+ // updateDisplay_W2 will use these properties to do the actual resizing
+ if (display.maxLineChanged && !cm.options.lineWrapping) {
+ op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
+ cm.display.sizerWidth = op.adjustWidthTo;
+ op.barMeasure.scrollWidth =
+ Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
+ op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
+ }
+
+ if (op.updatedDisplay || op.selectionChanged)
+ { op.preparedSelection = display.input.prepareSelection(); }
+}
+
+function endOperation_W2(op) {
+ var cm = op.cm;
+
+ if (op.adjustWidthTo != null) {
+ cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
+ if (op.maxScrollLeft < cm.doc.scrollLeft)
+ { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }
+ cm.display.maxLineChanged = false;
+ }
+
+ var takeFocus = op.focus && op.focus == activeElt();
+ if (op.preparedSelection)
+ { cm.display.input.showSelection(op.preparedSelection, takeFocus); }
+ if (op.updatedDisplay || op.startHeight != cm.doc.height)
+ { updateScrollbars(cm, op.barMeasure); }
+ if (op.updatedDisplay)
+ { setDocumentHeight(cm, op.barMeasure); }
+
+ if (op.selectionChanged) { restartBlink(cm); }
+
+ if (cm.state.focused && op.updateInput)
+ { cm.display.input.reset(op.typing); }
+ if (takeFocus) { ensureFocus(op.cm); }
+}
+
+function endOperation_finish(op) {
+ var cm = op.cm, display = cm.display, doc = cm.doc;
+
+ if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }
+
+ // Abort mouse wheel delta measurement, when scrolling explicitly
+ if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
+ { display.wheelStartX = display.wheelStartY = null; }
+
+ // Propagate the scroll position to the actual DOM scroller
+ if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }
+
+ if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }
+ // If we need to scroll a specific position into view, do so.
+ if (op.scrollToPos) {
+ var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
+ clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
+ maybeScrollWindow(cm, rect);
+ }
+
+ // Fire events for markers that are hidden/unidden by editing or
+ // undoing
+ var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
+ if (hidden) { for (var i = 0; i < hidden.length; ++i)
+ { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }
+ if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
+ { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }
+
+ if (display.wrapper.offsetHeight)
+ { doc.scrollTop = cm.display.scroller.scrollTop; }
+
+ // Fire change events, and delayed event handlers
+ if (op.changeObjs)
+ { signal(cm, "changes", cm, op.changeObjs); }
+ if (op.update)
+ { op.update.finish(); }
+}
+
+// Run the given function in an operation
+function runInOp(cm, f) {
+ if (cm.curOp) { return f() }
+ startOperation(cm);
+ try { return f() }
+ finally { endOperation(cm); }
+}
+// Wraps a function in an operation. Returns the wrapped function.
+function operation(cm, f) {
+ return function() {
+ if (cm.curOp) { return f.apply(cm, arguments) }
+ startOperation(cm);
+ try { return f.apply(cm, arguments) }
+ finally { endOperation(cm); }
+ }
+}
+// Used to add methods to editor and doc instances, wrapping them in
+// operations.
+function methodOp(f) {
+ return function() {
+ if (this.curOp) { return f.apply(this, arguments) }
+ startOperation(this);
+ try { return f.apply(this, arguments) }
+ finally { endOperation(this); }
+ }
+}
+function docMethodOp(f) {
+ return function() {
+ var cm = this.cm;
+ if (!cm || cm.curOp) { return f.apply(this, arguments) }
+ startOperation(cm);
+ try { return f.apply(this, arguments) }
+ finally { endOperation(cm); }
+ }
+}
+
+// Updates the display.view data structure for a given change to the
+// document. From and to are in pre-change coordinates. Lendiff is
+// the amount of lines added or subtracted by the change. This is
+// used for changes that span multiple lines, or change the way
+// lines are divided into visual lines. regLineChange (below)
+// registers single-line changes.
+function regChange(cm, from, to, lendiff) {
+ if (from == null) { from = cm.doc.first; }
+ if (to == null) { to = cm.doc.first + cm.doc.size; }
+ if (!lendiff) { lendiff = 0; }
+
+ var display = cm.display;
+ if (lendiff && to < display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers > from))
+ { display.updateLineNumbers = from; }
+
+ cm.curOp.viewChanged = true;
+
+ if (from >= display.viewTo) { // Change after
+ if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
+ { resetView(cm); }
+ } else if (to <= display.viewFrom) { // Change before
+ if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
+ resetView(cm);
+ } else {
+ display.viewFrom += lendiff;
+ display.viewTo += lendiff;
+ }
+ } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
+ resetView(cm);
+ } else if (from <= display.viewFrom) { // Top overlap
+ var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
+ if (cut) {
+ display.view = display.view.slice(cut.index);
+ display.viewFrom = cut.lineN;
+ display.viewTo += lendiff;
+ } else {
+ resetView(cm);
+ }
+ } else if (to >= display.viewTo) { // Bottom overlap
+ var cut$1 = viewCuttingPoint(cm, from, from, -1);
+ if (cut$1) {
+ display.view = display.view.slice(0, cut$1.index);
+ display.viewTo = cut$1.lineN;
+ } else {
+ resetView(cm);
+ }
+ } else { // Gap in the middle
+ var cutTop = viewCuttingPoint(cm, from, from, -1);
+ var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
+ if (cutTop && cutBot) {
+ display.view = display.view.slice(0, cutTop.index)
+ .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
+ .concat(display.view.slice(cutBot.index));
+ display.viewTo += lendiff;
+ } else {
+ resetView(cm);
+ }
+ }
+
+ var ext = display.externalMeasured;
+ if (ext) {
+ if (to < ext.lineN)
+ { ext.lineN += lendiff; }
+ else if (from < ext.lineN + ext.size)
+ { display.externalMeasured = null; }
+ }
+}
+
+// Register a change to a single line. Type must be one of "text",
+// "gutter", "class", "widget"
+function regLineChange(cm, line, type) {
+ cm.curOp.viewChanged = true;
+ var display = cm.display, ext = cm.display.externalMeasured;
+ if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
+ { display.externalMeasured = null; }
+
+ if (line < display.viewFrom || line >= display.viewTo) { return }
+ var lineView = display.view[findViewIndex(cm, line)];
+ if (lineView.node == null) { return }
+ var arr = lineView.changes || (lineView.changes = []);
+ if (indexOf(arr, type) == -1) { arr.push(type); }
+}
+
+// Clear the view.
+function resetView(cm) {
+ cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
+ cm.display.view = [];
+ cm.display.viewOffset = 0;
+}
+
+function viewCuttingPoint(cm, oldN, newN, dir) {
+ var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
+ if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
+ { return {index: index, lineN: newN} }
+ var n = cm.display.viewFrom;
+ for (var i = 0; i < index; i++)
+ { n += view[i].size; }
+ if (n != oldN) {
+ if (dir > 0) {
+ if (index == view.length - 1) { return null }
+ diff = (n + view[index].size) - oldN;
+ index++;
+ } else {
+ diff = n - oldN;
+ }
+ oldN += diff; newN += diff;
+ }
+ while (visualLineNo(cm.doc, newN) != newN) {
+ if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
+ newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
+ index += dir;
+ }
+ return {index: index, lineN: newN}
+}
+
+// Force the view to cover a given range, adding empty view element
+// or clipping off existing ones as needed.
+function adjustView(cm, from, to) {
+ var display = cm.display, view = display.view;
+ if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
+ display.view = buildViewArray(cm, from, to);
+ display.viewFrom = from;
+ } else {
+ if (display.viewFrom > from)
+ { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }
+ else if (display.viewFrom < from)
+ { display.view = display.view.slice(findViewIndex(cm, from)); }
+ display.viewFrom = from;
+ if (display.viewTo < to)
+ { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }
+ else if (display.viewTo > to)
+ { display.view = display.view.slice(0, findViewIndex(cm, to)); }
+ }
+ display.viewTo = to;
+}
+
+// Count the number of lines in the view whose DOM representation is
+// out of date (or nonexistent).
+function countDirtyView(cm) {
+ var view = cm.display.view, dirty = 0;
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i];
+ if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }
+ }
+ return dirty
+}
+
+// HIGHLIGHT WORKER
+
+function startWorker(cm, time) {
+ if (cm.doc.highlightFrontier < cm.display.viewTo)
+ { cm.state.highlight.set(time, bind(highlightWorker, cm)); }
+}
+
+function highlightWorker(cm) {
+ var doc = cm.doc;
+ if (doc.highlightFrontier >= cm.display.viewTo) { return }
+ var end = +new Date + cm.options.workTime;
+ var context = getContextBefore(cm, doc.highlightFrontier);
+ var changedLines = [];
+
+ doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
+ if (context.line >= cm.display.viewFrom) { // Visible
+ var oldStyles = line.styles;
+ var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
+ var highlighted = highlightLine(cm, line, context, true);
+ if (resetState) { context.state = resetState; }
+ line.styles = highlighted.styles;
+ var oldCls = line.styleClasses, newCls = highlighted.classes;
+ if (newCls) { line.styleClasses = newCls; }
+ else if (oldCls) { line.styleClasses = null; }
+ var ischange = !oldStyles || oldStyles.length != line.styles.length ||
+ oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
+ for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }
+ if (ischange) { changedLines.push(context.line); }
+ line.stateAfter = context.save();
+ context.nextLine();
+ } else {
+ if (line.text.length <= cm.options.maxHighlightLength)
+ { processLine(cm, line.text, context); }
+ line.stateAfter = context.line % 5 == 0 ? context.save() : null;
+ context.nextLine();
+ }
+ if (+new Date > end) {
+ startWorker(cm, cm.options.workDelay);
+ return true
+ }
+ });
+ doc.highlightFrontier = context.line;
+ doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
+ if (changedLines.length) { runInOp(cm, function () {
+ for (var i = 0; i < changedLines.length; i++)
+ { regLineChange(cm, changedLines[i], "text"); }
+ }); }
+}
+
+// DISPLAY DRAWING
+
+var DisplayUpdate = function(cm, viewport, force) {
+ var display = cm.display;
+
+ this.viewport = viewport;
+ // Store some values that we'll need later (but don't want to force a relayout for)
+ this.visible = visibleLines(display, cm.doc, viewport);
+ this.editorIsHidden = !display.wrapper.offsetWidth;
+ this.wrapperHeight = display.wrapper.clientHeight;
+ this.wrapperWidth = display.wrapper.clientWidth;
+ this.oldDisplayWidth = displayWidth(cm);
+ this.force = force;
+ this.dims = getDimensions(cm);
+ this.events = [];
+};
+
+DisplayUpdate.prototype.signal = function (emitter, type) {
+ if (hasHandler(emitter, type))
+ { this.events.push(arguments); }
+};
+DisplayUpdate.prototype.finish = function () {
+ var this$1 = this;
+
+ for (var i = 0; i < this.events.length; i++)
+ { signal.apply(null, this$1.events[i]); }
+};
+
+function maybeClipScrollbars(cm) {
+ var display = cm.display;
+ if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
+ display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
+ display.heightForcer.style.height = scrollGap(cm) + "px";
+ display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
+ display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
+ display.scrollbarsClipped = true;
+ }
+}
+
+function selectionSnapshot(cm) {
+ if (cm.hasFocus()) { return null }
+ var active = activeElt();
+ if (!active || !contains(cm.display.lineDiv, active)) { return null }
+ var result = {activeElt: active};
+ if (window.getSelection) {
+ var sel = window.getSelection();
+ if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
+ result.anchorNode = sel.anchorNode;
+ result.anchorOffset = sel.anchorOffset;
+ result.focusNode = sel.focusNode;
+ result.focusOffset = sel.focusOffset;
+ }
+ }
+ return result
+}
+
+function restoreSelection(snapshot) {
+ if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }
+ snapshot.activeElt.focus();
+ if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
+ var sel = window.getSelection(), range$$1 = document.createRange();
+ range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
+ range$$1.collapse(false);
+ sel.removeAllRanges();
+ sel.addRange(range$$1);
+ sel.extend(snapshot.focusNode, snapshot.focusOffset);
+ }
+}
+
+// Does the actual updating of the line display. Bails out
+// (returning false) when there is nothing to be done and forced is
+// false.
+function updateDisplayIfNeeded(cm, update) {
+ var display = cm.display, doc = cm.doc;
+
+ if (update.editorIsHidden) {
+ resetView(cm);
+ return false
+ }
+
+ // Bail out if the visible area is already rendered and nothing changed.
+ if (!update.force &&
+ update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
+ display.renderedView == display.view && countDirtyView(cm) == 0)
+ { return false }
+
+ if (maybeUpdateLineNumberWidth(cm)) {
+ resetView(cm);
+ update.dims = getDimensions(cm);
+ }
+
+ // Compute a suitable new viewport (from & to)
+ var end = doc.first + doc.size;
+ var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
+ var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
+ if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }
+ if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }
+ if (sawCollapsedSpans) {
+ from = visualLineNo(cm.doc, from);
+ to = visualLineEndNo(cm.doc, to);
+ }
+
+ var different = from != display.viewFrom || to != display.viewTo ||
+ display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
+ adjustView(cm, from, to);
+
+ display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
+ // Position the mover div to align with the current scroll position
+ cm.display.mover.style.top = display.viewOffset + "px";
+
+ var toUpdate = countDirtyView(cm);
+ if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
+ { return false }
+
+ // For big changes, we hide the enclosing element during the
+ // update, since that speeds up the operations on most browsers.
+ var selSnapshot = selectionSnapshot(cm);
+ if (toUpdate > 4) { display.lineDiv.style.display = "none"; }
+ patchDisplay(cm, display.updateLineNumbers, update.dims);
+ if (toUpdate > 4) { display.lineDiv.style.display = ""; }
+ display.renderedView = display.view;
+ // There might have been a widget with a focused element that got
+ // hidden or updated, if so re-focus it.
+ restoreSelection(selSnapshot);
+
+ // Prevent selection and cursors from interfering with the scroll
+ // width and height.
+ removeChildren(display.cursorDiv);
+ removeChildren(display.selectionDiv);
+ display.gutters.style.height = display.sizer.style.minHeight = 0;
+
+ if (different) {
+ display.lastWrapHeight = update.wrapperHeight;
+ display.lastWrapWidth = update.wrapperWidth;
+ startWorker(cm, 400);
+ }
+
+ display.updateLineNumbers = null;
+
+ return true
+}
+
+function postUpdateDisplay(cm, update) {
+ var viewport = update.viewport;
+
+ for (var first = true;; first = false) {
+ if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
+ // Clip forced viewport to actual scrollable area.
+ if (viewport && viewport.top != null)
+ { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }
+ // Updated line heights might result in the drawn area not
+ // actually covering the viewport. Keep looping until it does.
+ update.visible = visibleLines(cm.display, cm.doc, viewport);
+ if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
+ { break }
+ }
+ if (!updateDisplayIfNeeded(cm, update)) { break }
+ updateHeightsInViewport(cm);
+ var barMeasure = measureForScrollbars(cm);
+ updateSelection(cm);
+ updateScrollbars(cm, barMeasure);
+ setDocumentHeight(cm, barMeasure);
+ update.force = false;
+ }
+
+ update.signal(cm, "update", cm);
+ if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
+ update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
+ cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
+ }
+}
+
+function updateDisplaySimple(cm, viewport) {
+ var update = new DisplayUpdate(cm, viewport);
+ if (updateDisplayIfNeeded(cm, update)) {
+ updateHeightsInViewport(cm);
+ postUpdateDisplay(cm, update);
+ var barMeasure = measureForScrollbars(cm);
+ updateSelection(cm);
+ updateScrollbars(cm, barMeasure);
+ setDocumentHeight(cm, barMeasure);
+ update.finish();
+ }
+}
+
+// Sync the actual display DOM structure with display.view, removing
+// nodes for lines that are no longer in view, and creating the ones
+// that are not there yet, and updating the ones that are out of
+// date.
+function patchDisplay(cm, updateNumbersFrom, dims) {
+ var display = cm.display, lineNumbers = cm.options.lineNumbers;
+ var container = display.lineDiv, cur = container.firstChild;
+
+ function rm(node) {
+ var next = node.nextSibling;
+ // Works around a throw-scroll bug in OS X Webkit
+ if (webkit && mac && cm.display.currentWheelTarget == node)
+ { node.style.display = "none"; }
+ else
+ { node.parentNode.removeChild(node); }
+ return next
+ }
+
+ var view = display.view, lineN = display.viewFrom;
+ // Loop over the elements in the view, syncing cur (the DOM nodes
+ // in display.lineDiv) with the view as we go.
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i];
+ if (lineView.hidden) {
+ } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
+ var node = buildLineElement(cm, lineView, lineN, dims);
+ container.insertBefore(node, cur);
+ } else { // Already drawn
+ while (cur != lineView.node) { cur = rm(cur); }
+ var updateNumber = lineNumbers && updateNumbersFrom != null &&
+ updateNumbersFrom <= lineN && lineView.lineNumber;
+ if (lineView.changes) {
+ if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }
+ updateLineForChanges(cm, lineView, lineN, dims);
+ }
+ if (updateNumber) {
+ removeChildren(lineView.lineNumber);
+ lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
+ }
+ cur = lineView.node.nextSibling;
+ }
+ lineN += lineView.size;
+ }
+ while (cur) { cur = rm(cur); }
+}
+
+function updateGutterSpace(cm) {
+ var width = cm.display.gutters.offsetWidth;
+ cm.display.sizer.style.marginLeft = width + "px";
+}
+
+function setDocumentHeight(cm, measure) {
+ cm.display.sizer.style.minHeight = measure.docHeight + "px";
+ cm.display.heightForcer.style.top = measure.docHeight + "px";
+ cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
+}
+
+// Rebuild the gutter elements, ensure the margin to the left of the
+// code matches their width.
+function updateGutters(cm) {
+ var gutters = cm.display.gutters, specs = cm.options.gutters;
+ removeChildren(gutters);
+ var i = 0;
+ for (; i < specs.length; ++i) {
+ var gutterClass = specs[i];
+ var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
+ if (gutterClass == "CodeMirror-linenumbers") {
+ cm.display.lineGutter = gElt;
+ gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
+ }
+ }
+ gutters.style.display = i ? "" : "none";
+ updateGutterSpace(cm);
+}
+
+// Make sure the gutters options contains the element
+// "CodeMirror-linenumbers" when the lineNumbers option is true.
+function setGuttersForLineNumbers(options) {
+ var found = indexOf(options.gutters, "CodeMirror-linenumbers");
+ if (found == -1 && options.lineNumbers) {
+ options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
+ } else if (found > -1 && !options.lineNumbers) {
+ options.gutters = options.gutters.slice(0);
+ options.gutters.splice(found, 1);
+ }
+}
+
+// Since the delta values reported on mouse wheel events are
+// unstandardized between browsers and even browser versions, and
+// generally horribly unpredictable, this code starts by measuring
+// the scroll effect that the first few mouse wheel events have,
+// and, from that, detects the way it can convert deltas to pixel
+// offsets afterwards.
+//
+// The reason we want to know the amount a wheel event will scroll
+// is that it gives us a chance to update the display before the
+// actual scrolling happens, reducing flickering.
+
+var wheelSamples = 0;
+var wheelPixelsPerUnit = null;
+// Fill in a browser-detected starting value on browsers where we
+// know one. These don't have to be accurate -- the result of them
+// being wrong would just be a slight flicker on the first wheel
+// scroll (if it is large enough).
+if (ie) { wheelPixelsPerUnit = -.53; }
+else if (gecko) { wheelPixelsPerUnit = 15; }
+else if (chrome) { wheelPixelsPerUnit = -.7; }
+else if (safari) { wheelPixelsPerUnit = -1/3; }
+
+function wheelEventDelta(e) {
+ var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
+ if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }
+ if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }
+ else if (dy == null) { dy = e.wheelDelta; }
+ return {x: dx, y: dy}
+}
+function wheelEventPixels(e) {
+ var delta = wheelEventDelta(e);
+ delta.x *= wheelPixelsPerUnit;
+ delta.y *= wheelPixelsPerUnit;
+ return delta
+}
+
+function onScrollWheel(cm, e) {
+ var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
+
+ var display = cm.display, scroll = display.scroller;
+ // Quit if there's nothing to scroll here
+ var canScrollX = scroll.scrollWidth > scroll.clientWidth;
+ var canScrollY = scroll.scrollHeight > scroll.clientHeight;
+ if (!(dx && canScrollX || dy && canScrollY)) { return }
+
+ // Webkit browsers on OS X abort momentum scrolls when the target
+ // of the scroll event is removed from the scrollable element.
+ // This hack (see related code in patchDisplay) makes sure the
+ // element is kept around.
+ if (dy && mac && webkit) {
+ outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
+ for (var i = 0; i < view.length; i++) {
+ if (view[i].node == cur) {
+ cm.display.currentWheelTarget = cur;
+ break outer
+ }
+ }
+ }
+ }
+
+ // On some browsers, horizontal scrolling will cause redraws to
+ // happen before the gutter has been realigned, causing it to
+ // wriggle around in a most unseemly way. When we have an
+ // estimated pixels/delta value, we just handle horizontal
+ // scrolling entirely here. It'll be slightly off from native, but
+ // better than glitching out.
+ if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
+ if (dy && canScrollY)
+ { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }
+ setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));
+ // Only prevent default scrolling if vertical scrolling is
+ // actually possible. Otherwise, it causes vertical scroll
+ // jitter on OSX trackpads when deltaX is small and deltaY
+ // is large (issue #3579)
+ if (!dy || (dy && canScrollY))
+ { e_preventDefault(e); }
+ display.wheelStartX = null; // Abort measurement, if in progress
+ return
+ }
+
+ // 'Project' the visible viewport to cover the area that is being
+ // scrolled into view (if we know enough to estimate it).
+ if (dy && wheelPixelsPerUnit != null) {
+ var pixels = dy * wheelPixelsPerUnit;
+ var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
+ if (pixels < 0) { top = Math.max(0, top + pixels - 50); }
+ else { bot = Math.min(cm.doc.height, bot + pixels + 50); }
+ updateDisplaySimple(cm, {top: top, bottom: bot});
+ }
+
+ if (wheelSamples < 20) {
+ if (display.wheelStartX == null) {
+ display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
+ display.wheelDX = dx; display.wheelDY = dy;
+ setTimeout(function () {
+ if (display.wheelStartX == null) { return }
+ var movedX = scroll.scrollLeft - display.wheelStartX;
+ var movedY = scroll.scrollTop - display.wheelStartY;
+ var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
+ (movedX && display.wheelDX && movedX / display.wheelDX);
+ display.wheelStartX = display.wheelStartY = null;
+ if (!sample) { return }
+ wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
+ ++wheelSamples;
+ }, 200);
+ } else {
+ display.wheelDX += dx; display.wheelDY += dy;
+ }
+ }
+}
+
+// Selection objects are immutable. A new one is created every time
+// the selection changes. A selection is one or more non-overlapping
+// (and non-touching) ranges, sorted, and an integer that indicates
+// which one is the primary selection (the one that's scrolled into
+// view, that getCursor returns, etc).
+var Selection = function(ranges, primIndex) {
+ this.ranges = ranges;
+ this.primIndex = primIndex;
+};
+
+Selection.prototype.primary = function () { return this.ranges[this.primIndex] };
+
+Selection.prototype.equals = function (other) {
+ var this$1 = this;
+
+ if (other == this) { return true }
+ if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var here = this$1.ranges[i], there = other.ranges[i];
+ if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
+ }
+ return true
+};
+
+Selection.prototype.deepCopy = function () {
+ var this$1 = this;
+
+ var out = [];
+ for (var i = 0; i < this.ranges.length; i++)
+ { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }
+ return new Selection(out, this.primIndex)
+};
+
+Selection.prototype.somethingSelected = function () {
+ var this$1 = this;
+
+ for (var i = 0; i < this.ranges.length; i++)
+ { if (!this$1.ranges[i].empty()) { return true } }
+ return false
+};
+
+Selection.prototype.contains = function (pos, end) {
+ var this$1 = this;
+
+ if (!end) { end = pos; }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var range = this$1.ranges[i];
+ if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
+ { return i }
+ }
+ return -1
+};
+
+var Range = function(anchor, head) {
+ this.anchor = anchor; this.head = head;
+};
+
+Range.prototype.from = function () { return minPos(this.anchor, this.head) };
+Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
+Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };
+
+// Take an unsorted, potentially overlapping set of ranges, and
+// build a selection out of it. 'Consumes' ranges array (modifying
+// it).
+function normalizeSelection(ranges, primIndex) {
+ var prim = ranges[primIndex];
+ ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });
+ primIndex = indexOf(ranges, prim);
+ for (var i = 1; i < ranges.length; i++) {
+ var cur = ranges[i], prev = ranges[i - 1];
+ if (cmp(prev.to(), cur.from()) >= 0) {
+ var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
+ var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
+ if (i <= primIndex) { --primIndex; }
+ ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
+ }
+ }
+ return new Selection(ranges, primIndex)
+}
+
+function simpleSelection(anchor, head) {
+ return new Selection([new Range(anchor, head || anchor)], 0)
+}
+
+// Compute the position of the end of a change (its 'to' property
+// refers to the pre-change end).
+function changeEnd(change) {
+ if (!change.text) { return change.to }
+ return Pos(change.from.line + change.text.length - 1,
+ lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
+}
+
+// Adjust a position to refer to the post-change position of the
+// same text, or the end of the change if the change covers it.
+function adjustForChange(pos, change) {
+ if (cmp(pos, change.from) < 0) { return pos }
+ if (cmp(pos, change.to) <= 0) { return changeEnd(change) }
+
+ var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
+ if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }
+ return Pos(line, ch)
+}
+
+function computeSelAfterChange(doc, change) {
+ var out = [];
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ var range = doc.sel.ranges[i];
+ out.push(new Range(adjustForChange(range.anchor, change),
+ adjustForChange(range.head, change)));
+ }
+ return normalizeSelection(out, doc.sel.primIndex)
+}
+
+function offsetPos(pos, old, nw) {
+ if (pos.line == old.line)
+ { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
+ else
+ { return Pos(nw.line + (pos.line - old.line), pos.ch) }
+}
+
+// Used by replaceSelections to allow moving the selection to the
+// start or around the replaced test. Hint may be "start" or "around".
+function computeReplacedSel(doc, changes, hint) {
+ var out = [];
+ var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
+ for (var i = 0; i < changes.length; i++) {
+ var change = changes[i];
+ var from = offsetPos(change.from, oldPrev, newPrev);
+ var to = offsetPos(changeEnd(change), oldPrev, newPrev);
+ oldPrev = change.to;
+ newPrev = to;
+ if (hint == "around") {
+ var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
+ out[i] = new Range(inv ? to : from, inv ? from : to);
+ } else {
+ out[i] = new Range(from, from);
+ }
+ }
+ return new Selection(out, doc.sel.primIndex)
+}
+
+// Used to get the editor into a consistent state again when options change.
+
+function loadMode(cm) {
+ cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
+ resetModeState(cm);
+}
+
+function resetModeState(cm) {
+ cm.doc.iter(function (line) {
+ if (line.stateAfter) { line.stateAfter = null; }
+ if (line.styles) { line.styles = null; }
+ });
+ cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
+ startWorker(cm, 100);
+ cm.state.modeGen++;
+ if (cm.curOp) { regChange(cm); }
+}
+
+// DOCUMENT DATA STRUCTURE
+
+// By default, updates that start and end at the beginning of a line
+// are treated specially, in order to make the association of line
+// widgets and marker elements with the text behave more intuitive.
+function isWholeLineUpdate(doc, change) {
+ return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
+ (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
+}
+
+// Perform a change on the document data structure.
+function updateDoc(doc, change, markedSpans, estimateHeight$$1) {
+ function spansFor(n) {return markedSpans ? markedSpans[n] : null}
+ function update(line, text, spans) {
+ updateLine(line, text, spans, estimateHeight$$1);
+ signalLater(line, "change", line, change);
+ }
+ function linesFor(start, end) {
+ var result = [];
+ for (var i = start; i < end; ++i)
+ { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }
+ return result
+ }
+
+ var from = change.from, to = change.to, text = change.text;
+ var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
+ var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
+
+ // Adjust the line structure
+ if (change.full) {
+ doc.insert(0, linesFor(0, text.length));
+ doc.remove(text.length, doc.size - text.length);
+ } else if (isWholeLineUpdate(doc, change)) {
+ // This is a whole-line replace. Treated specially to make
+ // sure line objects move the way they are supposed to.
+ var added = linesFor(0, text.length - 1);
+ update(lastLine, lastLine.text, lastSpans);
+ if (nlines) { doc.remove(from.line, nlines); }
+ if (added.length) { doc.insert(from.line, added); }
+ } else if (firstLine == lastLine) {
+ if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
+ } else {
+ var added$1 = linesFor(1, text.length - 1);
+ added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ doc.insert(from.line + 1, added$1);
+ }
+ } else if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
+ doc.remove(from.line + 1, nlines);
+ } else {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
+ var added$2 = linesFor(1, text.length - 1);
+ if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }
+ doc.insert(from.line + 1, added$2);
+ }
+
+ signalLater(doc, "change", doc, change);
+}
+
+// Call f for all linked documents.
+function linkedDocs(doc, f, sharedHistOnly) {
+ function propagate(doc, skip, sharedHist) {
+ if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
+ var rel = doc.linked[i];
+ if (rel.doc == skip) { continue }
+ var shared = sharedHist && rel.sharedHist;
+ if (sharedHistOnly && !shared) { continue }
+ f(rel.doc, shared);
+ propagate(rel.doc, doc, shared);
+ } }
+ }
+ propagate(doc, null, true);
+}
+
+// Attach a document to an editor.
+function attachDoc(cm, doc) {
+ if (doc.cm) { throw new Error("This document is already in use.") }
+ cm.doc = doc;
+ doc.cm = cm;
+ estimateLineHeights(cm);
+ loadMode(cm);
+ setDirectionClass(cm);
+ if (!cm.options.lineWrapping) { findMaxLine(cm); }
+ cm.options.mode = doc.modeOption;
+ regChange(cm);
+}
+
+function setDirectionClass(cm) {
+ (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
+}
+
+function directionChanged(cm) {
+ runInOp(cm, function () {
+ setDirectionClass(cm);
+ regChange(cm);
+ });
+}
+
+function History(startGen) {
+ // Arrays of change events and selections. Doing something adds an
+ // event to done and clears undo. Undoing moves events from done
+ // to undone, redoing moves them in the other direction.
+ this.done = []; this.undone = [];
+ this.undoDepth = Infinity;
+ // Used to track when changes can be merged into a single undo
+ // event
+ this.lastModTime = this.lastSelTime = 0;
+ this.lastOp = this.lastSelOp = null;
+ this.lastOrigin = this.lastSelOrigin = null;
+ // Used by the isClean() method
+ this.generation = this.maxGeneration = startGen || 1;
+}
+
+// Create a history change event from an updateDoc-style change
+// object.
+function historyChangeFromChange(doc, change) {
+ var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
+ attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
+ linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);
+ return histChange
+}
+
+// Pop all selection events off the end of a history array. Stop at
+// a change event.
+function clearSelectionEvents(array) {
+ while (array.length) {
+ var last = lst(array);
+ if (last.ranges) { array.pop(); }
+ else { break }
+ }
+}
+
+// Find the top change event in the history. Pop off selection
+// events that are in the way.
+function lastChangeEvent(hist, force) {
+ if (force) {
+ clearSelectionEvents(hist.done);
+ return lst(hist.done)
+ } else if (hist.done.length && !lst(hist.done).ranges) {
+ return lst(hist.done)
+ } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
+ hist.done.pop();
+ return lst(hist.done)
+ }
+}
+
+// Register a change in the history. Merges changes that are within
+// a single operation, or are close together with an origin that
+// allows merging (starting with "+") into a single event.
+function addChangeToHistory(doc, change, selAfter, opId) {
+ var hist = doc.history;
+ hist.undone.length = 0;
+ var time = +new Date, cur;
+ var last;
+
+ if ((hist.lastOp == opId ||
+ hist.lastOrigin == change.origin && change.origin &&
+ ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
+ change.origin.charAt(0) == "*")) &&
+ (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
+ // Merge this change into the last event
+ last = lst(cur.changes);
+ if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
+ // Optimized case for simple insertion -- don't want to add
+ // new changesets for every character typed
+ last.to = changeEnd(change);
+ } else {
+ // Add new sub-event
+ cur.changes.push(historyChangeFromChange(doc, change));
+ }
+ } else {
+ // Can not be merged, start a new event.
+ var before = lst(hist.done);
+ if (!before || !before.ranges)
+ { pushSelectionToHistory(doc.sel, hist.done); }
+ cur = {changes: [historyChangeFromChange(doc, change)],
+ generation: hist.generation};
+ hist.done.push(cur);
+ while (hist.done.length > hist.undoDepth) {
+ hist.done.shift();
+ if (!hist.done[0].ranges) { hist.done.shift(); }
+ }
+ }
+ hist.done.push(selAfter);
+ hist.generation = ++hist.maxGeneration;
+ hist.lastModTime = hist.lastSelTime = time;
+ hist.lastOp = hist.lastSelOp = opId;
+ hist.lastOrigin = hist.lastSelOrigin = change.origin;
+
+ if (!last) { signal(doc, "historyAdded"); }
+}
+
+function selectionEventCanBeMerged(doc, origin, prev, sel) {
+ var ch = origin.charAt(0);
+ return ch == "*" ||
+ ch == "+" &&
+ prev.ranges.length == sel.ranges.length &&
+ prev.somethingSelected() == sel.somethingSelected() &&
+ new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
+}
+
+// Called whenever the selection changes, sets the new selection as
+// the pending selection in the history, and pushes the old pending
+// selection into the 'done' array when it was significantly
+// different (in number of selected ranges, emptiness, or time).
+function addSelectionToHistory(doc, sel, opId, options) {
+ var hist = doc.history, origin = options && options.origin;
+
+ // A new event is started when the previous origin does not match
+ // the current, or the origins don't allow matching. Origins
+ // starting with * are always merged, those starting with + are
+ // merged when similar and close together in time.
+ if (opId == hist.lastSelOp ||
+ (origin && hist.lastSelOrigin == origin &&
+ (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
+ selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
+ { hist.done[hist.done.length - 1] = sel; }
+ else
+ { pushSelectionToHistory(sel, hist.done); }
+
+ hist.lastSelTime = +new Date;
+ hist.lastSelOrigin = origin;
+ hist.lastSelOp = opId;
+ if (options && options.clearRedo !== false)
+ { clearSelectionEvents(hist.undone); }
+}
+
+function pushSelectionToHistory(sel, dest) {
+ var top = lst(dest);
+ if (!(top && top.ranges && top.equals(sel)))
+ { dest.push(sel); }
+}
+
+// Used to store marked span information in the history.
+function attachLocalSpans(doc, change, from, to) {
+ var existing = change["spans_" + doc.id], n = 0;
+ doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
+ if (line.markedSpans)
+ { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }
+ ++n;
+ });
+}
+
+// When un/re-doing restores text containing marked spans, those
+// that have been explicitly cleared should not be restored.
+function removeClearedSpans(spans) {
+ if (!spans) { return null }
+ var out;
+ for (var i = 0; i < spans.length; ++i) {
+ if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }
+ else if (out) { out.push(spans[i]); }
+ }
+ return !out ? spans : out.length ? out : null
+}
+
+// Retrieve and filter the old marked spans stored in a change event.
+function getOldSpans(doc, change) {
+ var found = change["spans_" + doc.id];
+ if (!found) { return null }
+ var nw = [];
+ for (var i = 0; i < change.text.length; ++i)
+ { nw.push(removeClearedSpans(found[i])); }
+ return nw
+}
+
+// Used for un/re-doing changes from the history. Combines the
+// result of computing the existing spans with the set of spans that
+// existed in the history (so that deleting around a span and then
+// undoing brings back the span).
+function mergeOldSpans(doc, change) {
+ var old = getOldSpans(doc, change);
+ var stretched = stretchSpansOverChange(doc, change);
+ if (!old) { return stretched }
+ if (!stretched) { return old }
+
+ for (var i = 0; i < old.length; ++i) {
+ var oldCur = old[i], stretchCur = stretched[i];
+ if (oldCur && stretchCur) {
+ spans: for (var j = 0; j < stretchCur.length; ++j) {
+ var span = stretchCur[j];
+ for (var k = 0; k < oldCur.length; ++k)
+ { if (oldCur[k].marker == span.marker) { continue spans } }
+ oldCur.push(span);
+ }
+ } else if (stretchCur) {
+ old[i] = stretchCur;
+ }
+ }
+ return old
+}
+
+// Used both to provide a JSON-safe object in .getHistory, and, when
+// detaching a document, to split the history in two
+function copyHistoryArray(events, newGroup, instantiateSel) {
+ var copy = [];
+ for (var i = 0; i < events.length; ++i) {
+ var event = events[i];
+ if (event.ranges) {
+ copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
+ continue
+ }
+ var changes = event.changes, newChanges = [];
+ copy.push({changes: newChanges});
+ for (var j = 0; j < changes.length; ++j) {
+ var change = changes[j], m = (void 0);
+ newChanges.push({from: change.from, to: change.to, text: change.text});
+ if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
+ if (indexOf(newGroup, Number(m[1])) > -1) {
+ lst(newChanges)[prop] = change[prop];
+ delete change[prop];
+ }
+ } } }
+ }
+ }
+ return copy
+}
+
+// The 'scroll' parameter given to many of these indicated whether
+// the new cursor position should be scrolled into view after
+// modifying the selection.
+
+// If shift is held or the extend flag is set, extends a range to
+// include a given position (and optionally a second position).
+// Otherwise, simply returns the range between the given positions.
+// Used for cursor motion and such.
+function extendRange(range, head, other, extend) {
+ if (extend) {
+ var anchor = range.anchor;
+ if (other) {
+ var posBefore = cmp(head, anchor) < 0;
+ if (posBefore != (cmp(other, anchor) < 0)) {
+ anchor = head;
+ head = other;
+ } else if (posBefore != (cmp(head, other) < 0)) {
+ head = other;
+ }
+ }
+ return new Range(anchor, head)
+ } else {
+ return new Range(other || head, head)
+ }
+}
+
+// Extend the primary selection range, discard the rest.
+function extendSelection(doc, head, other, options, extend) {
+ if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }
+ setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
+}
+
+// Extend all selections (pos is an array of selections with length
+// equal the number of selections)
+function extendSelections(doc, heads, options) {
+ var out = [];
+ var extend = doc.cm && (doc.cm.display.shift || doc.extend);
+ for (var i = 0; i < doc.sel.ranges.length; i++)
+ { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }
+ var newSel = normalizeSelection(out, doc.sel.primIndex);
+ setSelection(doc, newSel, options);
+}
+
+// Updates a single range in the selection.
+function replaceOneSelection(doc, i, range, options) {
+ var ranges = doc.sel.ranges.slice(0);
+ ranges[i] = range;
+ setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
+}
+
+// Reset the selection to a single range.
+function setSimpleSelection(doc, anchor, head, options) {
+ setSelection(doc, simpleSelection(anchor, head), options);
+}
+
+// Give beforeSelectionChange handlers a change to influence a
+// selection update.
+function filterSelectionChange(doc, sel, options) {
+ var obj = {
+ ranges: sel.ranges,
+ update: function(ranges) {
+ var this$1 = this;
+
+ this.ranges = [];
+ for (var i = 0; i < ranges.length; i++)
+ { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
+ clipPos(doc, ranges[i].head)); }
+ },
+ origin: options && options.origin
+ };
+ signal(doc, "beforeSelectionChange", doc, obj);
+ if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }
+ if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) }
+ else { return sel }
+}
+
+function setSelectionReplaceHistory(doc, sel, options) {
+ var done = doc.history.done, last = lst(done);
+ if (last && last.ranges) {
+ done[done.length - 1] = sel;
+ setSelectionNoUndo(doc, sel, options);
+ } else {
+ setSelection(doc, sel, options);
+ }
+}
+
+// Set a new selection.
+function setSelection(doc, sel, options) {
+ setSelectionNoUndo(doc, sel, options);
+ addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
+}
+
+function setSelectionNoUndo(doc, sel, options) {
+ if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
+ { sel = filterSelectionChange(doc, sel, options); }
+
+ var bias = options && options.bias ||
+ (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
+ setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
+
+ if (!(options && options.scroll === false) && doc.cm)
+ { ensureCursorVisible(doc.cm); }
+}
+
+function setSelectionInner(doc, sel) {
+ if (sel.equals(doc.sel)) { return }
+
+ doc.sel = sel;
+
+ if (doc.cm) {
+ doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
+ signalCursorActivity(doc.cm);
+ }
+ signalLater(doc, "cursorActivity", doc);
+}
+
+// Verify that the selection does not partially select any atomic
+// marked ranges.
+function reCheckSelection(doc) {
+ setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
+}
+
+// Return a selection that does not partially select any atomic
+// ranges.
+function skipAtomicInSelection(doc, sel, bias, mayClear) {
+ var out;
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range = sel.ranges[i];
+ var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
+ var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
+ var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
+ if (out || newAnchor != range.anchor || newHead != range.head) {
+ if (!out) { out = sel.ranges.slice(0, i); }
+ out[i] = new Range(newAnchor, newHead);
+ }
+ }
+ return out ? normalizeSelection(out, sel.primIndex) : sel
+}
+
+function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
+ var line = getLine(doc, pos.line);
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var sp = line.markedSpans[i], m = sp.marker;
+ if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
+ (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
+ if (mayClear) {
+ signal(m, "beforeCursorEnter");
+ if (m.explicitlyCleared) {
+ if (!line.markedSpans) { break }
+ else {--i; continue}
+ }
+ }
+ if (!m.atomic) { continue }
+
+ if (oldPos) {
+ var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);
+ if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)
+ { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }
+ if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
+ { return skipAtomicInner(doc, near, pos, dir, mayClear) }
+ }
+
+ var far = m.find(dir < 0 ? -1 : 1);
+ if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)
+ { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }
+ return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
+ }
+ } }
+ return pos
+}
+
+// Ensure a given position is not inside an atomic range.
+function skipAtomic(doc, pos, oldPos, bias, mayClear) {
+ var dir = bias || 1;
+ var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
+ skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
+ if (!found) {
+ doc.cantEdit = true;
+ return Pos(doc.first, 0)
+ }
+ return found
+}
+
+function movePos(doc, pos, dir, line) {
+ if (dir < 0 && pos.ch == 0) {
+ if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
+ else { return null }
+ } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
+ if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
+ else { return null }
+ } else {
+ return new Pos(pos.line, pos.ch + dir)
+ }
+}
+
+function selectAll(cm) {
+ cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
+}
+
+// UPDATING
+
+// Allow "beforeChange" event handlers to influence a change
+function filterChange(doc, change, update) {
+ var obj = {
+ canceled: false,
+ from: change.from,
+ to: change.to,
+ text: change.text,
+ origin: change.origin,
+ cancel: function () { return obj.canceled = true; }
+ };
+ if (update) { obj.update = function (from, to, text, origin) {
+ if (from) { obj.from = clipPos(doc, from); }
+ if (to) { obj.to = clipPos(doc, to); }
+ if (text) { obj.text = text; }
+ if (origin !== undefined) { obj.origin = origin; }
+ }; }
+ signal(doc, "beforeChange", doc, obj);
+ if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }
+
+ if (obj.canceled) { return null }
+ return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
+}
+
+// Apply a change to a document, and add it to the document's
+// history, and propagating it to all linked documents.
+function makeChange(doc, change, ignoreReadOnly) {
+ if (doc.cm) {
+ if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
+ if (doc.cm.state.suppressEdits) { return }
+ }
+
+ if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
+ change = filterChange(doc, change, true);
+ if (!change) { return }
+ }
+
+ // Possibly split or suppress the update based on the presence
+ // of read-only spans in its range.
+ var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
+ if (split) {
+ for (var i = split.length - 1; i >= 0; --i)
+ { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }
+ } else {
+ makeChangeInner(doc, change);
+ }
+}
+
+function makeChangeInner(doc, change) {
+ if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
+ var selAfter = computeSelAfterChange(doc, change);
+ addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
+
+ makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
+ var rebased = [];
+
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
+ });
+}
+
+// Revert a change stored in a document's history.
