Changeset 3517 for trunk/wp-includes/rss-functions.php

Timestamp:

02/12/2006 07:53:23 AM (19 years ago)

Author:

ryan

Message:

Death to trailing tabs. Props Mark J. fixes #2405

File:

• trunk/wp-includes/rss-functions.php (modified) (46 diffs)

trunk/wp-includes/rss-functions.php

@@ -31 +31 @@
     var $current_field      = '';
     var $current_namespace  = false;
-    
+
     //var $ERROR = "";
-    
+
     var $_CONTENT_CONSTRUCTS = array('content', 'summary', 'info', 'title', 'tagline', 'copyright');
 
     function MagpieRSS ($source) {
-        
+
         # if PHP xml isn't compiled in, die
         #
         if ( !function_exists('xml_parser_create') )
             trigger_error( "Failed to load PHP's XML Extension. http://www.php.net/manual/en/ref.xml.php" );
-        
+
         $parser = @xml_parser_create();
-        
+
         if ( !is_resource($parser) )
             trigger_error( "Failed to create an instance of PHP's XML parser. http://www.php.net/manual/en/ref.xml.php");
 
-        
+
         $this->parser = $parser;
-        
+
         # pass in parser, and a reference to this object
         # setup handlers
@@ -57 +57 @@
         xml_set_element_handler($this->parser, 
                 'feed_start_element', 'feed_end_element' );
-                        
+
         xml_set_character_data_handler( $this->parser, 'feed_cdata' ); 
-    
+
         $status = xml_parse( $this->parser, $source );
-        
+
         if (! $status ) {
             $errorcode = xml_get_error_code( $this->parser );
@@ -73 +73 @@
             }
         }
-        
+
         xml_parser_free( $this->parser );
 
