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Ignore:
Timestamp:
06/10/2005 11:15:13 PM (19 years ago)
Author:
ryan
Message:

Break blog header up into functional chunks. Stick it all in a WP class for now. Make wp() the front door. Move template/theme loader code into template-loader.php. Clean up feed file loadup. Modularize.

File:
1 edited

Legend:

Unmodified
Added
Removed

  • trunk/wp-blog-header.php

    r2623 r2627  
    1212require_once( dirname(__FILE__) . '/wp-config.php');
    1313
    14 $query_vars = array();
     14wp();
     15gzip_compression();
    1516
    16 // Process PATH_INFO and 404.
    17 if ((isset($_GET['error']) && $_GET['error'] == '404') ||
    18         ((! empty($_SERVER['PATH_INFO'])) &&
    19         ('/' != $_SERVER['PATH_INFO']) &&
    20          (false === strpos($_SERVER['PATH_INFO'], '.php'))
    21         )) {
    22 
    23     // If we match a rewrite rule, this will be cleared.
    24     $error = '404';
    25 
    26     // Fetch the rewrite rules.
    27     $rewrite = $wp_rewrite->wp_rewrite_rules();
    28 
    29     if (! empty($rewrite)) {
    30         $pathinfo = $_SERVER['PATH_INFO'];
    31         $req_uri = $_SERVER['REQUEST_URI'];     
    32         $home_path = parse_url(get_settings('home'));
    33         $home_path = $home_path['path'];
    34 
    35         // Trim path info from the end and the leading home path from the
    36         // front.  For path info requests, this leaves us with the requesting
    37         // filename, if any.  For 404 requests, this leaves us with the
    38         // requested permalink.
    39         $req_uri = str_replace($pathinfo, '', $req_uri);
    40         $req_uri = str_replace($home_path, '', $req_uri);
    41         $req_uri = trim($req_uri, '/');
    42         $pathinfo = trim($pathinfo, '/');
    43 
    44         // The requested permalink is in $pathinfo for path info requests and
    45         //  $req_uri for other requests.
    46         if (! empty($pathinfo)) {
    47             $request = $pathinfo;
    48         } else {
    49             $request = $req_uri;
    50         }
    51 
    52         // Look for matches.
    53         $request_match = $request;
    54         foreach ($rewrite as $match => $query) {
    55             // If the requesting file is the anchor of the match, prepend it
    56             // to the path info.
    57         if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0)) {
    58           $request_match = $req_uri . '/' . $request;
    59         }
    60 
    61             if (preg_match("!^$match!", $request_match, $matches)) {
    62                 // Got a match.
    63                 // Trim the query of everything up to the '?'.
    64                 $query = preg_replace("!^.+\?!", '', $query);
    65 
    66                 // Substitute the substring matches into the query.
    67                 eval("\$query = \"$query\";");
    68 
    69                 // Parse the query.
    70                 parse_str($query, $query_vars);
    71 
    72                 // If we're processing a 404 request, clear the error var
    73                 // since we found something.
    74                 if (isset($_GET['error'])) {
    75                     unset($_GET['error']);
    76                 }
    77 
    78                 if (isset($error)) {
    79                     unset($error);
    80                 }
    81 
    82                 break;
    83             }
    84         }
    85     }
    86  }
    87 
    88 $wpvarstoreset = array('m','p','posts','w', 'cat','withcomments','s','search','exact', 'sentence', 'debug', 'calendar','page','paged','more','tb', 'pb','author','order','orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup');
    89 
    90 $wpvarstoreset = apply_filters('query_vars', $wpvarstoreset);
    91 
    92 for ($i=0; $i<count($wpvarstoreset); $i += 1) {
    93     $wpvar = $wpvarstoreset[$i];
    94     if (!isset($$wpvar)) {
    95         if (empty($_POST[$wpvar])) {
    96             if (empty($_GET[$wpvar]) && empty($query_vars[$wpvar])) {
    97                 $$wpvar = '';
    98             } elseif (!empty($_GET[$wpvar])) {
    99                 $$wpvar = $_GET[$wpvar];
    100             } else {
    101                 $$wpvar = $query_vars[$wpvar];
    102             }
    103         } else {
    104             $$wpvar = $_POST[$wpvar];
    105         }
    106     }
    107 }
    108 
    109 // Sending HTTP headers
    110 @header('X-Pingback: '. get_bloginfo('pingback_url'));
    111 
    112 if ( !empty($error) && '404' == $error ) {
    113     status_header( 404 );
    114  } else if ( empty($feed) ) {
    115     @header('Content-type: ' . get_option('html_type') . '; charset=' . get_option('blog_charset'));
    116 } else {
    117     // We're showing a feed, so WP is indeed the only thing that last changed
    118     if ( $withcomments )
    119         $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastcommentmodified('GMT'), 0).' GMT';
    120     else
    121         $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT';
    122     $wp_etag = '"' . md5($wp_last_modified) . '"';
    123     @header("Last-Modified: $wp_last_modified");