+function makeChangeFromHistory(doc, type, allowSelectionOnly) {
+ if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return }
+
+ var hist = doc.history, event, selAfter = doc.sel;
+ var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
+
+ // Verify that there is a useable event (so that ctrl-z won't
+ // needlessly clear selection events)
+ var i = 0;
+ for (; i < source.length; i++) {
+ event = source[i];
+ if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
+ { break }
+ }
+ if (i == source.length) { return }
+ hist.lastOrigin = hist.lastSelOrigin = null;
+
+ for (;;) {
+ event = source.pop();
+ if (event.ranges) {
+ pushSelectionToHistory(event, dest);
+ if (allowSelectionOnly && !event.equals(doc.sel)) {
+ setSelection(doc, event, {clearRedo: false});
+ return
+ }
+ selAfter = event;
+ }
+ else { break }
+ }
+
+ // Build up a reverse change object to add to the opposite history
+ // stack (redo when undoing, and vice versa).
+ var antiChanges = [];
+ pushSelectionToHistory(selAfter, dest);
+ dest.push({changes: antiChanges, generation: hist.generation});
+ hist.generation = event.generation || ++hist.maxGeneration;
+
+ var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
+
+ var loop = function ( i ) {
+ var change = event.changes[i];
+ change.origin = type;
+ if (filter && !filterChange(doc, change, false)) {
+ source.length = 0;
+ return {}
+ }
+
+ antiChanges.push(historyChangeFromChange(doc, change));
+
+ var after = i ? computeSelAfterChange(doc, change) : lst(source);
+ makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
+ if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }
+ var rebased = [];
+
+ // Propagate to the linked documents
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
+ });
+ };
+
+ for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
+ var returned = loop( i$1 );
+
+ if ( returned ) return returned.v;
+ }
+}
+
+// Sub-views need their line numbers shifted when text is added
+// above or below them in the parent document.
+function shiftDoc(doc, distance) {
+ if (distance == 0) { return }
+ doc.first += distance;
+ doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
+ Pos(range.anchor.line + distance, range.anchor.ch),
+ Pos(range.head.line + distance, range.head.ch)
+ ); }), doc.sel.primIndex);
+ if (doc.cm) {
+ regChange(doc.cm, doc.first, doc.first - distance, distance);
+ for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
+ { regLineChange(doc.cm, l, "gutter"); }
+ }
+}
+
+// More lower-level change function, handling only a single document
+// (not linked ones).
+function makeChangeSingleDoc(doc, change, selAfter, spans) {
+ if (doc.cm && !doc.cm.curOp)
+ { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }
+
+ if (change.to.line < doc.first) {
+ shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
+ return
+ }
+ if (change.from.line > doc.lastLine()) { return }
+
+ // Clip the change to the size of this doc
+ if (change.from.line < doc.first) {
+ var shift = change.text.length - 1 - (doc.first - change.from.line);
+ shiftDoc(doc, shift);
+ change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
+ text: [lst(change.text)], origin: change.origin};
+ }
+ var last = doc.lastLine();
+ if (change.to.line > last) {
+ change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
+ text: [change.text[0]], origin: change.origin};
+ }
+
+ change.removed = getBetween(doc, change.from, change.to);
+
+ if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }
+ if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }
+ else { updateDoc(doc, change, spans); }
+ setSelectionNoUndo(doc, selAfter, sel_dontScroll);
+}
+
+// Handle the interaction of a change to a document with the editor
+// that this document is part of.
+function makeChangeSingleDocInEditor(cm, change, spans) {
+ var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
+
+ var recomputeMaxLength = false, checkWidthStart = from.line;
+ if (!cm.options.lineWrapping) {
+ checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
+ doc.iter(checkWidthStart, to.line + 1, function (line) {
+ if (line == display.maxLine) {
+ recomputeMaxLength = true;
+ return true
+ }
+ });
+ }
+
+ if (doc.sel.contains(change.from, change.to) > -1)
+ { signalCursorActivity(cm); }
+
+ updateDoc(doc, change, spans, estimateHeight(cm));
+
+ if (!cm.options.lineWrapping) {
+ doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
+ var len = lineLength(line);
+ if (len > display.maxLineLength) {
+ display.maxLine = line;
+ display.maxLineLength = len;
+ display.maxLineChanged = true;
+ recomputeMaxLength = false;
+ }
+ });
+ if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
+ }
+
+ retreatFrontier(doc, from.line);
+ startWorker(cm, 400);
+
+ var lendiff = change.text.length - (to.line - from.line) - 1;
+ // Remember that these lines changed, for updating the display
+ if (change.full)
+ { regChange(cm); }
+ else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
+ { regLineChange(cm, from.line, "text"); }
+ else
+ { regChange(cm, from.line, to.line + 1, lendiff); }
+
+ var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
+ if (changeHandler || changesHandler) {
+ var obj = {
+ from: from, to: to,
+ text: change.text,
+ removed: change.removed,
+ origin: change.origin
+ };
+ if (changeHandler) { signalLater(cm, "change", cm, obj); }
+ if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
+ }
+ cm.display.selForContextMenu = null;
+}
+
+function replaceRange(doc, code, from, to, origin) {
+ if (!to) { to = from; }
+ if (cmp(to, from) < 0) { var assign;
+ (assign = [to, from], from = assign[0], to = assign[1], assign); }
+ if (typeof code == "string") { code = doc.splitLines(code); }
+ makeChange(doc, {from: from, to: to, text: code, origin: origin});
+}
+
+// Rebasing/resetting history to deal with externally-sourced changes
+
+function rebaseHistSelSingle(pos, from, to, diff) {
+ if (to < pos.line) {
+ pos.line += diff;
+ } else if (from < pos.line) {
+ pos.line = from;
+ pos.ch = 0;
+ }
+}
+
+// Tries to rebase an array of history events given a change in the
+// document. If the change touches the same lines as the event, the
+// event, and everything 'behind' it, is discarded. If the change is
+// before the event, the event's positions are updated. Uses a
+// copy-on-write scheme for the positions, to avoid having to
+// reallocate them all on every rebase, but also avoid problems with
+// shared position objects being unsafely updated.
+function rebaseHistArray(array, from, to, diff) {
+ for (var i = 0; i < array.length; ++i) {
+ var sub = array[i], ok = true;
+ if (sub.ranges) {
+ if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
+ for (var j = 0; j < sub.ranges.length; j++) {
+ rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
+ rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
+ }
+ continue
+ }
+ for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
+ var cur = sub.changes[j$1];
+ if (to < cur.from.line) {
+ cur.from = Pos(cur.from.line + diff, cur.from.ch);
+ cur.to = Pos(cur.to.line + diff, cur.to.ch);
+ } else if (from <= cur.to.line) {
+ ok = false;
+ break
+ }
+ }
+ if (!ok) {
+ array.splice(0, i + 1);
+ i = 0;
+ }
+ }
+}
+
+function rebaseHist(hist, change) {
+ var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
+ rebaseHistArray(hist.done, from, to, diff);
+ rebaseHistArray(hist.undone, from, to, diff);
+}
+
+// Utility for applying a change to a line by handle or number,
+// returning the number and optionally registering the line as
+// changed.
+function changeLine(doc, handle, changeType, op) {
+ var no = handle, line = handle;
+ if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }
+ else { no = lineNo(handle); }
+ if (no == null) { return null }
+ if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }
+ return line
+}
+
+// The document is represented as a BTree consisting of leaves, with
+// chunk of lines in them, and branches, with up to ten leaves or
+// other branch nodes below them. The top node is always a branch
+// node, and is the document object itself (meaning it has
+// additional methods and properties).
+//
+// All nodes have parent links. The tree is used both to go from
+// line numbers to line objects, and to go from objects to numbers.
+// It also indexes by height, and is used to convert between height
+// and line object, and to find the total height of the document.
+//
+// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
+
+function LeafChunk(lines) {
+ var this$1 = this;
+
+ this.lines = lines;
+ this.parent = null;
+ var height = 0;
+ for (var i = 0; i < lines.length; ++i) {
+ lines[i].parent = this$1;
+ height += lines[i].height;
+ }
+ this.height = height;
+}
+
+LeafChunk.prototype = {
+ chunkSize: function chunkSize() { return this.lines.length },
+
+ // Remove the n lines at offset 'at'.
+ removeInner: function removeInner(at, n) {
+ var this$1 = this;
+
+ for (var i = at, e = at + n; i < e; ++i) {
+ var line = this$1.lines[i];
+ this$1.height -= line.height;
+ cleanUpLine(line);
+ signalLater(line, "delete");
+ }
+ this.lines.splice(at, n);
+ },
+
+ // Helper used to collapse a small branch into a single leaf.
+ collapse: function collapse(lines) {
+ lines.push.apply(lines, this.lines);
+ },
+
+ // Insert the given array of lines at offset 'at', count them as
+ // having the given height.
+ insertInner: function insertInner(at, lines, height) {
+ var this$1 = this;
+
+ this.height += height;
+ this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
+ for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }
+ },
+
+ // Used to iterate over a part of the tree.
+ iterN: function iterN(at, n, op) {
+ var this$1 = this;
+
+ for (var e = at + n; at < e; ++at)
+ { if (op(this$1.lines[at])) { return true } }
+ }
+};
+
+function BranchChunk(children) {
+ var this$1 = this;
+
+ this.children = children;
+ var size = 0, height = 0;
+ for (var i = 0; i < children.length; ++i) {
+ var ch = children[i];
+ size += ch.chunkSize(); height += ch.height;
+ ch.parent = this$1;
+ }
+ this.size = size;
+ this.height = height;
+ this.parent = null;
+}
+
+BranchChunk.prototype = {
+ chunkSize: function chunkSize() { return this.size },
+
+ removeInner: function removeInner(at, n) {
+ var this$1 = this;
+
+ this.size -= n;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var rm = Math.min(n, sz - at), oldHeight = child.height;
+ child.removeInner(at, rm);
+ this$1.height -= oldHeight - child.height;
+ if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }
+ if ((n -= rm) == 0) { break }
+ at = 0;
+ } else { at -= sz; }
+ }
+ // If the result is smaller than 25 lines, ensure that it is a
+ // single leaf node.
+ if (this.size - n < 25 &&
+ (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
+ var lines = [];
+ this.collapse(lines);
+ this.children = [new LeafChunk(lines)];
+ this.children[0].parent = this;
+ }
+ },
+
+ collapse: function collapse(lines) {
+ var this$1 = this;
+
+ for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }
+ },
+
+ insertInner: function insertInner(at, lines, height) {
+ var this$1 = this;
+
+ this.size += lines.length;
+ this.height += height;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at <= sz) {
+ child.insertInner(at, lines, height);
+ if (child.lines && child.lines.length > 50) {
+ // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
+ // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
+ var remaining = child.lines.length % 25 + 25;
+ for (var pos = remaining; pos < child.lines.length;) {
+ var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
+ child.height -= leaf.height;
+ this$1.children.splice(++i, 0, leaf);
+ leaf.parent = this$1;
+ }
+ child.lines = child.lines.slice(0, remaining);
+ this$1.maybeSpill();
+ }
+ break
+ }
+ at -= sz;
+ }
+ },
+
+ // When a node has grown, check whether it should be split.
+ maybeSpill: function maybeSpill() {
+ if (this.children.length <= 10) { return }
+ var me = this;
+ do {
+ var spilled = me.children.splice(me.children.length - 5, 5);
+ var sibling = new BranchChunk(spilled);
+ if (!me.parent) { // Become the parent node
+ var copy = new BranchChunk(me.children);
+ copy.parent = me;
+ me.children = [copy, sibling];
+ me = copy;
+ } else {
+ me.size -= sibling.size;
+ me.height -= sibling.height;
+ var myIndex = indexOf(me.parent.children, me);
+ me.parent.children.splice(myIndex + 1, 0, sibling);
+ }
+ sibling.parent = me.parent;
+ } while (me.children.length > 10)
+ me.parent.maybeSpill();
+ },
+
+ iterN: function iterN(at, n, op) {
+ var this$1 = this;
+
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var used = Math.min(n, sz - at);
+ if (child.iterN(at, used, op)) { return true }
+ if ((n -= used) == 0) { break }
+ at = 0;
+ } else { at -= sz; }
+ }
+ }
+};
+
+// Line widgets are block elements displayed above or below a line.
+
+var LineWidget = function(doc, node, options) {
+ var this$1 = this;
+
+ if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
+ { this$1[opt] = options[opt]; } } }
+ this.doc = doc;
+ this.node = node;
+};
+
+LineWidget.prototype.clear = function () {
+ var this$1 = this;
+
+ var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
+ if (no == null || !ws) { return }
+ for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }
+ if (!ws.length) { line.widgets = null; }
+ var height = widgetHeight(this);
+ updateLineHeight(line, Math.max(0, line.height - height));
+ if (cm) {
+ runInOp(cm, function () {
+ adjustScrollWhenAboveVisible(cm, line, -height);
+ regLineChange(cm, no, "widget");
+ });
+ signalLater(cm, "lineWidgetCleared", cm, this, no);
+ }
+};
+
+LineWidget.prototype.changed = function () {
+ var this$1 = this;
+
+ var oldH = this.height, cm = this.doc.cm, line = this.line;
+ this.height = null;
+ var diff = widgetHeight(this) - oldH;
+ if (!diff) { return }
+ updateLineHeight(line, line.height + diff);
+ if (cm) {
+ runInOp(cm, function () {
+ cm.curOp.forceUpdate = true;
+ adjustScrollWhenAboveVisible(cm, line, diff);
+ signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));
+ });
+ }
+};
+eventMixin(LineWidget);
+
+function adjustScrollWhenAboveVisible(cm, line, diff) {
+ if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
+ { addToScrollTop(cm, diff); }
+}
+
+function addLineWidget(doc, handle, node, options) {
+ var widget = new LineWidget(doc, node, options);
+ var cm = doc.cm;
+ if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
+ changeLine(doc, handle, "widget", function (line) {
+ var widgets = line.widgets || (line.widgets = []);
+ if (widget.insertAt == null) { widgets.push(widget); }
+ else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }
+ widget.line = line;
+ if (cm && !lineIsHidden(doc, line)) {
+ var aboveVisible = heightAtLine(line) < doc.scrollTop;
+ updateLineHeight(line, line.height + widgetHeight(widget));
+ if (aboveVisible) { addToScrollTop(cm, widget.height); }
+ cm.curOp.forceUpdate = true;
+ }
+ return true
+ });
+ signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle));
+ return widget
+}
+
+// TEXTMARKERS
+
+// Created with markText and setBookmark methods. A TextMarker is a
+// handle that can be used to clear or find a marked position in the
+// document. Line objects hold arrays (markedSpans) containing
+// {from, to, marker} object pointing to such marker objects, and
+// indicating that such a marker is present on that line. Multiple
+// lines may point to the same marker when it spans across lines.
+// The spans will have null for their from/to properties when the
+// marker continues beyond the start/end of the line. Markers have
+// links back to the lines they currently touch.
+
+// Collapsed markers have unique ids, in order to be able to order
+// them, which is needed for uniquely determining an outer marker
+// when they overlap (they may nest, but not partially overlap).
+var nextMarkerId = 0;
+
+var TextMarker = function(doc, type) {
+ this.lines = [];
+ this.type = type;
+ this.doc = doc;
+ this.id = ++nextMarkerId;
+};
+
+// Clear the marker.
+TextMarker.prototype.clear = function () {
+ var this$1 = this;
+
+ if (this.explicitlyCleared) { return }
+ var cm = this.doc.cm, withOp = cm && !cm.curOp;
+ if (withOp) { startOperation(cm); }
+ if (hasHandler(this, "clear")) {
+ var found = this.find();
+ if (found) { signalLater(this, "clear", found.from, found.to); }
+ }
+ var min = null, max = null;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this$1);
+ if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); }
+ else if (cm) {
+ if (span.to != null) { max = lineNo(line); }
+ if (span.from != null) { min = lineNo(line); }
+ }
+ line.markedSpans = removeMarkedSpan(line.markedSpans, span);
+ if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)
+ { updateLineHeight(line, textHeight(cm.display)); }
+ }
+ if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
+ var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);
+ if (len > cm.display.maxLineLength) {
+ cm.display.maxLine = visual;
+ cm.display.maxLineLength = len;
+ cm.display.maxLineChanged = true;
+ }
+ } }
+
+ if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }
+ this.lines.length = 0;
+ this.explicitlyCleared = true;
+ if (this.atomic && this.doc.cantEdit) {
+ this.doc.cantEdit = false;
+ if (cm) { reCheckSelection(cm.doc); }
+ }
+ if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }
+ if (withOp) { endOperation(cm); }
+ if (this.parent) { this.parent.clear(); }
+};
+
+// Find the position of the marker in the document. Returns a {from,
+// to} object by default. Side can be passed to get a specific side
+// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
+// Pos objects returned contain a line object, rather than a line
+// number (used to prevent looking up the same line twice).
+TextMarker.prototype.find = function (side, lineObj) {
+ var this$1 = this;
+
+ if (side == null && this.type == "bookmark") { side = 1; }
+ var from, to;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this$1);
+ if (span.from != null) {
+ from = Pos(lineObj ? line : lineNo(line), span.from);
+ if (side == -1) { return from }
+ }
+ if (span.to != null) {
+ to = Pos(lineObj ? line : lineNo(line), span.to);
+ if (side == 1) { return to }
+ }
+ }
+ return from && {from: from, to: to}
+};
+
+// Signals that the marker's widget changed, and surrounding layout
+// should be recomputed.
+TextMarker.prototype.changed = function () {
+ var this$1 = this;
+
+ var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
+ if (!pos || !cm) { return }
+ runInOp(cm, function () {
+ var line = pos.line, lineN = lineNo(pos.line);
+ var view = findViewForLine(cm, lineN);
+ if (view) {
+ clearLineMeasurementCacheFor(view);
+ cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
+ }
+ cm.curOp.updateMaxLine = true;
+ if (!lineIsHidden(widget.doc, line) && widget.height != null) {
+ var oldHeight = widget.height;
+ widget.height = null;
+ var dHeight = widgetHeight(widget) - oldHeight;
+ if (dHeight)
+ { updateLineHeight(line, line.height + dHeight); }
+ }
+ signalLater(cm, "markerChanged", cm, this$1);
+ });
+};
+
+TextMarker.prototype.attachLine = function (line) {
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp;
+ if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
+ { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }
+ }
+ this.lines.push(line);
+};
+
+TextMarker.prototype.detachLine = function (line) {
+ this.lines.splice(indexOf(this.lines, line), 1);
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
+ }
+};
+eventMixin(TextMarker);
+
+// Create a marker, wire it up to the right lines, and
+function markText(doc, from, to, options, type) {
+ // Shared markers (across linked documents) are handled separately
+ // (markTextShared will call out to this again, once per
+ // document).
+ if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
+ // Ensure we are in an operation.
+ if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }
+
+ var marker = new TextMarker(doc, type), diff = cmp(from, to);
+ if (options) { copyObj(options, marker, false); }
+ // Don't connect empty markers unless clearWhenEmpty is false
+ if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
+ { return marker }
+ if (marker.replacedWith) {
+ // Showing up as a widget implies collapsed (widget replaces text)
+ marker.collapsed = true;
+ marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
+ if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }
+ if (options.insertLeft) { marker.widgetNode.insertLeft = true; }
+ }
+ if (marker.collapsed) {
+ if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
+ from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
+ { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
+ seeCollapsedSpans();
+ }
+
+ if (marker.addToHistory)
+ { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }
+
+ var curLine = from.line, cm = doc.cm, updateMaxLine;
+ doc.iter(curLine, to.line + 1, function (line) {
+ if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
+ { updateMaxLine = true; }
+ if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }
+ addMarkedSpan(line, new MarkedSpan(marker,
+ curLine == from.line ? from.ch : null,
+ curLine == to.line ? to.ch : null));
+ ++curLine;
+ });
+ // lineIsHidden depends on the presence of the spans, so needs a second pass
+ if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
+ if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }
+ }); }
+
+ if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }
+
+ if (marker.readOnly) {
+ seeReadOnlySpans();
+ if (doc.history.done.length || doc.history.undone.length)
+ { doc.clearHistory(); }
+ }
+ if (marker.collapsed) {
+ marker.id = ++nextMarkerId;
+ marker.atomic = true;
+ }
+ if (cm) {
+ // Sync editor state
+ if (updateMaxLine) { cm.curOp.updateMaxLine = true; }
+ if (marker.collapsed)
+ { regChange(cm, from.line, to.line + 1); }
+ else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
+ { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }
+ if (marker.atomic) { reCheckSelection(cm.doc); }
+ signalLater(cm, "markerAdded", cm, marker);
+ }
+ return marker
+}
+
+// SHARED TEXTMARKERS
+
+// A shared marker spans multiple linked documents. It is
+// implemented as a meta-marker-object controlling multiple normal
+// markers.
+var SharedTextMarker = function(markers, primary) {
+ var this$1 = this;
+
+ this.markers = markers;
+ this.primary = primary;
+ for (var i = 0; i < markers.length; ++i)
+ { markers[i].parent = this$1; }
+};
+
+SharedTextMarker.prototype.clear = function () {
+ var this$1 = this;
+
+ if (this.explicitlyCleared) { return }
+ this.explicitlyCleared = true;
+ for (var i = 0; i < this.markers.length; ++i)
+ { this$1.markers[i].clear(); }
+ signalLater(this, "clear");
+};
+
+SharedTextMarker.prototype.find = function (side, lineObj) {
+ return this.primary.find(side, lineObj)
+};
+eventMixin(SharedTextMarker);
+
+function markTextShared(doc, from, to, options, type) {
+ options = copyObj(options);
+ options.shared = false;
+ var markers = [markText(doc, from, to, options, type)], primary = markers[0];
+ var widget = options.widgetNode;
+ linkedDocs(doc, function (doc) {
+ if (widget) { options.widgetNode = widget.cloneNode(true); }
+ markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
+ for (var i = 0; i < doc.linked.length; ++i)
+ { if (doc.linked[i].isParent) { return } }
+ primary = lst(markers);
+ });
+ return new SharedTextMarker(markers, primary)
+}
+
+function findSharedMarkers(doc) {
+ return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
+}
+
+function copySharedMarkers(doc, markers) {
+ for (var i = 0; i < markers.length; i++) {
+ var marker = markers[i], pos = marker.find();
+ var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
+ if (cmp(mFrom, mTo)) {
+ var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
+ marker.markers.push(subMark);
+ subMark.parent = marker;
+ }
+ }
+}
+
+function detachSharedMarkers(markers) {
+ var loop = function ( i ) {
+ var marker = markers[i], linked = [marker.primary.doc];
+ linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });
+ for (var j = 0; j < marker.markers.length; j++) {
+ var subMarker = marker.markers[j];
+ if (indexOf(linked, subMarker.doc) == -1) {
+ subMarker.parent = null;
+ marker.markers.splice(j--, 1);
+ }
+ }
+ };
+
+ for (var i = 0; i < markers.length; i++) loop( i );
+}
+
+var nextDocId = 0;
+var Doc = function(text, mode, firstLine, lineSep, direction) {
+ if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
+ if (firstLine == null) { firstLine = 0; }
+
+ BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
+ this.first = firstLine;
+ this.scrollTop = this.scrollLeft = 0;
+ this.cantEdit = false;
+ this.cleanGeneration = 1;
+ this.modeFrontier = this.highlightFrontier = firstLine;
+ var start = Pos(firstLine, 0);
+ this.sel = simpleSelection(start);
+ this.history = new History(null);
+ this.id = ++nextDocId;
+ this.modeOption = mode;
+ this.lineSep = lineSep;
+ this.direction = (direction == "rtl") ? "rtl" : "ltr";
+ this.extend = false;
+
+ if (typeof text == "string") { text = this.splitLines(text); }
+ updateDoc(this, {from: start, to: start, text: text});
+ setSelection(this, simpleSelection(start), sel_dontScroll);
+};
+
+Doc.prototype = createObj(BranchChunk.prototype, {
+ constructor: Doc,
+ // Iterate over the document. Supports two forms -- with only one
+ // argument, it calls that for each line in the document. With
+ // three, it iterates over the range given by the first two (with
+ // the second being non-inclusive).
+ iter: function(from, to, op) {
+ if (op) { this.iterN(from - this.first, to - from, op); }
+ else { this.iterN(this.first, this.first + this.size, from); }
+ },
+
+ // Non-public interface for adding and removing lines.
+ insert: function(at, lines) {
+ var height = 0;
+ for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }
+ this.insertInner(at - this.first, lines, height);
+ },
+ remove: function(at, n) { this.removeInner(at - this.first, n); },
+
+ // From here, the methods are part of the public interface. Most
+ // are also available from CodeMirror (editor) instances.
+
+ getValue: function(lineSep) {
+ var lines = getLines(this, this.first, this.first + this.size);
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
+ setValue: docMethodOp(function(code) {
+ var top = Pos(this.first, 0), last = this.first + this.size - 1;
+ makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
+ text: this.splitLines(code), origin: "setValue", full: true}, true);
+ if (this.cm) { scrollToCoords(this.cm, 0, 0); }
+ setSelection(this, simpleSelection(top), sel_dontScroll);
+ }),
+ replaceRange: function(code, from, to, origin) {
+ from = clipPos(this, from);
+ to = to ? clipPos(this, to) : from;
+ replaceRange(this, code, from, to, origin);
+ },
+ getRange: function(from, to, lineSep) {
+ var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
+
+ getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},
+
+ getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
+ getLineNumber: function(line) {return lineNo(line)},
+
+ getLineHandleVisualStart: function(line) {
+ if (typeof line == "number") { line = getLine(this, line); }
+ return visualLine(line)
+ },
+
+ lineCount: function() {return this.size},
+ firstLine: function() {return this.first},
+ lastLine: function() {return this.first + this.size - 1},
+
+ clipPos: function(pos) {return clipPos(this, pos)},
+
+ getCursor: function(start) {
+ var range$$1 = this.sel.primary(), pos;
+ if (start == null || start == "head") { pos = range$$1.head; }
+ else if (start == "anchor") { pos = range$$1.anchor; }
+ else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); }
+ else { pos = range$$1.from(); }
+ return pos
+ },
+ listSelections: function() { return this.sel.ranges },
+ somethingSelected: function() {return this.sel.somethingSelected()},
+
+ setCursor: docMethodOp(function(line, ch, options) {
+ setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
+ }),
+ setSelection: docMethodOp(function(anchor, head, options) {
+ setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
+ }),
+ extendSelection: docMethodOp(function(head, other, options) {
+ extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
+ }),
+ extendSelections: docMethodOp(function(heads, options) {
+ extendSelections(this, clipPosArray(this, heads), options);
+ }),
+ extendSelectionsBy: docMethodOp(function(f, options) {
+ var heads = map(this.sel.ranges, f);
+ extendSelections(this, clipPosArray(this, heads), options);
+ }),
+ setSelections: docMethodOp(function(ranges, primary, options) {
+ var this$1 = this;
+
+ if (!ranges.length) { return }
+ var out = [];
+ for (var i = 0; i < ranges.length; i++)
+ { out[i] = new Range(clipPos(this$1, ranges[i].anchor),
+ clipPos(this$1, ranges[i].head)); }
+ if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }
+ setSelection(this, normalizeSelection(out, primary), options);
+ }),
+ addSelection: docMethodOp(function(anchor, head, options) {
+ var ranges = this.sel.ranges.slice(0);
+ ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
+ setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
+ }),
+
+ getSelection: function(lineSep) {
+ var this$1 = this;
+
+ var ranges = this.sel.ranges, lines;
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+ lines = lines ? lines.concat(sel) : sel;
+ }
+ if (lineSep === false) { return lines }
+ else { return lines.join(lineSep || this.lineSeparator()) }
+ },
+ getSelections: function(lineSep) {
+ var this$1 = this;
+
+ var parts = [], ranges = this.sel.ranges;
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+ if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }
+ parts[i] = sel;
+ }
+ return parts
+ },
+ replaceSelection: function(code, collapse, origin) {
+ var dup = [];
+ for (var i = 0; i < this.sel.ranges.length; i++)
+ { dup[i] = code; }
+ this.replaceSelections(dup, collapse, origin || "+input");
+ },
+ replaceSelections: docMethodOp(function(code, collapse, origin) {
+ var this$1 = this;
+
+ var changes = [], sel = this.sel;
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range$$1 = sel.ranges[i];
+ changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};
+ }
+ var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
+ for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
+ { makeChange(this$1, changes[i$1]); }
+ if (newSel) { setSelectionReplaceHistory(this, newSel); }
+ else if (this.cm) { ensureCursorVisible(this.cm); }
+ }),
+ undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
+ redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
+ undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
+ redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
+
+ setExtending: function(val) {this.extend = val;},
+ getExtending: function() {return this.extend},
+
+ historySize: function() {
+ var hist = this.history, done = 0, undone = 0;
+ for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }
+ for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }
+ return {undo: done, redo: undone}
+ },
+ clearHistory: function() {this.history = new History(this.history.maxGeneration);},
+
+ markClean: function() {
+ this.cleanGeneration = this.changeGeneration(true);
+ },
+ changeGeneration: function(forceSplit) {
+ if (forceSplit)
+ { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }
+ return this.history.generation
+ },
+ isClean: function (gen) {
+ return this.history.generation == (gen || this.cleanGeneration)
+ },
+
+ getHistory: function() {
+ return {done: copyHistoryArray(this.history.done),
+ undone: copyHistoryArray(this.history.undone)}
+ },
+ setHistory: function(histData) {
+ var hist = this.history = new History(this.history.maxGeneration);
+ hist.done = copyHistoryArray(histData.done.slice(0), null, true);
+ hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
+ },
+
+ setGutterMarker: docMethodOp(function(line, gutterID, value) {
+ return changeLine(this, line, "gutter", function (line) {
+ var markers = line.gutterMarkers || (line.gutterMarkers = {});
+ markers[gutterID] = value;
+ if (!value && isEmpty(markers)) { line.gutterMarkers = null; }
+ return true
+ })
+ }),
+
+ clearGutter: docMethodOp(function(gutterID) {
+ var this$1 = this;
+
+ this.iter(function (line) {
+ if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
+ changeLine(this$1, line, "gutter", function () {
+ line.gutterMarkers[gutterID] = null;
+ if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }
+ return true
+ });
+ }
+ });
+ }),
+
+ lineInfo: function(line) {
+ var n;
+ if (typeof line == "number") {
+ if (!isLine(this, line)) { return null }
+ n = line;
+ line = getLine(this, line);
+ if (!line) { return null }
+ } else {
+ n = lineNo(line);
+ if (n == null) { return null }
+ }
+ return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
+ textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
+ widgets: line.widgets}
+ },
+
+ addLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass";
+ if (!line[prop]) { line[prop] = cls; }
+ else if (classTest(cls).test(line[prop])) { return false }
+ else { line[prop] += " " + cls; }
+ return true
+ })
+ }),
+ removeLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass";
+ var cur = line[prop];
+ if (!cur) { return false }
+ else if (cls == null) { line[prop] = null; }
+ else {
+ var found = cur.match(classTest(cls));
+ if (!found) { return false }
+ var end = found.index + found[0].length;
+ line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
+ }
+ return true
+ })
+ }),
+
+ addLineWidget: docMethodOp(function(handle, node, options) {
+ return addLineWidget(this, handle, node, options)
+ }),
+ removeLineWidget: function(widget) { widget.clear(); },
+
+ markText: function(from, to, options) {
+ return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
+ },
+ setBookmark: function(pos, options) {
+ var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
+ insertLeft: options && options.insertLeft,
+ clearWhenEmpty: false, shared: options && options.shared,
+ handleMouseEvents: options && options.handleMouseEvents};
+ pos = clipPos(this, pos);
+ return markText(this, pos, pos, realOpts, "bookmark")
+ },
+ findMarksAt: function(pos) {
+ pos = clipPos(this, pos);
+ var markers = [], spans = getLine(this, pos.line).markedSpans;
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if ((span.from == null || span.from <= pos.ch) &&
+ (span.to == null || span.to >= pos.ch))
+ { markers.push(span.marker.parent || span.marker); }
+ } }
+ return markers
+ },
+ findMarks: function(from, to, filter) {
+ from = clipPos(this, from); to = clipPos(this, to);
+ var found = [], lineNo$$1 = from.line;
+ this.iter(from.line, to.line + 1, function (line) {
+ var spans = line.markedSpans;
+ if (spans) { for (var i = 0; i < spans.length; i++) {
+ var span = spans[i];
+ if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||
+ span.from == null && lineNo$$1 != from.line ||
+ span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&
+ (!filter || filter(span.marker)))
+ { found.push(span.marker.parent || span.marker); }
+ } }
+ ++lineNo$$1;
+ });
+ return found
+ },
+ getAllMarks: function() {
+ var markers = [];
+ this.iter(function (line) {
+ var sps = line.markedSpans;
+ if (sps) { for (var i = 0; i < sps.length; ++i)
+ { if (sps[i].from != null) { markers.push(sps[i].marker); } } }
+ });
+ return markers
+ },
+
+ posFromIndex: function(off) {
+ var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;
+ this.iter(function (line) {
+ var sz = line.text.length + sepSize;
+ if (sz > off) { ch = off; return true }
+ off -= sz;
+ ++lineNo$$1;
+ });
+ return clipPos(this, Pos(lineNo$$1, ch))
+ },
+ indexFromPos: function (coords) {
+ coords = clipPos(this, coords);
+ var index = coords.ch;
+ if (coords.line < this.first || coords.ch < 0) { return 0 }
+ var sepSize = this.lineSeparator().length;
+ this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
+ index += line.text.length + sepSize;
+ });
+ return index
+ },
+
+ copy: function(copyHistory) {
+ var doc = new Doc(getLines(this, this.first, this.first + this.size),
+ this.modeOption, this.first, this.lineSep, this.direction);
+ doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
+ doc.sel = this.sel;
+ doc.extend = false;
+ if (copyHistory) {
+ doc.history.undoDepth = this.history.undoDepth;
+ doc.setHistory(this.getHistory());
+ }
+ return doc
+ },
+
+ linkedDoc: function(options) {
+ if (!options) { options = {}; }
+ var from = this.first, to = this.first + this.size;
+ if (options.from != null && options.from > from) { from = options.from; }
+ if (options.to != null && options.to < to) { to = options.to; }
+ var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
+ if (options.sharedHist) { copy.history = this.history
+ ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
+ copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
+ copySharedMarkers(copy, findSharedMarkers(this));
+ return copy
+ },
+ unlinkDoc: function(other) {
+ var this$1 = this;
+
+ if (other instanceof CodeMirror$1) { other = other.doc; }
+ if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
+ var link = this$1.linked[i];
+ if (link.doc != other) { continue }
+ this$1.linked.splice(i, 1);
+ other.unlinkDoc(this$1);
+ detachSharedMarkers(findSharedMarkers(this$1));
+ break
+ } }
+ // If the histories were shared, split them again
+ if (other.history == this.history) {
+ var splitIds = [other.id];
+ linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);
+ other.history = new History(null);
+ other.history.done = copyHistoryArray(this.history.done, splitIds);
+ other.history.undone = copyHistoryArray(this.history.undone, splitIds);
+ }
+ },
+ iterLinkedDocs: function(f) {linkedDocs(this, f);},
+
+ getMode: function() {return this.mode},
+ getEditor: function() {return this.cm},
+
+ splitLines: function(str) {
+ if (this.lineSep) { return str.split(this.lineSep) }
+ return splitLinesAuto(str)
+ },
+ lineSeparator: function() { return this.lineSep || "\n" },
+
+ setDirection: docMethodOp(function (dir) {
+ if (dir != "rtl") { dir = "ltr"; }
+ if (dir == this.direction) { return }
+ this.direction = dir;
+ this.iter(function (line) { return line.order = null; });
+ if (this.cm) { directionChanged(this.cm); }
+ })
+});
+
+// Public alias.
+Doc.prototype.eachLine = Doc.prototype.iter;
+
+// Kludge to work around strange IE behavior where it'll sometimes
+// re-fire a series of drag-related events right after the drop (#1551)
+var lastDrop = 0;
+
+function onDrop(e) {
+ var cm = this;
+ clearDragCursor(cm);
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
+ { return }
+ e_preventDefault(e);
+ if (ie) { lastDrop = +new Date; }
+ var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
+ if (!pos || cm.isReadOnly()) { return }
+ // Might be a file drop, in which case we simply extract the text
+ // and insert it.
+ if (files && files.length && window.FileReader && window.File) {
+ var n = files.length, text = Array(n), read = 0;
+ var loadFile = function (file, i) {
+ if (cm.options.allowDropFileTypes &&
+ indexOf(cm.options.allowDropFileTypes, file.type) == -1)
+ { return }
+
+ var reader = new FileReader;
+ reader.onload = operation(cm, function () {
+ var content = reader.result;
+ if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; }
+ text[i] = content;
+ if (++read == n) {
+ pos = clipPos(cm.doc, pos);
+ var change = {from: pos, to: pos,
+ text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
+ origin: "paste"};
+ makeChange(cm.doc, change);
+ setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
+ }
+ });
+ reader.readAsText(file);
+ };
+ for (var i = 0; i < n; ++i) { loadFile(files[i], i); }
+ } else { // Normal drop
+ // Don't do a replace if the drop happened inside of the selected text.
+ if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
+ cm.state.draggingText(e);
+ // Ensure the editor is re-focused
+ setTimeout(function () { return cm.display.input.focus(); }, 20);
+ return
+ }
+ try {
+ var text$1 = e.dataTransfer.getData("Text");
+ if (text$1) {
+ var selected;
+ if (cm.state.draggingText && !cm.state.draggingText.copy)
+ { selected = cm.listSelections(); }
+ setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
+ if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
+ { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }
+ cm.replaceSelection(text$1, "around", "paste");
+ cm.display.input.focus();
+ }
+ }
+ catch(e){}
+ }
+}
+
+function onDragStart(cm, e) {
+ if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }
+
+ e.dataTransfer.setData("Text", cm.getSelection());
+ e.dataTransfer.effectAllowed = "copyMove";
+
+ // Use dummy image instead of default browsers image.
+ // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
+ if (e.dataTransfer.setDragImage && !safari) {
+ var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
+ img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
+ if (presto) {
+ img.width = img.height = 1;
+ cm.display.wrapper.appendChild(img);
+ // Force a relayout, or Opera won't use our image for some obscure reason
+ img._top = img.offsetTop;
+ }
+ e.dataTransfer.setDragImage(img, 0, 0);
+ if (presto) { img.parentNode.removeChild(img); }
+ }
+}
+
+function onDragOver(cm, e) {
+ var pos = posFromMouse(cm, e);
+ if (!pos) { return }
+ var frag = document.createDocumentFragment();
+ drawSelectionCursor(cm, pos, frag);
+ if (!cm.display.dragCursor) {
+ cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
+ cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
+ }
+ removeChildrenAndAdd(cm.display.dragCursor, frag);
+}
+
+function clearDragCursor(cm) {
+ if (cm.display.dragCursor) {
+ cm.display.lineSpace.removeChild(cm.display.dragCursor);
+ cm.display.dragCursor = null;
+ }
+}
+
+// These must be handled carefully, because naively registering a
+// handler for each editor will cause the editors to never be
+// garbage collected.
+
+function forEachCodeMirror(f) {
+ if (!document.getElementsByClassName) { return }
+ var byClass = document.getElementsByClassName("CodeMirror");
+ for (var i = 0; i < byClass.length; i++) {
+ var cm = byClass[i].CodeMirror;
+ if (cm) { f(cm); }
+ }
+}
+
+var globalsRegistered = false;
+function ensureGlobalHandlers() {
+ if (globalsRegistered) { return }
+ registerGlobalHandlers();
+ globalsRegistered = true;
+}
+function registerGlobalHandlers() {
+ // When the window resizes, we need to refresh active editors.
+ var resizeTimer;
+ on(window, "resize", function () {
+ if (resizeTimer == null) { resizeTimer = setTimeout(function () {
+ resizeTimer = null;
+ forEachCodeMirror(onResize);
+ }, 100); }
+ });
+ // When the window loses focus, we want to show the editor as blurred
+ on(window, "blur", function () { return forEachCodeMirror(onBlur); });
+}
+// Called when the window resizes
+function onResize(cm) {
+ var d = cm.display;
+ if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
+ { return }
+ // Might be a text scaling operation, clear size caches.
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
+ d.scrollbarsClipped = false;
+ cm.setSize();
+}
+
+var keyNames = {
+ 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
+ 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
+ 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
+ 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
+ 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
+ 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
+ 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
+ 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
+};
+
+// Number keys
+for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }
+// Alphabetic keys
+for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }
+// Function keys
+for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }
+
+var keyMap = {};
+
+keyMap.basic = {
+ "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
+ "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
+ "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
+ "Tab": "defaultTab", "Shift-Tab": "indentAuto",
+ "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
+ "Esc": "singleSelection"
+};
+// Note that the save and find-related commands aren't defined by
+// default. User code or addons can define them. Unknown commands
+// are simply ignored.
+keyMap.pcDefault = {
+ "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
+ "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
+ "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
+ "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
+ "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
+ "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
+ "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
+ fallthrough: "basic"
+};
+// Very basic readline/emacs-style bindings, which are standard on Mac.
+keyMap.emacsy = {
+ "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
+ "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
+ "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
+ "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
+ "Ctrl-O": "openLine"
+};
+keyMap.macDefault = {
+ "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
+ "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
+ "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
+ "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
+ "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
+ "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
+ "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
+ fallthrough: ["basic", "emacsy"]
+};
+keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
+
+// KEYMAP DISPATCH
+
+function normalizeKeyName(name) {
+ var parts = name.split(/-(?!$)/);
+ name = parts[parts.length - 1];
+ var alt, ctrl, shift, cmd;
+ for (var i = 0; i < parts.length - 1; i++) {
+ var mod = parts[i];
+ if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }
+ else if (/^a(lt)?$/i.test(mod)) { alt = true; }
+ else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }
+ else if (/^s(hift)?$/i.test(mod)) { shift = true; }
+ else { throw new Error("Unrecognized modifier name: " + mod) }
+ }
+ if (alt) { name = "Alt-" + name; }
+ if (ctrl) { name = "Ctrl-" + name; }
+ if (cmd) { name = "Cmd-" + name; }
+ if (shift) { name = "Shift-" + name; }
+ return name
+}
+
+// This is a kludge to keep keymaps mostly working as raw objects
+// (backwards compatibility) while at the same time support features
+// like normalization and multi-stroke key bindings. It compiles a
+// new normalized keymap, and then updates the old object to reflect
+// this.
+function normalizeKeyMap(keymap) {
+ var copy = {};
+ for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
+ var value = keymap[keyname];
+ if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
+ if (value == "...") { delete keymap[keyname]; continue }
+
+ var keys = map(keyname.split(" "), normalizeKeyName);
+ for (var i = 0; i < keys.length; i++) {
+ var val = (void 0), name = (void 0);
+ if (i == keys.length - 1) {
+ name = keys.join(" ");
+ val = value;
+ } else {
+ name = keys.slice(0, i + 1).join(" ");
+ val = "...";
+ }
+ var prev = copy[name];
+ if (!prev) { copy[name] = val; }
+ else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
+ }
+ delete keymap[keyname];
+ } }
+ for (var prop in copy) { keymap[prop] = copy[prop]; }
+ return keymap
+}
+
+function lookupKey(key, map$$1, handle, context) {
+ map$$1 = getKeyMap(map$$1);
+ var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];
+ if (found === false) { return "nothing" }
+ if (found === "...") { return "multi" }
+ if (found != null && handle(found)) { return "handled" }
+
+ if (map$$1.fallthrough) {
+ if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]")
+ { return lookupKey(key, map$$1.fallthrough, handle, context) }
+ for (var i = 0; i < map$$1.fallthrough.length; i++) {
+ var result = lookupKey(key, map$$1.fallthrough[i], handle, context);
+ if (result) { return result }
+ }
+ }
+}
+
+// Modifier key presses don't count as 'real' key presses for the
+// purpose of keymap fallthrough.