         $this->normalize();
     }
-    
+
     function feed_start_element($p, $element, &$attrs) {
         $el = $element = strtolower($element);
         $attrs = array_change_key_case($attrs, CASE_LOWER);
-        
+
         // check for a namespace, and split if found
         $ns = false;
@@ -91 +91 @@
             $this->current_namespace = $ns;
         }
-            
+
         # if feed type isn't set, then this is first element of feed
         # identify feed from root element
@@ -111 +111 @@
             return;
         }
-    
+
         if ( $el == 'channel' ) 
         {
@@ -120 +120 @@
             $this->initem = true;
             if ( isset($attrs['rdf:about']) ) {
-                $this->current_item['about'] = $attrs['rdf:about']; 
-            }
-        }
-        
+                $this->current_item['about'] = $attrs['rdf:about'];
+            }
+        }
+
         // if we're in the default namespace of an RSS feed,
         //  record textinput or image fields
@@ -133 +133 @@
             $this->intextinput = true;
         }
-        
+
         elseif (
             $this->feed_type == RSS and 
@@ -141 +141 @@
             $this->inimage = true;
         }
-        
+
         # handle atom content constructs
         elseif ( $this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
@@ -149 +149 @@
                 $el = 'atom_content';
             }
-            
+
             $this->incontent = $el;
-            
-            
-        }
-        
+
+
+        }
+
         // if inside an Atom content construct (e.g. content or summary) field treat tags as text
         elseif ($this->feed_type == ATOM and $this->incontent ) 
@@ -163 +163 @@
                     array_keys($attrs), 
                     array_values($attrs) ) );
-            
+
             $this->append_content( "<$element $attrs_str>"  );
-                    
+
             array_unshift( $this->stack, $el );
         }
-        
+
         // Atom support many links per containging element.
         // Magpie treats link elements of type rel='alternate'
@@ -182 +182 @@
                 $link_el = 'link_' . $attrs['rel'];
             }
-            
+
             $this->append($link_el, $attrs['href']);
         }
@@ -190 +190 @@
         }
     }
-    
-
-    
+
+
+
     function feed_cdata ($p, $text) {
-        
+
         if ($this->feed_type == ATOM and $this->incontent) 
         {
@@ -204 +204 @@
         }
     }
-    
+
     function feed_end_element ($p, $el) {
         $el = strtolower($el);
-        
+
         if ( $el == 'item' or $el == 'entry' ) 
         {
@@ -223 +223 @@
         }
         elseif ($this->feed_type == ATOM and in_array($el, $this->_CONTENT_CONSTRUCTS) )
-        {   
+        {
             $this->incontent = false;
         }
@@ -246 +246 @@
             array_shift( $this->stack );
         }
-        
+
         $this->current_namespace = false;
     }
-    
+
     function concat (&$str1, $str2="") {
         if (!isset($str1) ) {
@@ -256 +256 @@
         $str1 .= $str2;
     }
-    
+
     function append_content($text) {
         if ( $this->initem ) {
@@ -265 +265 @@
         }
     }
-    
+
     // smart append - field and namespace aware
     function append($el, $text) {
@@ -307 +307 @@
                     $this->channel[ $el ], $text );
             }
-            
-        }
-    }
-    
+
+        }
+    }
+
     function normalize () {
         // if atom populate rss fields
@@ -321 +321 @@
                 if ( isset($item['atom_content']))
                     $item['content']['encoded'] = $item['atom_content'];
-                
+
                 $this->items[$i] = $item;
-            }       
+            }
         }
         elseif ( $this->is_rss() ) {
@@ -333 +333 @@
                 if ( isset($item['content']['encoded'] ) )
                     $item['atom_content'] = $item['content']['encoded'];
-            
+
                 $this->items[$i] = $item;
             }
         }
     }
-    
+
     function is_rss () {
         if ( $this->feed_type == RSS ) {
-            return $this->feed_version; 
+            return $this->feed_version;
         }
         else {
@@ -347 +347 @@
         }
     }
-    
+
     function is_atom() {
         if ( $this->feed_type == ATOM ) {
@@ -379 +379 @@
     // initialize constants
     init();
-    
+
     if ( !isset($url) ) {
         // error("fetch_rss called without a url");
         return false;
     }
-    
+
     // if cache is disabled
     if ( !MAGPIE_CACHE_ON ) {
@@ -404 +404 @@
         // 3. if cached obj fails freshness check, fetch remote
         // 4. if remote fails, return stale object, or error
-        
+
         $cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
-        
+
         if (MAGPIE_DEBUG and $cache->ERROR) {
             debug($cache->ERROR, E_USER_WARNING);
         }
-        
-        
+
+
         $cache_status    = 0;       // response of check_cache
         $request_headers = array(); // HTTP headers to send with fetch
         $rss             = 0;       // parsed RSS object
         $errormsg        = 0;       // errors, if any
-        
+
         if (!$cache->ERROR) {
             // return cache HIT, MISS, or STALE
@@ -433 +433 @@
             }
         }
-        
+
         // else attempt a conditional get
-        
+
         // setup headers
         if ( $cache_status == 'STALE' ) {
@@ -444 +444 @@
             }
         }
-        
+
         $resp = _fetch_remote_file( $url, $request_headers );
-        
+
         if (isset($resp) and $resp) {
             if ($resp->status == '304' ) {
@@ -484 +484 @@
             $errormsg = "Unable to retrieve RSS file for unknown reasons.";
         }
-        
+
         // else fetch failed
-        
+
         // attempt to return cached object
         if ($rss) {
@@ -494 +494 @@
             return $rss;
         }
-        
+
         // else we totally failed
-        // error( $errormsg );  
-        
+        // error( $errormsg );
+
         return false;
-        
+
     } // end if ( !MAGPIE_CACHE_ON ) {
 } // end fetch_rss()
@@ -512 +512 @@
         $client->rawheaders = $headers;
     }
-    
+
     @$client->fetch($url);
     return $client;
@@ -520 +520 @@
 function _response_to_rss ($resp) {
     $rss = new MagpieRSS( $resp->results );
-    
-    // if RSS parsed successfully       
+
+    // if RSS parsed successfully
     if ( $rss and !$rss->ERROR) {
-        
+
         // find Etag, and Last-Modified
         foreach($resp->headers as $h) {
@@ -534 +534 @@
                 $val = "";
             }
-            
+
             if ( $field == 'ETag' ) {
                 $rss->etag = $val;
             }
-            
+
             if ( $field == 'Last-Modified' ) {
                 $rss->last_modified = $val;
             }
         }
-        
-        return $rss;    