    124     @header("ETag: $wp_etag");
    125 
    126     // Support for Conditional GET
    127     if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']);
    128     else $client_etag = false;
    129 
    130     $client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']);
    131     // If string is empty, return 0. If not, attempt to parse into a timestamp
    132     $client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0;
    133 
    134     // Make a timestamp for our most recent modification...
    135     $wp_modified_timestamp = strtotime($wp_last_modified);
    136 
    137     if ( ($client_last_modified && $client_etag) ?
    138         (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) :
    139         (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) {
    140         status_header( 304 );
    141         exit;
    142     }
    143 }
    144 
    145 $use_gzipcompression = get_settings('gzipcompression');
    146 
    147 $more_wpvars = array('posts_per_page', 'posts_per_archive_page', 'what_to_show', 'showposts', 'nopaging');
    148 
    149 // Construct the query string.
    150 $query_string = '';
    151 foreach (array_merge($wpvarstoreset, $more_wpvars) as $wpvar) {
    152     if ($$wpvar != '') {
    153         $query_string .= (strlen($query_string) < 1) ? '' : '&';
    154         $query_string .= $wpvar . '=' . rawurlencode($$wpvar);
    155     }
    156 }
    157 
    158 $query_string = apply_filters('query_string', $query_string);
    159 
    160 update_category_cache();
    161 get_currentuserinfo();
    162 
    163 // Call query posts to do the work.
    164 $posts = & query_posts($query_string);
    165 
    166 // Extract updated query vars back into global namespace.
    167 extract($wp_query->query_vars);
    168 
    169 if ( is_single() || is_page() ) {
    170     $more = 1;
    171     $single = 1;
    172 }
    173 
    174 // Issue a 404 if a permalink request doesn't match any posts.  Don't issue a
    175 // 404 if one was already issued, if the request was a search, or if the
    176 // request was a regular query string request rather than a permalink request.
    177 if ( (0 == count($posts)) && !is_404() && !is_search()
    178         && ( isset($rewrite) || (!empty($_SERVER['QUERY_STRING']) &&
    179         (false === strpos($_SERVER['REQUEST_URI'], '?'))) ) ) {
    180     $wp_query->is_404 = true;
    181     status_header( 404 );
    182 } else {
    183     status_header( 200 );
    184 }
    185 
    186 if ($pagenow != 'post.php' && $pagenow != 'edit.php') {
    187     if ( get_settings('gzipcompression') )
    188         gzip_compression();
    189 }
    190 
    191 // Template redirection
    192 if ( defined('WP_USE_THEMES') && constant('WP_USE_THEMES') ) {
    193     do_action('template_redirect');
    194     if ( is_feed() && empty($doing_rss) ) {
    195         include(ABSPATH . '/wp-feed.php');
    196         exit;
    197     } else if ( is_trackback() && empty($doing_trackback) ) {
    198         include(ABSPATH . '/wp-trackback.php');
    199         exit;
    200     } else if ( is_404() && get_404_template() ) {
    201         include(get_404_template());
    202         exit;
    203     } else if ( is_search() && get_search_template() ) {
    204         include(get_search_template());
    205         exit;
    206     } else if ( is_home() && get_home_template() ) {
    207         include(get_home_template());
    208         exit;
    209     } else if ( is_single() && get_single_template() ) {
    210         include(get_single_template());
    211         exit;
    212     } else if ( is_page() && get_page_template() ) {
    213         include(get_page_template());
    214         exit;
    215     } else if ( is_category() && get_category_template()) {
    216         include(get_category_template());
    217         exit;       
    218     } else if ( is_author() && get_author_template() ) {
    219         include(get_author_template());
    220         exit;
    221     } else if ( is_date() && get_date_template() ) {
    222         include(get_date_template());
    223         exit;
    224     } else if ( is_archive() && get_archive_template() ) {
    225         include(get_archive_template());
    226         exit;
    227     } else if ( is_comments_popup() && get_comments_popup_template() ) {
    228         include(get_comments_popup_template());
    229         exit;
    230     } else if ( is_paged() && get_paged_template() ) {
    231         include(get_paged_template());
    232         exit;
    233     } else if ( file_exists(TEMPLATEPATH . "/index.php") ) {
    234         include(TEMPLATEPATH . "/index.php");
    235         exit;
    236     }
    237 } else {
    238     // Process feeds and trackbacks even if not using themes.
    239     if ( is_feed() && empty($doing_rss) ) {
    240         include(ABSPATH . '/wp-feed.php');
    241         exit;
    242     } else if ( is_trackback() && empty($doing_trackback) ) {
    243         include(ABSPATH . '/wp-trackback.php');
    244         exit;
    245     }
    246 }
     17require_once(ABSPATH . WPINC . '/template-loader.php');
    24718
    24819endif;
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