+function isModifierKey(value) {
+ var name = typeof value == "string" ? value : keyNames[value.keyCode];
+ return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
+}
+
+function addModifierNames(name, event, noShift) {
+ var base = name;
+ if (event.altKey && base != "Alt") { name = "Alt-" + name; }
+ if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }
+ if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; }
+ if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }
+ return name
+}
+
+// Look up the name of a key as indicated by an event object.
+function keyName(event, noShift) {
+ if (presto && event.keyCode == 34 && event["char"]) { return false }
+ var name = keyNames[event.keyCode];
+ if (name == null || event.altGraphKey) { return false }
+ return addModifierNames(name, event, noShift)
+}
+
+function getKeyMap(val) {
+ return typeof val == "string" ? keyMap[val] : val
+}
+
+// Helper for deleting text near the selection(s), used to implement
+// backspace, delete, and similar functionality.
+function deleteNearSelection(cm, compute) {
+ var ranges = cm.doc.sel.ranges, kill = [];
+ // Build up a set of ranges to kill first, merging overlapping
+ // ranges.
+ for (var i = 0; i < ranges.length; i++) {
+ var toKill = compute(ranges[i]);
+ while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
+ var replaced = kill.pop();
+ if (cmp(replaced.from, toKill.from) < 0) {
+ toKill.from = replaced.from;
+ break
+ }
+ }
+ kill.push(toKill);
+ }
+ // Next, remove those actual ranges.
+ runInOp(cm, function () {
+ for (var i = kill.length - 1; i >= 0; i--)
+ { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }
+ ensureCursorVisible(cm);
+ });
+}
+
+function moveCharLogically(line, ch, dir) {
+ var target = skipExtendingChars(line.text, ch + dir, dir);
+ return target < 0 || target > line.text.length ? null : target
+}
+
+function moveLogically(line, start, dir) {
+ var ch = moveCharLogically(line, start.ch, dir);
+ return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
+}
+
+function endOfLine(visually, cm, lineObj, lineNo, dir) {
+ if (visually) {
+ var order = getOrder(lineObj, cm.doc.direction);
+ if (order) {
+ var part = dir < 0 ? lst(order) : order[0];
+ var moveInStorageOrder = (dir < 0) == (part.level == 1);
+ var sticky = moveInStorageOrder ? "after" : "before";
+ var ch;
+ // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
+ // it could be that the last bidi part is not on the last visual line,
+ // since visual lines contain content order-consecutive chunks.
+ // Thus, in rtl, we are looking for the first (content-order) character
+ // in the rtl chunk that is on the last line (that is, the same line
+ // as the last (content-order) character).
+ if (part.level > 0) {
+ var prep = prepareMeasureForLine(cm, lineObj);
+ ch = dir < 0 ? lineObj.text.length - 1 : 0;
+ var targetTop = measureCharPrepared(cm, prep, ch).top;
+ ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);
+ if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }
+ } else { ch = dir < 0 ? part.to : part.from; }
+ return new Pos(lineNo, ch, sticky)
+ }
+ }
+ return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
+}
+
+function moveVisually(cm, line, start, dir) {
+ var bidi = getOrder(line, cm.doc.direction);
+ if (!bidi) { return moveLogically(line, start, dir) }
+ if (start.ch >= line.text.length) {
+ start.ch = line.text.length;
+ start.sticky = "before";
+ } else if (start.ch <= 0) {
+ start.ch = 0;
+ start.sticky = "after";
+ }
+ var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
+ if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
+ // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
+ // nothing interesting happens.
+ return moveLogically(line, start, dir)
+ }
+
+ var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };
+ var prep;
+ var getWrappedLineExtent = function (ch) {
+ if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
+ prep = prep || prepareMeasureForLine(cm, line);
+ return wrappedLineExtentChar(cm, line, prep, ch)
+ };
+ var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);
+
+ if (cm.doc.direction == "rtl" || part.level == 1) {
+ var moveInStorageOrder = (part.level == 1) == (dir < 0);
+ var ch = mv(start, moveInStorageOrder ? 1 : -1);
+ if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
+ // Case 2: We move within an rtl part or in an rtl editor on the same visual line
+ var sticky = moveInStorageOrder ? "before" : "after";
+ return new Pos(start.line, ch, sticky)
+ }
+ }
+
+ // Case 3: Could not move within this bidi part in this visual line, so leave
+ // the current bidi part
+
+ var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
+ var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
+ ? new Pos(start.line, mv(ch, 1), "before")
+ : new Pos(start.line, ch, "after"); };
+
+ for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
+ var part = bidi[partPos];
+ var moveInStorageOrder = (dir > 0) == (part.level != 1);
+ var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);
+ if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
+ ch = moveInStorageOrder ? part.from : mv(part.to, -1);
+ if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
+ }
+ };
+
+ // Case 3a: Look for other bidi parts on the same visual line
+ var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);
+ if (res) { return res }
+
+ // Case 3b: Look for other bidi parts on the next visual line
+ var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);
+ if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
+ res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
+ if (res) { return res }
+ }
+
+ // Case 4: Nowhere to move
+ return null
+}
+
+// Commands are parameter-less actions that can be performed on an
+// editor, mostly used for keybindings.
+var commands = {
+ selectAll: selectAll,
+ singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
+ killLine: function (cm) { return deleteNearSelection(cm, function (range) {
+ if (range.empty()) {
+ var len = getLine(cm.doc, range.head.line).text.length;
+ if (range.head.ch == len && range.head.line < cm.lastLine())
+ { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
+ else
+ { return {from: range.head, to: Pos(range.head.line, len)} }
+ } else {
+ return {from: range.from(), to: range.to()}
+ }
+ }); },
+ deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+ from: Pos(range.from().line, 0),
+ to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
+ }); }); },
+ delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+ from: Pos(range.from().line, 0), to: range.from()
+ }); }); },
+ delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
+ var top = cm.charCoords(range.head, "div").top + 5;
+ var leftPos = cm.coordsChar({left: 0, top: top}, "div");
+ return {from: leftPos, to: range.from()}
+ }); },
+ delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
+ var top = cm.charCoords(range.head, "div").top + 5;
+ var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
+ return {from: range.from(), to: rightPos }
+ }); },
+ undo: function (cm) { return cm.undo(); },
+ redo: function (cm) { return cm.redo(); },
+ undoSelection: function (cm) { return cm.undoSelection(); },
+ redoSelection: function (cm) { return cm.redoSelection(); },
+ goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
+ goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
+ goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
+ {origin: "+move", bias: 1}
+ ); },
+ goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
+ {origin: "+move", bias: 1}
+ ); },
+ goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
+ {origin: "+move", bias: -1}
+ ); },
+ goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
+ }, sel_move); },
+ goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ return cm.coordsChar({left: 0, top: top}, "div")
+ }, sel_move); },
+ goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ var pos = cm.coordsChar({left: 0, top: top}, "div");
+ if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
+ return pos
+ }, sel_move); },
+ goLineUp: function (cm) { return cm.moveV(-1, "line"); },
+ goLineDown: function (cm) { return cm.moveV(1, "line"); },
+ goPageUp: function (cm) { return cm.moveV(-1, "page"); },
+ goPageDown: function (cm) { return cm.moveV(1, "page"); },
+ goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
+ goCharRight: function (cm) { return cm.moveH(1, "char"); },
+ goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
+ goColumnRight: function (cm) { return cm.moveH(1, "column"); },
+ goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
+ goGroupRight: function (cm) { return cm.moveH(1, "group"); },
+ goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
+ goWordRight: function (cm) { return cm.moveH(1, "word"); },
+ delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },
+ delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
+ delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
+ delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
+ delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
+ delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
+ indentAuto: function (cm) { return cm.indentSelection("smart"); },
+ indentMore: function (cm) { return cm.indentSelection("add"); },
+ indentLess: function (cm) { return cm.indentSelection("subtract"); },
+ insertTab: function (cm) { return cm.replaceSelection("\t"); },
+ insertSoftTab: function (cm) {
+ var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
+ for (var i = 0; i < ranges.length; i++) {
+ var pos = ranges[i].from();
+ var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
+ spaces.push(spaceStr(tabSize - col % tabSize));
+ }
+ cm.replaceSelections(spaces);
+ },
+ defaultTab: function (cm) {
+ if (cm.somethingSelected()) { cm.indentSelection("add"); }
+ else { cm.execCommand("insertTab"); }
+ },
+ // Swap the two chars left and right of each selection's head.
+ // Move cursor behind the two swapped characters afterwards.
+ //
+ // Doesn't consider line feeds a character.
+ // Doesn't scan more than one line above to find a character.
+ // Doesn't do anything on an empty line.
+ // Doesn't do anything with non-empty selections.
+ transposeChars: function (cm) { return runInOp(cm, function () {
+ var ranges = cm.listSelections(), newSel = [];
+ for (var i = 0; i < ranges.length; i++) {
+ if (!ranges[i].empty()) { continue }
+ var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
+ if (line) {
+ if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }
+ if (cur.ch > 0) {
+ cur = new Pos(cur.line, cur.ch + 1);
+ cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
+ Pos(cur.line, cur.ch - 2), cur, "+transpose");
+ } else if (cur.line > cm.doc.first) {
+ var prev = getLine(cm.doc, cur.line - 1).text;
+ if (prev) {
+ cur = new Pos(cur.line, 1);
+ cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
+ prev.charAt(prev.length - 1),
+ Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
+ }
+ }
+ }
+ newSel.push(new Range(cur, cur));
+ }
+ cm.setSelections(newSel);
+ }); },
+ newlineAndIndent: function (cm) { return runInOp(cm, function () {
+ var sels = cm.listSelections();
+ for (var i = sels.length - 1; i >= 0; i--)
+ { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }
+ sels = cm.listSelections();
+ for (var i$1 = 0; i$1 < sels.length; i$1++)
+ { cm.indentLine(sels[i$1].from().line, null, true); }
+ ensureCursorVisible(cm);
+ }); },
+ openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
+ toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
+};
+
+
+function lineStart(cm, lineN) {
+ var line = getLine(cm.doc, lineN);
+ var visual = visualLine(line);
+ if (visual != line) { lineN = lineNo(visual); }
+ return endOfLine(true, cm, visual, lineN, 1)
+}
+function lineEnd(cm, lineN) {
+ var line = getLine(cm.doc, lineN);
+ var visual = visualLineEnd(line);
+ if (visual != line) { lineN = lineNo(visual); }
+ return endOfLine(true, cm, line, lineN, -1)
+}
+function lineStartSmart(cm, pos) {
+ var start = lineStart(cm, pos.line);
+ var line = getLine(cm.doc, start.line);
+ var order = getOrder(line, cm.doc.direction);
+ if (!order || order[0].level == 0) {
+ var firstNonWS = Math.max(0, line.text.search(/\S/));
+ var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
+ return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
+ }
+ return start
+}
+
+// Run a handler that was bound to a key.
+function doHandleBinding(cm, bound, dropShift) {
+ if (typeof bound == "string") {
+ bound = commands[bound];
+ if (!bound) { return false }
+ }
+ // Ensure previous input has been read, so that the handler sees a
+ // consistent view of the document
+ cm.display.input.ensurePolled();
+ var prevShift = cm.display.shift, done = false;
+ try {
+ if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+ if (dropShift) { cm.display.shift = false; }
+ done = bound(cm) != Pass;
+ } finally {
+ cm.display.shift = prevShift;
+ cm.state.suppressEdits = false;
+ }
+ return done
+}
+
+function lookupKeyForEditor(cm, name, handle) {
+ for (var i = 0; i < cm.state.keyMaps.length; i++) {
+ var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
+ if (result) { return result }
+ }
+ return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
+ || lookupKey(name, cm.options.keyMap, handle, cm)
+}
+
+// Note that, despite the name, this function is also used to check
+// for bound mouse clicks.
+
+var stopSeq = new Delayed;
+function dispatchKey(cm, name, e, handle) {
+ var seq = cm.state.keySeq;
+ if (seq) {
+ if (isModifierKey(name)) { return "handled" }
+ stopSeq.set(50, function () {
+ if (cm.state.keySeq == seq) {
+ cm.state.keySeq = null;
+ cm.display.input.reset();
+ }
+ });
+ name = seq + " " + name;
+ }
+ var result = lookupKeyForEditor(cm, name, handle);
+
+ if (result == "multi")
+ { cm.state.keySeq = name; }
+ if (result == "handled")
+ { signalLater(cm, "keyHandled", cm, name, e); }
+
+ if (result == "handled" || result == "multi") {
+ e_preventDefault(e);
+ restartBlink(cm);
+ }
+
+ if (seq && !result && /\'$/.test(name)) {
+ e_preventDefault(e);
+ return true
+ }
+ return !!result
+}
+
+// Handle a key from the keydown event.
+function handleKeyBinding(cm, e) {
+ var name = keyName(e, true);
+ if (!name) { return false }
+
+ if (e.shiftKey && !cm.state.keySeq) {
+ // First try to resolve full name (including 'Shift-'). Failing
+ // that, see if there is a cursor-motion command (starting with
+ // 'go') bound to the keyname without 'Shift-'.
+ return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
+ || dispatchKey(cm, name, e, function (b) {
+ if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
+ { return doHandleBinding(cm, b) }
+ })
+ } else {
+ return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
+ }
+}
+
+// Handle a key from the keypress event
+function handleCharBinding(cm, e, ch) {
+ return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
+}
+
+var lastStoppedKey = null;
+function onKeyDown(e) {
+ var cm = this;
+ cm.curOp.focus = activeElt();
+ if (signalDOMEvent(cm, e)) { return }
+ // IE does strange things with escape.
+ if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }
+ var code = e.keyCode;
+ cm.display.shift = code == 16 || e.shiftKey;
+ var handled = handleKeyBinding(cm, e);
+ if (presto) {
+ lastStoppedKey = handled ? code : null;
+ // Opera has no cut event... we try to at least catch the key combo
+ if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
+ { cm.replaceSelection("", null, "cut"); }
+ }
+
+ // Turn mouse into crosshair when Alt is held on Mac.
+ if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
+ { showCrossHair(cm); }
+}
+
+function showCrossHair(cm) {
+ var lineDiv = cm.display.lineDiv;
+ addClass(lineDiv, "CodeMirror-crosshair");
+
+ function up(e) {
+ if (e.keyCode == 18 || !e.altKey) {
+ rmClass(lineDiv, "CodeMirror-crosshair");
+ off(document, "keyup", up);
+ off(document, "mouseover", up);
+ }
+ }
+ on(document, "keyup", up);
+ on(document, "mouseover", up);
+}
+
+function onKeyUp(e) {
+ if (e.keyCode == 16) { this.doc.sel.shift = false; }
+ signalDOMEvent(this, e);
+}
+
+function onKeyPress(e) {
+ var cm = this;
+ if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
+ var keyCode = e.keyCode, charCode = e.charCode;
+ if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
+ if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
+ var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
+ // Some browsers fire keypress events for backspace
+ if (ch == "\x08") { return }
+ if (handleCharBinding(cm, e, ch)) { return }
+ cm.display.input.onKeyPress(e);
+}
+
+var DOUBLECLICK_DELAY = 400;
+
+var PastClick = function(time, pos, button) {
+ this.time = time;
+ this.pos = pos;
+ this.button = button;
+};
+
+PastClick.prototype.compare = function (time, pos, button) {
+ return this.time + DOUBLECLICK_DELAY > time &&
+ cmp(pos, this.pos) == 0 && button == this.button
+};
+
+var lastClick;
+var lastDoubleClick;
+function clickRepeat(pos, button) {
+ var now = +new Date;
+ if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
+ lastClick = lastDoubleClick = null;
+ return "triple"
+ } else if (lastClick && lastClick.compare(now, pos, button)) {
+ lastDoubleClick = new PastClick(now, pos, button);
+ lastClick = null;
+ return "double"
+ } else {
+ lastClick = new PastClick(now, pos, button);
+ lastDoubleClick = null;
+ return "single"
+ }
+}
+
+// A mouse down can be a single click, double click, triple click,
+// start of selection drag, start of text drag, new cursor
+// (ctrl-click), rectangle drag (alt-drag), or xwin
+// middle-click-paste. Or it might be a click on something we should
+// not interfere with, such as a scrollbar or widget.
+function onMouseDown(e) {
+ var cm = this, display = cm.display;
+ if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
+ display.input.ensurePolled();
+ display.shift = e.shiftKey;
+
+ if (eventInWidget(display, e)) {
+ if (!webkit) {
+ // Briefly turn off draggability, to allow widgets to do
+ // normal dragging things.
+ display.scroller.draggable = false;
+ setTimeout(function () { return display.scroller.draggable = true; }, 100);
+ }
+ return
+ }
+ if (clickInGutter(cm, e)) { return }
+ var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
+ window.focus();
+
+ // #3261: make sure, that we're not starting a second selection
+ if (button == 1 && cm.state.selectingText)
+ { cm.state.selectingText(e); }
+
+ if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }
+
+ if (button == 1) {
+ if (pos) { leftButtonDown(cm, pos, repeat, e); }
+ else if (e_target(e) == display.scroller) { e_preventDefault(e); }
+ } else if (button == 2) {
+ if (pos) { extendSelection(cm.doc, pos); }
+ setTimeout(function () { return display.input.focus(); }, 20);
+ } else if (button == 3) {
+ if (captureRightClick) { onContextMenu(cm, e); }
+ else { delayBlurEvent(cm); }
+ }
+}
+
+function handleMappedButton(cm, button, pos, repeat, event) {
+ var name = "Click";
+ if (repeat == "double") { name = "Double" + name; }
+ else if (repeat == "triple") { name = "Triple" + name; }
+ name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;
+
+ return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {
+ if (typeof bound == "string") { bound = commands[bound]; }
+ if (!bound) { return false }
+ var done = false;
+ try {
+ if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+ done = bound(cm, pos) != Pass;
+ } finally {
+ cm.state.suppressEdits = false;
+ }
+ return done
+ })
+}
+
+function configureMouse(cm, repeat, event) {
+ var option = cm.getOption("configureMouse");
+ var value = option ? option(cm, repeat, event) : {};
+ if (value.unit == null) {
+ var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
+ value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
+ }
+ if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }
+ if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }
+ if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }
+ return value
+}
+
+function leftButtonDown(cm, pos, repeat, event) {
+ if (ie) { setTimeout(bind(ensureFocus, cm), 0); }
+ else { cm.curOp.focus = activeElt(); }
+
+ var behavior = configureMouse(cm, repeat, event);
+
+ var sel = cm.doc.sel, contained;
+ if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
+ repeat == "single" && (contained = sel.contains(pos)) > -1 &&
+ (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&
+ (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
+ { leftButtonStartDrag(cm, event, pos, behavior); }
+ else
+ { leftButtonSelect(cm, event, pos, behavior); }
+}
+
+// Start a text drag. When it ends, see if any dragging actually
+// happen, and treat as a click if it didn't.
+function leftButtonStartDrag(cm, event, pos, behavior) {
+ var display = cm.display, moved = false;
+ var dragEnd = operation(cm, function (e) {
+ if (webkit) { display.scroller.draggable = false; }
+ cm.state.draggingText = false;
+ off(document, "mouseup", dragEnd);
+ off(document, "mousemove", mouseMove);
+ off(display.scroller, "dragstart", dragStart);
+ off(display.scroller, "drop", dragEnd);
+ if (!moved) {
+ e_preventDefault(e);
+ if (!behavior.addNew)
+ { extendSelection(cm.doc, pos, null, null, behavior.extend); }
+ // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
+ if (webkit || ie && ie_version == 9)
+ { setTimeout(function () {document.body.focus(); display.input.focus();}, 20); }
+ else
+ { display.input.focus(); }
+ }
+ });
+ var mouseMove = function(e2) {
+ moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
+ };
+ var dragStart = function () { return moved = true; };
+ // Let the drag handler handle this.
+ if (webkit) { display.scroller.draggable = true; }
+ cm.state.draggingText = dragEnd;
+ dragEnd.copy = !behavior.moveOnDrag;
+ // IE's approach to draggable
+ if (display.scroller.dragDrop) { display.scroller.dragDrop(); }
+ on(document, "mouseup", dragEnd);
+ on(document, "mousemove", mouseMove);
+ on(display.scroller, "dragstart", dragStart);
+ on(display.scroller, "drop", dragEnd);
+
+ delayBlurEvent(cm);
+ setTimeout(function () { return display.input.focus(); }, 20);
+}
+
+function rangeForUnit(cm, pos, unit) {
+ if (unit == "char") { return new Range(pos, pos) }
+ if (unit == "word") { return cm.findWordAt(pos) }
+ if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
+ var result = unit(cm, pos);
+ return new Range(result.from, result.to)
+}
+
+// Normal selection, as opposed to text dragging.
+function leftButtonSelect(cm, event, start, behavior) {
+ var display = cm.display, doc = cm.doc;
+ e_preventDefault(event);
+
+ var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
+ if (behavior.addNew && !behavior.extend) {
+ ourIndex = doc.sel.contains(start);
+ if (ourIndex > -1)
+ { ourRange = ranges[ourIndex]; }
+ else
+ { ourRange = new Range(start, start); }
+ } else {
+ ourRange = doc.sel.primary();
+ ourIndex = doc.sel.primIndex;
+ }
+
+ if (behavior.unit == "rectangle") {
+ if (!behavior.addNew) { ourRange = new Range(start, start); }
+ start = posFromMouse(cm, event, true, true);
+ ourIndex = -1;
+ } else {
+ var range$$1 = rangeForUnit(cm, start, behavior.unit);
+ if (behavior.extend)
+ { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }
+ else
+ { ourRange = range$$1; }
+ }
+
+ if (!behavior.addNew) {
+ ourIndex = 0;
+ setSelection(doc, new Selection([ourRange], 0), sel_mouse);
+ startSel = doc.sel;
+ } else if (ourIndex == -1) {
+ ourIndex = ranges.length;
+ setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
+ {scroll: false, origin: "*mouse"});
+ } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
+ setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
+ {scroll: false, origin: "*mouse"});
+ startSel = doc.sel;
+ } else {
+ replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
+ }
+
+ var lastPos = start;
+ function extendTo(pos) {
+ if (cmp(lastPos, pos) == 0) { return }
+ lastPos = pos;
+
+ if (behavior.unit == "rectangle") {
+ var ranges = [], tabSize = cm.options.tabSize;
+ var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
+ var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
+ var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
+ for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
+ line <= end; line++) {
+ var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
+ if (left == right)
+ { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }
+ else if (text.length > leftPos)
+ { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }
+ }
+ if (!ranges.length) { ranges.push(new Range(start, start)); }
+ setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
+ {origin: "*mouse", scroll: false});
+ cm.scrollIntoView(pos);
+ } else {
+ var oldRange = ourRange;
+ var range$$1 = rangeForUnit(cm, pos, behavior.unit);
+ var anchor = oldRange.anchor, head;
+ if (cmp(range$$1.anchor, anchor) > 0) {
+ head = range$$1.head;
+ anchor = minPos(oldRange.from(), range$$1.anchor);
+ } else {
+ head = range$$1.anchor;
+ anchor = maxPos(oldRange.to(), range$$1.head);
+ }
+ var ranges$1 = startSel.ranges.slice(0);
+ ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
+ setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse);
+ }
+ }
+
+ var editorSize = display.wrapper.getBoundingClientRect();
+ // Used to ensure timeout re-tries don't fire when another extend
+ // happened in the meantime (clearTimeout isn't reliable -- at
+ // least on Chrome, the timeouts still happen even when cleared,
+ // if the clear happens after their scheduled firing time).
+ var counter = 0;
+
+ function extend(e) {
+ var curCount = ++counter;
+ var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
+ if (!cur) { return }
+ if (cmp(cur, lastPos) != 0) {
+ cm.curOp.focus = activeElt();
+ extendTo(cur);
+ var visible = visibleLines(display, doc);
+ if (cur.line >= visible.to || cur.line < visible.from)
+ { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }
+ } else {
+ var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
+ if (outside) { setTimeout(operation(cm, function () {
+ if (counter != curCount) { return }
+ display.scroller.scrollTop += outside;
+ extend(e);
+ }), 50); }
+ }
+ }
+
+ function done(e) {
+ cm.state.selectingText = false;
+ counter = Infinity;
+ e_preventDefault(e);
+ display.input.focus();
+ off(document, "mousemove", move);
+ off(document, "mouseup", up);
+ doc.history.lastSelOrigin = null;
+ }
+
+ var move = operation(cm, function (e) {
+ if (!e_button(e)) { done(e); }
+ else { extend(e); }
+ });
+ var up = operation(cm, done);
+ cm.state.selectingText = up;
+ on(document, "mousemove", move);
+ on(document, "mouseup", up);
+}
+
+// Used when mouse-selecting to adjust the anchor to the proper side
+// of a bidi jump depending on the visual position of the head.
+function bidiSimplify(cm, range$$1) {
+ var anchor = range$$1.anchor;
+ var head = range$$1.head;
+ var anchorLine = getLine(cm.doc, anchor.line);
+ if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }
+ var order = getOrder(anchorLine);
+ if (!order) { return range$$1 }
+ var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
+ if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }
+ var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);
+ if (boundary == 0 || boundary == order.length) { return range$$1 }
+
+ // Compute the relative visual position of the head compared to the
+ // anchor (<0 is to the left, >0 to the right)
+ var leftSide;
+ if (head.line != anchor.line) {
+ leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
+ } else {
+ var headIndex = getBidiPartAt(order, head.ch, head.sticky);
+ var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
+ if (headIndex == boundary - 1 || headIndex == boundary)
+ { leftSide = dir < 0; }
+ else
+ { leftSide = dir > 0; }
+ }
+
+ var usePart = order[boundary + (leftSide ? -1 : 0)];
+ var from = leftSide == (usePart.level == 1);
+ var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
+ return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)
+}
+
+
+// Determines whether an event happened in the gutter, and fires the
+// handlers for the corresponding event.
+function gutterEvent(cm, e, type, prevent) {
+ var mX, mY;
+ if (e.touches) {
+ mX = e.touches[0].clientX;
+ mY = e.touches[0].clientY;
+ } else {
+ try { mX = e.clientX; mY = e.clientY; }
+ catch(e) { return false }
+ }
+ if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
+ if (prevent) { e_preventDefault(e); }
+
+ var display = cm.display;
+ var lineBox = display.lineDiv.getBoundingClientRect();
+
+ if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
+ mY -= lineBox.top - display.viewOffset;
+
+ for (var i = 0; i < cm.options.gutters.length; ++i) {
+ var g = display.gutters.childNodes[i];
+ if (g && g.getBoundingClientRect().right >= mX) {
+ var line = lineAtHeight(cm.doc, mY);
+ var gutter = cm.options.gutters[i];
+ signal(cm, type, cm, line, gutter, e);
+ return e_defaultPrevented(e)
+ }
+ }
+}
+
+function clickInGutter(cm, e) {
+ return gutterEvent(cm, e, "gutterClick", true)
+}
+
+// CONTEXT MENU HANDLING
+
+// To make the context menu work, we need to briefly unhide the
+// textarea (making it as unobtrusive as possible) to let the
+// right-click take effect on it.
+function onContextMenu(cm, e) {
+ if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
+ if (signalDOMEvent(cm, e, "contextmenu")) { return }
+ cm.display.input.onContextMenu(e);
+}
+
+function contextMenuInGutter(cm, e) {
+ if (!hasHandler(cm, "gutterContextMenu")) { return false }
+ return gutterEvent(cm, e, "gutterContextMenu", false)
+}
+
+function themeChanged(cm) {
+ cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
+ cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
+ clearCaches(cm);
+}
+
+var Init = {toString: function(){return "CodeMirror.Init"}};
+
+var defaults = {};
+var optionHandlers = {};
+
+function defineOptions(CodeMirror) {
+ var optionHandlers = CodeMirror.optionHandlers;
+
+ function option(name, deflt, handle, notOnInit) {
+ CodeMirror.defaults[name] = deflt;
+ if (handle) { optionHandlers[name] =
+ notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }
+ }
+
+ CodeMirror.defineOption = option;
+
+ // Passed to option handlers when there is no old value.
+ CodeMirror.Init = Init;
+
+ // These two are, on init, called from the constructor because they
+ // have to be initialized before the editor can start at all.
+ option("value", "", function (cm, val) { return cm.setValue(val); }, true);
+ option("mode", null, function (cm, val) {
+ cm.doc.modeOption = val;
+ loadMode(cm);
+ }, true);
+
+ option("indentUnit", 2, loadMode, true);
+ option("indentWithTabs", false);
+ option("smartIndent", true);
+ option("tabSize", 4, function (cm) {
+ resetModeState(cm);
+ clearCaches(cm);
+ regChange(cm);
+ }, true);
+ option("lineSeparator", null, function (cm, val) {
+ cm.doc.lineSep = val;
+ if (!val) { return }
+ var newBreaks = [], lineNo = cm.doc.first;
+ cm.doc.iter(function (line) {
+ for (var pos = 0;;) {
+ var found = line.text.indexOf(val, pos);
+ if (found == -1) { break }
+ pos = found + val.length;
+ newBreaks.push(Pos(lineNo, found));
+ }
+ lineNo++;
+ });
+ for (var i = newBreaks.length - 1; i >= 0; i--)
+ { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }
+ });
+ option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) {
+ cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
+ if (old != Init) { cm.refresh(); }
+ });
+ option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);
+ option("electricChars", true);
+ option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
+ throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
+ }, true);
+ option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);
+ option("rtlMoveVisually", !windows);
+ option("wholeLineUpdateBefore", true);
+
+ option("theme", "default", function (cm) {
+ themeChanged(cm);
+ guttersChanged(cm);
+ }, true);
+ option("keyMap", "default", function (cm, val, old) {
+ var next = getKeyMap(val);
+ var prev = old != Init && getKeyMap(old);
+ if (prev && prev.detach) { prev.detach(cm, next); }
+ if (next.attach) { next.attach(cm, prev || null); }
+ });
+ option("extraKeys", null);
+ option("configureMouse", null);
+
+ option("lineWrapping", false, wrappingChanged, true);
+ option("gutters", [], function (cm) {
+ setGuttersForLineNumbers(cm.options);
+ guttersChanged(cm);
+ }, true);
+ option("fixedGutter", true, function (cm, val) {
+ cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
+ cm.refresh();
+ }, true);
+ option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);
+ option("scrollbarStyle", "native", function (cm) {
+ initScrollbars(cm);
+ updateScrollbars(cm);
+ cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
+ cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
+ }, true);
+ option("lineNumbers", false, function (cm) {
+ setGuttersForLineNumbers(cm.options);
+ guttersChanged(cm);
+ }, true);
+ option("firstLineNumber", 1, guttersChanged, true);
+ option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true);
+ option("showCursorWhenSelecting", false, updateSelection, true);
+
+ option("resetSelectionOnContextMenu", true);
+ option("lineWiseCopyCut", true);
+ option("pasteLinesPerSelection", true);
+
+ option("readOnly", false, function (cm, val) {
+ if (val == "nocursor") {
+ onBlur(cm);
+ cm.display.input.blur();
+ }
+ cm.display.input.readOnlyChanged(val);
+ });
+ option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);
+ option("dragDrop", true, dragDropChanged);
+ option("allowDropFileTypes", null);
+
+ option("cursorBlinkRate", 530);
+ option("cursorScrollMargin", 0);
+ option("cursorHeight", 1, updateSelection, true);
+ option("singleCursorHeightPerLine", true, updateSelection, true);
+ option("workTime", 100);
+ option("workDelay", 100);
+ option("flattenSpans", true, resetModeState, true);
+ option("addModeClass", false, resetModeState, true);
+ option("pollInterval", 100);
+ option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });
+ option("historyEventDelay", 1250);
+ option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);
+ option("maxHighlightLength", 10000, resetModeState, true);
+ option("moveInputWithCursor", true, function (cm, val) {
+ if (!val) { cm.display.input.resetPosition(); }
+ });
+
+ option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });
+ option("autofocus", null);
+ option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);
+}
+
+function guttersChanged(cm) {
+ updateGutters(cm);
+ regChange(cm);
+ alignHorizontally(cm);
+}
+
+function dragDropChanged(cm, value, old) {
+ var wasOn = old && old != Init;
+ if (!value != !wasOn) {
+ var funcs = cm.display.dragFunctions;
+ var toggle = value ? on : off;
+ toggle(cm.display.scroller, "dragstart", funcs.start);
+ toggle(cm.display.scroller, "dragenter", funcs.enter);
+ toggle(cm.display.scroller, "dragover", funcs.over);
+ toggle(cm.display.scroller, "dragleave", funcs.leave);
+ toggle(cm.display.scroller, "drop", funcs.drop);
+ }
+}
+
+function wrappingChanged(cm) {
+ if (cm.options.lineWrapping) {
+ addClass(cm.display.wrapper, "CodeMirror-wrap");
+ cm.display.sizer.style.minWidth = "";
+ cm.display.sizerWidth = null;
+ } else {
+ rmClass(cm.display.wrapper, "CodeMirror-wrap");
+ findMaxLine(cm);
+ }
+ estimateLineHeights(cm);
+ regChange(cm);
+ clearCaches(cm);
+ setTimeout(function () { return updateScrollbars(cm); }, 100);
+}
+
+// A CodeMirror instance represents an editor. This is the object
+// that user code is usually dealing with.
+
+function CodeMirror$1(place, options) {
+ var this$1 = this;
+
+ if (!(this instanceof CodeMirror$1)) { return new CodeMirror$1(place, options) }
+
+ this.options = options = options ? copyObj(options) : {};
+ // Determine effective options based on given values and defaults.
+ copyObj(defaults, options, false);
+ setGuttersForLineNumbers(options);
+
+ var doc = options.value;
+ if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }
+ this.doc = doc;
+
+ var input = new CodeMirror$1.inputStyles[options.inputStyle](this);
+ var display = this.display = new Display(place, doc, input);
+ display.wrapper.CodeMirror = this;
+ updateGutters(this);
+ themeChanged(this);
+ if (options.lineWrapping)
+ { this.display.wrapper.className += " CodeMirror-wrap"; }
+ initScrollbars(this);
+
+ this.state = {
+ keyMaps: [], // stores maps added by addKeyMap
+ overlays: [], // highlighting overlays, as added by addOverlay
+ modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
+ overwrite: false,
+ delayingBlurEvent: false,
+ focused: false,
+ suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
+ pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
+ selectingText: false,
+ draggingText: false,
+ highlight: new Delayed(), // stores highlight worker timeout
+ keySeq: null, // Unfinished key sequence
+ specialChars: null
+ };
+
+ if (options.autofocus && !mobile) { display.input.focus(); }
+
+ // Override magic textarea content restore that IE sometimes does
+ // on our hidden textarea on reload
+ if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }
+
+ registerEventHandlers(this);
+ ensureGlobalHandlers();
+
+ startOperation(this);
+ this.curOp.forceUpdate = true;
+ attachDoc(this, doc);
+
+ if ((options.autofocus && !mobile) || this.hasFocus())
+ { setTimeout(bind(onFocus, this), 20); }
+ else
+ { onBlur(this); }
+
+ for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
+ { optionHandlers[opt](this$1, options[opt], Init); } }
+ maybeUpdateLineNumberWidth(this);
+ if (options.finishInit) { options.finishInit(this); }
+ for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }
+ endOperation(this);
+ // Suppress optimizelegibility in Webkit, since it breaks text
+ // measuring on line wrapping boundaries.
+ if (webkit && options.lineWrapping &&
+ getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
+ { display.lineDiv.style.textRendering = "auto"; }
+}
+
+// The default configuration options.
+CodeMirror$1.defaults = defaults;
+// Functions to run when options are changed.
+CodeMirror$1.optionHandlers = optionHandlers;
+
+// Attach the necessary event handlers when initializing the editor
+function registerEventHandlers(cm) {
+ var d = cm.display;
+ on(d.scroller, "mousedown", operation(cm, onMouseDown));
+ // Older IE's will not fire a second mousedown for a double click
+ if (ie && ie_version < 11)
+ { on(d.scroller, "dblclick", operation(cm, function (e) {
+ if (signalDOMEvent(cm, e)) { return }
+ var pos = posFromMouse(cm, e);
+ if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
+ e_preventDefault(e);
+ var word = cm.findWordAt(pos);
+ extendSelection(cm.doc, word.anchor, word.head);
+ })); }
+ else
+ { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }
+ // Some browsers fire contextmenu *after* opening the menu, at
+ // which point we can't mess with it anymore. Context menu is
+ // handled in onMouseDown for these browsers.
+ if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); }
+
+ // Used to suppress mouse event handling when a touch happens
+ var touchFinished, prevTouch = {end: 0};
+ function finishTouch() {
+ if (d.activeTouch) {
+ touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);
+ prevTouch = d.activeTouch;
+ prevTouch.end = +new Date;
+ }
+ }
+ function isMouseLikeTouchEvent(e) {
+ if (e.touches.length != 1) { return false }
+ var touch = e.touches[0];
+ return touch.radiusX <= 1 && touch.radiusY <= 1
+ }
+ function farAway(touch, other) {
+ if (other.left == null) { return true }
+ var dx = other.left - touch.left, dy = other.top - touch.top;
+ return dx * dx + dy * dy > 20 * 20
+ }
+ on(d.scroller, "touchstart", function (e) {
+ if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
+ d.input.ensurePolled();
+ clearTimeout(touchFinished);
+ var now = +new Date;
+ d.activeTouch = {start: now, moved: false,
+ prev: now - prevTouch.end <= 300 ? prevTouch : null};
+ if (e.touches.length == 1) {
+ d.activeTouch.left = e.touches[0].pageX;
+ d.activeTouch.top = e.touches[0].pageY;
+ }
+ }
+ });
+ on(d.scroller, "touchmove", function () {
+ if (d.activeTouch) { d.activeTouch.moved = true; }
+ });
+ on(d.scroller, "touchend", function (e) {
+ var touch = d.activeTouch;
+ if (touch && !eventInWidget(d, e) && touch.left != null &&
+ !touch.moved && new Date - touch.start < 300) {
+ var pos = cm.coordsChar(d.activeTouch, "page"), range;
+ if (!touch.prev || farAway(touch, touch.prev)) // Single tap
+ { range = new Range(pos, pos); }
+ else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
+ { range = cm.findWordAt(pos); }
+ else // Triple tap
+ { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }
+ cm.setSelection(range.anchor, range.head);
+ cm.focus();
+ e_preventDefault(e);
+ }
+ finishTouch();
+ });
+ on(d.scroller, "touchcancel", finishTouch);
+
+ // Sync scrolling between fake scrollbars and real scrollable
+ // area, ensure viewport is updated when scrolling.
+ on(d.scroller, "scroll", function () {
+ if (d.scroller.clientHeight) {
+ updateScrollTop(cm, d.scroller.scrollTop);
+ setScrollLeft(cm, d.scroller.scrollLeft, true);
+ signal(cm, "scroll", cm);
+ }
+ });
+
+ // Listen to wheel events in order to try and update the viewport on time.
+ on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });
+ on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });
+
+ // Prevent wrapper from ever scrolling
+ on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
+
+ d.dragFunctions = {
+ enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},
+ over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
+ start: function (e) { return onDragStart(cm, e); },
+ drop: operation(cm, onDrop),
+ leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
+ };
+
+ var inp = d.input.getField();
+ on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });
+ on(inp, "keydown", operation(cm, onKeyDown));
+ on(inp, "keypress", operation(cm, onKeyPress));
+ on(inp, "focus", function (e) { return onFocus(cm, e); });
+ on(inp, "blur", function (e) { return onBlur(cm, e); });
+}
+
+var initHooks = [];
+CodeMirror$1.defineInitHook = function (f) { return initHooks.push(f); };
+
+// Indent the given line. The how parameter can be "smart",
+// "add"/null, "subtract", or "prev". When aggressive is false
+// (typically set to true for forced single-line indents), empty
+// lines are not indented, and places where the mode returns Pass
+// are left alone.
+function indentLine(cm, n, how, aggressive) {
+ var doc = cm.doc, state;
+ if (how == null) { how = "add"; }
+ if (how == "smart") {
+ // Fall back to "prev" when the mode doesn't have an indentation
+ // method.
+ if (!doc.mode.indent) { how = "prev"; }
+ else { state = getContextBefore(cm, n).state; }
+ }
+
+ var tabSize = cm.options.tabSize;
+ var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
+ if (line.stateAfter) { line.stateAfter = null; }
+ var curSpaceString = line.text.match(/^\s*/)[0], indentation;
+ if (!aggressive && !/\S/.test(line.text)) {
+ indentation = 0;
+ how = "not";
+ } else if (how == "smart") {
+ indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
+ if (indentation == Pass || indentation > 150) {
+ if (!aggressive) { return }
+ how = "prev";
+ }
+ }
+ if (how == "prev") {
+ if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }
+ else { indentation = 0; }
+ } else if (how == "add") {
+ indentation = curSpace + cm.options.indentUnit;
+ } else if (how == "subtract") {
+ indentation = curSpace - cm.options.indentUnit;
+ } else if (typeof how == "number") {
+ indentation = curSpace + how;
+ }
+ indentation = Math.max(0, indentation);
+
+ var indentString = "", pos = 0;
+ if (cm.options.indentWithTabs)
+ { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} }
+ if (pos < indentation) { indentString += spaceStr(indentation - pos); }
+
+ if (indentString != curSpaceString) {
+ replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
+ line.stateAfter = null;
+ return true
+ } else {
+ // Ensure that, if the cursor was in the whitespace at the start
+ // of the line, it is moved to the end of that space.
+ for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
+ var range = doc.sel.ranges[i$1];
+ if (range.head.line == n && range.head.ch < curSpaceString.length) {
+ var pos$1 = Pos(n, curSpaceString.length);
+ replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));
+ break
+ }
+ }
+ }
+}
+
+// This will be set to a {lineWise: bool, text: [string]} object, so
+// that, when pasting, we know what kind of selections the copied
+// text was made out of.
+var lastCopied = null;
+
+function setLastCopied(newLastCopied) {
+ lastCopied = newLastCopied;
+}
+
+function applyTextInput(cm, inserted, deleted, sel, origin) {
+ var doc = cm.doc;
+ cm.display.shift = false;
+ if (!sel) { sel = doc.sel; }
+
+ var paste = cm.state.pasteIncoming || origin == "paste";
+ var textLines = splitLinesAuto(inserted), multiPaste = null;
+ // When pasing N lines into N selections, insert one line per selection
+ if (paste && sel.ranges.length > 1) {
+ if (lastCopied && lastCopied.text.join("\n") == inserted) {
+ if (sel.ranges.length % lastCopied.text.length == 0) {
+ multiPaste = [];
+ for (var i = 0; i < lastCopied.text.length; i++)
+ { multiPaste.push(doc.splitLines(lastCopied.text[i])); }
+ }
+ } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
+ multiPaste = map(textLines, function (l) { return [l]; });
+ }
+ }
+
+ var updateInput;
+ // Normal behavior is to insert the new text into every selection
+ for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
+ var range$$1 = sel.ranges[i$1];
+ var from = range$$1.from(), to = range$$1.to();
+ if (range$$1.empty()) {
+ if (deleted && deleted > 0) // Handle deletion
+ { from = Pos(from.line, from.ch - deleted); }
+ else if (cm.state.overwrite && !paste) // Handle overwrite
+ { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }
+ else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
+ { from = to = Pos(from.line, 0); }
+ }
+ updateInput = cm.curOp.updateInput;
+ var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
+ origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};
+ makeChange(cm.doc, changeEvent);
+ signalLater(cm, "inputRead", cm, changeEvent);
+ }
+ if (inserted && !paste)
+ { triggerElectric(cm, inserted); }
+
+ ensureCursorVisible(cm);
+ cm.curOp.updateInput = updateInput;
+ cm.curOp.typing = true;
+ cm.state.pasteIncoming = cm.state.cutIncoming = false;
+}
+
+function handlePaste(e, cm) {
+ var pasted = e.clipboardData && e.clipboardData.getData("Text");
+ if (pasted) {
+ e.preventDefault();
+ if (!cm.isReadOnly() && !cm.options.disableInput)
+ { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }
+ return true
+ }
+}
+
+function triggerElectric(cm, inserted) {
+ // When an 'electric' character is inserted, immediately trigger a reindent
+ if (!cm.options.electricChars || !cm.options.smartIndent) { return }
+ var sel = cm.doc.sel;
+
+ for (var i = sel.ranges.length - 1; i >= 0; i--) {
+ var range$$1 = sel.ranges[i];
+ if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }
+ var mode = cm.getModeAt(range$$1.head);
+ var indented = false;
+ if (mode.electricChars) {
+ for (var j = 0; j < mode.electricChars.length; j++)
+ { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
+ indented = indentLine(cm, range$$1.head.line, "smart");
+ break
+ } }
+ } else if (mode.electricInput) {
+ if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))
+ { indented = indentLine(cm, range$$1.head.line, "smart"); }
+ }
+ if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); }
+ }
+}
+
+function copyableRanges(cm) {
+ var text = [], ranges = [];
+ for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
+ var line = cm.doc.sel.ranges[i].head.line;
+ var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
+ ranges.push(lineRange);
+ text.push(cm.getRange(lineRange.anchor, lineRange.head));
+ }
+ return {text: text, ranges: ranges}
+}
+
+function disableBrowserMagic(field, spellcheck) {
+ field.setAttribute("autocorrect", "off");
+ field.setAttribute("autocapitalize", "off");
+ field.setAttribute("spellcheck", !!spellcheck);
+}
+
+function hiddenTextarea() {
+ var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
+ var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
+ // The textarea is kept positioned near the cursor to prevent the
+ // fact that it'll be scrolled into view on input from scrolling
+ // our fake cursor out of view. On webkit, when wrap=off, paste is
+ // very slow. So make the area wide instead.