+
+        return $rss;
     } // else construct error message
     else {
         $errormsg = "Failed to parse RSS file.";
-        
+
         if ($rss) {
             $errormsg .= " (" . $rss->ERROR . ")";
         }
         // error($errormsg);
-        
+
         return false;
     } // end if ($rss and !$rss->error)
@@ -570 +570 @@
         define('MAGPIE_INITALIZED', 1);
     }
-    
+
     if ( !defined('MAGPIE_CACHE_ON') ) {
         define('MAGPIE_CACHE_ON', 1);
@@ -586 +586 @@
         define('MAGPIE_CACHE_FRESH_ONLY', 0);
     }
-    
+
         if ( !defined('MAGPIE_DEBUG') ) {
         define('MAGPIE_DEBUG', 0);
@@ -593 +593 @@
     if ( !defined('MAGPIE_USER_AGENT') ) {
         $ua = 'WordPress/' . $wp_version;
-        
+
         if ( MAGPIE_CACHE_ON ) {
             $ua = $ua . ')';
@@ -600 +600 @@
             $ua = $ua . '; No cache)';
         }
-        
+
         define('MAGPIE_USER_AGENT', $ua);
     }
-    
+
     if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {
         define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout
     }
-    
+
     // use gzip encoding to fetch rss files if supported?
     if ( !defined('MAGPIE_USE_GZIP') ) {
-        define('MAGPIE_USE_GZIP', true);    
+        define('MAGPIE_USE_GZIP', true);
     }
 }
@@ -642 +642 @@
     var $MAX_AGE    = 43200;        // when are files stale, default twelve hours
     var $ERROR      = '';           // accumulate error messages
-    
+
     function RSSCache ($base='', $age='') {
         if ( $base ) {
@@ -650 +650 @@
             $this->MAX_AGE = $age;
         }
-    
-    }
-    
+
+    }
+
 /*=======================================================================*\
     Function:   set
     Purpose:    add an item to the cache, keyed on url
     Input:      url from wich the rss file was fetched
-    Output:     true on sucess  
+    Output:     true on sucess
 \*=======================================================================*/
     function set ($url, $rss) {
@@ -663 +663 @@
         $cache_option = 'rss_' . $this->file_name( $url );
         $cache_timestamp = 'rss_' . $this->file_name( $url ) . '_ts';
-        
+
         if ( !$wpdb->get_var("SELECT option_name FROM $wpdb->options WHERE option_name = '$cache_option'") )
             add_option($cache_option, '', '', 'no');
         if ( !$wpdb->get_var("SELECT option_name FROM $wpdb->options WHERE option_name = '$cache_timestamp'") )
             add_option($cache_timestamp, '', '', 'no');
-        
+
         update_option($cache_option, $rss);
         update_option($cache_timestamp, time() );
-        
+
         return $cache_option;
     }
-    
+
 /*=======================================================================*\
     Function:   get
     Purpose:    fetch an item from the cache
     Input:      url from wich the rss file was fetched
-    Output:     cached object on HIT, false on MISS 
-\*=======================================================================*/ 
+    Output:     cached object on HIT, false on MISS
+\*=======================================================================*/
     function get ($url) {
         $this->ERROR = "";
         $cache_option = 'rss_' . $this->file_name( $url );
-        
+
         if ( ! get_option( $cache_option ) ) {
             $this->debug( 
@@ -691 +691 @@
             return 0;
         }
-        
+
         $rss = get_option( $cache_option );
-        
+
         return $rss;
     }
@@ -702 +702 @@
                 and whether the object is older then MAX_AGE (ie. STALE)
     Input:      url from wich the rss file was fetched
-    Output:     cached object on HIT, false on MISS 
-\*=======================================================================*/     
+    Output:     cached object on HIT, false on MISS
+\*=======================================================================*/
     function check_cache ( $url ) {
         $this->ERROR = "";
@@ -730 +730 @@
 /*=======================================================================*\
     Function:   serialize
-\*=======================================================================*/     
+\*=======================================================================*/
     function serialize ( $rss ) {
         return serialize( $rss );
@@ -737 +737 @@
 /*=======================================================================*\
     Function:   unserialize
-\*=======================================================================*/     
+\*=======================================================================*/
     function unserialize ( $data ) {
         return unserialize( $data );
     }
-    
+
 /*=======================================================================*\
     Function:   file_name
@@ -747 +747 @@
     Input:      url from wich the rss file was fetched
     Output:     a file name
-\*=======================================================================*/     
+\*=======================================================================*/
     function file_name ($url) {
         return md5( $url );
     }
-    
+
 /*=======================================================================*\
     Function:   error
     Purpose:    register error
-\*=======================================================================*/         
+\*=======================================================================*/
     function error ($errormsg, $lvl=E_USER_WARNING) {
         // append PHP's error message if track_errors enabled
@@ -777 +777 @@
 
 function parse_w3cdtf ( $date_str ) {
-    
+
     # regex to match wc3dtf
     $pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
-    
+
     if ( preg_match( $pat, $date_str, $match ) ) {
         list( $year, $month, $day, $hours, $minutes, $seconds) = 
             array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[6]);
-        
+
         # calc epoch for current date assuming GMT
         $epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
-        
+
         $offset = 0;
         if ( $match[10] == 'Z' ) {
@@ -795 +795 @@
             list( $tz_mod, $tz_hour, $tz_min ) =
                 array( $match[8], $match[9], $match[10]);
-            
+
             # zero out the variables
             if ( ! $tz_hour ) { $tz_hour = 0; }
             if ( ! $tz_min ) { $tz_min = 0; }
-        
+
             $offset_secs = (($tz_hour*60)+$tz_min)*60;
-            
+
             # is timezone ahead of GMT?  then subtract offset
             #
@@ -807 +807 @@
                 $offset_secs = $offset_secs * -1;
             }
-            
-            $offset = $offset_secs; 
+
+            $offset = $offset_secs;
         }
         $epoch = $epoch + $offset;
@@ -830 +830 @@
                     echo "</a><br />\n";
                     echo "</li>\n";
-                }       
+                }
             echo "</ul>";
     }