+ if (webkit) { te.style.width = "1000px"; }
+ else { te.setAttribute("wrap", "off"); }
+ // If border: 0; -- iOS fails to open keyboard (issue #1287)
+ if (ios) { te.style.border = "1px solid black"; }
+ disableBrowserMagic(te);
+ return div
+}
+
+// The publicly visible API. Note that methodOp(f) means
+// 'wrap f in an operation, performed on its `this` parameter'.
+
+// This is not the complete set of editor methods. Most of the
+// methods defined on the Doc type are also injected into
+// CodeMirror.prototype, for backwards compatibility and
+// convenience.
+
+var addEditorMethods = function(CodeMirror) {
+ var optionHandlers = CodeMirror.optionHandlers;
+
+ var helpers = CodeMirror.helpers = {};
+
+ CodeMirror.prototype = {
+ constructor: CodeMirror,
+ focus: function(){window.focus(); this.display.input.focus();},
+
+ setOption: function(option, value) {
+ var options = this.options, old = options[option];
+ if (options[option] == value && option != "mode") { return }
+ options[option] = value;
+ if (optionHandlers.hasOwnProperty(option))
+ { operation(this, optionHandlers[option])(this, value, old); }
+ signal(this, "optionChange", this, option);
+ },
+
+ getOption: function(option) {return this.options[option]},
+ getDoc: function() {return this.doc},
+
+ addKeyMap: function(map$$1, bottom) {
+ this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1));
+ },
+ removeKeyMap: function(map$$1) {
+ var maps = this.state.keyMaps;
+ for (var i = 0; i < maps.length; ++i)
+ { if (maps[i] == map$$1 || maps[i].name == map$$1) {
+ maps.splice(i, 1);
+ return true
+ } }
+ },
+
+ addOverlay: methodOp(function(spec, options) {
+ var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
+ if (mode.startState) { throw new Error("Overlays may not be stateful.") }
+ insertSorted(this.state.overlays,
+ {mode: mode, modeSpec: spec, opaque: options && options.opaque,
+ priority: (options && options.priority) || 0},
+ function (overlay) { return overlay.priority; });
+ this.state.modeGen++;
+ regChange(this);
+ }),
+ removeOverlay: methodOp(function(spec) {
+ var this$1 = this;
+
+ var overlays = this.state.overlays;
+ for (var i = 0; i < overlays.length; ++i) {
+ var cur = overlays[i].modeSpec;
+ if (cur == spec || typeof spec == "string" && cur.name == spec) {
+ overlays.splice(i, 1);
+ this$1.state.modeGen++;
+ regChange(this$1);
+ return
+ }
+ }
+ }),
+
+ indentLine: methodOp(function(n, dir, aggressive) {
+ if (typeof dir != "string" && typeof dir != "number") {
+ if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }
+ else { dir = dir ? "add" : "subtract"; }
+ }
+ if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }
+ }),
+ indentSelection: methodOp(function(how) {
+ var this$1 = this;
+
+ var ranges = this.doc.sel.ranges, end = -1;
+ for (var i = 0; i < ranges.length; i++) {
+ var range$$1 = ranges[i];
+ if (!range$$1.empty()) {
+ var from = range$$1.from(), to = range$$1.to();
+ var start = Math.max(end, from.line);
+ end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
+ for (var j = start; j < end; ++j)
+ { indentLine(this$1, j, how); }
+ var newRanges = this$1.doc.sel.ranges;
+ if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
+ { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }
+ } else if (range$$1.head.line > end) {
+ indentLine(this$1, range$$1.head.line, how, true);
+ end = range$$1.head.line;
+ if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }
+ }
+ }
+ }),
+
+ // Fetch the parser token for a given character. Useful for hacks
+ // that want to inspect the mode state (say, for completion).
+ getTokenAt: function(pos, precise) {
+ return takeToken(this, pos, precise)
+ },
+
+ getLineTokens: function(line, precise) {
+ return takeToken(this, Pos(line), precise, true)
+ },
+
+ getTokenTypeAt: function(pos) {
+ pos = clipPos(this.doc, pos);
+ var styles = getLineStyles(this, getLine(this.doc, pos.line));
+ var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
+ var type;
+ if (ch == 0) { type = styles[2]; }
+ else { for (;;) {
+ var mid = (before + after) >> 1;
+ if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }
+ else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }
+ else { type = styles[mid * 2 + 2]; break }
+ } }
+ var cut = type ? type.indexOf("overlay ") : -1;
+ return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
+ },
+
+ getModeAt: function(pos) {
+ var mode = this.doc.mode;
+ if (!mode.innerMode) { return mode }
+ return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
+ },
+
+ getHelper: function(pos, type) {
+ return this.getHelpers(pos, type)[0]
+ },
+
+ getHelpers: function(pos, type) {
+ var this$1 = this;
+
+ var found = [];
+ if (!helpers.hasOwnProperty(type)) { return found }
+ var help = helpers[type], mode = this.getModeAt(pos);
+ if (typeof mode[type] == "string") {
+ if (help[mode[type]]) { found.push(help[mode[type]]); }
+ } else if (mode[type]) {
+ for (var i = 0; i < mode[type].length; i++) {
+ var val = help[mode[type][i]];
+ if (val) { found.push(val); }
+ }
+ } else if (mode.helperType && help[mode.helperType]) {
+ found.push(help[mode.helperType]);
+ } else if (help[mode.name]) {
+ found.push(help[mode.name]);
+ }
+ for (var i$1 = 0; i$1 < help._global.length; i$1++) {
+ var cur = help._global[i$1];
+ if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)
+ { found.push(cur.val); }
+ }
+ return found
+ },
+
+ getStateAfter: function(line, precise) {
+ var doc = this.doc;
+ line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
+ return getContextBefore(this, line + 1, precise).state
+ },
+
+ cursorCoords: function(start, mode) {
+ var pos, range$$1 = this.doc.sel.primary();
+ if (start == null) { pos = range$$1.head; }
+ else if (typeof start == "object") { pos = clipPos(this.doc, start); }
+ else { pos = start ? range$$1.from() : range$$1.to(); }
+ return cursorCoords(this, pos, mode || "page")
+ },
+
+ charCoords: function(pos, mode) {
+ return charCoords(this, clipPos(this.doc, pos), mode || "page")
+ },
+
+ coordsChar: function(coords, mode) {
+ coords = fromCoordSystem(this, coords, mode || "page");
+ return coordsChar(this, coords.left, coords.top)
+ },
+
+ lineAtHeight: function(height, mode) {
+ height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
+ return lineAtHeight(this.doc, height + this.display.viewOffset)
+ },
+ heightAtLine: function(line, mode, includeWidgets) {
+ var end = false, lineObj;
+ if (typeof line == "number") {
+ var last = this.doc.first + this.doc.size - 1;
+ if (line < this.doc.first) { line = this.doc.first; }
+ else if (line > last) { line = last; end = true; }
+ lineObj = getLine(this.doc, line);
+ } else {
+ lineObj = line;
+ }
+ return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
+ (end ? this.doc.height - heightAtLine(lineObj) : 0)
+ },
+
+ defaultTextHeight: function() { return textHeight(this.display) },
+ defaultCharWidth: function() { return charWidth(this.display) },
+
+ getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},
+
+ addWidget: function(pos, node, scroll, vert, horiz) {
+ var display = this.display;
+ pos = cursorCoords(this, clipPos(this.doc, pos));
+ var top = pos.bottom, left = pos.left;
+ node.style.position = "absolute";
+ node.setAttribute("cm-ignore-events", "true");
+ this.display.input.setUneditable(node);
+ display.sizer.appendChild(node);
+ if (vert == "over") {
+ top = pos.top;
+ } else if (vert == "above" || vert == "near") {
+ var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
+ hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
+ // Default to positioning above (if specified and possible); otherwise default to positioning below
+ if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
+ { top = pos.top - node.offsetHeight; }
+ else if (pos.bottom + node.offsetHeight <= vspace)
+ { top = pos.bottom; }
+ if (left + node.offsetWidth > hspace)
+ { left = hspace - node.offsetWidth; }
+ }
+ node.style.top = top + "px";
+ node.style.left = node.style.right = "";
+ if (horiz == "right") {
+ left = display.sizer.clientWidth - node.offsetWidth;
+ node.style.right = "0px";
+ } else {
+ if (horiz == "left") { left = 0; }
+ else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }
+ node.style.left = left + "px";
+ }
+ if (scroll)
+ { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }
+ },
+
+ triggerOnKeyDown: methodOp(onKeyDown),
+ triggerOnKeyPress: methodOp(onKeyPress),
+ triggerOnKeyUp: onKeyUp,
+ triggerOnMouseDown: methodOp(onMouseDown),
+
+ execCommand: function(cmd) {
+ if (commands.hasOwnProperty(cmd))
+ { return commands[cmd].call(null, this) }
+ },
+
+ triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
+
+ findPosH: function(from, amount, unit, visually) {
+ var this$1 = this;
+
+ var dir = 1;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ var cur = clipPos(this.doc, from);
+ for (var i = 0; i < amount; ++i) {
+ cur = findPosH(this$1.doc, cur, dir, unit, visually);
+ if (cur.hitSide) { break }
+ }
+ return cur
+ },
+
+ moveH: methodOp(function(dir, unit) {
+ var this$1 = this;
+
+ this.extendSelectionsBy(function (range$$1) {
+ if (this$1.display.shift || this$1.doc.extend || range$$1.empty())
+ { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }
+ else
+ { return dir < 0 ? range$$1.from() : range$$1.to() }
+ }, sel_move);
+ }),
+
+ deleteH: methodOp(function(dir, unit) {
+ var sel = this.doc.sel, doc = this.doc;
+ if (sel.somethingSelected())
+ { doc.replaceSelection("", null, "+delete"); }
+ else
+ { deleteNearSelection(this, function (range$$1) {
+ var other = findPosH(doc, range$$1.head, dir, unit, false);
+ return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}
+ }); }
+ }),
+
+ findPosV: function(from, amount, unit, goalColumn) {
+ var this$1 = this;
+
+ var dir = 1, x = goalColumn;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ var cur = clipPos(this.doc, from);
+ for (var i = 0; i < amount; ++i) {
+ var coords = cursorCoords(this$1, cur, "div");
+ if (x == null) { x = coords.left; }
+ else { coords.left = x; }
+ cur = findPosV(this$1, coords, dir, unit);
+ if (cur.hitSide) { break }
+ }
+ return cur
+ },
+
+ moveV: methodOp(function(dir, unit) {
+ var this$1 = this;
+
+ var doc = this.doc, goals = [];
+ var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
+ doc.extendSelectionsBy(function (range$$1) {
+ if (collapse)
+ { return dir < 0 ? range$$1.from() : range$$1.to() }
+ var headPos = cursorCoords(this$1, range$$1.head, "div");
+ if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }
+ goals.push(headPos.left);
+ var pos = findPosV(this$1, headPos, dir, unit);
+ if (unit == "page" && range$$1 == doc.sel.primary())
+ { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }
+ return pos
+ }, sel_move);
+ if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
+ { doc.sel.ranges[i].goalColumn = goals[i]; } }
+ }),
+
+ // Find the word at the given position (as returned by coordsChar).
+ findWordAt: function(pos) {
+ var doc = this.doc, line = getLine(doc, pos.line).text;
+ var start = pos.ch, end = pos.ch;
+ if (line) {
+ var helper = this.getHelper(pos, "wordChars");
+ if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }
+ var startChar = line.charAt(start);
+ var check = isWordChar(startChar, helper)
+ ? function (ch) { return isWordChar(ch, helper); }
+ : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
+ : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); };
+ while (start > 0 && check(line.charAt(start - 1))) { --start; }
+ while (end < line.length && check(line.charAt(end))) { ++end; }
+ }
+ return new Range(Pos(pos.line, start), Pos(pos.line, end))
+ },
+
+ toggleOverwrite: function(value) {
+ if (value != null && value == this.state.overwrite) { return }
+ if (this.state.overwrite = !this.state.overwrite)
+ { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+ else
+ { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+
+ signal(this, "overwriteToggle", this, this.state.overwrite);
+ },
+ hasFocus: function() { return this.display.input.getField() == activeElt() },
+ isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },
+
+ scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),
+ getScrollInfo: function() {
+ var scroller = this.display.scroller;
+ return {left: scroller.scrollLeft, top: scroller.scrollTop,
+ height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
+ width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
+ clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
+ },
+
+ scrollIntoView: methodOp(function(range$$1, margin) {
+ if (range$$1 == null) {
+ range$$1 = {from: this.doc.sel.primary().head, to: null};
+ if (margin == null) { margin = this.options.cursorScrollMargin; }
+ } else if (typeof range$$1 == "number") {
+ range$$1 = {from: Pos(range$$1, 0), to: null};
+ } else if (range$$1.from == null) {
+ range$$1 = {from: range$$1, to: null};
+ }
+ if (!range$$1.to) { range$$1.to = range$$1.from; }
+ range$$1.margin = margin || 0;
+
+ if (range$$1.from.line != null) {
+ scrollToRange(this, range$$1);
+ } else {
+ scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);
+ }
+ }),
+
+ setSize: methodOp(function(width, height) {
+ var this$1 = this;
+
+ var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; };
+ if (width != null) { this.display.wrapper.style.width = interpret(width); }
+ if (height != null) { this.display.wrapper.style.height = interpret(height); }
+ if (this.options.lineWrapping) { clearLineMeasurementCache(this); }
+ var lineNo$$1 = this.display.viewFrom;
+ this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
+ { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } }
+ ++lineNo$$1;
+ });
+ this.curOp.forceUpdate = true;
+ signal(this, "refresh", this);
+ }),
+
+ operation: function(f){return runInOp(this, f)},
+ startOperation: function(){return startOperation(this)},
+ endOperation: function(){return endOperation(this)},
+
+ refresh: methodOp(function() {
+ var oldHeight = this.display.cachedTextHeight;
+ regChange(this);
+ this.curOp.forceUpdate = true;
+ clearCaches(this);
+ scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
+ updateGutterSpace(this);
+ if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
+ { estimateLineHeights(this); }
+ signal(this, "refresh", this);
+ }),
+
+ swapDoc: methodOp(function(doc) {
+ var old = this.doc;
+ old.cm = null;
+ attachDoc(this, doc);
+ clearCaches(this);
+ this.display.input.reset();
+ scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
+ this.curOp.forceScroll = true;
+ signalLater(this, "swapDoc", this, old);
+ return old
+ }),
+
+ getInputField: function(){return this.display.input.getField()},
+ getWrapperElement: function(){return this.display.wrapper},
+ getScrollerElement: function(){return this.display.scroller},
+ getGutterElement: function(){return this.display.gutters}
+ };
+ eventMixin(CodeMirror);
+
+ CodeMirror.registerHelper = function(type, name, value) {
+ if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }
+ helpers[type][name] = value;
+ };
+ CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
+ CodeMirror.registerHelper(type, name, value);
+ helpers[type]._global.push({pred: predicate, val: value});
+ };
+};
+
+// Used for horizontal relative motion. Dir is -1 or 1 (left or
+// right), unit can be "char", "column" (like char, but doesn't
+// cross line boundaries), "word" (across next word), or "group" (to
+// the start of next group of word or non-word-non-whitespace
+// chars). The visually param controls whether, in right-to-left
+// text, direction 1 means to move towards the next index in the
+// string, or towards the character to the right of the current
+// position. The resulting position will have a hitSide=true
+// property if it reached the end of the document.
+function findPosH(doc, pos, dir, unit, visually) {
+ var oldPos = pos;
+ var origDir = dir;
+ var lineObj = getLine(doc, pos.line);
+ function findNextLine() {
+ var l = pos.line + dir;
+ if (l < doc.first || l >= doc.first + doc.size) { return false }
+ pos = new Pos(l, pos.ch, pos.sticky);
+ return lineObj = getLine(doc, l)
+ }
+ function moveOnce(boundToLine) {
+ var next;
+ if (visually) {
+ next = moveVisually(doc.cm, lineObj, pos, dir);
+ } else {
+ next = moveLogically(lineObj, pos, dir);
+ }
+ if (next == null) {
+ if (!boundToLine && findNextLine())
+ { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }
+ else
+ { return false }
+ } else {
+ pos = next;
+ }
+ return true
+ }
+
+ if (unit == "char") {
+ moveOnce();
+ } else if (unit == "column") {
+ moveOnce(true);
+ } else if (unit == "word" || unit == "group") {
+ var sawType = null, group = unit == "group";
+ var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
+ for (var first = true;; first = false) {
+ if (dir < 0 && !moveOnce(!first)) { break }
+ var cur = lineObj.text.charAt(pos.ch) || "\n";
+ var type = isWordChar(cur, helper) ? "w"
+ : group && cur == "\n" ? "n"
+ : !group || /\s/.test(cur) ? null
+ : "p";
+ if (group && !first && !type) { type = "s"; }
+ if (sawType && sawType != type) {
+ if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}
+ break
+ }
+
+ if (type) { sawType = type; }
+ if (dir > 0 && !moveOnce(!first)) { break }
+ }
+ }
+ var result = skipAtomic(doc, pos, oldPos, origDir, true);
+ if (equalCursorPos(oldPos, result)) { result.hitSide = true; }
+ return result
+}
+
+// For relative vertical movement. Dir may be -1 or 1. Unit can be
+// "page" or "line". The resulting position will have a hitSide=true
+// property if it reached the end of the document.
+function findPosV(cm, pos, dir, unit) {
+ var doc = cm.doc, x = pos.left, y;
+ if (unit == "page") {
+ var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
+ var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);
+ y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;
+
+ } else if (unit == "line") {
+ y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
+ }
+ var target;
+ for (;;) {
+ target = coordsChar(cm, x, y);
+ if (!target.outside) { break }
+ if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
+ y += dir * 5;
+ }
+ return target
+}
+
+// CONTENTEDITABLE INPUT STYLE
+
+var ContentEditableInput = function(cm) {
+ this.cm = cm;
+ this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
+ this.polling = new Delayed();
+ this.composing = null;
+ this.gracePeriod = false;
+ this.readDOMTimeout = null;
+};
+
+ContentEditableInput.prototype.init = function (display) {
+ var this$1 = this;
+
+ var input = this, cm = input.cm;
+ var div = input.div = display.lineDiv;
+ disableBrowserMagic(div, cm.options.spellcheck);
+
+ on(div, "paste", function (e) {
+ if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
+ // IE doesn't fire input events, so we schedule a read for the pasted content in this way
+ if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }
+ });
+
+ on(div, "compositionstart", function (e) {
+ this$1.composing = {data: e.data, done: false};
+ });
+ on(div, "compositionupdate", function (e) {
+ if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }
+ });
+ on(div, "compositionend", function (e) {
+ if (this$1.composing) {
+ if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }
+ this$1.composing.done = true;
+ }
+ });
+
+ on(div, "touchstart", function () { return input.forceCompositionEnd(); });
+
+ on(div, "input", function () {
+ if (!this$1.composing) { this$1.readFromDOMSoon(); }
+ });
+
+ function onCopyCut(e) {
+ if (signalDOMEvent(cm, e)) { return }
+ if (cm.somethingSelected()) {
+ setLastCopied({lineWise: false, text: cm.getSelections()});
+ if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }
+ } else if (!cm.options.lineWiseCopyCut) {
+ return
+ } else {
+ var ranges = copyableRanges(cm);
+ setLastCopied({lineWise: true, text: ranges.text});
+ if (e.type == "cut") {
+ cm.operation(function () {
+ cm.setSelections(ranges.ranges, 0, sel_dontScroll);
+ cm.replaceSelection("", null, "cut");
+ });
+ }
+ }
+ if (e.clipboardData) {
+ e.clipboardData.clearData();
+ var content = lastCopied.text.join("\n");
+ // iOS exposes the clipboard API, but seems to discard content inserted into it
+ e.clipboardData.setData("Text", content);
+ if (e.clipboardData.getData("Text") == content) {
+ e.preventDefault();
+ return
+ }
+ }
+ // Old-fashioned briefly-focus-a-textarea hack
+ var kludge = hiddenTextarea(), te = kludge.firstChild;
+ cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
+ te.value = lastCopied.text.join("\n");
+ var hadFocus = document.activeElement;
+ selectInput(te);
+ setTimeout(function () {
+ cm.display.lineSpace.removeChild(kludge);
+ hadFocus.focus();
+ if (hadFocus == div) { input.showPrimarySelection(); }
+ }, 50);
+ }
+ on(div, "copy", onCopyCut);
+ on(div, "cut", onCopyCut);
+};
+
+ContentEditableInput.prototype.prepareSelection = function () {
+ var result = prepareSelection(this.cm, false);
+ result.focus = this.cm.state.focused;
+ return result
+};
+
+ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
+ if (!info || !this.cm.display.view.length) { return }
+ if (info.focus || takeFocus) { this.showPrimarySelection(); }
+ this.showMultipleSelections(info);
+};
+
+ContentEditableInput.prototype.showPrimarySelection = function () {
+ var sel = window.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
+ var from = prim.from(), to = prim.to();
+
+ if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
+ sel.removeAllRanges();
+ return
+ }
+
+ var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+ var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
+ if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
+ cmp(minPos(curAnchor, curFocus), from) == 0 &&
+ cmp(maxPos(curAnchor, curFocus), to) == 0)
+ { return }
+
+ var view = cm.display.view;
+ var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
+ {node: view[0].measure.map[2], offset: 0};
+ var end = to.line < cm.display.viewTo && posToDOM(cm, to);
+ if (!end) {
+ var measure = view[view.length - 1].measure;
+ var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
+ end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};
+ }
+
+ if (!start || !end) {
+ sel.removeAllRanges();
+ return
+ }
+
+ var old = sel.rangeCount && sel.getRangeAt(0), rng;
+ try { rng = range(start.node, start.offset, end.offset, end.node); }
+ catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
+ if (rng) {
+ if (!gecko && cm.state.focused) {
+ sel.collapse(start.node, start.offset);
+ if (!rng.collapsed) {
+ sel.removeAllRanges();
+ sel.addRange(rng);
+ }
+ } else {
+ sel.removeAllRanges();
+ sel.addRange(rng);
+ }
+ if (old && sel.anchorNode == null) { sel.addRange(old); }
+ else if (gecko) { this.startGracePeriod(); }
+ }
+ this.rememberSelection();
+};
+
+ContentEditableInput.prototype.startGracePeriod = function () {
+ var this$1 = this;
+
+ clearTimeout(this.gracePeriod);
+ this.gracePeriod = setTimeout(function () {
+ this$1.gracePeriod = false;
+ if (this$1.selectionChanged())
+ { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }
+ }, 20);
+};
+
+ContentEditableInput.prototype.showMultipleSelections = function (info) {
+ removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
+ removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
+};
+
+ContentEditableInput.prototype.rememberSelection = function () {
+ var sel = window.getSelection();
+ this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
+ this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
+};
+
+ContentEditableInput.prototype.selectionInEditor = function () {
+ var sel = window.getSelection();
+ if (!sel.rangeCount) { return false }
+ var node = sel.getRangeAt(0).commonAncestorContainer;
+ return contains(this.div, node)
+};
+
+ContentEditableInput.prototype.focus = function () {
+ if (this.cm.options.readOnly != "nocursor") {
+ if (!this.selectionInEditor())
+ { this.showSelection(this.prepareSelection(), true); }
+ this.div.focus();
+ }
+};
+ContentEditableInput.prototype.blur = function () { this.div.blur(); };
+ContentEditableInput.prototype.getField = function () { return this.div };
+
+ContentEditableInput.prototype.supportsTouch = function () { return true };
+
+ContentEditableInput.prototype.receivedFocus = function () {
+ var input = this;
+ if (this.selectionInEditor())
+ { this.pollSelection(); }
+ else
+ { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }
+
+ function poll() {
+ if (input.cm.state.focused) {
+ input.pollSelection();
+ input.polling.set(input.cm.options.pollInterval, poll);
+ }
+ }
+ this.polling.set(this.cm.options.pollInterval, poll);
+};
+
+ContentEditableInput.prototype.selectionChanged = function () {
+ var sel = window.getSelection();
+ return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
+ sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
+};
+
+ContentEditableInput.prototype.pollSelection = function () {
+ if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
+ var sel = window.getSelection(), cm = this.cm;
+ // On Android Chrome (version 56, at least), backspacing into an
+ // uneditable block element will put the cursor in that element,
+ // and then, because it's not editable, hide the virtual keyboard.
+ // Because Android doesn't allow us to actually detect backspace
+ // presses in a sane way, this code checks for when that happens
+ // and simulates a backspace press in this case.
+ if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) {
+ this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
+ this.blur();
+ this.focus();
+ return
+ }
+ if (this.composing) { return }
+ this.rememberSelection();
+ var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+ var head = domToPos(cm, sel.focusNode, sel.focusOffset);
+ if (anchor && head) { runInOp(cm, function () {
+ setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
+ if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }
+ }); }
+};
+
+ContentEditableInput.prototype.pollContent = function () {
+ if (this.readDOMTimeout != null) {
+ clearTimeout(this.readDOMTimeout);
+ this.readDOMTimeout = null;
+ }
+
+ var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
+ var from = sel.from(), to = sel.to();
+ if (from.ch == 0 && from.line > cm.firstLine())
+ { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }
+ if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
+ { to = Pos(to.line + 1, 0); }
+ if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }
+
+ var fromIndex, fromLine, fromNode;
+ if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
+ fromLine = lineNo(display.view[0].line);
+ fromNode = display.view[0].node;
+ } else {
+ fromLine = lineNo(display.view[fromIndex].line);
+ fromNode = display.view[fromIndex - 1].node.nextSibling;
+ }
+ var toIndex = findViewIndex(cm, to.line);
+ var toLine, toNode;
+ if (toIndex == display.view.length - 1) {
+ toLine = display.viewTo - 1;
+ toNode = display.lineDiv.lastChild;
+ } else {
+ toLine = lineNo(display.view[toIndex + 1].line) - 1;
+ toNode = display.view[toIndex + 1].node.previousSibling;
+ }
+
+ if (!fromNode) { return false }
+ var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
+ var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
+ while (newText.length > 1 && oldText.length > 1) {
+ if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
+ else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
+ else { break }
+ }
+
+ var cutFront = 0, cutEnd = 0;
+ var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
+ while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
+ { ++cutFront; }
+ var newBot = lst(newText), oldBot = lst(oldText);
+ var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
+ oldBot.length - (oldText.length == 1 ? cutFront : 0));
+ while (cutEnd < maxCutEnd &&
+ newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
+ { ++cutEnd; }
+ // Try to move start of change to start of selection if ambiguous
+ if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
+ while (cutFront && cutFront > from.ch &&
+ newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
+ cutFront--;
+ cutEnd++;
+ }
+ }
+
+ newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
+ newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");
+
+ var chFrom = Pos(fromLine, cutFront);
+ var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
+ if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
+ replaceRange(cm.doc, newText, chFrom, chTo, "+input");
+ return true
+ }
+};
+
+ContentEditableInput.prototype.ensurePolled = function () {
+ this.forceCompositionEnd();
+};
+ContentEditableInput.prototype.reset = function () {
+ this.forceCompositionEnd();
+};
+ContentEditableInput.prototype.forceCompositionEnd = function () {
+ if (!this.composing) { return }
+ clearTimeout(this.readDOMTimeout);
+ this.composing = null;
+ this.updateFromDOM();
+ this.div.blur();
+ this.div.focus();
+};
+ContentEditableInput.prototype.readFromDOMSoon = function () {
+ var this$1 = this;
+
+ if (this.readDOMTimeout != null) { return }
+ this.readDOMTimeout = setTimeout(function () {
+ this$1.readDOMTimeout = null;
+ if (this$1.composing) {
+ if (this$1.composing.done) { this$1.composing = null; }
+ else { return }
+ }
+ this$1.updateFromDOM();
+ }, 80);
+};
+
+ContentEditableInput.prototype.updateFromDOM = function () {
+ var this$1 = this;
+
+ if (this.cm.isReadOnly() || !this.pollContent())
+ { runInOp(this.cm, function () { return regChange(this$1.cm); }); }
+};
+
+ContentEditableInput.prototype.setUneditable = function (node) {
+ node.contentEditable = "false";
+};
+
+ContentEditableInput.prototype.onKeyPress = function (e) {
+ if (e.charCode == 0) { return }
+ e.preventDefault();
+ if (!this.cm.isReadOnly())
+ { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }
+};
+
+ContentEditableInput.prototype.readOnlyChanged = function (val) {
+ this.div.contentEditable = String(val != "nocursor");
+};
+
+ContentEditableInput.prototype.onContextMenu = function () {};
+ContentEditableInput.prototype.resetPosition = function () {};
+
+ContentEditableInput.prototype.needsContentAttribute = true;
+
+function posToDOM(cm, pos) {
+ var view = findViewForLine(cm, pos.line);
+ if (!view || view.hidden) { return null }
+ var line = getLine(cm.doc, pos.line);
+ var info = mapFromLineView(view, line, pos.line);
+
+ var order = getOrder(line, cm.doc.direction), side = "left";
+ if (order) {
+ var partPos = getBidiPartAt(order, pos.ch);
+ side = partPos % 2 ? "right" : "left";
+ }
+ var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
+ result.offset = result.collapse == "right" ? result.end : result.start;
+ return result
+}
+
+function isInGutter(node) {
+ for (var scan = node; scan; scan = scan.parentNode)
+ { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
+ return false
+}
+
+function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }
+
+function domTextBetween(cm, from, to, fromLine, toLine) {
+ var text = "", closing = false, lineSep = cm.doc.lineSeparator();
+ function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
+ function close() {
+ if (closing) {
+ text += lineSep;
+ closing = false;
+ }
+ }
+ function addText(str) {
+ if (str) {
+ close();
+ text += str;
+ }
+ }
+ function walk(node) {
+ if (node.nodeType == 1) {
+ var cmText = node.getAttribute("cm-text");
+ if (cmText != null) {
+ addText(cmText || node.textContent.replace(/\u200b/g, ""));
+ return
+ }
+ var markerID = node.getAttribute("cm-marker"), range$$1;
+ if (markerID) {
+ var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
+ if (found.length && (range$$1 = found[0].find(0)))
+ { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }
+ return
+ }
+ if (node.getAttribute("contenteditable") == "false") { return }
+ var isBlock = /^(pre|div|p)$/i.test(node.nodeName);
+ if (isBlock) { close(); }
+ for (var i = 0; i < node.childNodes.length; i++)
+ { walk(node.childNodes[i]); }
+ if (isBlock) { closing = true; }
+ } else if (node.nodeType == 3) {
+ addText(node.nodeValue);
+ }
+ }
+ for (;;) {
+ walk(from);
+ if (from == to) { break }
+ from = from.nextSibling;
+ }
+ return text
+}
+
+function domToPos(cm, node, offset) {
+ var lineNode;
+ if (node == cm.display.lineDiv) {
+ lineNode = cm.display.lineDiv.childNodes[offset];
+ if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
+ node = null; offset = 0;
+ } else {
+ for (lineNode = node;; lineNode = lineNode.parentNode) {
+ if (!lineNode || lineNode == cm.display.lineDiv) { return null }
+ if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
+ }
+ }
+ for (var i = 0; i < cm.display.view.length; i++) {
+ var lineView = cm.display.view[i];
+ if (lineView.node == lineNode)
+ { return locateNodeInLineView(lineView, node, offset) }
+ }
+}
+
+function locateNodeInLineView(lineView, node, offset) {
+ var wrapper = lineView.text.firstChild, bad = false;
+ if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
+ if (node == wrapper) {
+ bad = true;
+ node = wrapper.childNodes[offset];
+ offset = 0;
+ if (!node) {
+ var line = lineView.rest ? lst(lineView.rest) : lineView.line;
+ return badPos(Pos(lineNo(line), line.text.length), bad)
+ }
+ }
+
+ var textNode = node.nodeType == 3 ? node : null, topNode = node;
+ if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
+ textNode = node.firstChild;
+ if (offset) { offset = textNode.nodeValue.length; }
+ }
+ while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }
+ var measure = lineView.measure, maps = measure.maps;
+
+ function find(textNode, topNode, offset) {
+ for (var i = -1; i < (maps ? maps.length : 0); i++) {
+ var map$$1 = i < 0 ? measure.map : maps[i];
+ for (var j = 0; j < map$$1.length; j += 3) {
+ var curNode = map$$1[j + 2];
+ if (curNode == textNode || curNode == topNode) {
+ var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
+ var ch = map$$1[j] + offset;
+ if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }
+ return Pos(line, ch)
+ }
+ }
+ }
+ }
+ var found = find(textNode, topNode, offset);
+ if (found) { return badPos(found, bad) }
+
+ // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
+ for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
+ found = find(after, after.firstChild, 0);
+ if (found)
+ { return badPos(Pos(found.line, found.ch - dist), bad) }
+ else
+ { dist += after.textContent.length; }
+ }
+ for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
+ found = find(before, before.firstChild, -1);
+ if (found)
+ { return badPos(Pos(found.line, found.ch + dist$1), bad) }
+ else
+ { dist$1 += before.textContent.length; }
+ }
+}
+
+// TEXTAREA INPUT STYLE
+
+var TextareaInput = function(cm) {
+ this.cm = cm;
+ // See input.poll and input.reset
+ this.prevInput = "";
+
+ // Flag that indicates whether we expect input to appear real soon
+ // now (after some event like 'keypress' or 'input') and are
+ // polling intensively.
+ this.pollingFast = false;
+ // Self-resetting timeout for the poller
+ this.polling = new Delayed();
+ // Used to work around IE issue with selection being forgotten when focus moves away from textarea
+ this.hasSelection = false;
+ this.composing = null;
+};
+
+TextareaInput.prototype.init = function (display) {
+ var this$1 = this;
+
+ var input = this, cm = this.cm;
+
+ // Wraps and hides input textarea
+ var div = this.wrapper = hiddenTextarea();
+ // The semihidden textarea that is focused when the editor is
+ // focused, and receives input.
+ var te = this.textarea = div.firstChild;
+ display.wrapper.insertBefore(div, display.wrapper.firstChild);
+
+ // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
+ if (ios) { te.style.width = "0px"; }
+
+ on(te, "input", function () {
+ if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }
+ input.poll();
+ });
+
+ on(te, "paste", function (e) {
+ if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
+
+ cm.state.pasteIncoming = true;
+ input.fastPoll();
+ });
+
+ function prepareCopyCut(e) {
+ if (signalDOMEvent(cm, e)) { return }
+ if (cm.somethingSelected()) {
+ setLastCopied({lineWise: false, text: cm.getSelections()});
+ } else if (!cm.options.lineWiseCopyCut) {
+ return
+ } else {
+ var ranges = copyableRanges(cm);
+ setLastCopied({lineWise: true, text: ranges.text});
+ if (e.type == "cut") {
+ cm.setSelections(ranges.ranges, null, sel_dontScroll);
+ } else {
+ input.prevInput = "";
+ te.value = ranges.text.join("\n");
+ selectInput(te);
+ }
+ }
+ if (e.type == "cut") { cm.state.cutIncoming = true; }
+ }
+ on(te, "cut", prepareCopyCut);
+ on(te, "copy", prepareCopyCut);
+
+ on(display.scroller, "paste", function (e) {
+ if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
+ cm.state.pasteIncoming = true;
+ input.focus();
+ });
+
+ // Prevent normal selection in the editor (we handle our own)
+ on(display.lineSpace, "selectstart", function (e) {
+ if (!eventInWidget(display, e)) { e_preventDefault(e); }
+ });
+
+ on(te, "compositionstart", function () {
+ var start = cm.getCursor("from");
+ if (input.composing) { input.composing.range.clear(); }
+ input.composing = {
+ start: start,
+ range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
+ };
+ });
+ on(te, "compositionend", function () {
+ if (input.composing) {
+ input.poll();
+ input.composing.range.clear();
+ input.composing = null;
+ }
+ });
+};
+
+TextareaInput.prototype.prepareSelection = function () {
+ // Redraw the selection and/or cursor
+ var cm = this.cm, display = cm.display, doc = cm.doc;
+ var result = prepareSelection(cm);
+
+ // Move the hidden textarea near the cursor to prevent scrolling artifacts
+ if (cm.options.moveInputWithCursor) {
+ var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
+ var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
+ result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
+ headPos.top + lineOff.top - wrapOff.top));
+ result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
+ headPos.left + lineOff.left - wrapOff.left));
+ }
+
+ return result
+};
+
+TextareaInput.prototype.showSelection = function (drawn) {
+ var cm = this.cm, display = cm.display;
+ removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
+ removeChildrenAndAdd(display.selectionDiv, drawn.selection);
+ if (drawn.teTop != null) {
+ this.wrapper.style.top = drawn.teTop + "px";
+ this.wrapper.style.left = drawn.teLeft + "px";
+ }
+};
+
+// Reset the input to correspond to the selection (or to be empty,
+// when not typing and nothing is selected)
+TextareaInput.prototype.reset = function (typing) {
+ if (this.contextMenuPending || this.composing) { return }
+ var cm = this.cm;
+ if (cm.somethingSelected()) {
+ this.prevInput = "";
+ var content = cm.getSelection();
+ this.textarea.value = content;
+ if (cm.state.focused) { selectInput(this.textarea); }
+ if (ie && ie_version >= 9) { this.hasSelection = content; }
+ } else if (!typing) {
+ this.prevInput = this.textarea.value = "";
+ if (ie && ie_version >= 9) { this.hasSelection = null; }
+ }
+};
+
+TextareaInput.prototype.getField = function () { return this.textarea };
+
+TextareaInput.prototype.supportsTouch = function () { return false };
+
+TextareaInput.prototype.focus = function () {
+ if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
+ try { this.textarea.focus(); }
+ catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
+ }
+};
+
+TextareaInput.prototype.blur = function () { this.textarea.blur(); };
+
+TextareaInput.prototype.resetPosition = function () {
+ this.wrapper.style.top = this.wrapper.style.left = 0;
+};
+
+TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };
+
+// Poll for input changes, using the normal rate of polling. This
+// runs as long as the editor is focused.
+TextareaInput.prototype.slowPoll = function () {
+ var this$1 = this;
+
+ if (this.pollingFast) { return }
+ this.polling.set(this.cm.options.pollInterval, function () {
+ this$1.poll();
+ if (this$1.cm.state.focused) { this$1.slowPoll(); }
+ });
+};
+
+// When an event has just come in that is likely to add or change
+// something in the input textarea, we poll faster, to ensure that
+// the change appears on the screen quickly.
+TextareaInput.prototype.fastPoll = function () {
+ var missed = false, input = this;
+ input.pollingFast = true;
+ function p() {
+ var changed = input.poll();
+ if (!changed && !missed) {missed = true; input.polling.set(60, p);}
+ else {input.pollingFast = false; input.slowPoll();}
+ }
+ input.polling.set(20, p);
+};
+
+// Read input from the textarea, and update the document to match.
+// When something is selected, it is present in the textarea, and
+// selected (unless it is huge, in which case a placeholder is
+// used). When nothing is selected, the cursor sits after previously
+// seen text (can be empty), which is stored in prevInput (we must
+// not reset the textarea when typing, because that breaks IME).
+TextareaInput.prototype.poll = function () {
+ var this$1 = this;
+
+ var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
+ // Since this is called a *lot*, try to bail out as cheaply as
+ // possible when it is clear that nothing happened. hasSelection
+ // will be the case when there is a lot of text in the textarea,
+ // in which case reading its value would be expensive.
+ if (this.contextMenuPending || !cm.state.focused ||
+ (hasSelection(input) && !prevInput && !this.composing) ||
+ cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
+ { return false }
+
+ var text = input.value;
+ // If nothing changed, bail.
+ if (text == prevInput && !cm.somethingSelected()) { return false }
+ // Work around nonsensical selection resetting in IE9/10, and
+ // inexplicable appearance of private area unicode characters on
+ // some key combos in Mac (#2689).
+ if (ie && ie_version >= 9 && this.hasSelection === text ||
+ mac && /[\uf700-\uf7ff]/.test(text)) {
+ cm.display.input.reset();
+ return false
+ }
+
+ if (cm.doc.sel == cm.display.selForContextMenu) {
+ var first = text.charCodeAt(0);
+ if (first == 0x200b && !prevInput) { prevInput = "\u200b"; }
+ if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
+ }
+ // Find the part of the input that is actually new
+ var same = 0, l = Math.min(prevInput.length, text.length);
+ while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }
+
+ runInOp(cm, function () {
+ applyTextInput(cm, text.slice(same), prevInput.length - same,
+ null, this$1.composing ? "*compose" : null);
+
+ // Don't leave long text in the textarea, since it makes further polling slow
+ if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; }
+ else { this$1.prevInput = text; }
+
+ if (this$1.composing) {
+ this$1.composing.range.clear();
+ this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),
+ {className: "CodeMirror-composing"});
+ }
+ });
+ return true
+};
+
+TextareaInput.prototype.ensurePolled = function () {
+ if (this.pollingFast && this.poll()) { this.pollingFast = false; }
+};
+
+TextareaInput.prototype.onKeyPress = function () {
+ if (ie && ie_version >= 9) { this.hasSelection = null; }
+ this.fastPoll();
+};
+
+TextareaInput.prototype.onContextMenu = function (e) {
+ var input = this, cm = input.cm, display = cm.display, te = input.textarea;
+ var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
+ if (!pos || presto) { return } // Opera is difficult.
+
+ // Reset the current text selection only if the click is done outside of the selection
+ // and 'resetSelectionOnContextMenu' option is true.
+ var reset = cm.options.resetSelectionOnContextMenu;
+ if (reset && cm.doc.sel.contains(pos) == -1)
+ { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }
+
+ var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
+ input.wrapper.style.cssText = "position: absolute";
+ var wrapperBox = input.wrapper.getBoundingClientRect();
+ te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
+ var oldScrollY;
+ if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)
+ display.input.focus();
+ if (webkit) { window.scrollTo(null, oldScrollY); }
+ display.input.reset();
+ // Adds "Select all" to context menu in FF
+ if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }
+ input.contextMenuPending = true;
+ display.selForContextMenu = cm.doc.sel;
+ clearTimeout(display.detectingSelectAll);
+
+ // Select-all will be greyed out if there's nothing to select, so
+ // this adds a zero-width space so that we can later check whether
+ // it got selected.
+ function prepareSelectAllHack() {
+ if (te.selectionStart != null) {
+ var selected = cm.somethingSelected();
+ var extval = "\u200b" + (selected ? te.value : "");
+ te.value = "\u21da"; // Used to catch context-menu undo
+ te.value = extval;
+ input.prevInput = selected ? "" : "\u200b";
+ te.selectionStart = 1; te.selectionEnd = extval.length;
+ // Re-set this, in case some other handler touched the
+ // selection in the meantime.
+ display.selForContextMenu = cm.doc.sel;
+ }
+ }
+ function rehide() {
+ input.contextMenuPending = false;
+ input.wrapper.style.cssText = oldWrapperCSS;
+ te.style.cssText = oldCSS;
+ if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }
+
+ // Try to detect the user choosing select-all
+ if (te.selectionStart != null) {
+ if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }
+ var i = 0, poll = function () {
+ if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
+ te.selectionEnd > 0 && input.prevInput == "\u200b") {
+ operation(cm, selectAll)(cm);
+ } else if (i++ < 10) {
+ display.detectingSelectAll = setTimeout(poll, 500);
+ } else {
+ display.selForContextMenu = null;
+ display.input.reset();
+ }
+ };
+ display.detectingSelectAll = setTimeout(poll, 200);
+ }
+ }
+
+ if (ie && ie_version >= 9) { prepareSelectAllHack(); }
+ if (captureRightClick) {
+ e_stop(e);
+ var mouseup = function () {
+ off(window, "mouseup", mouseup);
+ setTimeout(rehide, 20);
+ };
+ on(window, "mouseup", mouseup);
+ } else {
+ setTimeout(rehide, 50);
+ }
+};
+
+TextareaInput.prototype.readOnlyChanged = function (val) {
+ if (!val) { this.reset(); }
+ this.textarea.disabled = val == "nocursor";
+};
+
+TextareaInput.prototype.setUneditable = function () {};
+
+TextareaInput.prototype.needsContentAttribute = false;
+
+function fromTextArea(textarea, options) {
+ options = options ? copyObj(options) : {};
+ options.value = textarea.value;
+ if (!options.tabindex && textarea.tabIndex)
+ { options.tabindex = textarea.tabIndex; }
+ if (!options.placeholder && textarea.placeholder)
+ { options.placeholder = textarea.placeholder; }
+ // Set autofocus to true if this textarea is focused, or if it has
+ // autofocus and no other element is focused.
+ if (options.autofocus == null) {
+ var hasFocus = activeElt();
+ options.autofocus = hasFocus == textarea ||
+ textarea.getAttribute("autofocus") != null && hasFocus == document.body;
+ }
+
+ function save() {textarea.value = cm.getValue();}
+
+ var realSubmit;
+ if (textarea.form) {
+ on(textarea.form, "submit", save);
+ // Deplorable hack to make the submit method do the right thing.
+ if (!options.leaveSubmitMethodAlone) {
+ var form = textarea.form;
+ realSubmit = form.submit;
+ try {
+ var wrappedSubmit = form.submit = function () {
+ save();
+ form.submit = realSubmit;
+ form.submit();
+ form.submit = wrappedSubmit;
+ };
+ } catch(e) {}
+ }
+ }
+
+ options.finishInit = function (cm) {
+ cm.save = save;
+ cm.getTextArea = function () { return textarea; };
+ cm.toTextArea = function () {
+ cm.toTextArea = isNaN; // Prevent this from being ran twice
+ save();
+ textarea.parentNode.removeChild(cm.getWrapperElement());
+ textarea.style.display = "";
+ if (textarea.form) {
+ off(textarea.form, "submit", save);
+ if (typeof textarea.form.submit == "function")
+ { textarea.form.submit = realSubmit; }
+ }
+ };
+ };
+
+ textarea.style.display = "none";
+ var cm = CodeMirror$1(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
+ options);
+ return cm
+}
+
+function addLegacyProps(CodeMirror) {
+ CodeMirror.off = off;
+ CodeMirror.on = on;
+ CodeMirror.wheelEventPixels = wheelEventPixels;
+ CodeMirror.Doc = Doc;
+ CodeMirror.splitLines = splitLinesAuto;
+ CodeMirror.countColumn = countColumn;
+ CodeMirror.findColumn = findColumn;
+ CodeMirror.isWordChar = isWordCharBasic;
+ CodeMirror.Pass = Pass;
+ CodeMirror.signal = signal;
+ CodeMirror.Line = Line;
+ CodeMirror.changeEnd = changeEnd;
+ CodeMirror.scrollbarModel = scrollbarModel;
+ CodeMirror.Pos = Pos;
+ CodeMirror.cmpPos = cmp;
+ CodeMirror.modes = modes;
+ CodeMirror.mimeModes = mimeModes;
+ CodeMirror.resolveMode = resolveMode;
+ CodeMirror.getMode = getMode;
+ CodeMirror.modeExtensions = modeExtensions;
+ CodeMirror.extendMode = extendMode;
+ CodeMirror.copyState = copyState;
+ CodeMirror.startState = startState;
+ CodeMirror.innerMode = innerMode;
+ CodeMirror.commands = commands;
+ CodeMirror.keyMap = keyMap;
+ CodeMirror.keyName = keyName;
+ CodeMirror.isModifierKey = isModifierKey;
+ CodeMirror.lookupKey = lookupKey;
+ CodeMirror.normalizeKeyMap = normalizeKeyMap;
+ CodeMirror.StringStream = StringStream;
+ CodeMirror.SharedTextMarker = SharedTextMarker;
+ CodeMirror.TextMarker = TextMarker;
+ CodeMirror.LineWidget = LineWidget;
+ CodeMirror.e_preventDefault = e_preventDefault;
+ CodeMirror.e_stopPropagation = e_stopPropagation;
+ CodeMirror.e_stop = e_stop;
+ CodeMirror.addClass = addClass;
+ CodeMirror.contains = contains;
+ CodeMirror.rmClass = rmClass;
+ CodeMirror.keyNames = keyNames;
+}
+
+// EDITOR CONSTRUCTOR
+
+defineOptions(CodeMirror$1);
+
+addEditorMethods(CodeMirror$1);
+
+// Set up methods on CodeMirror's prototype to redirect to the editor's document.
+var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
+for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
+ { CodeMirror$1.prototype[prop] = (function(method) {
+ return function() {return method.apply(this.doc, arguments)}
+ })(Doc.prototype[prop]); } }
+
+eventMixin(Doc);
+
+// INPUT HANDLING
+
+CodeMirror$1.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
+
+// MODE DEFINITION AND QUERYING
+
+// Extra arguments are stored as the mode's dependencies, which is
+// used by (legacy) mechanisms like loadmode.js to automatically
+// load a mode. (Preferred mechanism is the require/define calls.)
+CodeMirror$1.defineMode = function(name/*, mode, …*/) {
+ if (!CodeMirror$1.defaults.mode && name != "null") { CodeMirror$1.defaults.mode = name; }
+ defineMode.apply(this, arguments);
+};
+
+CodeMirror$1.defineMIME = defineMIME;
+
+// Minimal default mode.
+CodeMirror$1.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
+CodeMirror$1.defineMIME("text/plain", "null");
+
+// EXTENSIONS
+
+CodeMirror$1.defineExtension = function (name, func) {
+ CodeMirror$1.prototype[name] = func;
+};
+CodeMirror$1.defineDocExtension = function (name, func) {
+ Doc.prototype[name] = func;
+};
+
+CodeMirror$1.fromTextArea = fromTextArea;
+
+addLegacyProps(CodeMirror$1);
+
+CodeMirror$1.version = "5.30.0";
+
+return CodeMirror$1;
+
+})));
+
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = SyntaxUnit;
+
+/**
+ * Base type to represent a single syntactic unit.
+ * @class SyntaxUnit
+ * @namespace parserlib.util
+ * @constructor
+ * @param {String} text The text of the unit.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function SyntaxUnit(text, line, col, type) {
+
+
+ /**
+ * The column of text on which the unit resides.
+ * @type int
+ * @property col
+ */
+ this.col = col;
+
+ /**
+ * The line of text on which the unit resides.
+ * @type int
+ * @property line
+ */
+ this.line = line;
+
+ /**
+ * The text representation of the unit.
+ * @type String
+ * @property text
+ */
+ this.text = text;
+
+ /**
+ * The type of syntax unit.
+ * @type int
+ * @property type
+ */
+ this.type = type;
+}
+
+/**
+ * Create a new syntax unit based solely on the given token.
+ * Convenience method for creating a new syntax unit when
+ * it represents a single token instead of multiple.
+ * @param {Object} token The token object to represent.
+ * @return {parserlib.util.SyntaxUnit} The object representing the token.
+ * @static
+ * @method fromToken
+ */
+SyntaxUnit.fromToken = function(token) {
+ return new SyntaxUnit(token.value, token.startLine, token.startCol);
+};
+
+SyntaxUnit.prototype = {
+
+ //restore constructor
+ constructor: SyntaxUnit,
+
+ /**
+ * Returns the text representation of the unit.
+ * @return {String} The text representation of the unit.
+ * @method valueOf
+ */
+ valueOf: function() {
+ return this.toString();
+ },
+
+ /**
+ * Returns the text representation of the unit.
+ * @return {String} The text representation of the unit.
+ * @method toString
+ */
+ toString: function() {
+ return this.text;
+ }
+
+};
+
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = Parser;
+
+var EventTarget = __webpack_require__(22);
+var SyntaxError = __webpack_require__(5);
+var SyntaxUnit = __webpack_require__(1);
+
+var Combinator = __webpack_require__(21);
+var MediaFeature = __webpack_require__(23);
+var MediaQuery = __webpack_require__(24);
+var PropertyName = __webpack_require__(25);
+var PropertyValue = __webpack_require__(26);
+var PropertyValuePart = __webpack_require__(11);
+var Selector = __webpack_require__(27);
+var SelectorPart = __webpack_require__(12);
+var SelectorSubPart = __webpack_require__(29);
+var TokenStream = __webpack_require__(30);
+var Tokens = __webpack_require__(6);
+var Validation = __webpack_require__(64);
+
+/**
+ * A CSS3 parser.
+ * @namespace parserlib.css
+ * @class Parser
+ * @constructor
+ * @param {Object} options (Optional) Various options for the parser:
+ * starHack (true|false) to allow IE6 star hack as valid,
+ * underscoreHack (true|false) to interpret leading underscores
+ * as IE6-7 targeting for known properties, ieFilters (true|false)
+ * to indicate that IE < 8 filters should be accepted and not throw
+ * syntax errors.
+ */
+function Parser(options) {
+
+ //inherit event functionality
+ EventTarget.call(this);
+
+
+ this.options = options || {};
+
+ this._tokenStream = null;
+}
+
+//Static constants
+Parser.DEFAULT_TYPE = 0;
+Parser.COMBINATOR_TYPE = 1;
+Parser.MEDIA_FEATURE_TYPE = 2;
+Parser.MEDIA_QUERY_TYPE = 3;
+Parser.PROPERTY_NAME_TYPE = 4;
+Parser.PROPERTY_VALUE_TYPE = 5;
+Parser.PROPERTY_VALUE_PART_TYPE = 6;
+Parser.SELECTOR_TYPE = 7;
+Parser.SELECTOR_PART_TYPE = 8;
+Parser.SELECTOR_SUB_PART_TYPE = 9;
+
+Parser.prototype = function() {
+
+ var proto = new EventTarget(), //new prototype
+ prop,
+ additions = {
+ __proto__: null,
+
+ //restore constructor
+ constructor: Parser,
+
+ //instance constants - yuck
+ DEFAULT_TYPE : 0,
+ COMBINATOR_TYPE : 1,
+ MEDIA_FEATURE_TYPE : 2,
+ MEDIA_QUERY_TYPE : 3,
+ PROPERTY_NAME_TYPE : 4,
+ PROPERTY_VALUE_TYPE : 5,
+ PROPERTY_VALUE_PART_TYPE : 6,
+ SELECTOR_TYPE : 7,
+ SELECTOR_PART_TYPE : 8,
+ SELECTOR_SUB_PART_TYPE : 9,
+
+ //-----------------------------------------------------------------
+ // Grammar
+ //-----------------------------------------------------------------
+
+ _stylesheet: function() {
+
+ /*
+ * stylesheet
+ * : [ CHARSET_SYM S* STRING S* ';' ]?
+ * [S|CDO|CDC]* [ import [S|CDO|CDC]* ]*
+ * [ namespace [S|CDO|CDC]* ]*
+ * [ [ ruleset | media | page | font_face | keyframes_rule | supports_rule ] [S|CDO|CDC]* ]*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ count,
+ token,
+ tt;
+
+ this.fire("startstylesheet");
+
+ //try to read character set
+ this._charset();
+
+ this._skipCruft();
+
+ //try to read imports - may be more than one
+ while (tokenStream.peek() === Tokens.IMPORT_SYM) {
+ this._import();
+ this._skipCruft();
+ }
+
+ //try to read namespaces - may be more than one
+ while (tokenStream.peek() === Tokens.NAMESPACE_SYM) {
+ this._namespace();
+ this._skipCruft();
+ }
+
+ //get the next token
+ tt = tokenStream.peek();
+
+ //try to read the rest
+ while (tt > Tokens.EOF) {
+
+ try {
+
+ switch (tt) {
+ case Tokens.MEDIA_SYM:
+ this._media();
+ this._skipCruft();
+ break;
+ case Tokens.PAGE_SYM:
+ this._page();
+ this._skipCruft();
+ break;
+ case Tokens.FONT_FACE_SYM:
+ this._font_face();
+ this._skipCruft();
+ break;
+ case Tokens.KEYFRAMES_SYM:
+ this._keyframes();
+ this._skipCruft();
+ break;
+ case Tokens.VIEWPORT_SYM:
+ this._viewport();
+ this._skipCruft();
+ break;
+ case Tokens.DOCUMENT_SYM:
+ this._document();
+ this._skipCruft();
+ break;
+ case Tokens.SUPPORTS_SYM:
+ this._supports();
+ this._skipCruft();
+ break;
+ case Tokens.UNKNOWN_SYM: //unknown @ rule
+ tokenStream.get();
+ if (!this.options.strict) {
+
+ //fire error event
+ this.fire({
+ type: "error",
+ error: null,
+ message: "Unknown @ rule: " + tokenStream.LT(0).value + ".",
+ line: tokenStream.LT(0).startLine,
+ col: tokenStream.LT(0).startCol
+ });
+
+ //skip braces
+ count=0;
+ while (tokenStream.advance([Tokens.LBRACE, Tokens.RBRACE]) === Tokens.LBRACE) {
+ count++; //keep track of nesting depth
+ }
+
+ while (count) {
+ tokenStream.advance([Tokens.RBRACE]);
+ count--;
+ }
+
+ } else {
+ //not a syntax error, rethrow it
+ throw new SyntaxError("Unknown @ rule.", tokenStream.LT(0).startLine, tokenStream.LT(0).startCol);
+ }
+ break;
+ case Tokens.S:
+ this._readWhitespace();
+ break;
+ default:
+ if (!this._ruleset()) {
+
+ //error handling for known issues
+ switch (tt) {
+ case Tokens.CHARSET_SYM:
+ token = tokenStream.LT(1);
+ this._charset(false);
+ throw new SyntaxError("@charset not allowed here.", token.startLine, token.startCol);
+ case Tokens.IMPORT_SYM:
+ token = tokenStream.LT(1);
+ this._import(false);
+ throw new SyntaxError("@import not allowed here.", token.startLine, token.startCol);
+ case Tokens.NAMESPACE_SYM:
+ token = tokenStream.LT(1);
+ this._namespace(false);
+ throw new SyntaxError("@namespace not allowed here.", token.startLine, token.startCol);
+ default:
+ tokenStream.get(); //get the last token
+ this._unexpectedToken(tokenStream.token());
+ }
+
+ }
+ }
+ } catch (ex) {
+ if (ex instanceof SyntaxError && !this.options.strict) {
+ this.fire({
+ type: "error",
+ error: ex,
+ message: ex.message,
+ line: ex.line,
+ col: ex.col
+ });
+ } else {
+ throw ex;
+ }
+ }
+
+ tt = tokenStream.peek();
+ }
+
+ if (tt !== Tokens.EOF) {
+ this._unexpectedToken(tokenStream.token());
+ }
+
+ this.fire("endstylesheet");
+ },
+
+ _charset: function(emit) {
+ var tokenStream = this._tokenStream,
+ charset,
+ token,
+ line,
+ col;
+
+ if (tokenStream.match(Tokens.CHARSET_SYM)) {
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+
+ this._readWhitespace();
+ tokenStream.mustMatch(Tokens.STRING);
+
+ token = tokenStream.token();
+ charset = token.value;
+
+ this._readWhitespace();
+ tokenStream.mustMatch(Tokens.SEMICOLON);
+
+ if (emit !== false) {
+ this.fire({
+ type: "charset",
+ charset:charset,
+ line: line,
+ col: col
+ });
+ }
+ }
+ },
+
+ _import: function(emit) {
+ /*
+ * import
+ * : IMPORT_SYM S*
+ * [STRING|URI] S* media_query_list? ';' S*
+ */
+
+ var tokenStream = this._tokenStream,
+ uri,
+ importToken,
+ mediaList = [];
+
+ //read import symbol
+ tokenStream.mustMatch(Tokens.IMPORT_SYM);
+ importToken = tokenStream.token();
+ this._readWhitespace();
+
+ tokenStream.mustMatch([Tokens.STRING, Tokens.URI]);
+
+ //grab the URI value
+ uri = tokenStream.token().value.replace(/^(?:url\()?["']?([^"']+?)["']?\)?$/, "$1");
+
+ this._readWhitespace();
+
+ mediaList = this._media_query_list();
+
+ //must end with a semicolon
+ tokenStream.mustMatch(Tokens.SEMICOLON);
+ this._readWhitespace();
+
+ if (emit !== false) {
+ this.fire({
+ type: "import",
+ uri: uri,
+ media: mediaList,
+ line: importToken.startLine,
+ col: importToken.startCol
+ });
+ }
+
+ },
+
+ _namespace: function(emit) {
+ /*
+ * namespace
+ * : NAMESPACE_SYM S* [namespace_prefix S*]? [STRING|URI] S* ';' S*
+ */
+
+ var tokenStream = this._tokenStream,
+ line,
+ col,
+ prefix,
+ uri;
+
+ //read import symbol
+ tokenStream.mustMatch(Tokens.NAMESPACE_SYM);
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+ this._readWhitespace();
+
+ //it's a namespace prefix - no _namespace_prefix() method because it's just an IDENT
+ if (tokenStream.match(Tokens.IDENT)) {
+ prefix = tokenStream.token().value;
+ this._readWhitespace();
+ }
+
+ tokenStream.mustMatch([Tokens.STRING, Tokens.URI]);
+ /*if (!tokenStream.match(Tokens.STRING)){
+ tokenStream.mustMatch(Tokens.URI);
+ }*/
+
+ //grab the URI value
+ uri = tokenStream.token().value.replace(/(?:url\()?["']([^"']+)["']\)?/, "$1");
+
+ this._readWhitespace();
+
+ //must end with a semicolon
+ tokenStream.mustMatch(Tokens.SEMICOLON);
+ this._readWhitespace();
+
+ if (emit !== false) {
+ this.fire({
+ type: "namespace",
+ prefix: prefix,
+ uri: uri,
+ line: line,
+ col: col
+ });
+ }
+
+ },
+
+ _supports: function(emit) {
+ /*
+ * supports_rule
+ * : SUPPORTS_SYM S* supports_condition S* group_rule_body
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ line,
+ col;
+
+ if (tokenStream.match(Tokens.SUPPORTS_SYM)) {
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+
+ this._readWhitespace();
+ this._supports_condition();
+ this._readWhitespace();
+
+ tokenStream.mustMatch(Tokens.LBRACE);
+ this._readWhitespace();
+
+ if (emit !== false) {
+ this.fire({
+ type: "startsupports",
+ line: line,
+ col: col
+ });
+ }
+
+ while (true) {
+ if (!this._ruleset()) {
+ break;
+ }
+ }
+
+ tokenStream.mustMatch(Tokens.RBRACE);
+ this._readWhitespace();
+
+ this.fire({
+ type: "endsupports",
+ line: line,
+ col: col
+ });
+ }
+ },
+
+ _supports_condition: function() {
+ /*
+ * supports_condition
+ * : supports_negation | supports_conjunction | supports_disjunction |
+ * supports_condition_in_parens
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ ident;
+
+ if (tokenStream.match(Tokens.IDENT)) {
+ ident = tokenStream.token().value.toLowerCase();
+
+ if (ident === "not") {
+ tokenStream.mustMatch(Tokens.S);
+ this._supports_condition_in_parens();
+ } else {
+ tokenStream.unget();
+ }
+ } else {
+ this._supports_condition_in_parens();
+ this._readWhitespace();
+
+ while (tokenStream.peek() === Tokens.IDENT) {
+ ident = tokenStream.LT(1).value.toLowerCase();
+ if (ident === "and" || ident === "or") {
+ tokenStream.mustMatch(Tokens.IDENT);
+ this._readWhitespace();
+ this._supports_condition_in_parens();
+ this._readWhitespace();
+ }
+ }
+ }
+ },
+
+ _supports_condition_in_parens: function() {
+ /*
+ * supports_condition_in_parens
+ * : ( '(' S* supports_condition S* ')' ) | supports_declaration_condition |
+ * general_enclosed
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ ident;
+
+ if (tokenStream.match(Tokens.LPAREN)) {
+ this._readWhitespace();
+ if (tokenStream.match(Tokens.IDENT)) {
+ // look ahead for not keyword, if not given, continue with declaration condition.
+ ident = tokenStream.token().value.toLowerCase();
+ if (ident === "not") {
+ this._readWhitespace();
+ this._supports_condition();
+ this._readWhitespace();
+ tokenStream.mustMatch(Tokens.RPAREN);
+ } else {
+ tokenStream.unget();
+ this._supports_declaration_condition(false);
+ }
+ } else {
+ this._supports_condition();
+ this._readWhitespace();
+ tokenStream.mustMatch(Tokens.RPAREN);
+ }
+ } else {
+ this._supports_declaration_condition();
+ }
+ },
+
+ _supports_declaration_condition: function(requireStartParen) {
+ /*
+ * supports_declaration_condition
+ * : '(' S* declaration ')'
+ * ;
+ */
+ var tokenStream = this._tokenStream;
+
+ if (requireStartParen !== false) {
+ tokenStream.mustMatch(Tokens.LPAREN);
+ }
+ this._readWhitespace();
+ this._declaration();
+ tokenStream.mustMatch(Tokens.RPAREN);
+ },
+
+ _media: function() {
+ /*
+ * media
+ * : MEDIA_SYM S* media_query_list S* '{' S* ruleset* '}' S*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ line,
+ col,
+ mediaList;// = [];
+
+ //look for @media
+ tokenStream.mustMatch(Tokens.MEDIA_SYM);
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+
+ this._readWhitespace();
+
+ mediaList = this._media_query_list();
+
+ tokenStream.mustMatch(Tokens.LBRACE);
+ this._readWhitespace();
+
+ this.fire({
+ type: "startmedia",
+ media: mediaList,
+ line: line,
+ col: col
+ });
+
+ while (true) {
+ if (tokenStream.peek() === Tokens.PAGE_SYM) {
+ this._page();
+ } else if (tokenStream.peek() === Tokens.FONT_FACE_SYM) {
+ this._font_face();
+ } else if (tokenStream.peek() === Tokens.VIEWPORT_SYM) {
+ this._viewport();
+ } else if (tokenStream.peek() === Tokens.DOCUMENT_SYM) {
+ this._document();
+ } else if (tokenStream.peek() === Tokens.SUPPORTS_SYM) {
+ this._supports();
+ } else if (tokenStream.peek() === Tokens.MEDIA_SYM) {
+ this._media();
+ } else if (!this._ruleset()) {
+ break;
+ }
+ }
+
+ tokenStream.mustMatch(Tokens.RBRACE);
+ this._readWhitespace();
+
+ this.fire({
+ type: "endmedia",
+ media: mediaList,
+ line: line,
+ col: col
+ });
+ },
+
+
+ //CSS3 Media Queries
+ _media_query_list: function() {
+ /*
+ * media_query_list
+ * : S* [media_query [ ',' S* media_query ]* ]?
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ mediaList = [];
+
+
+ this._readWhitespace();
+
+ if (tokenStream.peek() === Tokens.IDENT || tokenStream.peek() === Tokens.LPAREN) {
+ mediaList.push(this._media_query());
+ }
+
+ while (tokenStream.match(Tokens.COMMA)) {
+ this._readWhitespace();
+ mediaList.push(this._media_query());
+ }
+
+ return mediaList;
+ },
+
+ /*
+ * Note: "expression" in the grammar maps to the _media_expression
+ * method.
+
+ */
+ _media_query: function() {
+ /*
+ * media_query
+ * : [ONLY | NOT]? S* media_type S* [ AND S* expression ]*
+ * | expression [ AND S* expression ]*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ type = null,
+ ident = null,
+ token = null,
+ expressions = [];
+
+ if (tokenStream.match(Tokens.IDENT)) {
+ ident = tokenStream.token().value.toLowerCase();
+
+ //since there's no custom tokens for these, need to manually check
+ if (ident !== "only" && ident !== "not") {
+ tokenStream.unget();
+ ident = null;
+ } else {
+ token = tokenStream.token();
+ }
+ }
+
+ this._readWhitespace();
+
+ if (tokenStream.peek() === Tokens.IDENT) {
+ type = this._media_type();
+ if (token === null) {
+ token = tokenStream.token();
+ }
+ } else if (tokenStream.peek() === Tokens.LPAREN) {
+ if (token === null) {
+ token = tokenStream.LT(1);
+ }
+ expressions.push(this._media_expression());
+ }
+
+ if (type === null && expressions.length === 0) {
+ return null;
+ } else {
+ this._readWhitespace();
+ while (tokenStream.match(Tokens.IDENT)) {
+ if (tokenStream.token().value.toLowerCase() !== "and") {
+ this._unexpectedToken(tokenStream.token());
+ }
+
+ this._readWhitespace();
+ expressions.push(this._media_expression());
+ }
+ }
+
+ return new MediaQuery(ident, type, expressions, token.startLine, token.startCol);
+ },
+
+ //CSS3 Media Queries
+ _media_type: function() {
+ /*
+ * media_type
+ * : IDENT
+ * ;
+ */
+ return this._media_feature();
+ },
+
+ /**
+ * Note: in CSS3 Media Queries, this is called "expression".
+ * Renamed here to avoid conflict with CSS3 Selectors
+ * definition of "expression". Also note that "expr" in the
+ * grammar now maps to "expression" from CSS3 selectors.
+ * @method _media_expression
+ * @private
+ */
+ _media_expression: function() {
+ /*
+ * expression
+ * : '(' S* media_feature S* [ ':' S* expr ]? ')' S*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ feature = null,
+ token,
+ expression = null;
+
+ tokenStream.mustMatch(Tokens.LPAREN);
+
+ feature = this._media_feature();
+ this._readWhitespace();
+
+ if (tokenStream.match(Tokens.COLON)) {
+ this._readWhitespace();
+ token = tokenStream.LT(1);
+ expression = this._expression();
+ }
+
+ tokenStream.mustMatch(Tokens.RPAREN);
+ this._readWhitespace();
+
+ return new MediaFeature(feature, expression ? new SyntaxUnit(expression, token.startLine, token.startCol) : null);
+ },
+
+ //CSS3 Media Queries
+ _media_feature: function() {
+ /*
+ * media_feature
+ * : IDENT
+ * ;
+ */
+ var tokenStream = this._tokenStream;
+
+ this._readWhitespace();
+
+ tokenStream.mustMatch(Tokens.IDENT);
+
+ return SyntaxUnit.fromToken(tokenStream.token());
+ },
+
+ //CSS3 Paged Media
+ _page: function() {
+ /*
+ * page:
+ * PAGE_SYM S* IDENT? pseudo_page? S*
+ * '{' S* [ declaration | margin ]? [ ';' S* [ declaration | margin ]? ]* '}' S*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ line,
+ col,
+ identifier = null,
+ pseudoPage = null;
+
+ //look for @page
+ tokenStream.mustMatch(Tokens.PAGE_SYM);
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+
+ this._readWhitespace();
+
+ if (tokenStream.match(Tokens.IDENT)) {
+ identifier = tokenStream.token().value;
+
+ //The value 'auto' may not be used as a page name and MUST be treated as a syntax error.
+ if (identifier.toLowerCase() === "auto") {
+ this._unexpectedToken(tokenStream.token());
+ }
+ }
+
+ //see if there's a colon upcoming
+ if (tokenStream.peek() === Tokens.COLON) {
+ pseudoPage = this._pseudo_page();
+ }
+
+ this._readWhitespace();
+
+ this.fire({
+ type: "startpage",
+ id: identifier,
+ pseudo: pseudoPage,
+ line: line,
+ col: col
+ });
+
+ this._readDeclarations(true, true);
+
+ this.fire({
+ type: "endpage",
+ id: identifier,
+ pseudo: pseudoPage,
+ line: line,
+ col: col
+ });
+
+ },
+
+ //CSS3 Paged Media
+ _margin: function() {
+ /*
+ * margin :
+ * margin_sym S* '{' declaration [ ';' S* declaration? ]* '}' S*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ line,
+ col,
+ marginSym = this._margin_sym();
+
+ if (marginSym) {
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+
+ this.fire({
+ type: "startpagemargin",
+ margin: marginSym,
+ line: line,
+ col: col
+ });
+
+ this._readDeclarations(true);
+
+ this.fire({
+ type: "endpagemargin",
+ margin: marginSym,
+ line: line,
+ col: col
+ });
+ return true;
+ } else {
+ return false;
+ }
+ },
+
+ //CSS3 Paged Media
+ _margin_sym: function() {
+
+ /*
+ * margin_sym :
+ * TOPLEFTCORNER_SYM |
+ * TOPLEFT_SYM |
+ * TOPCENTER_SYM |
+ * TOPRIGHT_SYM |
+ * TOPRIGHTCORNER_SYM |
+ * BOTTOMLEFTCORNER_SYM |
+ * BOTTOMLEFT_SYM |
+ * BOTTOMCENTER_SYM |
+ * BOTTOMRIGHT_SYM |
+ * BOTTOMRIGHTCORNER_SYM |
+ * LEFTTOP_SYM |
+ * LEFTMIDDLE_SYM |
+ * LEFTBOTTOM_SYM |
+ * RIGHTTOP_SYM |
+ * RIGHTMIDDLE_SYM |
+ * RIGHTBOTTOM_SYM
+ * ;
+ */
+
+ var tokenStream = this._tokenStream;
+
+ if (tokenStream.match([Tokens.TOPLEFTCORNER_SYM, Tokens.TOPLEFT_SYM,
+ Tokens.TOPCENTER_SYM, Tokens.TOPRIGHT_SYM, Tokens.TOPRIGHTCORNER_SYM,
+ Tokens.BOTTOMLEFTCORNER_SYM, Tokens.BOTTOMLEFT_SYM,
+ Tokens.BOTTOMCENTER_SYM, Tokens.BOTTOMRIGHT_SYM,
+ Tokens.BOTTOMRIGHTCORNER_SYM, Tokens.LEFTTOP_SYM,
+ Tokens.LEFTMIDDLE_SYM, Tokens.LEFTBOTTOM_SYM, Tokens.RIGHTTOP_SYM,
+ Tokens.RIGHTMIDDLE_SYM, Tokens.RIGHTBOTTOM_SYM])) {
+ return SyntaxUnit.fromToken(tokenStream.token());
+ } else {
+ return null;
+ }
+
+ },
+
+ _pseudo_page: function() {
+ /*
+ * pseudo_page
+ * : ':' IDENT
+ * ;
+ */
+
+ var tokenStream = this._tokenStream;
+
+ tokenStream.mustMatch(Tokens.COLON);
+ tokenStream.mustMatch(Tokens.IDENT);
+
+ //TODO: CSS3 Paged Media says only "left", "center", and "right" are allowed
+
+ return tokenStream.token().value;
+ },
+
+ _font_face: function() {
+ /*
+ * font_face
+ * : FONT_FACE_SYM S*
+ * '{' S* declaration [ ';' S* declaration ]* '}' S*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ line,
+ col;
+
+ //look for @page
+ tokenStream.mustMatch(Tokens.FONT_FACE_SYM);
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+
+ this._readWhitespace();
+
+ this.fire({
+ type: "startfontface",
+ line: line,
+ col: col
+ });
+
+ this._readDeclarations(true);
+
+ this.fire({
+ type: "endfontface",
+ line: line,
+ col: col
+ });
+ },
+
+ _viewport: function() {
+ /*
+ * viewport
+ * : VIEWPORT_SYM S*
+ * '{' S* declaration? [ ';' S* declaration? ]* '}' S*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ line,
+ col;
+
+ tokenStream.mustMatch(Tokens.VIEWPORT_SYM);
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+
+ this._readWhitespace();
+
+ this.fire({
+ type: "startviewport",
+ line: line,
+ col: col
+ });
+
+ this._readDeclarations(true);
+
+ this.fire({
+ type: "endviewport",
+ line: line,
+ col: col
+ });
+
+ },
+
+ _document: function() {
+ /*
+ * document
+ * : DOCUMENT_SYM S*
+ * _document_function [ ',' S* _document_function ]* S*
+ * '{' S* ruleset* '}'
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ token,
+ functions = [],
+ prefix = "";
+
+ tokenStream.mustMatch(Tokens.DOCUMENT_SYM);
+ token = tokenStream.token();
+ if (/^@\-([^\-]+)\-/.test(token.value)) {
+ prefix = RegExp.$1;
+ }
+
+ this._readWhitespace();
+ functions.push(this._document_function());
+
+ while (tokenStream.match(Tokens.COMMA)) {
+ this._readWhitespace();
+ functions.push(this._document_function());
+ }
+
+ tokenStream.mustMatch(Tokens.LBRACE);
+ this._readWhitespace();
+
+ this.fire({
+ type: "startdocument",
+ functions: functions,
+ prefix: prefix,
+ line: token.startLine,
+ col: token.startCol
+ });
+
+ var ok = true;
+ while (ok) {
+ switch (tokenStream.peek()) {
+ case Tokens.PAGE_SYM:
+ this._page();
+ break;
+ case Tokens.FONT_FACE_SYM:
+ this._font_face();
+ break;
+ case Tokens.VIEWPORT_SYM:
+ this._viewport();
+ break;
+ case Tokens.MEDIA_SYM:
+ this._media();
+ break;
+ case Tokens.KEYFRAMES_SYM:
+ this._keyframes();
+ break;
+ case Tokens.DOCUMENT_SYM:
+ this._document();
+ break;
+ default:
+ ok = Boolean(this._ruleset());
+ }
+ }
+
+ tokenStream.mustMatch(Tokens.RBRACE);
+ token = tokenStream.token();
+ this._readWhitespace();
+
+ this.fire({
+ type: "enddocument",
+ functions: functions,
+ prefix: prefix,
+ line: token.startLine,
+ col: token.startCol
+ });
+ },
+
+ _document_function: function() {
+ /*
+ * document_function
+ * : function | URI S*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ value;
+
+ if (tokenStream.match(Tokens.URI)) {
+ value = tokenStream.token().value;
+ this._readWhitespace();
+ } else {
+ value = this._function();
+ }
+
+ return value;
+ },
+
+ _operator: function(inFunction) {
+
+ /*
+ * operator (outside function)
+ * : '/' S* | ',' S* | /( empty )/
+ * operator (inside function)
+ * : '/' S* | '+' S* | '*' S* | '-' S* /( empty )/
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ token = null;
+
+ if (tokenStream.match([Tokens.SLASH, Tokens.COMMA]) ||
+ (inFunction && tokenStream.match([Tokens.PLUS, Tokens.STAR, Tokens.MINUS]))) {
+ token = tokenStream.token();
+ this._readWhitespace();
+ }
+ return token ? PropertyValuePart.fromToken(token) : null;
+
+ },
+
+ _combinator: function() {
+
+ /*
+ * combinator
+ * : PLUS S* | GREATER S* | TILDE S* | S+
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ value = null,
+ token;
+
+ if (tokenStream.match([Tokens.PLUS, Tokens.GREATER, Tokens.TILDE])) {
+ token = tokenStream.token();
+ value = new Combinator(token.value, token.startLine, token.startCol);
+ this._readWhitespace();
+ }
+
+ return value;
+ },
+
+ _unary_operator: function() {
+
+ /*
+ * unary_operator
+ * : '-' | '+'
+ * ;
+ */
+
+ var tokenStream = this._tokenStream;
+
+ if (tokenStream.match([Tokens.MINUS, Tokens.PLUS])) {
+ return tokenStream.token().value;
+ } else {
+ return null;
+ }
+ },
+
+ _property: function() {
+
+ /*
+ * property
+ * : IDENT S*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ value = null,
+ hack = null,
+ tokenValue,
+ token,
+ line,
+ col;
+
+ //check for star hack - throws error if not allowed
+ if (tokenStream.peek() === Tokens.STAR && this.options.starHack) {
+ tokenStream.get();
+ token = tokenStream.token();
+ hack = token.value;
+ line = token.startLine;
+ col = token.startCol;
+ }
+
+ if (tokenStream.match(Tokens.IDENT)) {
+ token = tokenStream.token();
+ tokenValue = token.value;
+
+ //check for underscore hack - no error if not allowed because it's valid CSS syntax
+ if (tokenValue.charAt(0) === "_" && this.options.underscoreHack) {
+ hack = "_";
+ tokenValue = tokenValue.substring(1);
+ }
+
+ value = new PropertyName(tokenValue, hack, (line||token.startLine), (col||token.startCol));
+ this._readWhitespace();
+ }
+
+ return value;
+ },
+
+ //Augmented with CSS3 Selectors
+ _ruleset: function() {
+ /*
+ * ruleset
+ * : selectors_group
+ * '{' S* declaration? [ ';' S* declaration? ]* '}' S*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ tt,
+ selectors;
+
+
+ /*
+ * Error Recovery: If even a single selector fails to parse,
+ * then the entire ruleset should be thrown away.
+ */
+ try {
+ selectors = this._selectors_group();
+ } catch (ex) {
+ if (ex instanceof SyntaxError && !this.options.strict) {
+
+ //fire error event
+ this.fire({
+ type: "error",
+ error: ex,
+ message: ex.message,
+ line: ex.line,
+ col: ex.col
+ });
+
+ //skip over everything until closing brace
+ tt = tokenStream.advance([Tokens.RBRACE]);
+ if (tt === Tokens.RBRACE) {
+ //if there's a right brace, the rule is finished so don't do anything
+ } else {
+ //otherwise, rethrow the error because it wasn't handled properly
+ throw ex;
+ }
+
+ } else {
+ //not a syntax error, rethrow it
+ throw ex;
+ }
+
+ //trigger parser to continue
+ return true;
+ }
+
+ //if it got here, all selectors parsed
+ if (selectors) {
+
+ this.fire({
+ type: "startrule",
+ selectors: selectors,
+ line: selectors[0].line,
+ col: selectors[0].col
+ });
+
+ this._readDeclarations(true);
+
+ this.fire({
+ type: "endrule",
+ selectors: selectors,
+ line: selectors[0].line,
+ col: selectors[0].col
+ });
+
+ }
+
+ return selectors;
+
+ },
+
+ //CSS3 Selectors
+ _selectors_group: function() {
+
+ /*
+ * selectors_group
+ * : selector [ COMMA S* selector ]*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ selectors = [],
+ selector;
+
+ selector = this._selector();
+ if (selector !== null) {
+
+ selectors.push(selector);
+ while (tokenStream.match(Tokens.COMMA)) {
+ this._readWhitespace();
+ selector = this._selector();
+ if (selector !== null) {
+ selectors.push(selector);
+ } else {
+ this._unexpectedToken(tokenStream.LT(1));
+ }
+ }
+ }
+
+ return selectors.length ? selectors : null;
+ },
+
+ //CSS3 Selectors
+ _selector: function() {
+ /*
+ * selector
+ * : simple_selector_sequence [ combinator simple_selector_sequence ]*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ selector = [],
+ nextSelector = null,
+ combinator = null,
+ ws = null;
+
+ //if there's no simple selector, then there's no selector
+ nextSelector = this._simple_selector_sequence();
+ if (nextSelector === null) {
+ return null;
+ }
+
+ selector.push(nextSelector);
+
+ do {
+
+ //look for a combinator
+ combinator = this._combinator();
+
+ if (combinator !== null) {
+ selector.push(combinator);
+ nextSelector = this._simple_selector_sequence();
+
+ //there must be a next selector
+ if (nextSelector === null) {
+ this._unexpectedToken(tokenStream.LT(1));
+ } else {
+
+ //nextSelector is an instance of SelectorPart
+ selector.push(nextSelector);
+ }
+ } else {
+
+ //if there's not whitespace, we're done
+ if (this._readWhitespace()) {
+
+ //add whitespace separator
+ ws = new Combinator(tokenStream.token().value, tokenStream.token().startLine, tokenStream.token().startCol);
+
+ //combinator is not required
+ combinator = this._combinator();
+
+ //selector is required if there's a combinator
+ nextSelector = this._simple_selector_sequence();
+ if (nextSelector === null) {
+ if (combinator !== null) {
+ this._unexpectedToken(tokenStream.LT(1));
+ }
+ } else {
+
+ if (combinator !== null) {
+ selector.push(combinator);
+ } else {
+ selector.push(ws);
+ }
+
+ selector.push(nextSelector);
+ }
+ } else {
+ break;
+ }
+
+ }
+ } while (true);
+
+ return new Selector(selector, selector[0].line, selector[0].col);
+ },
+
+ //CSS3 Selectors
+ _simple_selector_sequence: function() {
+ /*
+ * simple_selector_sequence
+ * : [ type_selector | universal ]
+ * [ HASH | class | attrib | pseudo | negation ]*
+ * | [ HASH | class | attrib | pseudo | negation ]+
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+
+ //parts of a simple selector
+ elementName = null,
+ modifiers = [],
+
+ //complete selector text
+ selectorText= "",
+
+ //the different parts after the element name to search for
+ components = [
+ //HASH
+ function() {
+ return tokenStream.match(Tokens.HASH) ?
+ new SelectorSubPart(tokenStream.token().value, "id", tokenStream.token().startLine, tokenStream.token().startCol) :
+ null;
+ },
+ this._class,
+ this._attrib,
+ this._pseudo,
+ this._negation
+ ],
+ i = 0,
+ len = components.length,
+ component = null,
+ line,
+ col;
+
+
+ //get starting line and column for the selector
+ line = tokenStream.LT(1).startLine;
+ col = tokenStream.LT(1).startCol;
+
+ elementName = this._type_selector();
+ if (!elementName) {
+ elementName = this._universal();
+ }
+
+ if (elementName !== null) {
+ selectorText += elementName;
+ }
+
+ while (true) {
+
+ //whitespace means we're done
+ if (tokenStream.peek() === Tokens.S) {
+ break;
+ }
+
+ //check for each component
+ while (i < len && component === null) {
+ component = components[i++].call(this);
+ }
+
+ if (component === null) {
+
+ //we don't have a selector
+ if (selectorText === "") {
+ return null;
+ } else {
+ break;
+ }
+ } else {
+ i = 0;
+ modifiers.push(component);
+ selectorText += component.toString();
+ component = null;
+ }
+ }
+
+
+ return selectorText !== "" ?
+ new SelectorPart(elementName, modifiers, selectorText, line, col) :
+ null;
+ },
+
+ //CSS3 Selectors
+ _type_selector: function() {
+ /*
+ * type_selector
+ * : [ namespace_prefix ]? element_name
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ ns = this._namespace_prefix(),
+ elementName = this._element_name();
+
+ if (!elementName) {
+ /*
+ * Need to back out the namespace that was read due to both
+ * type_selector and universal reading namespace_prefix
+ * first. Kind of hacky, but only way I can figure out
+ * right now how to not change the grammar.
+ */
+ if (ns) {
+ tokenStream.unget();
+ if (ns.length > 1) {
+ tokenStream.unget();
+ }
+ }
+
+ return null;
+ } else {
+ if (ns) {
+ elementName.text = ns + elementName.text;
+ elementName.col -= ns.length;
+ }
+ return elementName;
+ }
+ },
+
+ //CSS3 Selectors
+ _class: function() {
+ /*
+ * class
+ * : '.' IDENT
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ token;
+
+ if (tokenStream.match(Tokens.DOT)) {
+ tokenStream.mustMatch(Tokens.IDENT);
+ token = tokenStream.token();
+ return new SelectorSubPart("." + token.value, "class", token.startLine, token.startCol - 1);
+ } else {
+ return null;
+ }
+
+ },
+
+ //CSS3 Selectors
+ _element_name: function() {
+ /*
+ * element_name
+ * : IDENT
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ token;
+
+ if (tokenStream.match(Tokens.IDENT)) {
+ token = tokenStream.token();
+ return new SelectorSubPart(token.value, "elementName", token.startLine, token.startCol);
+
+ } else {
+ return null;
+ }
+ },
+
+ //CSS3 Selectors
+ _namespace_prefix: function() {
+ /*
+ * namespace_prefix
+ * : [ IDENT | '*' ]? '|'
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ value = "";
+
+ //verify that this is a namespace prefix
+ if (tokenStream.LA(1) === Tokens.PIPE || tokenStream.LA(2) === Tokens.PIPE) {
+
+ if (tokenStream.match([Tokens.IDENT, Tokens.STAR])) {
+ value += tokenStream.token().value;
+ }
+
+ tokenStream.mustMatch(Tokens.PIPE);
+ value += "|";
+
+ }
+
+ return value.length ? value : null;
+ },
+
+ //CSS3 Selectors
+ _universal: function() {
+ /*
+ * universal
+ * : [ namespace_prefix ]? '*'
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ value = "",
+ ns;
+
+ ns = this._namespace_prefix();
+ if (ns) {
+ value += ns;
+ }
+
+ if (tokenStream.match(Tokens.STAR)) {
+ value += "*";
+ }
+
+ return value.length ? value : null;
+
+ },
+
+ //CSS3 Selectors
+ _attrib: function() {
+ /*
+ * attrib
+ * : '[' S* [ namespace_prefix ]? IDENT S*
+ * [ [ PREFIXMATCH |
+ * SUFFIXMATCH |
+ * SUBSTRINGMATCH |
+ * '=' |
+ * INCLUDES |
+ * DASHMATCH ] S* [ IDENT | STRING ] S*
+ * ]? ']'
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ value = null,
+ ns,
+ token;
+
+ if (tokenStream.match(Tokens.LBRACKET)) {
+ token = tokenStream.token();
+ value = token.value;
+ value += this._readWhitespace();
+
+ ns = this._namespace_prefix();
+
+ if (ns) {
+ value += ns;
+ }
+
+ tokenStream.mustMatch(Tokens.IDENT);
+ value += tokenStream.token().value;
+ value += this._readWhitespace();
+
+ if (tokenStream.match([Tokens.PREFIXMATCH, Tokens.SUFFIXMATCH, Tokens.SUBSTRINGMATCH,
+ Tokens.EQUALS, Tokens.INCLUDES, Tokens.DASHMATCH])) {
+
+ value += tokenStream.token().value;
+ value += this._readWhitespace();
+
+ tokenStream.mustMatch([Tokens.IDENT, Tokens.STRING]);
+ value += tokenStream.token().value;
+ value += this._readWhitespace();
+ }
+
+ tokenStream.mustMatch(Tokens.RBRACKET);
+
+ return new SelectorSubPart(value + "]", "attribute", token.startLine, token.startCol);
+ } else {
+ return null;
+ }
+ },
+
+ //CSS3 Selectors
+ _pseudo: function() {
+
+ /*
+ * pseudo
+ * : ':' ':'? [ IDENT | functional_pseudo ]
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ pseudo = null,
+ colons = ":",
+ line,
+ col;
+
+ if (tokenStream.match(Tokens.COLON)) {
+
+ if (tokenStream.match(Tokens.COLON)) {
+ colons += ":";
+ }
+
+ if (tokenStream.match(Tokens.IDENT)) {
+ pseudo = tokenStream.token().value;
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol - colons.length;
+ } else if (tokenStream.peek() === Tokens.FUNCTION) {
+ line = tokenStream.LT(1).startLine;
+ col = tokenStream.LT(1).startCol - colons.length;
+ pseudo = this._functional_pseudo();
+ }
+
+ if (pseudo) {
+ pseudo = new SelectorSubPart(colons + pseudo, "pseudo", line, col);
+ } else {
+ var startLine = tokenStream.LT(1).startLine,
+ startCol = tokenStream.LT(0).startCol;
+ throw new SyntaxError("Expected a `FUNCTION` or `IDENT` after colon at line " + startLine + ", col " + startCol + ".", startLine, startCol);
+ }
+ }
+
+ return pseudo;
+ },
+
+ //CSS3 Selectors
+ _functional_pseudo: function() {
+ /*
+ * functional_pseudo
+ * : FUNCTION S* expression ')'
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ value = null;
+
+ if (tokenStream.match(Tokens.FUNCTION)) {
+ value = tokenStream.token().value;
+ value += this._readWhitespace();
+ value += this._expression();
+ tokenStream.mustMatch(Tokens.RPAREN);
+ value += ")";
+ }
+
+ return value;
+ },
+
+ //CSS3 Selectors
+ _expression: function() {
+ /*
+ * expression
+ * : [ [ PLUS | '-' | DIMENSION | NUMBER | STRING | IDENT ] S* ]+
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ value = "";
+
+ while (tokenStream.match([Tokens.PLUS, Tokens.MINUS, Tokens.DIMENSION,
+ Tokens.NUMBER, Tokens.STRING, Tokens.IDENT, Tokens.LENGTH,
+ Tokens.FREQ, Tokens.ANGLE, Tokens.TIME,
+ Tokens.RESOLUTION, Tokens.SLASH])) {
+
+ value += tokenStream.token().value;
+ value += this._readWhitespace();
+ }
+
+ return value.length ? value : null;
+
+ },
+
+ //CSS3 Selectors
+ _negation: function() {
+ /*
+ * negation
+ * : NOT S* negation_arg S* ')'
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ line,
+ col,
+ value = "",
+ arg,
+ subpart = null;
+
+ if (tokenStream.match(Tokens.NOT)) {
+ value = tokenStream.token().value;
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+ value += this._readWhitespace();
+ arg = this._negation_arg();
+ value += arg;
+ value += this._readWhitespace();
+ tokenStream.match(Tokens.RPAREN);
+ value += tokenStream.token().value;
+
+ subpart = new SelectorSubPart(value, "not", line, col);
+ subpart.args.push(arg);
+ }
+
+ return subpart;
+ },
+
+ //CSS3 Selectors
+ _negation_arg: function() {
+ /*
+ * negation_arg
+ * : type_selector | universal | HASH | class | attrib | pseudo
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ args = [
+ this._type_selector,
+ this._universal,
+ function() {
+ return tokenStream.match(Tokens.HASH) ?
+ new SelectorSubPart(tokenStream.token().value, "id", tokenStream.token().startLine, tokenStream.token().startCol) :
+ null;
+ },
+ this._class,
+ this._attrib,
+ this._pseudo
+ ],
+ arg = null,
+ i = 0,
+ len = args.length,
+ line,
+ col,
+ part;
+
+ line = tokenStream.LT(1).startLine;
+ col = tokenStream.LT(1).startCol;
+
+ while (i < len && arg === null) {
+
+ arg = args[i].call(this);
+ i++;
+ }
+
+ //must be a negation arg
+ if (arg === null) {
+ this._unexpectedToken(tokenStream.LT(1));
+ }
+
+ //it's an element name
+ if (arg.type === "elementName") {
+ part = new SelectorPart(arg, [], arg.toString(), line, col);
+ } else {
+ part = new SelectorPart(null, [arg], arg.toString(), line, col);
+ }
+
+ return part;
+ },
+
+ _declaration: function() {
+
+ /*
+ * declaration
+ * : property ':' S* expr prio?
+ * | /( empty )/
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ property = null,
+ expr = null,
+ prio = null,
+ invalid = null,
+ propertyName= "";
+
+ property = this._property();
+ if (property !== null) {
+
+ tokenStream.mustMatch(Tokens.COLON);
+ this._readWhitespace();
+
+ expr = this._expr();
+
+ //if there's no parts for the value, it's an error
+ if (!expr || expr.length === 0) {
+ this._unexpectedToken(tokenStream.LT(1));
+ }
+
+ prio = this._prio();
+
+ /*
+ * If hacks should be allowed, then only check the root
+ * property. If hacks should not be allowed, treat
+ * _property or *property as invalid properties.
+ */
+ propertyName = property.toString();
+ if (this.options.starHack && property.hack === "*" ||
+ this.options.underscoreHack && property.hack === "_") {
+
+ propertyName = property.text;
+ }
+
+ try {
+ this._validateProperty(propertyName, expr);
+ } catch (ex) {
+ invalid = ex;
+ }
+
+ this.fire({
+ type: "property",
+ property: property,
+ value: expr,
+ important: prio,
+ line: property.line,
+ col: property.col,
+ invalid: invalid
+ });
+
+ return true;
+ } else {
+ return false;
+ }
+ },
+
+ _prio: function() {
+ /*
+ * prio
+ * : IMPORTANT_SYM S*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ result = tokenStream.match(Tokens.IMPORTANT_SYM);
+
+ this._readWhitespace();
+ return result;
+ },
+
+ _expr: function(inFunction) {
+ /*
+ * expr
+ * : term [ operator term ]*
+ * ;
+ */
+
+ var values = [],
+ //valueParts = [],
+ value = null,
+ operator = null;
+
+ value = this._term(inFunction);
+ if (value !== null) {
+
+ values.push(value);
+
+ do {
+ operator = this._operator(inFunction);
+
+ //if there's an operator, keep building up the value parts
+ if (operator) {
+ values.push(operator);
+ } /*else {
+ //if there's not an operator, you have a full value
+ values.push(new PropertyValue(valueParts, valueParts[0].line, valueParts[0].col));
+ valueParts = [];
+ }*/
+
+ value = this._term(inFunction);
+
+ if (value === null) {
+ break;
+ } else {
+ values.push(value);
+ }
+ } while (true);
+ }
+
+ //cleanup
+ /*if (valueParts.length) {
+ values.push(new PropertyValue(valueParts, valueParts[0].line, valueParts[0].col));
+ }*/
+
+ return values.length > 0 ? new PropertyValue(values, values[0].line, values[0].col) : null;
+ },
+
+ _term: function(inFunction) {
+
+ /*
+ * term
+ * : unary_operator?
+ * [ NUMBER S* | PERCENTAGE S* | LENGTH S* | ANGLE S* |
+ * TIME S* | FREQ S* | function | ie_function ]
+ * | STRING S* | IDENT S* | URI S* | UNICODERANGE S* | hexcolor
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ unary = null,
+ value = null,
+ endChar = null,
+ part = null,
+ token,
+ line,
+ col;
+
+ //returns the operator or null
+ unary = this._unary_operator();
+ if (unary !== null) {
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+ }
+
+ //exception for IE filters
+ if (tokenStream.peek() === Tokens.IE_FUNCTION && this.options.ieFilters) {
+
+ value = this._ie_function();
+ if (unary === null) {
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+ }
+
+ //see if it's a simple block
+ } else if (inFunction && tokenStream.match([Tokens.LPAREN, Tokens.LBRACE, Tokens.LBRACKET])) {
+
+ token = tokenStream.token();
+ endChar = token.endChar;
+ value = token.value + this._expr(inFunction).text;
+ if (unary === null) {
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+ }
+ tokenStream.mustMatch(Tokens.type(endChar));
+ value += endChar;
+ this._readWhitespace();
+
+ //see if there's a simple match
+ } else if (tokenStream.match([Tokens.NUMBER, Tokens.PERCENTAGE, Tokens.LENGTH,
+ Tokens.ANGLE, Tokens.TIME,
+ Tokens.FREQ, Tokens.STRING, Tokens.IDENT, Tokens.URI, Tokens.UNICODE_RANGE])) {
+
+ value = tokenStream.token().value;
+ if (unary === null) {
+ line = tokenStream.token().startLine;
+ col = tokenStream.token().startCol;
+ // Correct potentially-inaccurate IDENT parsing in
+ // PropertyValuePart constructor.
+ part = PropertyValuePart.fromToken(tokenStream.token());
+ }
+ this._readWhitespace();
+ } else {
+
+ //see if it's a color
+ token = this._hexcolor();
+ if (token === null) {
+
+ //if there's no unary, get the start of the next token for line/col info
+ if (unary === null) {
+ line = tokenStream.LT(1).startLine;
+ col = tokenStream.LT(1).startCol;
+ }
+
+ //has to be a function
+ if (value === null) {
+
+ /*
+ * This checks for alpha(opacity=0) style of IE
+ * functions. IE_FUNCTION only presents progid: style.
+ */
+ if (tokenStream.LA(3) === Tokens.EQUALS && this.options.ieFilters) {
+ value = this._ie_function();
+ } else {
+ value = this._function();
+ }
+ }
+
+ /*if (value === null) {
+ return null;
+ //throw new Error("Expected identifier at line " + tokenStream.token().startLine + ", character " + tokenStream.token().startCol + ".");
+ }*/
+
+ } else {
+ value = token.value;
+ if (unary === null) {
+ line = token.startLine;
+ col = token.startCol;
+ }
+ }
+
+ }
+
+ return part !== null ? part : value !== null ?
+ new PropertyValuePart(unary !== null ? unary + value : value, line, col) :
+ null;
+
+ },
+
+ _function: function() {
+
+ /*
+ * function
+ * : FUNCTION S* expr ')' S*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ functionText = null,
+ expr = null,
+ lt;
+
+ if (tokenStream.match(Tokens.FUNCTION)) {
+ functionText = tokenStream.token().value;
+ this._readWhitespace();
+ expr = this._expr(true);
+ functionText += expr;
+
+ //START: Horrible hack in case it's an IE filter
+ if (this.options.ieFilters && tokenStream.peek() === Tokens.EQUALS) {
+ do {
+
+ if (this._readWhitespace()) {
+ functionText += tokenStream.token().value;
+ }
+
+ //might be second time in the loop
+ if (tokenStream.LA(0) === Tokens.COMMA) {
+ functionText += tokenStream.token().value;
+ }
+
+ tokenStream.match(Tokens.IDENT);
+ functionText += tokenStream.token().value;
+
+ tokenStream.match(Tokens.EQUALS);
+ functionText += tokenStream.token().value;
+
+ //functionText += this._term();
+ lt = tokenStream.peek();
+ while (lt !== Tokens.COMMA && lt !== Tokens.S && lt !== Tokens.RPAREN) {
+ tokenStream.get();
+ functionText += tokenStream.token().value;
+ lt = tokenStream.peek();
+ }
+ } while (tokenStream.match([Tokens.COMMA, Tokens.S]));
+ }
+
+ //END: Horrible Hack
+
+ tokenStream.match(Tokens.RPAREN);
+ functionText += ")";
+ this._readWhitespace();
+ }
+
+ return functionText;
+ },
+
+ _ie_function: function() {
+
+ /* (My own extension)
+ * ie_function
+ * : IE_FUNCTION S* IDENT '=' term [S* ','? IDENT '=' term]+ ')' S*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ functionText = null,
+ lt;
+
+ //IE function can begin like a regular function, too
+ if (tokenStream.match([Tokens.IE_FUNCTION, Tokens.FUNCTION])) {
+ functionText = tokenStream.token().value;
+
+ do {
+
+ if (this._readWhitespace()) {
+ functionText += tokenStream.token().value;
+ }
+
+ //might be second time in the loop
+ if (tokenStream.LA(0) === Tokens.COMMA) {
+ functionText += tokenStream.token().value;
+ }
+
+ tokenStream.match(Tokens.IDENT);
+ functionText += tokenStream.token().value;
+
+ tokenStream.match(Tokens.EQUALS);
+ functionText += tokenStream.token().value;
+
+ //functionText += this._term();
+ lt = tokenStream.peek();
+ while (lt !== Tokens.COMMA && lt !== Tokens.S && lt !== Tokens.RPAREN) {
+ tokenStream.get();
+ functionText += tokenStream.token().value;
+ lt = tokenStream.peek();
+ }
+ } while (tokenStream.match([Tokens.COMMA, Tokens.S]));
+
+ tokenStream.match(Tokens.RPAREN);
+ functionText += ")";
+ this._readWhitespace();
+ }
+
+ return functionText;
+ },
+
+ _hexcolor: function() {
+ /*
+ * There is a constraint on the color that it must
+ * have either 3 or 6 hex-digits (i.e., [0-9a-fA-F])
+ * after the "#"; e.g., "#000" is OK, but "#abcd" is not.
+ *
+ * hexcolor
+ * : HASH S*
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ token = null,
+ color;
+
+ if (tokenStream.match(Tokens.HASH)) {
+
+ //need to do some validation here
+
+ token = tokenStream.token();
+ color = token.value;
+ if (!/#[a-f0-9]{3,6}/i.test(color)) {
+ throw new SyntaxError("Expected a hex color but found '" + color + "' at line " + token.startLine + ", col " + token.startCol + ".", token.startLine, token.startCol);
+ }
+ this._readWhitespace();
+ }
+
+ return token;
+ },
+
+ //-----------------------------------------------------------------
+ // Animations methods
+ //-----------------------------------------------------------------
+
+ _keyframes: function() {
+
+ /*
+ * keyframes:
+ * : KEYFRAMES_SYM S* keyframe_name S* '{' S* keyframe_rule* '}' {
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ token,
+ tt,
+ name,
+ prefix = "";
+
+ tokenStream.mustMatch(Tokens.KEYFRAMES_SYM);
+ token = tokenStream.token();
+ if (/^@\-([^\-]+)\-/.test(token.value)) {
+ prefix = RegExp.$1;
+ }
+
+ this._readWhitespace();
+ name = this._keyframe_name();
+
+ this._readWhitespace();
+ tokenStream.mustMatch(Tokens.LBRACE);
+
+ this.fire({
+ type: "startkeyframes",
+ name: name,
+ prefix: prefix,
+ line: token.startLine,
+ col: token.startCol
+ });
+
+ this._readWhitespace();
+ tt = tokenStream.peek();
+
+ //check for key
+ while (tt === Tokens.IDENT || tt === Tokens.PERCENTAGE) {
+ this._keyframe_rule();
+ this._readWhitespace();
+ tt = tokenStream.peek();
+ }
+
+ this.fire({
+ type: "endkeyframes",
+ name: name,
+ prefix: prefix,
+ line: token.startLine,
+ col: token.startCol
+ });
+
+ this._readWhitespace();
+ tokenStream.mustMatch(Tokens.RBRACE);
+ this._readWhitespace();
+
+ },
+
+ _keyframe_name: function() {
+
+ /*
+ * keyframe_name:
+ * : IDENT
+ * | STRING
+ * ;
+ */
+ var tokenStream = this._tokenStream;
+
+ tokenStream.mustMatch([Tokens.IDENT, Tokens.STRING]);
+ return SyntaxUnit.fromToken(tokenStream.token());
+ },
+
+ _keyframe_rule: function() {
+
+ /*
+ * keyframe_rule:
+ * : key_list S*
+ * '{' S* declaration [ ';' S* declaration ]* '}' S*
+ * ;
+ */
+ var keyList = this._key_list();
+
+ this.fire({
+ type: "startkeyframerule",
+ keys: keyList,
+ line: keyList[0].line,
+ col: keyList[0].col
+ });
+
+ this._readDeclarations(true);
+
+ this.fire({
+ type: "endkeyframerule",
+ keys: keyList,
+ line: keyList[0].line,
+ col: keyList[0].col
+ });
+
+ },
+
+ _key_list: function() {
+
+ /*
+ * key_list:
+ * : key [ S* ',' S* key]*
+ * ;
+ */
+ var tokenStream = this._tokenStream,
+ keyList = [];
+
+ //must be least one key
+ keyList.push(this._key());
+
+ this._readWhitespace();
+
+ while (tokenStream.match(Tokens.COMMA)) {
+ this._readWhitespace();
+ keyList.push(this._key());
+ this._readWhitespace();
+ }
+
+ return keyList;
+ },
+
+ _key: function() {
+ /*
+ * There is a restriction that IDENT can be only "from" or "to".
+ *
+ * key
+ * : PERCENTAGE
+ * | IDENT
+ * ;
+ */
+
+ var tokenStream = this._tokenStream,
+ token;
+
+ if (tokenStream.match(Tokens.PERCENTAGE)) {
+ return SyntaxUnit.fromToken(tokenStream.token());
+ } else if (tokenStream.match(Tokens.IDENT)) {
+ token = tokenStream.token();
+
+ if (/from|to/i.test(token.value)) {
+ return SyntaxUnit.fromToken(token);
+ }
+
+ tokenStream.unget();
+ }
+
+ //if it gets here, there wasn't a valid token, so time to explode
+ this._unexpectedToken(tokenStream.LT(1));
+ },
+
+ //-----------------------------------------------------------------
+ // Helper methods
+ //-----------------------------------------------------------------
+
+ /**
+ * Not part of CSS grammar, but useful for skipping over
+ * combination of white space and HTML-style comments.
+ * @return {void}
+ * @method _skipCruft
+ * @private
+ */
+ _skipCruft: function() {
+ while (this._tokenStream.match([Tokens.S, Tokens.CDO, Tokens.CDC])) {
+ //noop
+ }
+ },
+
+ /**
+ * Not part of CSS grammar, but this pattern occurs frequently
+ * in the official CSS grammar. Split out here to eliminate
+ * duplicate code.
+ * @param {Boolean} checkStart Indicates if the rule should check
+ * for the left brace at the beginning.
+ * @param {Boolean} readMargins Indicates if the rule should check
+ * for margin patterns.
+ * @return {void}
+ * @method _readDeclarations
+ * @private
+ */
+ _readDeclarations: function(checkStart, readMargins) {
+ /*
+ * Reads the pattern
+ * S* '{' S* declaration [ ';' S* declaration ]* '}' S*
+ * or
+ * S* '{' S* [ declaration | margin ]? [ ';' S* [ declaration | margin ]? ]* '}' S*
+ * Note that this is how it is described in CSS3 Paged Media, but is actually incorrect.
+ * A semicolon is only necessary following a declaration if there's another declaration
+ * or margin afterwards.
+ */
+ var tokenStream = this._tokenStream,
+ tt;
+
+
+ this._readWhitespace();
+
+ if (checkStart) {
+ tokenStream.mustMatch(Tokens.LBRACE);
+ }
+
+ this._readWhitespace();
+
+ try {
+
+ while (true) {
+
+ if (tokenStream.match(Tokens.SEMICOLON) || (readMargins && this._margin())) {
+ //noop
+ } else if (this._declaration()) {
+ if (!tokenStream.match(Tokens.SEMICOLON)) {
+ break;
+ }
+ } else {
+ break;
+ }
+
+ //if ((!this._margin() && !this._declaration()) || !tokenStream.match(Tokens.SEMICOLON)){
+ // break;
+ //}
+ this._readWhitespace();
+ }
+
+ tokenStream.mustMatch(Tokens.RBRACE);
+ this._readWhitespace();
+
+ } catch (ex) {
+ if (ex instanceof SyntaxError && !this.options.strict) {
+
+ //fire error event
+ this.fire({
+ type: "error",
+ error: ex,
+ message: ex.message,
+ line: ex.line,
+ col: ex.col
+ });
+
+ //see if there's another declaration
+ tt = tokenStream.advance([Tokens.SEMICOLON, Tokens.RBRACE]);
+ if (tt === Tokens.SEMICOLON) {
+ //if there's a semicolon, then there might be another declaration
+ this._readDeclarations(false, readMargins);
+ } else if (tt !== Tokens.RBRACE) {
+ //if there's a right brace, the rule is finished so don't do anything
+ //otherwise, rethrow the error because it wasn't handled properly
+ throw ex;
+ }
+
+ } else {
+ //not a syntax error, rethrow it
+ throw ex;
+ }
+ }
+
+ },
+
+ /**
+ * In some cases, you can end up with two white space tokens in a
+ * row. Instead of making a change in every function that looks for
+ * white space, this function is used to match as much white space
+ * as necessary.
+ * @method _readWhitespace
+ * @return {String} The white space if found, empty string if not.
+ * @private
+ */
+ _readWhitespace: function() {
+
+ var tokenStream = this._tokenStream,
+ ws = "";
+
+ while (tokenStream.match(Tokens.S)) {
+ ws += tokenStream.token().value;
+ }
+
+ return ws;
+ },
+
+
+ /**
+ * Throws an error when an unexpected token is found.
+ * @param {Object} token The token that was found.
+ * @method _unexpectedToken
+ * @return {void}
+ * @private
+ */
+ _unexpectedToken: function(token) {
+ throw new SyntaxError("Unexpected token '" + token.value + "' at line " + token.startLine + ", col " + token.startCol + ".", token.startLine, token.startCol);
+ },
+
+ /**
+ * Helper method used for parsing subparts of a style sheet.
+ * @return {void}
+ * @method _verifyEnd
+ * @private
+ */
+ _verifyEnd: function() {
+ if (this._tokenStream.LA(1) !== Tokens.EOF) {
+ this._unexpectedToken(this._tokenStream.LT(1));
+ }
+ },
+
+ //-----------------------------------------------------------------
+ // Validation methods
+ //-----------------------------------------------------------------
+ _validateProperty: function(property, value) {
+ Validation.validate(property, value);
+ },
+
+ //-----------------------------------------------------------------
+ // Parsing methods
+ //-----------------------------------------------------------------
+
+ parse: function(input) {
+ this._tokenStream = new TokenStream(input, Tokens);
+ this._stylesheet();
+ },
+
+ parseStyleSheet: function(input) {
+ //just passthrough
+ return this.parse(input);
+ },
+
+ parseMediaQuery: function(input) {
+ this._tokenStream = new TokenStream(input, Tokens);
+ var result = this._media_query();
+
+ //if there's anything more, then it's an invalid selector
+ this._verifyEnd();
+
+ //otherwise return result
+ return result;
+ },
+
+ /**
+ * Parses a property value (everything after the semicolon).
+ * @return {parserlib.css.PropertyValue} The property value.
+ * @throws parserlib.util.SyntaxError If an unexpected token is found.
+ * @method parserPropertyValue
+ */
+ parsePropertyValue: function(input) {
+
+ this._tokenStream = new TokenStream(input, Tokens);
+ this._readWhitespace();
+
+ var result = this._expr();
+
+ //okay to have a trailing white space
+ this._readWhitespace();
+
+ //if there's anything more, then it's an invalid selector
+ this._verifyEnd();
+
+ //otherwise return result
+ return result;
+ },
+
+ /**
+ * Parses a complete CSS rule, including selectors and
+ * properties.
+ * @param {String} input The text to parser.
+ * @return {Boolean} True if the parse completed successfully, false if not.
+ * @method parseRule
+ */
+ parseRule: function(input) {
+ this._tokenStream = new TokenStream(input, Tokens);
+
+ //skip any leading white space
+ this._readWhitespace();
+
+ var result = this._ruleset();
+
+ //skip any trailing white space
+ this._readWhitespace();
+
+ //if there's anything more, then it's an invalid selector
+ this._verifyEnd();
+
+ //otherwise return result
+ return result;
+ },
+
+ /**
+ * Parses a single CSS selector (no comma)
+ * @param {String} input The text to parse as a CSS selector.
+ * @return {Selector} An object representing the selector.
+ * @throws parserlib.util.SyntaxError If an unexpected token is found.
+ * @method parseSelector
+ */
+ parseSelector: function(input) {
+
+ this._tokenStream = new TokenStream(input, Tokens);
+
+ //skip any leading white space
+ this._readWhitespace();
+
+ var result = this._selector();
+
+ //skip any trailing white space
+ this._readWhitespace();
+
+ //if there's anything more, then it's an invalid selector
+ this._verifyEnd();
+
+ //otherwise return result
+ return result;
+ },
+
+ /**
+ * Parses an HTML style attribute: a set of CSS declarations
+ * separated by semicolons.
+ * @param {String} input The text to parse as a style attribute
+ * @return {void}
+ * @method parseStyleAttribute
+ */
+ parseStyleAttribute: function(input) {
+ input += "}"; // for error recovery in _readDeclarations()
+ this._tokenStream = new TokenStream(input, Tokens);
+ this._readDeclarations();
+ }
+ };
+
+ //copy over onto prototype
+ for (prop in additions) {
+ if (Object.prototype.hasOwnProperty.call(additions, prop)) {
+ proto[prop] = additions[prop];
+ }
+ }
+
+ return proto;
+}();
+
+
+/*
+nth
+ : S* [ ['-'|'+']? INTEGER? {N} [ S* ['-'|'+'] S* INTEGER ]? |
+ ['-'|'+']? INTEGER | {O}{D}{D} | {E}{V}{E}{N} ] S*
+ ;
+*/
+
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports) {
+
+var g;
+
+// This works in non-strict mode
+g = (function() {
+ return this;
+})();
+
+try {
+ // This works if eval is allowed (see CSP)
+ g = g || Function("return this")() || (1,eval)("this");
+} catch(e) {
+ // This works if the window reference is available
+ if(typeof window === "object")
+ g = window;
+}
+
+// g can still be undefined, but nothing to do about it...
+// We return undefined, instead of nothing here, so it's
+// easier to handle this case. if(!global) { ...}
+
+module.exports = g;
+
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(0))
+ else if (typeof define == "function" && define.amd) // AMD
+ define(["../../lib/codemirror"], mod)
+ else // Plain browser env
+ mod(CodeMirror)
+})(function(CodeMirror) {
+ "use strict"
+ var Pos = CodeMirror.Pos
+
+ function regexpFlags(regexp) {
+ var flags = regexp.flags
+ return flags != null ? flags : (regexp.ignoreCase ? "i" : "")
+ + (regexp.global ? "g" : "")
+ + (regexp.multiline ? "m" : "")
+ }
+
+ function ensureGlobal(regexp) {
+ return regexp.global ? regexp : new RegExp(regexp.source, regexpFlags(regexp) + "g")
+ }
+
+ function maybeMultiline(regexp) {
+ return /\\s|\\n|\n|\\W|\\D|\[\^/.test(regexp.source)
+ }
+
+ function searchRegexpForward(doc, regexp, start) {
+ regexp = ensureGlobal(regexp)
+ for (var line = start.line, ch = start.ch, last = doc.lastLine(); line <= last; line++, ch = 0) {
+ regexp.lastIndex = ch
+ var string = doc.getLine(line), match = regexp.exec(string)
+ if (match)
+ return {from: Pos(line, match.index),
+ to: Pos(line, match.index + match[0].length),
+ match: match}
+ }
+ }
+
+ function searchRegexpForwardMultiline(doc, regexp, start) {
+ if (!maybeMultiline(regexp)) return searchRegexpForward(doc, regexp, start)
+
+ regexp = ensureGlobal(regexp)
+ var string, chunk = 1
+ for (var line = start.line, last = doc.lastLine(); line <= last;) {
+ // This grows the search buffer in exponentially-sized chunks
+ // between matches, so that nearby matches are fast and don't
+ // require concatenating the whole document (in case we're
+ // searching for something that has tons of matches), but at the
+ // same time, the amount of retries is limited.
+ for (var i = 0; i < chunk; i++) {
+ var curLine = doc.getLine(line++)
+ string = string == null ? curLine : string + "\n" + curLine
+ }
+ chunk = chunk * 2
+ regexp.lastIndex = start.ch
+ var match = regexp.exec(string)
+ if (match) {
+ var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n")
+ var startLine = start.line + before.length - 1, startCh = before[before.length - 1].length
+ return {from: Pos(startLine, startCh),
+ to: Pos(startLine + inside.length - 1,
+ inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
+ match: match}
+ }
+ }
+ }
+
+ function lastMatchIn(string, regexp) {
+ var cutOff = 0, match
+ for (;;) {
+ regexp.lastIndex = cutOff
+ var newMatch = regexp.exec(string)
+ if (!newMatch) return match
+ match = newMatch
+ cutOff = match.index + (match[0].length || 1)
+ if (cutOff == string.length) return match
+ }
+ }
+
+ function searchRegexpBackward(doc, regexp, start) {
+ regexp = ensureGlobal(regexp)
+ for (var line = start.line, ch = start.ch, first = doc.firstLine(); line >= first; line--, ch = -1) {
+ var string = doc.getLine(line)
+ if (ch > -1) string = string.slice(0, ch)
+ var match = lastMatchIn(string, regexp)
+ if (match)
+ return {from: Pos(line, match.index),
+ to: Pos(line, match.index + match[0].length),
+ match: match}
+ }
+ }
+
+ function searchRegexpBackwardMultiline(doc, regexp, start) {
+ regexp = ensureGlobal(regexp)
+ var string, chunk = 1
+ for (var line = start.line, first = doc.firstLine(); line >= first;) {
+ for (var i = 0; i < chunk; i++) {
+ var curLine = doc.getLine(line--)
+ string = string == null ? curLine.slice(0, start.ch) : curLine + "\n" + string
+ }
+ chunk *= 2
+
+ var match = lastMatchIn(string, regexp)
+ if (match) {
+ var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n")
+ var startLine = line + before.length, startCh = before[before.length - 1].length
+ return {from: Pos(startLine, startCh),
+ to: Pos(startLine + inside.length - 1,
+ inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
+ match: match}
+ }
+ }
+ }
+
+ var doFold, noFold
+ if (String.prototype.normalize) {
+ doFold = function(str) { return str.normalize("NFD").toLowerCase() }
+ noFold = function(str) { return str.normalize("NFD") }
+ } else {
+ doFold = function(str) { return str.toLowerCase() }
+ noFold = function(str) { return str }
+ }
+
+ // Maps a position in a case-folded line back to a position in the original line
+ // (compensating for codepoints increasing in number during folding)
+ function adjustPos(orig, folded, pos, foldFunc) {
+ if (orig.length == folded.length) return pos
+ for (var min = 0, max = pos + Math.max(0, orig.length - folded.length);;) {
+ if (min == max) return min
+ var mid = (min + max) >> 1
+ var len = foldFunc(orig.slice(0, mid)).length
+ if (len == pos) return mid
+ else if (len > pos) max = mid
+ else min = mid + 1
+ }
+ }
+
+ function searchStringForward(doc, query, start, caseFold) {
+ // Empty string would match anything and never progress, so we
+ // define it to match nothing instead.
+ if (!query.length) return null
+ var fold = caseFold ? doFold : noFold
+ var lines = fold(query).split(/\r|\n\r?/)
+
+ search: for (var line = start.line, ch = start.ch, last = doc.lastLine() + 1 - lines.length; line <= last; line++, ch = 0) {
+ var orig = doc.getLine(line).slice(ch), string = fold(orig)
+ if (lines.length == 1) {
+ var found = string.indexOf(lines[0])
+ if (found == -1) continue search
+ var start = adjustPos(orig, string, found, fold) + ch
+ return {from: Pos(line, adjustPos(orig, string, found, fold) + ch),
+ to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold) + ch)}
+ } else {
+ var cutFrom = string.length - lines[0].length
+ if (string.slice(cutFrom) != lines[0]) continue search
+ for (var i = 1; i < lines.length - 1; i++)
+ if (fold(doc.getLine(line + i)) != lines[i]) continue search
+ var end = doc.getLine(line + lines.length - 1), endString = fold(end), lastLine = lines[lines.length - 1]
+ if (end.slice(0, lastLine.length) != lastLine) continue search
+ return {from: Pos(line, adjustPos(orig, string, cutFrom, fold) + ch),
+ to: Pos(line + lines.length - 1, adjustPos(end, endString, lastLine.length, fold))}
+ }
+ }
+ }
+
+ function searchStringBackward(doc, query, start, caseFold) {
+ if (!query.length) return null
+ var fold = caseFold ? doFold : noFold
+ var lines = fold(query).split(/\r|\n\r?/)
+
+ search: for (var line = start.line, ch = start.ch, first = doc.firstLine() - 1 + lines.length; line >= first; line--, ch = -1) {
+ var orig = doc.getLine(line)
+ if (ch > -1) orig = orig.slice(0, ch)
+ var string = fold(orig)
+ if (lines.length == 1) {
+ var found = string.lastIndexOf(lines[0])
+ if (found == -1) continue search
+ return {from: Pos(line, adjustPos(orig, string, found, fold)),
+ to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold))}
+ } else {
+ var lastLine = lines[lines.length - 1]
+ if (string.slice(0, lastLine.length) != lastLine) continue search
+ for (var i = 1, start = line - lines.length + 1; i < lines.length - 1; i++)
+ if (fold(doc.getLine(start + i)) != lines[i]) continue search
+ var top = doc.getLine(line + 1 - lines.length), topString = fold(top)
+ if (topString.slice(topString.length - lines[0].length) != lines[0]) continue search
+ return {from: Pos(line + 1 - lines.length, adjustPos(top, topString, top.length - lines[0].length, fold)),
+ to: Pos(line, adjustPos(orig, string, lastLine.length, fold))}
+ }
+ }
+ }
+
+ function SearchCursor(doc, query, pos, options) {
+ this.atOccurrence = false
+ this.doc = doc
+ pos = pos ? doc.clipPos(pos) : Pos(0, 0)
+ this.pos = {from: pos, to: pos}
+
+ var caseFold
+ if (typeof options == "object") {
+ caseFold = options.caseFold
+ } else { // Backwards compat for when caseFold was the 4th argument
+ caseFold = options
+ options = null
+ }
+
+ if (typeof query == "string") {
+ if (caseFold == null) caseFold = false
+ this.matches = function(reverse, pos) {
+ return (reverse ? searchStringBackward : searchStringForward)(doc, query, pos, caseFold)
+ }
+ } else {
+ query = ensureGlobal(query)
+ if (!options || options.multiline !== false)
+ this.matches = function(reverse, pos) {
+ return (reverse ? searchRegexpBackwardMultiline : searchRegexpForwardMultiline)(doc, query, pos)
+ }
+ else
+ this.matches = function(reverse, pos) {
+ return (reverse ? searchRegexpBackward : searchRegexpForward)(doc, query, pos)
+ }
+ }
+ }
+
+ SearchCursor.prototype = {
+ findNext: function() {return this.find(false)},
+ findPrevious: function() {return this.find(true)},
+
+ find: function(reverse) {
+ var result = this.matches(reverse, this.doc.clipPos(reverse ? this.pos.from : this.pos.to))
+
+ // Implements weird auto-growing behavior on null-matches for
+ // backwards-compatiblity with the vim code (unfortunately)
+ while (result && CodeMirror.cmpPos(result.from, result.to) == 0) {
+ if (reverse) {
+ if (result.from.ch) result.from = Pos(result.from.line, result.from.ch - 1)
+ else if (result.from.line == this.doc.firstLine()) result = null
+ else result = this.matches(reverse, this.doc.clipPos(Pos(result.from.line - 1)))
+ } else {
+ if (result.to.ch < this.doc.getLine(result.to.line).length) result.to = Pos(result.to.line, result.to.ch + 1)
+ else if (result.to.line == this.doc.lastLine()) result = null
+ else result = this.matches(reverse, Pos(result.to.line + 1, 0))
+ }
+ }
+
+ if (result) {
+ this.pos = result
+ this.atOccurrence = true
+ return this.pos.match || true
+ } else {
+ var end = Pos(reverse ? this.doc.firstLine() : this.doc.lastLine() + 1, 0)
+ this.pos = {from: end, to: end}
+ return this.atOccurrence = false
+ }
+ },
+
+ from: function() {if (this.atOccurrence) return this.pos.from},
+ to: function() {if (this.atOccurrence) return this.pos.to},
+
+ replace: function(newText, origin) {
+ if (!this.atOccurrence) return
+ var lines = CodeMirror.splitLines(newText)
+ this.doc.replaceRange(lines, this.pos.from, this.pos.to, origin)
+ this.pos.to = Pos(this.pos.from.line + lines.length - 1,
+ lines[lines.length - 1].length + (lines.length == 1 ? this.pos.from.ch : 0))
+ }
+ }
+
+ CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) {
+ return new SearchCursor(this.doc, query, pos, caseFold)
+ })
+ CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) {
+ return new SearchCursor(this, query, pos, caseFold)
+ })
+
+ CodeMirror.defineExtension("selectMatches", function(query, caseFold) {
+ var ranges = []
+ var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold)
+ while (cur.findNext()) {
+ if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break
+ ranges.push({anchor: cur.from(), head: cur.to()})
+ }
+ if (ranges.length)
+ this.setSelections(ranges, 0)
+ })
+});
+
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = SyntaxError;
+
+/**
+ * Type to use when a syntax error occurs.
+ * @class SyntaxError
+ * @namespace parserlib.util
+ * @constructor
+ * @param {String} message The error message.
+ * @param {int} line The line at which the error occurred.
+ * @param {int} col The column at which the error occurred.
+ */
+function SyntaxError(message, line, col) {
+ Error.call(this);
+ this.name = this.constructor.name;
+
+ /**
+ * The column at which the error occurred.
+ * @type int
+ * @property col
+ */
+ this.col = col;
+
+ /**
+ * The line at which the error occurred.
+ * @type int
+ * @property line
+ */
+ this.line = line;
+
+ /**
+ * The text representation of the unit.
+ * @type String
+ * @property text
+ */
+ this.message = message;
+
+}
+
+//inherit from Error
+SyntaxError.prototype = Object.create(Error.prototype); // jshint ignore:line
+SyntaxError.prototype.constructor = SyntaxError; // jshint ignore:line
+
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var Tokens = module.exports = [
+
+ /*
+ * The following token names are defined in CSS3 Grammar: https://www.w3.org/TR/css3-syntax/#lexical
+ */
+
+ // HTML-style comments
+ { name: "CDO" },
+ { name: "CDC" },
+
+ // ignorables
+ { name: "S", whitespace: true/*, channel: "ws"*/ },
+ { name: "COMMENT", comment: true, hide: true, channel: "comment" },
+
+ // attribute equality
+ { name: "INCLUDES", text: "~=" },
+ { name: "DASHMATCH", text: "|=" },
+ { name: "PREFIXMATCH", text: "^=" },
+ { name: "SUFFIXMATCH", text: "$=" },
+ { name: "SUBSTRINGMATCH", text: "*=" },
+
+ // identifier types
+ { name: "STRING" },
+ { name: "IDENT" },
+ { name: "HASH" },
+
+ // at-keywords
+ { name: "IMPORT_SYM", text: "@import" },
+ { name: "PAGE_SYM", text: "@page" },
+ { name: "MEDIA_SYM", text: "@media" },
+ { name: "FONT_FACE_SYM", text: "@font-face" },
+ { name: "CHARSET_SYM", text: "@charset" },
+ { name: "NAMESPACE_SYM", text: "@namespace" },
+ { name: "SUPPORTS_SYM", text: "@supports" },
+ { name: "VIEWPORT_SYM", text: ["@viewport", "@-ms-viewport", "@-o-viewport"] },
+ { name: "DOCUMENT_SYM", text: ["@document", "@-moz-document"] },
+ { name: "UNKNOWN_SYM" },
+ //{ name: "ATKEYWORD"},
+
+ // CSS3 animations
+ { name: "KEYFRAMES_SYM", text: [ "@keyframes", "@-webkit-keyframes", "@-moz-keyframes", "@-o-keyframes" ] },
+
+ // important symbol
+ { name: "IMPORTANT_SYM" },
+
+ // measurements
+ { name: "LENGTH" },
+ { name: "ANGLE" },
+ { name: "TIME" },
+ { name: "FREQ" },
+ { name: "DIMENSION" },
+ { name: "PERCENTAGE" },
+ { name: "NUMBER" },
+
+ // functions
+ { name: "URI" },
+ { name: "FUNCTION" },
+
+ // Unicode ranges
+ { name: "UNICODE_RANGE" },
+
+ /*
+ * The following token names are defined in CSS3 Selectors: https://www.w3.org/TR/css3-selectors/#selector-syntax
+ */
+
+ // invalid string
+ { name: "INVALID" },
+
+ // combinators
+ { name: "PLUS", text: "+" },
+ { name: "GREATER", text: ">" },
+ { name: "COMMA", text: "," },
+ { name: "TILDE", text: "~" },
+
+ // modifier
+ { name: "NOT" },
+
+ /*
+ * Defined in CSS3 Paged Media
+ */
+ { name: "TOPLEFTCORNER_SYM", text: "@top-left-corner" },
+ { name: "TOPLEFT_SYM", text: "@top-left" },
+ { name: "TOPCENTER_SYM", text: "@top-center" },
+ { name: "TOPRIGHT_SYM", text: "@top-right" },
+ { name: "TOPRIGHTCORNER_SYM", text: "@top-right-corner" },
+ { name: "BOTTOMLEFTCORNER_SYM", text: "@bottom-left-corner" },
+ { name: "BOTTOMLEFT_SYM", text: "@bottom-left" },
+ { name: "BOTTOMCENTER_SYM", text: "@bottom-center" },
+ { name: "BOTTOMRIGHT_SYM", text: "@bottom-right" },
+ { name: "BOTTOMRIGHTCORNER_SYM", text: "@bottom-right-corner" },
+ { name: "LEFTTOP_SYM", text: "@left-top" },
+ { name: "LEFTMIDDLE_SYM", text: "@left-middle" },
+ { name: "LEFTBOTTOM_SYM", text: "@left-bottom" },
+ { name: "RIGHTTOP_SYM", text: "@right-top" },
+ { name: "RIGHTMIDDLE_SYM", text: "@right-middle" },
+ { name: "RIGHTBOTTOM_SYM", text: "@right-bottom" },
+
+ /*
+ * The following token names are defined in CSS3 Media Queries: https://www.w3.org/TR/css3-mediaqueries/#syntax
+ */
+ /*{ name: "MEDIA_ONLY", state: "media"},
+ { name: "MEDIA_NOT", state: "media"},
+ { name: "MEDIA_AND", state: "media"},*/
+ { name: "RESOLUTION", state: "media" },
+
+ /*
+ * The following token names are not defined in any CSS specification but are used by the lexer.
+ */
+
+ // not a real token, but useful for stupid IE filters
+ { name: "IE_FUNCTION" },
+
+ // part of CSS3 grammar but not the Flex code
+ { name: "CHAR" },
+
+ // TODO: Needed?
+ // Not defined as tokens, but might as well be
+ {
+ name: "PIPE",
+ text: "|"
+ },
+ {
+ name: "SLASH",
+ text: "/"
+ },
+ {
+ name: "MINUS",
+ text: "-"
+ },
+ {
+ name: "STAR",
+ text: "*"
+ },
+
+ {
+ name: "LBRACE",
+ endChar: "}",
+ text: "{"
+ },
+ {
+ name: "RBRACE",
+ text: "}"
+ },
+ {
+ name: "LBRACKET",
+ endChar: "]",
+ text: "["
+ },
+ {
+ name: "RBRACKET",
+ text: "]"
+ },
+ {
+ name: "EQUALS",
+ text: "="
+ },
+ {
+ name: "COLON",
+ text: ":"
+ },
+ {
+ name: "SEMICOLON",
+ text: ";"
+ },
+ {
+ name: "LPAREN",
+ endChar: ")",
+ text: "("
+ },
+ {
+ name: "RPAREN",
+ text: ")"
+ },
+ {
+ name: "DOT",
+ text: "."
+ }
+];
+
+(function() {
+ var nameMap = [],
+ typeMap = Object.create(null);
+
+ Tokens.UNKNOWN = -1;
+ Tokens.unshift({ name:"EOF" });
+ for (var i=0, len = Tokens.length; i < len; i++) {
+ nameMap.push(Tokens[i].name);
+ Tokens[Tokens[i].name] = i;
+ if (Tokens[i].text) {
+ if (Tokens[i].text instanceof Array) {
+ for (var j=0; j < Tokens[i].text.length; j++) {
+ typeMap[Tokens[i].text[j]] = i;
+ }
+ } else {
+ typeMap[Tokens[i].text] = i;
+ }
+ }
+ }
+
+ Tokens.name = function(tt) {
+ return nameMap[tt];
+ };
+
+ Tokens.type = function(c) {
+ return typeMap[c] || -1;
+ };
+})();
+
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports) {
+
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things. But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals. It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+ throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+ throw new Error('clearTimeout has not been defined');
+}
+(function () {
+ try {
+ if (typeof setTimeout === 'function') {
+ cachedSetTimeout = setTimeout;
+ } else {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ } catch (e) {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ try {
+ if (typeof clearTimeout === 'function') {
+ cachedClearTimeout = clearTimeout;
+ } else {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+ } catch (e) {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+} ())
+function runTimeout(fun) {
+ if (cachedSetTimeout === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+ cachedSetTimeout = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout(fun, 0);
+ } catch(e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout.call(null, fun, 0);
+ } catch(e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout.call(this, fun, 0);
+ }
+ }
+
+
+}
+function runClearTimeout(marker) {
+ if (cachedClearTimeout === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+ cachedClearTimeout = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout(marker);
+ } catch (e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout.call(null, marker);
+ } catch (e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout.call(this, marker);
+ }
+ }
+
+
+
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+ if (!draining || !currentQueue) {
+ return;
+ }
+ draining = false;
+ if (currentQueue.length) {
+ queue = currentQueue.concat(queue);
+ } else {
+ queueIndex = -1;
+ }
+ if (queue.length) {
+ drainQueue();
+ }
+}
+
+function drainQueue() {
+ if (draining) {
+ return;
+ }
+ var timeout = runTimeout(cleanUpNextTick);
+ draining = true;
+
+ var len = queue.length;
+ while(len) {
+ currentQueue = queue;
+ queue = [];
+ while (++queueIndex < len) {
+ if (currentQueue) {
+ currentQueue[queueIndex].run();
+ }
+ }
+ queueIndex = -1;
+ len = queue.length;
+ }
+ currentQueue = null;
+ draining = false;
+ runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue.push(new Item(fun, args));
+ if (queue.length === 1 && !draining) {
+ runTimeout(drainQueue);
+ }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+}
+Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) { return [] }
+
+process.binding = function (name) {
+ throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+ throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
+
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+// Open simple dialogs on top of an editor. Relies on dialog.css.
+
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(0));
+ else if (typeof define == "function" && define.amd) // AMD
+ define(["../../lib/codemirror"], mod);
+ else // Plain browser env
+ mod(CodeMirror);
+})(function(CodeMirror) {
+ function dialogDiv(cm, template, bottom) {
+ var wrap = cm.getWrapperElement();
+ var dialog;
+ dialog = wrap.appendChild(document.createElement("div"));
+ if (bottom)
+ dialog.className = "CodeMirror-dialog CodeMirror-dialog-bottom";
+ else
+ dialog.className = "CodeMirror-dialog CodeMirror-dialog-top";
+
+ if (typeof template == "string") {
+ dialog.innerHTML = template;
+ } else { // Assuming it's a detached DOM element.
+ dialog.appendChild(template);
+ }
+ return dialog;
+ }
+
+ function closeNotification(cm, newVal) {
+ if (cm.state.currentNotificationClose)
+ cm.state.currentNotificationClose();
+ cm.state.currentNotificationClose = newVal;
+ }
+
+ CodeMirror.defineExtension("openDialog", function(template, callback, options) {
+ if (!options) options = {};
+
+ closeNotification(this, null);
+
+ var dialog = dialogDiv(this, template, options.bottom);
+ var closed = false, me = this;
+ function close(newVal) {
+ if (typeof newVal == 'string') {
+ inp.value = newVal;
+ } else {
+ if (closed) return;
+ closed = true;
+ dialog.parentNode.removeChild(dialog);
+ me.focus();
+
+ if (options.onClose) options.onClose(dialog);
+ }
+ }
+
+ var inp = dialog.getElementsByTagName("input")[0], button;
+ if (inp) {
+ inp.focus();
+
+ if (options.value) {
+ inp.value = options.value;
+ if (options.selectValueOnOpen !== false) {
+ inp.select();
+ }
+ }
+
+ if (options.onInput)
+ CodeMirror.on(inp, "input", function(e) { options.onInput(e, inp.value, close);});
+ if (options.onKeyUp)
+ CodeMirror.on(inp, "keyup", function(e) {options.onKeyUp(e, inp.value, close);});
+
+ CodeMirror.on(inp, "keydown", function(e) {
+ if (options && options.onKeyDown && options.onKeyDown(e, inp.value, close)) { return; }
+ if (e.keyCode == 27 || (options.closeOnEnter !== false && e.keyCode == 13)) {
+ inp.blur();
+ CodeMirror.e_stop(e);
+ close();
+ }
+ if (e.keyCode == 13) callback(inp.value, e);
+ });
+
+ if (options.closeOnBlur !== false) CodeMirror.on(inp, "blur", close);
+ } else if (button = dialog.getElementsByTagName("button")[0]) {
+ CodeMirror.on(button, "click", function() {
+ close();
+ me.focus();
+ });
+
+ if (options.closeOnBlur !== false) CodeMirror.on(button, "blur", close);
+
+ button.focus();
+ }
+ return close;
+ });
+
+ CodeMirror.defineExtension("openConfirm", function(template, callbacks, options) {
+ closeNotification(this, null);
+ var dialog = dialogDiv(this, template, options && options.bottom);
+ var buttons = dialog.getElementsByTagName("button");
+ var closed = false, me = this, blurring = 1;
+ function close() {
+ if (closed) return;
+ closed = true;
+ dialog.parentNode.removeChild(dialog);
+ me.focus();
+ }
+ buttons[0].focus();
+ for (var i = 0; i < buttons.length; ++i) {
+ var b = buttons[i];
+ (function(callback) {
+ CodeMirror.on(b, "click", function(e) {
+ CodeMirror.e_preventDefault(e);
+ close();
+ if (callback) callback(me);
+ });
+ })(callbacks[i]);
+ CodeMirror.on(b, "blur", function() {
+ --blurring;
+ setTimeout(function() { if (blurring <= 0) close(); }, 200);
+ });
+ CodeMirror.on(b, "focus", function() { ++blurring; });
+ }
+ });
+
+ /*
+ * openNotification
+ * Opens a notification, that can be closed with an optional timer
+ * (default 5000ms timer) and always closes on click.
+ *
+ * If a notification is opened while another is opened, it will close the
+ * currently opened one and open the new one immediately.
+ */
+ CodeMirror.defineExtension("openNotification", function(template, options) {
+ closeNotification(this, close);
+ var dialog = dialogDiv(this, template, options && options.bottom);
+ var closed = false, doneTimer;
+ var duration = options && typeof options.duration !== "undefined" ? options.duration : 5000;
+
+ function close() {
+ if (closed) return;
+ closed = true;
+ clearTimeout(doneTimer);
+ dialog.parentNode.removeChild(dialog);
+ }
+
+ CodeMirror.on(dialog, 'click', function(e) {
+ CodeMirror.e_preventDefault(e);
+ close();
+ });
+
+ if (duration)
+ doneTimer = setTimeout(close, duration);
+
+ return close;
+ });
+});
+
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(0));
+ else if (typeof define == "function" && define.amd) // AMD
+ define(["../../lib/codemirror"], mod);
+ else // Plain browser env
+ mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+CodeMirror.defineMode("css", function(config, parserConfig) {
+ var inline = parserConfig.inline
+ if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css");
+
+ var indentUnit = config.indentUnit,
+ tokenHooks = parserConfig.tokenHooks,
+ documentTypes = parserConfig.documentTypes || {},
+ mediaTypes = parserConfig.mediaTypes || {},
+ mediaFeatures = parserConfig.mediaFeatures || {},
+ mediaValueKeywords = parserConfig.mediaValueKeywords || {},
+ propertyKeywords = parserConfig.propertyKeywords || {},
+ nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {},
+ fontProperties = parserConfig.fontProperties || {},
+ counterDescriptors = parserConfig.counterDescriptors || {},
+ colorKeywords = parserConfig.colorKeywords || {},
+ valueKeywords = parserConfig.valueKeywords || {},
+ allowNested = parserConfig.allowNested,
+ lineComment = parserConfig.lineComment,
+ supportsAtComponent = parserConfig.supportsAtComponent === true;
+
+ var type, override;
+ function ret(style, tp) { type = tp; return style; }
+
+ // Tokenizers
+
+ function tokenBase(stream, state) {
+ var ch = stream.next();
+ if (tokenHooks[ch]) {
+ var result = tokenHooks[ch](stream, state);
+ if (result !== false) return result;
+ }
+ if (ch == "@") {
+ stream.eatWhile(/[\w\\\-]/);
+ return ret("def", stream.current());
+ } else if (ch == "=" || (ch == "~" || ch == "|") && stream.eat("=")) {
+ return ret(null, "compare");
+ } else if (ch == "\"" || ch == "'") {
+ state.tokenize = tokenString(ch);
+ return state.tokenize(stream, state);
+ } else if (ch == "#") {
+ stream.eatWhile(/[\w\\\-]/);
+ return ret("atom", "hash");
+ } else if (ch == "!") {
+ stream.match(/^\s*\w*/);
+ return ret("keyword", "important");
+ } else if (/\d/.test(ch) || ch == "." && stream.eat(/\d/)) {
+ stream.eatWhile(/[\w.%]/);
+ return ret("number", "unit");
+ } else if (ch === "-") {
+ if (/[\d.]/.test(stream.peek())) {
+ stream.eatWhile(/[\w.%]/);
+ return ret("number", "unit");
+ } else if (stream.match(/^-[\w\\\-]+/)) {
+ stream.eatWhile(/[\w\\\-]/);
+ if (stream.match(/^\s*:/, false))
+ return ret("variable-2", "variable-definition");
+ return ret("variable-2", "variable");
+ } else if (stream.match(/^\w+-/)) {
+ return ret("meta", "meta");
+ }
+ } else if (/[,+>*\/]/.test(ch)) {
+ return ret(null, "select-op");
+ } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
+ return ret("qualifier", "qualifier");
+ } else if (/[:;{}\[\]\(\)]/.test(ch)) {
+ return ret(null, ch);
+ } else if ((ch == "u" && stream.match(/rl(-prefix)?\(/)) ||
+ (ch == "d" && stream.match("omain(")) ||
+ (ch == "r" && stream.match("egexp("))) {
+ stream.backUp(1);
+ state.tokenize = tokenParenthesized;
+ return ret("property", "word");
+ } else if (/[\w\\\-]/.test(ch)) {
+ stream.eatWhile(/[\w\\\-]/);
+ return ret("property", "word");
+ } else {
+ return ret(null, null);
+ }
+ }
+
+ function tokenString(quote) {
+ return function(stream, state) {
+ var escaped = false, ch;
+ while ((ch = stream.next()) != null) {
+ if (ch == quote && !escaped) {
+ if (quote == ")") stream.backUp(1);
+ break;
+ }
+ escaped = !escaped && ch == "\\";
+ }
+ if (ch == quote || !escaped && quote != ")") state.tokenize = null;
+ return ret("string", "string");
+ };
+ }
+
+ function tokenParenthesized(stream, state) {
+ stream.next(); // Must be '('
+ if (!stream.match(/\s*[\"\')]/, false))
+ state.tokenize = tokenString(")");
+ else
+ state.tokenize = null;
+ return ret(null, "(");
+ }
+
+ // Context management
+
+ function Context(type, indent, prev) {
+ this.type = type;
+ this.indent = indent;
+ this.prev = prev;
+ }
+
+ function pushContext(state, stream, type, indent) {
+ state.context = new Context(type, stream.indentation() + (indent === false ? 0 : indentUnit), state.context);
+ return type;
+ }
+
+ function popContext(state) {
+ if (state.context.prev)
+ state.context = state.context.prev;
+ return state.context.type;
+ }
+
+ function pass(type, stream, state) {
+ return states[state.context.type](type, stream, state);
+ }
+ function popAndPass(type, stream, state, n) {
+ for (var i = n || 1; i > 0; i--)
+ state.context = state.context.prev;
+ return pass(type, stream, state);
+ }
+
+ // Parser
+
+ function wordAsValue(stream) {
+ var word = stream.current().toLowerCase();
+ if (valueKeywords.hasOwnProperty(word))
+ override = "atom";
+ else if (colorKeywords.hasOwnProperty(word))
+ override = "keyword";
+ else
+ override = "variable";
+ }
+
+ var states = {};
+
+ states.top = function(type, stream, state) {
+ if (type == "{") {
+ return pushContext(state, stream, "block");
+ } else if (type == "}" && state.context.prev) {
+ return popContext(state);
+ } else if (supportsAtComponent && /@component/.test(type)) {
+ return pushContext(state, stream, "atComponentBlock");
+ } else if (/^@(-moz-)?document$/.test(type)) {
+ return pushContext(state, stream, "documentTypes");
+ } else if (/^@(media|supports|(-moz-)?document|import)$/.test(type)) {
+ return pushContext(state, stream, "atBlock");
+ } else if (/^@(font-face|counter-style)/.test(type)) {
+ state.stateArg = type;
+ return "restricted_atBlock_before";
+ } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/.test(type)) {
+ return "keyframes";
+ } else if (type && type.charAt(0) == "@") {
+ return pushContext(state, stream, "at");
+ } else if (type == "hash") {
+ override = "builtin";
+ } else if (type == "word") {
+ override = "tag";
+ } else if (type == "variable-definition") {
+ return "maybeprop";
+ } else if (type == "interpolation") {
+ return pushContext(state, stream, "interpolation");
+ } else if (type == ":") {
+ return "pseudo";
+ } else if (allowNested && type == "(") {
+ return pushContext(state, stream, "parens");
+ }
+ return state.context.type;
+ };
+
+ states.block = function(type, stream, state) {
+ if (type == "word") {
+ var word = stream.current().toLowerCase();
+ if (propertyKeywords.hasOwnProperty(word)) {
+ override = "property";
+ return "maybeprop";
+ } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {
+ override = "string-2";
+ return "maybeprop";
+ } else if (allowNested) {
+ override = stream.match(/^\s*:(?:\s|$)/, false) ? "property" : "tag";
+ return "block";
+ } else {
+ override += " error";
+ return "maybeprop";
+ }
+ } else if (type == "meta") {
+ return "block";
+ } else if (!allowNested && (type == "hash" || type == "qualifier")) {
+ override = "error";
+ return "block";
+ } else {
+ return states.top(type, stream, state);
+ }
+ };
+
+ states.maybeprop = function(type, stream, state) {
+ if (type == ":") return pushContext(state, stream, "prop");
+ return pass(type, stream, state);
+ };
+
+ states.prop = function(type, stream, state) {
+ if (type == ";") return popContext(state);
+ if (type == "{" && allowNested) return pushContext(state, stream, "propBlock");
+ if (type == "}" || type == "{") return popAndPass(type, stream, state);
+ if (type == "(") return pushContext(state, stream, "parens");
+
+ if (type == "hash" && !/^#([0-9a-fA-f]{3,4}|[0-9a-fA-f]{6}|[0-9a-fA-f]{8})$/.test(stream.current())) {
+ override += " error";
+ } else if (type == "word") {
+ wordAsValue(stream);
+ } else if (type == "interpolation") {
+ return pushContext(state, stream, "interpolation");
+ }
+ return "prop";
+ };
+
+ states.propBlock = function(type, _stream, state) {
+ if (type == "}") return popContext(state);
+ if (type == "word") { override = "property"; return "maybeprop"; }
+ return state.context.type;
+ };
+
+ states.parens = function(type, stream, state) {
+ if (type == "{" || type == "}") return popAndPass(type, stream, state);
+ if (type == ")") return popContext(state);
+ if (type == "(") return pushContext(state, stream, "parens");
+ if (type == "interpolation") return pushContext(state, stream, "interpolation");
+ if (type == "word") wordAsValue(stream);
+ return "parens";
+ };
+
+ states.pseudo = function(type, stream, state) {
+ if (type == "meta") return "pseudo";
+
+ if (type == "word") {
+ override = "variable-3";
+ return state.context.type;
+ }
+ return pass(type, stream, state);
+ };
+
+ states.documentTypes = function(type, stream, state) {
+ if (type == "word" && documentTypes.hasOwnProperty(stream.current())) {
+ override = "tag";
+ return state.context.type;
+ } else {
+ return states.atBlock(type, stream, state);
+ }
+ };
+
+ states.atBlock = function(type, stream, state) {
+ if (type == "(") return pushContext(state, stream, "atBlock_parens");
+ if (type == "}" || type == ";") return popAndPass(type, stream, state);
+ if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top");
+
+ if (type == "interpolation") return pushContext(state, stream, "interpolation");
+
+ if (type == "word") {
+ var word = stream.current().toLowerCase();
+ if (word == "only" || word == "not" || word == "and" || word == "or")
+ override = "keyword";
+ else if (mediaTypes.hasOwnProperty(word))
+ override = "attribute";
+ else if (mediaFeatures.hasOwnProperty(word))
+ override = "property";
+ else if (mediaValueKeywords.hasOwnProperty(word))
+ override = "keyword";
+ else if (propertyKeywords.hasOwnProperty(word))
+ override = "property";
+ else if (nonStandardPropertyKeywords.hasOwnProperty(word))
+ override = "string-2";
+ else if (valueKeywords.hasOwnProperty(word))
+ override = "atom";
+ else if (colorKeywords.hasOwnProperty(word))
+ override = "keyword";
+ else
+ override = "error";
+ }
+ return state.context.type;
+ };
+
+ states.atComponentBlock = function(type, stream, state) {
+ if (type == "}")
+ return popAndPass(type, stream, state);
+ if (type == "{")
+ return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top", false);
+ if (type == "word")
+ override = "error";
+ return state.context.type;
+ };
+
+ states.atBlock_parens = function(type, stream, state) {
+ if (type == ")") return popContext(state);
+ if (type == "{" || type == "}") return popAndPass(type, stream, state, 2);
+ return states.atBlock(type, stream, state);
+ };
+
+ states.restricted_atBlock_before = function(type, stream, state) {
+ if (type == "{")
+ return pushContext(state, stream, "restricted_atBlock");
+ if (type == "word" && state.stateArg == "@counter-style") {
+ override = "variable";
+ return "restricted_atBlock_before";
+ }
+ return pass(type, stream, state);
+ };
+
+ states.restricted_atBlock = function(type, stream, state) {
+ if (type == "}") {
+ state.stateArg = null;
+ return popContext(state);
+ }
+ if (type == "word") {
+ if ((state.stateArg == "@font-face" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) ||
+ (state.stateArg == "@counter-style" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase())))
+ override = "error";
+ else
+ override = "property";
+ return "maybeprop";
+ }
+ return "restricted_atBlock";
+ };
+
+ states.keyframes = function(type, stream, state) {
+ if (type == "word") { override = "variable"; return "keyframes"; }
+ if (type == "{") return pushContext(state, stream, "top");
+ return pass(type, stream, state);
+ };
+
+ states.at = function(type, stream, state) {
+ if (type == ";") return popContext(state);
+ if (type == "{" || type == "}") return popAndPass(type, stream, state);
+ if (type == "word") override = "tag";
+ else if (type == "hash") override = "builtin";
+ return "at";
+ };
+
+ states.interpolation = function(type, stream, state) {
+ if (type == "}") return popContext(state);
+ if (type == "{" || type == ";") return popAndPass(type, stream, state);
+ if (type == "word") override = "variable";
+ else if (type != "variable" && type != "(" && type != ")") override = "error";
+ return "interpolation";
+ };
+
+ return {
+ startState: function(base) {
+ return {tokenize: null,
+ state: inline ? "block" : "top",
+ stateArg: null,
+ context: new Context(inline ? "block" : "top", base || 0, null)};
+ },
+
+ token: function(stream, state) {
+ if (!state.tokenize && stream.eatSpace()) return null;
+ var style = (state.tokenize || tokenBase)(stream, state);
+ if (style && typeof style == "object") {
+ type = style[1];
+ style = style[0];
+ }
+ override = style;
+ if (type != "comment")
+ state.state = states[state.state](type, stream, state);
+ return override;
+ },
+
+ indent: function(state, textAfter) {
+ var cx = state.context, ch = textAfter && textAfter.charAt(0);
+ var indent = cx.indent;
+ if (cx.type == "prop" && (ch == "}" || ch == ")")) cx = cx.prev;
+ if (cx.prev) {
+ if (ch == "}" && (cx.type == "block" || cx.type == "top" ||
+ cx.type == "interpolation" || cx.type == "restricted_atBlock")) {
+ // Resume indentation from parent context.
+ cx = cx.prev;
+ indent = cx.indent;
+ } else if (ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||
+ ch == "{" && (cx.type == "at" || cx.type == "atBlock")) {
+ // Dedent relative to current context.
+ indent = Math.max(0, cx.indent - indentUnit);
+ }
+ }
+ return indent;
+ },
+
+ electricChars: "}",
+ blockCommentStart: "/*",
+ blockCommentEnd: "*/",
+ lineComment: lineComment,
+ fold: "brace"
+ };
+});
+
+ function keySet(array) {
+ var keys = {};
+ for (var i = 0; i < array.length; ++i) {
+ keys[array[i].toLowerCase()] = true;
+ }
+ return keys;
+ }
+
+ var documentTypes_ = [
+ "domain", "regexp", "url", "url-prefix"
+ ], documentTypes = keySet(documentTypes_);
+
+ var mediaTypes_ = [
+ "all", "aural", "braille", "handheld", "print", "projection", "screen",
+ "tty", "tv", "embossed"
+ ], mediaTypes = keySet(mediaTypes_);
+
+ var mediaFeatures_ = [
+ "width", "min-width", "max-width", "height", "min-height", "max-height",
+ "device-width", "min-device-width", "max-device-width", "device-height",
+ "min-device-height", "max-device-height", "aspect-ratio",
+ "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
+ "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
+ "max-color", "color-index", "min-color-index", "max-color-index",
+ "monochrome", "min-monochrome", "max-monochrome", "resolution",
+ "min-resolution", "max-resolution", "scan", "grid", "orientation",
+ "device-pixel-ratio", "min-device-pixel-ratio", "max-device-pixel-ratio",
+ "pointer", "any-pointer", "hover", "any-hover"
+ ], mediaFeatures = keySet(mediaFeatures_);
+
+ var mediaValueKeywords_ = [
+ "landscape", "portrait", "none", "coarse", "fine", "on-demand", "hover",
+ "interlace", "progressive"
+ ], mediaValueKeywords = keySet(mediaValueKeywords_);
+
+ var propertyKeywords_ = [
+ "align-content", "align-items", "align-self", "alignment-adjust",
+ "alignment-baseline", "anchor-point", "animation", "animation-delay",
+ "animation-direction", "animation-duration", "animation-fill-mode",
+ "animation-iteration-count", "animation-name", "animation-play-state",
+ "animation-timing-function", "appearance", "azimuth", "backface-visibility",
+ "background", "background-attachment", "background-blend-mode", "background-clip",
+ "background-color", "background-image", "background-origin", "background-position",
+ "background-repeat", "background-size", "baseline-shift", "binding",
+ "bleed", "bookmark-label", "bookmark-level", "bookmark-state",
+ "bookmark-target", "border", "border-bottom", "border-bottom-color",
+ "border-bottom-left-radius", "border-bottom-right-radius",
+ "border-bottom-style", "border-bottom-width", "border-collapse",
+ "border-color", "border-image", "border-image-outset",
+ "border-image-repeat", "border-image-slice", "border-image-source",
+ "border-image-width", "border-left", "border-left-color",
+ "border-left-style", "border-left-width", "border-radius", "border-right",
+ "border-right-color", "border-right-style", "border-right-width",
+ "border-spacing", "border-style", "border-top", "border-top-color",
+ "border-top-left-radius", "border-top-right-radius", "border-top-style",
+ "border-top-width", "border-width", "bottom", "box-decoration-break",
+ "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
+ "caption-side", "caret-color", "clear", "clip", "color", "color-profile", "column-count",
+ "column-fill", "column-gap", "column-rule", "column-rule-color",
+ "column-rule-style", "column-rule-width", "column-span", "column-width",
+ "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
+ "cue-after", "cue-before", "cursor", "direction", "display",
+ "dominant-baseline", "drop-initial-after-adjust",
+ "drop-initial-after-align", "drop-initial-before-adjust",
+ "drop-initial-before-align", "drop-initial-size", "drop-initial-value",
+ "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",
+ "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",
+ "float", "float-offset", "flow-from", "flow-into", "font", "font-feature-settings",
+ "font-family", "font-kerning", "font-language-override", "font-size", "font-size-adjust",
+ "font-stretch", "font-style", "font-synthesis", "font-variant",
+ "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
+ "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
+ "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow",
+ "grid-auto-rows", "grid-column", "grid-column-end", "grid-column-gap",
+ "grid-column-start", "grid-gap", "grid-row", "grid-row-end", "grid-row-gap",
+ "grid-row-start", "grid-template", "grid-template-areas", "grid-template-columns",
+ "grid-template-rows", "hanging-punctuation", "height", "hyphens",
+ "icon", "image-orientation", "image-rendering", "image-resolution",
+ "inline-box-align", "justify-content", "justify-items", "justify-self", "left", "letter-spacing",
+ "line-break", "line-height", "line-stacking", "line-stacking-ruby",
+ "line-stacking-shift", "line-stacking-strategy", "list-style",
+ "list-style-image", "list-style-position", "list-style-type", "margin",
+ "margin-bottom", "margin-left", "margin-right", "margin-top",
+ "marks", "marquee-direction", "marquee-loop",
+ "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
+ "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",
+ "nav-left", "nav-right", "nav-up", "object-fit", "object-position",
+ "opacity", "order", "orphans", "outline",
+ "outline-color", "outline-offset", "outline-style", "outline-width",
+ "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",
+ "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
+ "page", "page-break-after", "page-break-before", "page-break-inside",
+ "page-policy", "pause", "pause-after", "pause-before", "perspective",
+ "perspective-origin", "pitch", "pitch-range", "place-content", "place-items", "place-self", "play-during", "position",
+ "presentation-level", "punctuation-trim", "quotes", "region-break-after",
+ "region-break-before", "region-break-inside", "region-fragment",
+ "rendering-intent", "resize", "rest", "rest-after", "rest-before", "richness",
+ "right", "rotation", "rotation-point", "ruby-align", "ruby-overhang",
+ "ruby-position", "ruby-span", "shape-image-threshold", "shape-inside", "shape-margin",
+ "shape-outside", "size", "speak", "speak-as", "speak-header",
+ "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set",
+ "tab-size", "table-layout", "target", "target-name", "target-new",
+ "target-position", "text-align", "text-align-last", "text-decoration",
+ "text-decoration-color", "text-decoration-line", "text-decoration-skip",
+ "text-decoration-style", "text-emphasis", "text-emphasis-color",
+ "text-emphasis-position", "text-emphasis-style", "text-height",
+ "text-indent", "text-justify", "text-outline", "text-overflow", "text-shadow",
+ "text-size-adjust", "text-space-collapse", "text-transform", "text-underline-position",
+ "text-wrap", "top", "transform", "transform-origin", "transform-style",
+ "transition", "transition-delay", "transition-duration",
+ "transition-property", "transition-timing-function", "unicode-bidi",
+ "user-select", "vertical-align", "visibility", "voice-balance", "voice-duration",
+ "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
+ "voice-volume", "volume", "white-space", "widows", "width", "will-change", "word-break",
+ "word-spacing", "word-wrap", "z-index",
+ // SVG-specific
+ "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color",
+ "flood-opacity", "lighting-color", "stop-color", "stop-opacity", "pointer-events",
+ "color-interpolation", "color-interpolation-filters",
+ "color-rendering", "fill", "fill-opacity", "fill-rule", "image-rendering",
+ "marker", "marker-end", "marker-mid", "marker-start", "shape-rendering", "stroke",
+ "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin",
+ "stroke-miterlimit", "stroke-opacity", "stroke-width", "text-rendering",
+ "baseline-shift", "dominant-baseline", "glyph-orientation-horizontal",
+ "glyph-orientation-vertical", "text-anchor", "writing-mode"
+ ], propertyKeywords = keySet(propertyKeywords_);
+
+ var nonStandardPropertyKeywords_ = [
+ "scrollbar-arrow-color", "scrollbar-base-color", "scrollbar-dark-shadow-color",
+ "scrollbar-face-color", "scrollbar-highlight-color", "scrollbar-shadow-color",
+ "scrollbar-3d-light-color", "scrollbar-track-color", "shape-inside",
+ "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button",
+ "searchfield-results-decoration", "zoom"
+ ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_);
+
+ var fontProperties_ = [
+ "font-family", "src", "unicode-range", "font-variant", "font-feature-settings",
+ "font-stretch", "font-weight", "font-style"
+ ], fontProperties = keySet(fontProperties_);
+
+ var counterDescriptors_ = [
+ "additive-symbols", "fallback", "negative", "pad", "prefix", "range",
+ "speak-as", "suffix", "symbols", "system"
+ ], counterDescriptors = keySet(counterDescriptors_);
+
+ var colorKeywords_ = [
+ "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige",
+ "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown",
+ "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue",
+ "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod",
+ "darkgray", "darkgreen", "darkkhaki", "darkmagenta", "darkolivegreen",
+ "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen",
+ "darkslateblue", "darkslategray", "darkturquoise", "darkviolet",
+ "deeppink", "deepskyblue", "dimgray", "dodgerblue", "firebrick",
+ "floralwhite", "forestgreen", "fuchsia", "gainsboro", "ghostwhite",
+ "gold", "goldenrod", "gray", "grey", "green", "greenyellow", "honeydew",
+ "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender",
+ "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral",
+ "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightpink",
+ "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray",
+ "lightsteelblue", "lightyellow", "lime", "limegreen", "linen", "magenta",
+ "maroon", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple",
+ "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise",
+ "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin",
+ "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered",
+ "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred",
+ "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue",
+ "purple", "rebeccapurple", "red", "rosybrown", "royalblue", "saddlebrown",
+ "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue",
+ "slateblue", "slategray", "snow", "springgreen", "steelblue", "tan",
+ "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white",
+ "whitesmoke", "yellow", "yellowgreen"
+ ], colorKeywords = keySet(colorKeywords_);
+
+ var valueKeywords_ = [
+ "above", "absolute", "activeborder", "additive", "activecaption", "afar",
+ "after-white-space", "ahead", "alias", "all", "all-scroll", "alphabetic", "alternate",
+ "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
+ "arabic-indic", "armenian", "asterisks", "attr", "auto", "auto-flow", "avoid", "avoid-column", "avoid-page",
+ "avoid-region", "background", "backwards", "baseline", "below", "bidi-override", "binary",
+ "bengali", "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
+ "both", "bottom", "break", "break-all", "break-word", "bullets", "button", "button-bevel",
+ "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "calc", "cambodian",
+ "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
+ "cell", "center", "checkbox", "circle", "cjk-decimal", "cjk-earthly-branch",
+ "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
+ "col-resize", "collapse", "color", "color-burn", "color-dodge", "column", "column-reverse",
+ "compact", "condensed", "contain", "content", "contents",
+ "content-box", "context-menu", "continuous", "copy", "counter", "counters", "cover", "crop",
+ "cross", "crosshair", "currentcolor", "cursive", "cyclic", "darken", "dashed", "decimal",
+ "decimal-leading-zero", "default", "default-button", "dense", "destination-atop",
+ "destination-in", "destination-out", "destination-over", "devanagari", "difference",
+ "disc", "discard", "disclosure-closed", "disclosure-open", "document",
+ "dot-dash", "dot-dot-dash",
+ "dotted", "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
+ "element", "ellipse", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
+ "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
+ "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
+ "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
+ "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
+ "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
+ "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig",
+ "ethiopic-numeric", "ew-resize", "exclusion", "expanded", "extends", "extra-condensed",
+ "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "flex", "flex-end", "flex-start", "footnotes",
+ "forwards", "from", "geometricPrecision", "georgian", "graytext", "grid", "groove",
+ "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hard-light", "hebrew",
+ "help", "hidden", "hide", "higher", "highlight", "highlighttext",
+ "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "hue", "icon", "ignore",
+ "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
+ "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
+ "inline-block", "inline-flex", "inline-grid", "inline-table", "inset", "inside", "intrinsic", "invert",
+ "italic", "japanese-formal", "japanese-informal", "justify", "kannada",
+ "katakana", "katakana-iroha", "keep-all", "khmer",
+ "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal",
+ "landscape", "lao", "large", "larger", "left", "level", "lighter", "lighten",
+ "line-through", "linear", "linear-gradient", "lines", "list-item", "listbox", "listitem",
+ "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
+ "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
+ "lower-roman", "lowercase", "ltr", "luminosity", "malayalam", "match", "matrix", "matrix3d",
+ "media-controls-background", "media-current-time-display",
+ "media-fullscreen-button", "media-mute-button", "media-play-button",
+ "media-return-to-realtime-button", "media-rewind-button",
+ "media-seek-back-button", "media-seek-forward-button", "media-slider",
+ "media-sliderthumb", "media-time-remaining-display", "media-volume-slider",
+ "media-volume-slider-container", "media-volume-sliderthumb", "medium",
+ "menu", "menulist", "menulist-button", "menulist-text",
+ "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic",
+ "mix", "mongolian", "monospace", "move", "multiple", "multiply", "myanmar", "n-resize",
+ "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
+ "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
+ "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "opacity", "open-quote",
+ "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
+ "outside", "outside-shape", "overlay", "overline", "padding", "padding-box",
+ "painted", "page", "paused", "persian", "perspective", "plus-darker", "plus-lighter",
+ "pointer", "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d",
+ "progress", "push-button", "radial-gradient", "radio", "read-only",
+ "read-write", "read-write-plaintext-only", "rectangle", "region",
+ "relative", "repeat", "repeating-linear-gradient",
+ "repeating-radial-gradient", "repeat-x", "repeat-y", "reset", "reverse",
+ "rgb", "rgba", "ridge", "right", "rotate", "rotate3d", "rotateX", "rotateY",
+ "rotateZ", "round", "row", "row-resize", "row-reverse", "rtl", "run-in", "running",
+ "s-resize", "sans-serif", "saturation", "scale", "scale3d", "scaleX", "scaleY", "scaleZ", "screen",
+ "scroll", "scrollbar", "scroll-position", "se-resize", "searchfield",
+ "searchfield-cancel-button", "searchfield-decoration",
+ "searchfield-results-button", "searchfield-results-decoration", "self-start", "self-end",
+ "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
+ "simp-chinese-formal", "simp-chinese-informal", "single",
+ "skew", "skewX", "skewY", "skip-white-space", "slide", "slider-horizontal",
+ "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
+ "small", "small-caps", "small-caption", "smaller", "soft-light", "solid", "somali",
+ "source-atop", "source-in", "source-out", "source-over", "space", "space-around", "space-between", "space-evenly", "spell-out", "square",
+ "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub",
+ "subpixel-antialiased", "super", "sw-resize", "symbolic", "symbols", "system-ui", "table",
+ "table-caption", "table-cell", "table-column", "table-column-group",
+ "table-footer-group", "table-header-group", "table-row", "table-row-group",
+ "tamil",
+ "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
+ "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
+ "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
+ "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
+ "trad-chinese-formal", "trad-chinese-informal", "transform",
+ "translate", "translate3d", "translateX", "translateY", "translateZ",
+ "transparent", "ultra-condensed", "ultra-expanded", "underline", "unset", "up",
+ "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
+ "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
+ "var", "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
+ "visibleStroke", "visual", "w-resize", "wait", "wave", "wider",
+ "window", "windowframe", "windowtext", "words", "wrap", "wrap-reverse", "x-large", "x-small", "xor",
+ "xx-large", "xx-small"
+ ], valueKeywords = keySet(valueKeywords_);
+
+ var allWords = documentTypes_.concat(mediaTypes_).concat(mediaFeatures_).concat(mediaValueKeywords_)
+ .concat(propertyKeywords_).concat(nonStandardPropertyKeywords_).concat(colorKeywords_)
+ .concat(valueKeywords_);
+ CodeMirror.registerHelper("hintWords", "css", allWords);
+
+ function tokenCComment(stream, state) {
+ var maybeEnd = false, ch;
+ while ((ch = stream.next()) != null) {
+ if (maybeEnd && ch == "/") {
+ state.tokenize = null;
+ break;
+ }
+ maybeEnd = (ch == "*");
+ }
+ return ["comment", "comment"];
+ }
+
+ CodeMirror.defineMIME("text/css", {
+ documentTypes: documentTypes,
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ mediaValueKeywords: mediaValueKeywords,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ fontProperties: fontProperties,
+ counterDescriptors: counterDescriptors,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (!stream.eat("*")) return false;
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ }
+ },
+ name: "css"
+ });
+
+ CodeMirror.defineMIME("text/x-scss", {
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ mediaValueKeywords: mediaValueKeywords,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ fontProperties: fontProperties,
+ allowNested: true,
+ lineComment: "//",
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (stream.eat("/")) {
+ stream.skipToEnd();
+ return ["comment", "comment"];
+ } else if (stream.eat("*")) {
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ } else {
+ return ["operator", "operator"];
+ }
+ },
+ ":": function(stream) {
+ if (stream.match(/\s*\{/, false))
+ return [null, null]
+ return false;
+ },
+ "$": function(stream) {
+ stream.match(/^[\w-]+/);
+ if (stream.match(/^\s*:/, false))
+ return ["variable-2", "variable-definition"];
+ return ["variable-2", "variable"];
+ },
+ "#": function(stream) {
+ if (!stream.eat("{")) return false;
+ return [null, "interpolation"];
+ }
+ },
+ name: "css",
+ helperType: "scss"
+ });
+
+ CodeMirror.defineMIME("text/x-less", {
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ mediaValueKeywords: mediaValueKeywords,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ fontProperties: fontProperties,
+ allowNested: true,
+ lineComment: "//",
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (stream.eat("/")) {
+ stream.skipToEnd();
+ return ["comment", "comment"];
+ } else if (stream.eat("*")) {
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ } else {
+ return ["operator", "operator"];
+ }
+ },
+ "@": function(stream) {
+ if (stream.eat("{")) return [null, "interpolation"];
+ if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/, false)) return false;
+ stream.eatWhile(/[\w\\\-]/);
+ if (stream.match(/^\s*:/, false))
+ return ["variable-2", "variable-definition"];
+ return ["variable-2", "variable"];
+ },
+ "&": function() {
+ return ["atom", "atom"];
+ }
+ },
+ name: "css",
+ helperType: "less"
+ });
+
+ CodeMirror.defineMIME("text/x-gss", {
+ documentTypes: documentTypes,
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ fontProperties: fontProperties,
+ counterDescriptors: counterDescriptors,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ supportsAtComponent: true,
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (!stream.eat("*")) return false;
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ }
+ },
+ name: "css",
+ helperType: "gss"
+ });
+
+});
+
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __webpack_require__) {
+
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(0));
+ else if (typeof define == "function" && define.amd) // AMD
+ define(["../../lib/codemirror"], mod);
+ else // Plain browser env
+ mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+var htmlConfig = {
+ autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
+ 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
+ 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
+ 'track': true, 'wbr': true, 'menuitem': true},
+ implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
+ 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
+ 'th': true, 'tr': true},
+ contextGrabbers: {
+ 'dd': {'dd': true, 'dt': true},
+ 'dt': {'dd': true, 'dt': true},
+ 'li': {'li': true},
+ 'option': {'option': true, 'optgroup': true},
+ 'optgroup': {'optgroup': true},
+ 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
+ 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
+ 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
+ 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
+ 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
+ 'rp': {'rp': true, 'rt': true},
+ 'rt': {'rp': true, 'rt': true},
+ 'tbody': {'tbody': true, 'tfoot': true},
+ 'td': {'td': true, 'th': true},
+ 'tfoot': {'tbody': true},
+ 'th': {'td': true, 'th': true},
+ 'thead': {'tbody': true, 'tfoot': true},
+ 'tr': {'tr': true}
+ },
+ doNotIndent: {"pre": true},
+ allowUnquoted: true,
+ allowMissing: true,
+ caseFold: true
+}
+
+var xmlConfig = {
+ autoSelfClosers: {},
+ implicitlyClosed: {},
+ contextGrabbers: {},
+ doNotIndent: {},
+ allowUnquoted: false,
+ allowMissing: false,
+ caseFold: false
+}
+
+CodeMirror.defineMode("xml", function(editorConf, config_) {
+ var indentUnit = editorConf.indentUnit
+ var config = {}
+ var defaults = config_.htmlMode ? htmlConfig : xmlConfig
+ for (var prop in defaults) config[prop] = defaults[prop]
+ for (var prop in config_) config[prop] = config_[prop]
+
+ // Return variables for tokenizers
+ var type, setStyle;
+
+ function inText(stream, state) {
+ function chain(parser) {
+ state.tokenize = parser;
+ return parser(stream, state);
+ }
+
+ var ch = stream.next();
+ if (ch == "<") {
+ if (stream.eat("!")) {
+ if (stream.eat("[")) {
+ if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
+ else return null;
+ } else if (stream.match("--")) {
+ return chain(inBlock("comment", "-->"));
+ } else if (stream.match("DOCTYPE", true, true)) {
+ stream.eatWhile(/[\w\._\-]/);
+ return chain(doctype(1));
+ } else {
+ return null;
+ }
+ } else if (stream.eat("?")) {
+ stream.eatWhile(/[\w\._\-]/);
+ state.tokenize = inBlock("meta", "?>");
+ return "meta";
+ } else {
+ type = stream.eat("/") ? "closeTag" : "openTag";
+ state.tokenize = inTag;
+ return "tag bracket";
+ }
+ } else if (ch == "&") {
+ var ok;
+ if (stream.eat("#")) {
+ if (stream.eat("x")) {
+ ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
+ } else {
+ ok = stream.eatWhile(/[\d]/) && stream.eat(";");
+ }
+ } else {
+ ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
+ }
+ return ok ? "atom" : "error";
+ } else {
+ stream.eatWhile(/[^&<]/);
+ return null;
+ }
+ }
+ inText.isInText = true;
+
+ function inTag(stream, state) {
+ var ch = stream.next();
+ if (ch == ">" || (ch == "/" && stream.eat(">"))) {
+ state.tokenize = inText;
+ type = ch == ">" ? "endTag" : "selfcloseTag";
+ return "tag bracket";
+ } else if (ch == "=") {
+ type = "equals";
+ return null;
+ } else if (ch == "<") {
+ state.tokenize = inText;
+ state.state = baseState;
+ state.tagName = state.tagStart = null;
+ var next = state.tokenize(stream, state);
+ return next ? next + " tag error" : "tag error";
+ } else if (/[\'\"]/.test(ch)) {
+ state.tokenize = inAttribute(ch);
+ state.stringStartCol = stream.column();
+ return state.tokenize(stream, state);
+ } else {
+ stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
+ return "word";
+ }
+ }
+
+ function inAttribute(quote) {
+ var closure = function(stream, state) {
+ while (!stream.eol()) {
+ if (stream.next() == quote) {
+ state.tokenize = inTag;
+ break;
+ }
+ }
+ return "string";
+ };
+ closure.isInAttribute = true;
+ return closure;
+ }
+
+ function inBlock(style, terminator) {
+ return function(stream, state) {
+ while (!stream.eol()) {
+ if (stream.match(terminator)) {
+ state.tokenize = inText;
+ break;
+ }
+ stream.next();
+ }
+ return style;
+ };
+ }
+ function doctype(depth) {
+ return function(stream, state) {
+ var ch;
+ while ((ch = stream.next()) != null) {
+ if (ch == "<") {
+ state.tokenize = doctype(depth + 1);
+ return state.tokenize(stream, state);
+ } else if (ch == ">") {
+ if (depth == 1) {
+ state.tokenize = inText;
+ break;
+ } else {
+ state.tokenize = doctype(depth - 1);
+ return state.tokenize(stream, state);
+ }
+ }
+ }
+ return "meta";
+ };
+ }
+
+ function Context(state, tagName, startOfLine) {
+ this.prev = state.context;
+ this.tagName = tagName;
+ this.indent = state.indented;
+ this.startOfLine = startOfLine;
+ if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
+ this.noIndent = true;
+ }
+ function popContext(state) {
+ if (state.context) state.context = state.context.prev;
+ }
+ function maybePopContext(state, nextTagName) {
+ var parentTagName;
+ while (true) {
+ if (!state.context) {
+ return;
+ }
+ parentTagName = state.context.tagName;
+ if (!config.contextGrabbers.hasOwnProperty(parentTagName) ||
+ !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
+ return;
+ }
+ popContext(state);
+ }
+ }
+
+ function baseState(type, stream, state) {
+ if (type == "openTag") {
+ state.tagStart = stream.column();
+ return tagNameState;
+ } else if (type == "closeTag") {
+ return closeTagNameState;
+ } else {
+ return baseState;
+ }
+ }
+ function tagNameState(type, stream, state) {
+ if (type == "word") {
+ state.tagName = stream.current();
+ setStyle = "tag";
+ return attrState;
+ } else {
+ setStyle = "error";
+ return tagNameState;
+ }
+ }
+ function closeTagNameState(type, stream, state) {
+ if (type == "word") {
+ var tagName = stream.current();
+ if (state.context && state.context.tagName != tagName &&
+ config.implicitlyClosed.hasOwnProperty(state.context.tagName))
+ popContext(state);
+ if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
+ setStyle = "tag";
+ return closeState;
+ } else {
+ setStyle = "tag error";
+ return closeStateErr;
+ }
+ } else {
+ setStyle = "error";
+ return closeStateErr;
+ }
+ }
+
+ function closeState(type, _stream, state) {
+ if (type != "endTag") {
+ setStyle = "error";
+ return closeState;
+ }
+ popContext(state);
+ return baseState;
+ }
+ function closeStateErr(type, stream, state) {
+ setStyle = "error";
+ return closeState(type, stream, state);
+ }
+
+ function attrState(type, _stream, state) {
+ if (type == "word") {
+ setStyle = "attribute";
+ return attrEqState;
+ } else if (type == "endTag" || type == "selfcloseTag") {
+ var tagName = state.tagName, tagStart = state.tagStart;
+ state.tagName = state.tagStart = null;
+ if (type == "selfcloseTag" ||
+ config.autoSelfClosers.hasOwnProperty(tagName)) {
+ maybePopContext(state, tagName);
+ } else {
+ maybePopContext(state, tagName);
+ state.context = new Context(state, tagName, tagStart == state.indented);
+ }
+ return baseState;
+ }
+ setStyle = "error";
+ return attrState;
+ }
+ function attrEqState(type, stream, state) {
+ if (type == "equals") return attrValueState;
+ if (!config.allowMissing) setStyle = "error";
+ return attrState(type, stream, state);
+ }
+ function attrValueState(type, stream, state) {
+ if (type == "string") return attrContinuedState;
+ if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;}
+ setStyle = "error";
+ return attrState(type, stream, state);
+ }
+ function attrContinuedState(type, stream, state) {
+ if (type == "string") return attrContinuedState;
+ return attrState(type, stream, state);
+ }
+
+ return {
+ startState: function(baseIndent) {
+ var state = {tokenize: inText,
+ state: baseState,
+ indented: baseIndent || 0,
+ tagName: null, tagStart: null,
+ context: null}
+ if (baseIndent != null) state.baseIndent = baseIndent
+ return state
+ },
+
+ token: function(stream, state) {
+ if (!state.tagName && stream.sol())
+ state.indented = stream.indentation();
+
+ if (stream.eatSpace()) return null;
+ type = null;
+ var style = state.tokenize(stream, state);
+ if ((style || type) && style != "comment") {
+ setStyle = null;
+ state.state = state.state(type || style, stream, state);
+ if (setStyle)
+ style = setStyle == "error" ? style + " error" : setStyle;
+ }
+ return style;
+ },
+
+ indent: function(state, textAfter, fullLine) {
+ var context = state.context;
+ // Indent multi-line strings (e.g. css).
+ if (state.tokenize.isInAttribute) {
+ if (state.tagStart == state.indented)
+ return state.stringStartCol + 1;
+ else
+ return state.indented + indentUnit;
+ }
+ if (context && context.noIndent) return CodeMirror.Pass;
+ if (state.tokenize != inTag && state.tokenize != inText)
+ return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
+ // Indent the starts of attribute names.
+ if (state.tagName) {
+ if (config.multilineTagIndentPastTag !== false)
+ return state.tagStart + state.tagName.length + 2;
+ else
+ return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);
+ }
+ if (config.alignCDATA && /$/,
+ blockCommentStart: "",
+
+ configuration: config.htmlMode ? "html" : "xml",
+ helperType: config.htmlMode ? "html" : "xml",
+
+ skipAttribute: function(state) {
+ if (state.state == attrValueState)
+ state.state = attrState
+ }
+ };
+});
+
+CodeMirror.defineMIME("text/xml", "xml");
+CodeMirror.defineMIME("application/xml", "xml");
+if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
+ CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
+
+});
+
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = PropertyValuePart;
+
+var SyntaxUnit = __webpack_require__(1);
+
+var Colors = __webpack_require__(20);
+var Parser = __webpack_require__(2);
+var Tokens = __webpack_require__(6);
+
+/**
+ * Represents a single part of a CSS property value, meaning that it represents
+ * just one part of the data between ":" and ";".
+ * @param {String} text The text representation of the unit.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ * @namespace parserlib.css
+ * @class PropertyValuePart
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ */
+function PropertyValuePart(text, line, col, optionalHint) {
+ var hint = optionalHint || {};
+
+ SyntaxUnit.call(this, text, line, col, Parser.PROPERTY_VALUE_PART_TYPE);
+
+ /**
+ * Indicates the type of value unit.
+ * @type String
+ * @property type
+ */
+ this.type = "unknown";
+
+ //figure out what type of data it is
+
+ var temp;
+
+ //it is a measurement?
+ if (/^([+\-]?[\d\.]+)([a-z]+)$/i.test(text)) { //dimension
+ this.type = "dimension";
+ this.value = +RegExp.$1;
+ this.units = RegExp.$2;
+
+ //try to narrow down
+ switch (this.units.toLowerCase()) {
+
+ case "em":
+ case "rem":
+ case "ex":
+ case "px":
+ case "cm":
+ case "mm":
+ case "in":
+ case "pt":
+ case "pc":
+ case "ch":
+ case "vh":
+ case "vw":
+ case "vmax":
+ case "vmin":
+ this.type = "length";
+ break;
+
+ case "fr":
+ this.type = "grid";
+ break;
+
+ case "deg":
+ case "rad":
+ case "grad":
+ case "turn":
+ this.type = "angle";
+ break;
+
+ case "ms":
+ case "s":
+ this.type = "time";
+ break;
+
+ case "hz":
+ case "khz":
+ this.type = "frequency";
+ break;
+
+ case "dpi":
+ case "dpcm":
+ this.type = "resolution";
+ break;
+
+ //default
+
+ }
+
+ } else if (/^([+\-]?[\d\.]+)%$/i.test(text)) { //percentage
+ this.type = "percentage";
+ this.value = +RegExp.$1;
+ } else if (/^([+\-]?\d+)$/i.test(text)) { //integer
+ this.type = "integer";
+ this.value = +RegExp.$1;
+ } else if (/^([+\-]?[\d\.]+)$/i.test(text)) { //number
+ this.type = "number";
+ this.value = +RegExp.$1;
+
+ } else if (/^#([a-f0-9]{3,6})/i.test(text)) { //hexcolor
+ this.type = "color";
+ temp = RegExp.$1;
+ if (temp.length === 3) {
+ this.red = parseInt(temp.charAt(0)+temp.charAt(0), 16);
+ this.green = parseInt(temp.charAt(1)+temp.charAt(1), 16);
+ this.blue = parseInt(temp.charAt(2)+temp.charAt(2), 16);
+ } else {
+ this.red = parseInt(temp.substring(0, 2), 16);
+ this.green = parseInt(temp.substring(2, 4), 16);
+ this.blue = parseInt(temp.substring(4, 6), 16);
+ }
+ } else if (/^rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/i.test(text)) { //rgb() color with absolute numbers
+ this.type = "color";
+ this.red = +RegExp.$1;
+ this.green = +RegExp.$2;
+ this.blue = +RegExp.$3;
+ } else if (/^rgb\(\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)/i.test(text)) { //rgb() color with percentages
+ this.type = "color";
+ this.red = +RegExp.$1 * 255 / 100;
+ this.green = +RegExp.$2 * 255 / 100;
+ this.blue = +RegExp.$3 * 255 / 100;
+ } else if (/^rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*([\d\.]+)\s*\)/i.test(text)) { //rgba() color with absolute numbers
+ this.type = "color";
+ this.red = +RegExp.$1;
+ this.green = +RegExp.$2;
+ this.blue = +RegExp.$3;
+ this.alpha = +RegExp.$4;
+ } else if (/^rgba\(\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*,\s*([\d\.]+)\s*\)/i.test(text)) { //rgba() color with percentages
+ this.type = "color";
+ this.red = +RegExp.$1 * 255 / 100;
+ this.green = +RegExp.$2 * 255 / 100;
+ this.blue = +RegExp.$3 * 255 / 100;
+ this.alpha = +RegExp.$4;
+ } else if (/^hsl\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)/i.test(text)) { //hsl()
+ this.type = "color";
+ this.hue = +RegExp.$1;
+ this.saturation = +RegExp.$2 / 100;
+ this.lightness = +RegExp.$3 / 100;
+ } else if (/^hsla\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%\s*,\s*([\d\.]+)\s*\)/i.test(text)) { //hsla() color with percentages
+ this.type = "color";
+ this.hue = +RegExp.$1;
+ this.saturation = +RegExp.$2 / 100;
+ this.lightness = +RegExp.$3 / 100;
+ this.alpha = +RegExp.$4;
+ } else if (/^url\(("([^\\"]|\\.)*")\)/i.test(text)) { //URI
+ // generated by TokenStream.readURI, so always double-quoted.
+ this.type = "uri";
+ this.uri = PropertyValuePart.parseString(RegExp.$1);
+ } else if (/^([^\(]+)\(/i.test(text)) {
+ this.type = "function";
+ this.name = RegExp.$1;
+ this.value = text;
+ } else if (/^"([^\n\r\f\\"]|\\\r\n|\\[^\r0-9a-f]|\\[0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?)*"/i.test(text)) { //double-quoted string
+ this.type = "string";
+ this.value = PropertyValuePart.parseString(text);
+ } else if (/^'([^\n\r\f\\']|\\\r\n|\\[^\r0-9a-f]|\\[0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?)*'/i.test(text)) { //single-quoted string
+ this.type = "string";
+ this.value = PropertyValuePart.parseString(text);
+ } else if (Colors[text.toLowerCase()]) { //named color
+ this.type = "color";
+ temp = Colors[text.toLowerCase()].substring(1);
+ this.red = parseInt(temp.substring(0, 2), 16);
+ this.green = parseInt(temp.substring(2, 4), 16);
+ this.blue = parseInt(temp.substring(4, 6), 16);
+ } else if (/^[,\/]$/.test(text)) {
+ this.type = "operator";
+ this.value = text;
+ } else if (/^-?[a-z_\u00A0-\uFFFF][a-z0-9\-_\u00A0-\uFFFF]*$/i.test(text)) {
+ this.type = "identifier";
+ this.value = text;
+ }
+
+ // There can be ambiguity with escape sequences in identifiers, as
+ // well as with "color" parts which are also "identifiers", so record
+ // an explicit hint when the token generating this PropertyValuePart
+ // was an identifier.
+ this.wasIdent = Boolean(hint.ident);
+
+}
+
+PropertyValuePart.prototype = new SyntaxUnit();
+PropertyValuePart.prototype.constructor = PropertyValuePart;
+
+/**
+ * Helper method to parse a CSS string.
+ */
+PropertyValuePart.parseString = function(str) {
+ str = str.slice(1, -1); // Strip surrounding single/double quotes
+ var replacer = function(match, esc) {
+ if (/^(\n|\r\n|\r|\f)$/.test(esc)) {
+ return "";
+ }
+ var m = /^[0-9a-f]{1,6}/i.exec(esc);
+ if (m) {
+ var codePoint = parseInt(m[0], 16);
+ if (String.fromCodePoint) {
+ return String.fromCodePoint(codePoint);
+ } else {
+ // XXX No support for surrogates on old JavaScript engines.
+ return String.fromCharCode(codePoint);
+ }
+ }
+ return esc;
+ };
+ return str.replace(/\\(\r\n|[^\r0-9a-f]|[0-9a-f]{1,6}(\r\n|[ \n\r\t\f])?)/ig,
+ replacer);
+};
+
+/**
+ * Helper method to serialize a CSS string.
+ */
+PropertyValuePart.serializeString = function(value) {
+ var replacer = function(match, c) {
+ if (c === "\"") {
+ return "\\" + c;
+ }
+ var cp = String.codePointAt ? String.codePointAt(0) :
+ // We only escape non-surrogate chars, so using charCodeAt
+ // is harmless here.
+ String.charCodeAt(0);
+ return "\\" + cp.toString(16) + " ";
+ };
+ return "\"" + value.replace(/["\r\n\f]/g, replacer) + "\"";
+};
+
+/**
+ * Create a new syntax unit based solely on the given token.
+ * Convenience method for creating a new syntax unit when
+ * it represents a single token instead of multiple.
+ * @param {Object} token The token object to represent.
+ * @return {parserlib.css.PropertyValuePart} The object representing the token.
+ * @static
+ * @method fromToken
+ */
+PropertyValuePart.fromToken = function(token) {
+ var part = new PropertyValuePart(token.value, token.startLine, token.startCol, {
+ // Tokens can have escaped characters that would fool the type
+ // identification in the PropertyValuePart constructor, so pass
+ // in a hint if this was an identifier.
+ ident: token.type === Tokens.IDENT
+ });
+ return part;
+};
+
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = SelectorPart;
+
+var SyntaxUnit = __webpack_require__(1);
+
+var Parser = __webpack_require__(2);
+
+/**
+ * Represents a single part of a selector string, meaning a single set of
+ * element name and modifiers. This does not include combinators such as
+ * spaces, +, >, etc.
+ * @namespace parserlib.css
+ * @class SelectorPart
+ * @extends parserlib.util.SyntaxUnit
+ * @constructor
+ * @param {String} elementName The element name in the selector or null
+ * if there is no element name.
+ * @param {Array} modifiers Array of individual modifiers for the element.
+ * May be empty if there are none.
+ * @param {String} text The text representation of the unit.
+ * @param {int} line The line of text on which the unit resides.
+ * @param {int} col The column of text on which the unit resides.
+ */
+function SelectorPart(elementName, modifiers, text, line, col) {
+
+ SyntaxUnit.call(this, text, line, col, Parser.SELECTOR_PART_TYPE);
+
+ /**
+ * The tag name of the element to which this part
+ * of the selector affects.
+ * @type String
+ * @property elementName
+ */
+ this.elementName = elementName;
+
+ /**
+ * The parts that come after the element name, such as class names, IDs,
+ * pseudo classes/elements, etc.
+ * @type Array
+ * @property modifiers
+ */
+ this.modifiers = modifiers;
+
+}
+
+SelectorPart.prototype = new SyntaxUnit();
+SelectorPart.prototype.constructor = SelectorPart;
+
+
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = StringReader;
+
+/**
+ * Convenient way to read through strings.
+ * @namespace parserlib.util
+ * @class StringReader
+ * @constructor
+ * @param {String} text The text to read.
+ */
+function StringReader(text) {
+
+ /**
+ * The input text with line endings normalized.
+ * @property _input
+ * @type String
+ * @private
+ */
+ this._input = text.replace(/(\r\n?|\n)/g, "\n");
+
+
+ /**
+ * The row for the character to be read next.
+ * @property _line
+ * @type int
+ * @private
+ */
+ this._line = 1;
+
+
+ /**
+ * The column for the character to be read next.
+ * @property _col
+ * @type int
+ * @private
+ */
+ this._col = 1;
+
+ /**
+ * The index of the character in the input to be read next.
+ * @property _cursor
+ * @type int
+ * @private
+ */
+ this._cursor = 0;
+}
+
+StringReader.prototype = {
+
+ // restore constructor
+ constructor: StringReader,
+
+ //-------------------------------------------------------------------------
+ // Position info
+ //-------------------------------------------------------------------------
+
+ /**
+ * Returns the column of the character to be read next.
+ * @return {int} The column of the character to be read next.
+ * @method getCol
+ */
+ getCol: function() {
+ return this._col;
+ },
+
+ /**
+ * Returns the row of the character to be read next.
+ * @return {int} The row of the character to be read next.
+ * @method getLine
+ */
+ getLine: function() {
+ return this._line;
+ },
+
+ /**
+ * Determines if you're at the end of the input.
+ * @return {Boolean} True if there's no more input, false otherwise.
+ * @method eof
+ */
+ eof: function() {
+ return this._cursor === this._input.length;
+ },
+
+ //-------------------------------------------------------------------------
+ // Basic reading
+ //-------------------------------------------------------------------------
+
+ /**
+ * Reads the next character without advancing the cursor.
+ * @param {int} count How many characters to look ahead (default is 1).
+ * @return {String} The next character or null if there is no next character.
+ * @method peek
+ */
+ peek: function(count) {
+ var c = null;
+ count = typeof count === "undefined" ? 1 : count;
+
+ // if we're not at the end of the input...
+ if (this._cursor < this._input.length) {
+
+ // get character and increment cursor and column
+ c = this._input.charAt(this._cursor + count - 1);
+ }
+
+ return c;
+ },
+
+ /**
+ * Reads the next character from the input and adjusts the row and column
+ * accordingly.
+ * @return {String} The next character or null if there is no next character.
+ * @method read
+ */
+ read: function() {
+ var c = null;
+
+ // if we're not at the end of the input...
+ if (this._cursor < this._input.length) {
+
+ // if the last character was a newline, increment row count
+ // and reset column count
+ if (this._input.charAt(this._cursor) === "\n") {
+ this._line++;
+ this._col=1;
+ } else {
+ this._col++;
+ }
+
+ // get character and increment cursor and column
+ c = this._input.charAt(this._cursor++);
+ }
+
+ return c;
+ },
+
+ //-------------------------------------------------------------------------
+ // Misc
+ //-------------------------------------------------------------------------
+
+ /**
+ * Saves the current location so it can be returned to later.
+ * @method mark
+ * @return {void}
+ */
+ mark: function() {
+ this._bookmark = {
+ cursor: this._cursor,
+ line: this._line,
+ col: this._col
+ };
+ },
+
+ reset: function() {
+ if (this._bookmark) {
+ this._cursor = this._bookmark.cursor;
+ this._line = this._bookmark.line;
+ this._col = this._bookmark.col;
+ delete this._bookmark;
+ }
+ },
+
+ //-------------------------------------------------------------------------
+ // Advanced reading
+ //-------------------------------------------------------------------------
+
+ /**
+ * Reads up to and including the given string. Throws an error if that
+ * string is not found.
+ * @param {String} pattern The string to read.
+ * @return {String} The string when it is found.
+ * @throws Error when the string pattern is not found.
+ * @method readTo
+ */
+ readTo: function(pattern) {
+
+ var buffer = "",
+ c;
+
+ /*
+ * First, buffer must be the same length as the pattern.
+ * Then, buffer must end with the pattern or else reach the
+ * end of the input.
+ */
+ while (buffer.length < pattern.length || buffer.lastIndexOf(pattern) !== buffer.length - pattern.length) {
+ c = this.read();
+ if (c) {
+ buffer += c;
+ } else {
+ throw new Error("Expected \"" + pattern + "\" at line " + this._line + ", col " + this._col + ".");
+ }
+ }
+
+ return buffer;
+
+ },
+
+ /**
+ * Reads characters while each character causes the given
+ * filter function to return true. The function is passed
+ * in each character and either returns true to continue
+ * reading or false to stop.
+ * @param {Function} filter The function to read on each character.
+ * @return {String} The string made up of all characters that passed the
+ * filter check.
+ * @method readWhile
+ */
+ readWhile: function(filter) {
+
+ var buffer = "",
+ c = this.peek();
+
+ while (c !== null && filter(c)) {
+ buffer += this.read();
+ c = this.peek();
+ }
+
+ return buffer;
+
+ },
+
+ /**
+ * Reads characters that match either text or a regular expression and
+ * returns those characters. If a match is found, the row and column
+ * are adjusted; if no match is found, the reader's state is unchanged.
+ * reading or false to stop.
+ * @param {String|RegExp} matcher If a string, then the literal string
+ * value is searched for. If a regular expression, then any string
+ * matching the pattern is search for.
+ * @return {String} The string made up of all characters that matched or
+ * null if there was no match.
+ * @method readMatch
+ */
+ readMatch: function(matcher) {
+
+ var source = this._input.substring(this._cursor),
+ value = null;
+
+ // if it's a string, just do a straight match
+ if (typeof matcher === "string") {
+ if (source.slice(0, matcher.length) === matcher) {
+ value = this.readCount(matcher.length);
+ }
+ } else if (matcher instanceof RegExp) {
+ if (matcher.test(source)) {
+ value = this.readCount(RegExp.lastMatch.length);
+ }
+ }
+
+ return value;
+ },
+
+
+ /**
+ * Reads a given number of characters. If the end of the input is reached,
+ * it reads only the remaining characters and does not throw an error.
+ * @param {int} count The number of characters to read.
+ * @return {String} The string made up the read characters.
+ * @method readCount
+ */
+ readCount: function(count) {
+ var buffer = "";
+
+ while (count--) {
+ buffer += this.read();
+ }
+
+ return buffer;
+ }
+
+};
+
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+module.exports = Matcher;
+
+var StringReader = __webpack_require__(13);
+var SyntaxError = __webpack_require__(5);
+
+/**
+ * This class implements a combinator library for matcher functions.
+ * The combinators are described at:
+ * https://developer.mozilla.org/en-US/docs/Web/CSS/Value_definition_syntax#Component_value_combinators
+ */
+function Matcher(matchFunc, toString) {
+ this.match = function(expression) {
+ // Save/restore marks to ensure that failed matches always restore
+ // the original location in the expression.
+ var result;
+ expression.mark();
+ result = matchFunc(expression);
+ if (result) {
+ expression.drop();
+ } else {
+ expression.restore();
+ }
+ return result;
+ };
+ this.toString = typeof toString === "function" ? toString : function() {
+ return toString;
+ };
+}
+
+/** Precedence table of combinators. */
+Matcher.prec = {
+ MOD: 5,
+ SEQ: 4,
+ ANDAND: 3,
+ OROR: 2,
+ ALT: 1
+};
+
+/** Simple recursive-descent grammar to build matchers from strings. */
+Matcher.parse = function(str) {
+ var reader, eat, expr, oror, andand, seq, mod, term, result;
+ reader = new StringReader(str);
+ eat = function(matcher) {
+ var result = reader.readMatch(matcher);
+ if (result === null) {
+ throw new SyntaxError(
+ "Expected "+matcher, reader.getLine(), reader.getCol());
+ }
+ return result;
+ };
+ expr = function() {
+ // expr = oror (" | " oror)*
+ var m = [ oror() ];
+ while (reader.readMatch(" | ") !== null) {
+ m.push(oror());
+ }
+ return m.length === 1 ? m[0] : Matcher.alt.apply(Matcher, m);
+ };
+ oror = function() {
+ // oror = andand ( " || " andand)*
+ var m = [ andand() ];
+ while (reader.readMatch(" || ") !== null) {
+ m.push(andand());
+ }
+ return m.length === 1 ? m[0] : Matcher.oror.apply(Matcher, m);
+ };
+ andand = function() {
+ // andand = seq ( " && " seq)*
+ var m = [ seq() ];
+ while (reader.readMatch(" && ") !== null) {
+ m.push(seq());
+ }
+ return m.length === 1 ? m[0] : Matcher.andand.apply(Matcher, m);
+ };
+ seq = function() {
+ // seq = mod ( " " mod)*
+ var m = [ mod() ];
+ while (reader.readMatch(/^ (?![&|\]])/) !== null) {
+ m.push(mod());
+ }
+ return m.length === 1 ? m[0] : Matcher.seq.apply(Matcher, m);
+ };
+ mod = function() {
+ // mod = term ( "?" | "*" | "+" | "#" | "{
,}" )?
+ var m = term();
+ if (reader.readMatch("?") !== null) {
+ return m.question();
+ } else if (reader.readMatch("*") !== null) {
+ return m.star();
+ } else if (reader.readMatch("+") !== null) {
+ return m.plus();
+ } else if (reader.readMatch("#") !== null) {
+ return m.hash();
+ } else if (reader.readMatch(/^\{\s*/) !== null) {
+ var min = eat(/^\d+/);
+ eat(/^\s*,\s*/);
+ var max = eat(/^\d+/);
+ eat(/^\s*\}/);
+ return m.braces(+min, +max);
+ }
+ return m;
+ };
+ term = function() {
+ // term = | literal | "[ " expression " ]"
+ if (reader.readMatch("[ ") !== null) {
+ var m = expr();
+ eat(" ]");
+ return m;
+ }
+ return Matcher.fromType(eat(/^[^ ?*+#{]+/));
+ };
+ result = expr();
+ if (!reader.eof()) {
+ throw new SyntaxError(
+ "Expected end of string", reader.getLine(), reader.getCol());
+ }
+ return result;
+};
+
+/**
+ * Convert a string to a matcher (parsing simple alternations),
+ * or do nothing if the argument is already a matcher.
+ */
+Matcher.cast = function(m) {
+ if (m instanceof Matcher) {
+ return m;
+ }
+ return Matcher.parse(m);
+};
+
+/**
+ * Create a matcher for a single type.
+ */
+Matcher.fromType = function(type) {
+ // Late require of ValidationTypes to break a dependency cycle.
+ var ValidationTypes = __webpack_require__(15);
+ return new Matcher(function(expression) {
+ return expression.hasNext() && ValidationTypes.isType(expression, type);
+ }, type);
+};
+
+/**
+ * Create a matcher for one or more juxtaposed words, which all must
+ * occur, in the given order.
+ */
+Matcher.seq = function() {
+ var ms = Array.prototype.slice.call(arguments).map(Matcher.cast);
+ if (ms.length === 1) {
+ return ms[0];
+ }
+ return new Matcher(function(expression) {
+ var i, result = true;
+ for (i = 0; result && i < ms.length; i++) {
+ result = ms[i].match(expression);
+ }
+ return result;
+ }, function(prec) {
+ var p = Matcher.prec.SEQ;
+ var s = ms.map(function(m) {
+ return m.toString(p);
+ }).join(" ");
+ if (prec > p) {
+ s = "[ " + s + " ]";
+ }
+ return s;
+ });
+};
+
+/**
+ * Create a matcher for one or more alternatives, where exactly one
+ * must occur.
+ */
+Matcher.alt = function() {
+ var ms = Array.prototype.slice.call(arguments).map(Matcher.cast);
+ if (ms.length === 1) {
+ return ms[0];
+ }
+ return new Matcher(function(expression) {
+ var i, result = false;
+ for (i = 0; !result && i < ms.length; i++) {
+ result = ms[i].match(expression);
+ }
+ return result;
+ }, function(prec) {
+ var p = Matcher.prec.ALT;
+ var s = ms.map(function(m) {
+ return m.toString(p);
+ }).join(" | ");
+ if (prec > p) {
+ s = "[ " + s + " ]";
+ }
+ return s;
+ });
+};
+
+/**
+ * Create a matcher for two or more options. This implements the
+ * double bar (||) and double ampersand (&&) operators, as well as
+ * variants of && where some of the alternatives are optional.
+ * This will backtrack through even successful matches to try to
+ * maximize the number of items matched.
+ */
+Matcher.many = function(required) {
+ var ms = Array.prototype.slice.call(arguments, 1).reduce(function(acc, v) {
+ if (v.expand) {
+ // Insert all of the options for the given complex rule as
+ // individual options.
+ var ValidationTypes = __webpack_require__(15);
+ acc.push.apply(acc, ValidationTypes.complex[v.expand].options);
+ } else {
+ acc.push(Matcher.cast(v));
+ }
+ return acc;
+ }, []);
+
+ if (required === true) {
+ required = ms.map(function() {
+ return true;
+ });
+ }
+
+ var result = new Matcher(function(expression) {
+ var seen = [], max = 0, pass = 0;
+ var success = function(matchCount) {
+ if (pass === 0) {
+ max = Math.max(matchCount, max);
+ return matchCount === ms.length;
+ } else {
+ return matchCount === max;
+ }
+ };
+ var tryMatch = function(matchCount) {
+ for (var i = 0; i < ms.length; i++) {
+ if (seen[i]) {
+ continue;
+ }
+ expression.mark();
+ if (ms[i].match(expression)) {
+ seen[i] = true;
+ // Increase matchCount iff this was a required element
+ // (or if all the elements are optional)
+ if (tryMatch(matchCount + ((required === false || required[i]) ? 1 : 0))) {
+ expression.drop();
+ return true;
+ }
+ // Backtrack: try *not* matching using this rule, and
+ // let's see if it leads to a better overall match.
+ expression.restore();
+ seen[i] = false;
+ } else {
+ expression.drop();
+ }
+ }
+ return success(matchCount);
+ };
+ if (!tryMatch(0)) {
+ // Couldn't get a complete match, retrace our steps to make the
+ // match with the maximum # of required elements.
+ pass++;
+ tryMatch(0);
+ }
+
+ if (required === false) {
+ return max > 0;
+ }
+ // Use finer-grained specification of which matchers are required.
+ for (var i = 0; i < ms.length; i++) {
+ if (required[i] && !seen[i]) {
+ return false;
+ }
+ }
+ return true;
+ }, function(prec) {
+ var p = required === false ? Matcher.prec.OROR : Matcher.prec.ANDAND;
+ var s = ms.map(function(m, i) {
+ if (required !== false && !required[i]) {
+ return m.toString(Matcher.prec.MOD) + "?";
+ }
+ return m.toString(p);
+ }).join(required === false ? " || " : " && ");
+ if (prec > p) {
+ s = "[ " + s + " ]";
+ }
+ return s;
+ });
+ result.options = ms;
+ return result;
+};
+
+/**
+ * Create a matcher for two or more options, where all options are
+ * mandatory but they may appear in any order.
+ */
+Matcher.andand = function() {
+ var args = Array.prototype.slice.call(arguments);
+ args.unshift(true);
+ return Matcher.many.apply(Matcher, args);
+};
+
+/**
+ * Create a matcher for two or more options, where options are
+ * optional and may appear in any order, but at least one must be
+ * present.
+ */
+Matcher.oror = function() {
+ var args = Array.prototype.slice.call(arguments);
+ args.unshift(false);
+ return Matcher.many.apply(Matcher, args);
+};
+
+/** Instance methods on Matchers. */
+Matcher.prototype = {
+ constructor: Matcher,
+ // These are expected to be overridden in every instance.
+ match: function() { throw new Error("unimplemented"); },
+ toString: function() { throw new Error("unimplemented"); },
+ // This returns a standalone function to do the matching.
+ func: function() { return this.match.bind(this); },
+ // Basic combinators
+ then: function(m) { return Matcher.seq(this, m); },
+ or: function(m) { return Matcher.alt(this, m); },
+ andand: function(m) { return Matcher.many(true, this, m); },
+ oror: function(m) { return Matcher.many(false, this, m); },
+ // Component value multipliers
+ star: function() { return this.braces(0, Infinity, "*"); },
+ plus: function() { return this.braces(1, Infinity, "+"); },
+ question: function() { return this.braces(0, 1, "?"); },
+ hash: function() {
+ return this.braces(1, Infinity, "#", Matcher.cast(","));
+ },
+ braces: function(min, max, marker, optSep) {
+ var m1 = this, m2 = optSep ? optSep.then(this) : this;
+ if (!marker) {
+ marker = "{" + min + "," + max + "}";
+ }
+ return new Matcher(function(expression) {
+ var result = true, i;
+ for (i = 0; i < max; i++) {
+ if (i > 0 && optSep) {
+ result = m2.match(expression);
+ } else {
+ result = m1.match(expression);
+ }
+ if (!result) {
+ break;
+ }
+ }
+ return i >= min;
+ }, function() {
+ return m1.toString(Matcher.prec.MOD) + marker;
+ });
+ }
+};
+
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var ValidationTypes = module.exports;
+
+var Matcher = __webpack_require__(14);
+
+function copy(to, from) {
+ Object.keys(from).forEach(function(prop) {
+ to[prop] = from[prop];
+ });
+}
+copy(ValidationTypes, {
+
+ isLiteral: function (part, literals) {
+ var text = part.text.toString().toLowerCase(),
+ args = literals.split(" | "),
+ i, len, found = false;
+
+ for (i=0, len=args.length; i < len && !found; i++) {
+ if (args[i].charAt(0) === "<") {
+ found = this.simple[args[i]](part);
+ } else if (args[i].slice(-2) === "()") {
+ found = (part.type === "function" &&
+ part.name === args[i].slice(0, -2));
+ } else if (text === args[i].toLowerCase()) {
+ found = true;
+ }
+ }
+
+ return found;
+ },
+
+ isSimple: function(type) {
+ return Boolean(this.simple[type]);
+ },
+
+ isComplex: function(type) {
+ return Boolean(this.complex[type]);
+ },
+
+ describe: function(type) {
+ if (this.complex[type] instanceof Matcher) {
+ return this.complex[type].toString(0);
+ }
+ return type;
+ },
+
+ /**
+ * Determines if the next part(s) of the given expression
+ * are any of the given types.
+ */
+ isAny: function (expression, types) {
+ var args = types.split(" | "),
+ i, len, found = false;
+
+ for (i=0, len=args.length; i < len && !found && expression.hasNext(); i++) {
+ found = this.isType(expression, args[i]);
+ }
+
+ return found;
+ },
+
+ /**
+ * Determines if the next part(s) of the given expression
+ * are one of a group.
+ */
+ isAnyOfGroup: function(expression, types) {
+ var args = types.split(" || "),
+ i, len, found = false;
+
+ for (i=0, len=args.length; i < len && !found; i++) {
+ found = this.isType(expression, args[i]);
+ }
+
+ return found ? args[i-1] : false;
+ },
+
+ /**
+ * Determines if the next part(s) of the given expression
+ * are of a given type.
+ */
+ isType: function (expression, type) {
+ var part = expression.peek(),
+ result = false;
+
+ if (type.charAt(0) !== "<") {
+ result = this.isLiteral(part, type);
+ if (result) {
+ expression.next();
+ }
+ } else if (this.simple[type]) {
+ result = this.simple[type](part);
+ if (result) {
+ expression.next();
+ }
+ } else if (this.complex[type] instanceof Matcher) {
+ result = this.complex[type].match(expression);
+ } else {
+ result = this.complex[type](expression);
+ }
+
+ return result;
+ },
+
+
+ simple: {
+ __proto__: null,
+
+ "":
+ "xx-small | x-small | small | medium | large | x-large | xx-large",
+
+ "":
+ "scroll-position | contents | ",
+
+ "": function(part) {
+ return this[""](part) &&
+ !/^(unset|initial|inherit|will-change|auto|scroll-position|contents)$/i.test(part);
+ },
+
+ "": function(part) {
+ return part.type === "angle";
+ },
+
+ "": "scroll | fixed | local",
+
+ "": "attr()",
+
+ // inset() = inset( {1,4} [round ]? )
+ // circle() = circle( []? [at ]? )
+ // ellipse() = ellipse( [{2}]? [at ]? )
+ // polygon() = polygon( [,]? [ ]# )
+ "": "inset() | circle() | ellipse() | polygon()",
+
+ "": " | | none",
+
+ "":
+ "none | hidden | dotted | dashed | solid | double | groove | " +
+ "ridge | inset | outset",
+
+ "": " | thin | medium | thick",
+
+ "": "padding-box | border-box | content-box",
+
+ "": "",
+
+ "": function(part) {
+ return part.type === "color" || String(part) === "transparent" || String(part) === "currentColor";
+ },
+
+ // The SVG spec doesn't include "currentColor" or "transparent" as a color.
+ "": function(part) {
+ return part.type === "color";
+ },
+
+ "": "content()",
+
+ // https://www.w3.org/TR/css3-sizing/#width-height-keywords
+ "":
+ "fill-available | -moz-available | -webkit-fill-available | " +
+ "max-content | -moz-max-content | -webkit-max-content | " +
+ "min-content | -moz-min-content | -webkit-min-content | " +
+ "fit-content | -moz-fit-content | -webkit-fit-content",
+
+ "": function(part) {
+ return part.type === "function" && /^[A-Z0-9]{4}$/i.test(part);
+ },
+
+ // custom() isn't actually in the spec
+ "":
+ "blur() | brightness() | contrast() | custom() | " +
+ "drop-shadow() | grayscale() | hue-rotate() | invert() | " +
+ "opacity() | saturate() | sepia()",
+
+ "": "",
+
+ "": "row | row-reverse | column | column-reverse",
+
+ "": "",
+
+ "": "",
+
+ "": "nowrap | wrap | wrap-reverse",
+
+ "":
+ " | | | ",
+
+ "":
+ "normal | ultra-condensed | extra-condensed | condensed | " +
+ "semi-condensed | semi-expanded | expanded | extra-expanded | " +
+ "ultra-expanded",
+
+ "": "normal | italic | oblique",
+
+ "":
+ "small-caps | all-small-caps | petite-caps | all-petite-caps | " +
+ "unicase | titling-caps",
+
+ "": "normal | small-caps",
+
+ "":
+ "normal | bold | bolder | lighter | " +
+ "100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900",
+
+ "":
+ "serif | sans-serif | cursive | fantasy | monospace",
+
+ "": " | fill-box | stroke-box | view-box",
+
+ "": function(part) {
+ return part.type === "angle" && part.units === "deg";
+ },
+
+ "": function(part) {
+ return part.type === "function" && /^(?:\-(?:ms|moz|o|webkit)\-)?(?:repeating\-)?(?:radial\-|linear\-)?gradient/i.test(part);
+ },
+
+ "":
+ "cielab() | cielch() | cielchab() | " +
+ "icc-color() | icc-named-color()",
+
+ //any identifier
+ "": function(part) {
+ return part.type === "identifier" || part.wasIdent;
+ },
+
+ "": function(part) {
+ return this[""](part) && !this[""](part);
+ },
+
+ "": "",
+
+ "": function(part) {
+ return part.type === "integer";
+ },
+
+ "": function(part) {
+ if (part.type === "function" && /^(?:\-(?:ms|moz|o|webkit)\-)?calc/i.test(part)) {
+ return true;
+ } else {
+ return part.type === "length" || part.type === "number" || part.type === "integer" || String(part) === "0";
+ }
+ },
+
+ "": function(part) {
+ return part.type === "integer";
+ },
+
+ "": " | | | normal",
+
+ "": " | | auto",
+
+ "": function(part) {
+ return this[""](part) && part.value >= 1;
+ },
+
+ "": function(part) {
+ return (this[""](part) || this[""](part)) &&
+ (String(part) === "0" || part.type === "function" || (part.value) >= 0);
+ },
+
+ "": function(part) {
+ return (this[""](part) || this[""](part)) &&
+ (String(part) === "0" || part.type === "function" || (part.value) >= 0);
+ },
+
+ "": function(part) {
+ return part.type === "number" || this[""](part);
+ },
+
+ "": function(part) {
+ return this[""](part) && part.value >= 0 && part.value <= 1;
+ },
+
+ "": "",
+
+ "": function(part) {
+ return part.type === "percentage" || String(part) === "0";
+ },
+
+ "": "smaller | larger",
+
+ "": "rect() | inset-rect()",
+
+ "": " | margin-box",
+
+ "":
+ "normal | reverse | alternate | alternate-reverse",
+
+ "": function(part) {
+ return this[""](part) &&
+ /^-?[a-z_][-a-z0-9_]+$/i.test(part) &&
+ !/^(none|unset|initial|inherit)$/i.test(part);
+ },
+
+ "": function(part) {
+ return part.type === "string";
+ },
+
+ "