X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..refs/tags/wordpress-2.8-scripts:/wp-includes/rewrite.php diff --git a/wp-includes/rewrite.php b/wp-includes/rewrite.php index bd5daf08..c84b5205 100644 --- a/wp-includes/rewrite.php +++ b/wp-includes/rewrite.php @@ -1,16 +1,37 @@ add_rule($regex, $redirect, $after); } -//Add a new tag (like %postname%) -//warning: you must call this on init or earlier, otherwise the query var addition stuff won't work +/** + * Add a new tag (like %postname%). + * + * Warning: you must call this on init or earlier, otherwise the query var + * addition stuff won't work. + * + * @since 2.1.0 + * + * @param string $tagname + * @param string $regex + */ function add_rewrite_tag($tagname, $regex) { //validation if (strlen($tagname) < 3 || $tagname{0} != '%' || $tagname{strlen($tagname)-1} != '%') { @@ -24,52 +45,195 @@ function add_rewrite_tag($tagname, $regex) { $wp_rewrite->add_rewrite_tag($tagname, $regex, $qv . '='); } -//Add a new feed type like /atom1/ +/** + * Add a new feed type like /atom1/. + * + * @since 2.1.0 + * + * @param string $feedname + * @param callback $function Callback to run on feed display. + * @return string Feed action name. + */ function add_feed($feedname, $function) { global $wp_rewrite; if (!in_array($feedname, $wp_rewrite->feeds)) { //override the file if it is $wp_rewrite->feeds[] = $feedname; } $hook = 'do_feed_' . $feedname; - remove_action($hook, $function, 10, 1); + // Remove default function hook + remove_action($hook, $hook, 10, 1); add_action($hook, $function, 10, 1); return $hook; } -define('EP_PERMALINK', 1 ); -define('EP_ATTACHMENT', 2 ); -define('EP_DATE', 4 ); -define('EP_YEAR', 8 ); -define('EP_MONTH', 16 ); -define('EP_DAY', 32 ); -define('EP_ROOT', 64 ); -define('EP_COMMENTS', 128 ); -define('EP_SEARCH', 256 ); -define('EP_CATEGORIES', 512 ); -define('EP_TAGS', 1024 ); -define('EP_AUTHORS', 2048); -define('EP_PAGES', 4096); -//pseudo-places -define('EP_NONE', 0 ); -define('EP_ALL', 8191); +/** + * Endpoint Mask for Permalink. + * + * @since 2.1.0 + */ +define('EP_PERMALINK', 1); + +/** + * Endpoint Mask for Attachment. + * + * @since 2.1.0 + */ +define('EP_ATTACHMENT', 2); + +/** + * Endpoint Mask for date. + * + * @since 2.1.0 + */ +define('EP_DATE', 4); + +/** + * Endpoint Mask for year + * + * @since 2.1.0 + */ +define('EP_YEAR', 8); + +/** + * Endpoint Mask for month. + * + * @since 2.1.0 + */ +define('EP_MONTH', 16); + +/** + * Endpoint Mask for day. + * + * @since 2.1.0 + */ +define('EP_DAY', 32); + +/** + * Endpoint Mask for root. + * + * @since 2.1.0 + */ +define('EP_ROOT', 64); + +/** + * Endpoint Mask for comments. + * + * @since 2.1.0 + */ +define('EP_COMMENTS', 128); + +/** + * Endpoint Mask for searches. + * + * @since 2.1.0 + */ +define('EP_SEARCH', 256); + +/** + * Endpoint Mask for categories. + * + * @since 2.1.0 + */ +define('EP_CATEGORIES', 512); + +/** + * Endpoint Mask for tags. + * + * @since 2.3.0 + */ +define('EP_TAGS', 1024); + +/** + * Endpoint Mask for authors. + * + * @since 2.1.0 + */ +define('EP_AUTHORS', 2048); + +/** + * Endpoint Mask for pages. + * + * @since 2.1.0 + */ +define('EP_PAGES', 4096); -//and an endpoint, like /trackback/ +//pseudo-places +/** + * Endpoint Mask for default, which is nothing. + * + * @since 2.1.0 + */ +define('EP_NONE', 0); + +/** + * Endpoint Mask for everything. + * + * @since 2.1.0 + */ +define('EP_ALL', 8191); + +/** + * Add an endpoint, like /trackback/. + * + * The endpoints are added to the end of the request. So a request matching + * "/2008/10/14/my_post/myep/", the endpoint will be "/myep/". + * + * Be sure to flush the rewrite rules (wp_rewrite->flush()) when your plugin gets + * activated (register_activation_hook()) and deactivated (register_deactivation_hook()) + * + * @since 2.1.0 + * @see WP_Rewrite::add_endpoint() Parameters and more description. + * @uses $wp_rewrite + * + * @param unknown_type $name + * @param unknown_type $places + */ function add_rewrite_endpoint($name, $places) { global $wp_rewrite; $wp_rewrite->add_endpoint($name, $places); } -// examine a url (supposedly from this blog) and try to -// determine the post ID it represents. +/** + * Filter the URL base for taxonomies. + * + * To remove any manually prepended /index.php/. + * + * @access private + * @since 2.6.0 + * @author Mark Jaquith + * + * @param string $base The taxonomy base that we're going to filter + * @return string + */ +function _wp_filter_taxonomy_base( $base ) { + if ( !empty( $base ) ) { + $base = preg_replace( '|^/index\.php/|', '', $base ); + $base = trim( $base, '/' ); + } + return $base; +} + +/** + * Examine a url and try to determine the post ID it represents. + * + * Checks are supposedly from the hosted site blog. + * + * @since 1.0.0 + * + * @param string $url Permalink to check. + * @return int Post ID, or 0 on failure. + */ function url_to_postid($url) { global $wp_rewrite; $url = apply_filters('url_to_postid', $url); // First, check to see if there is a 'p=N' or 'page_id=N' to match against - preg_match('#[?&](p|page_id)=(\d+)#', $url, $values); - $id = intval($values[2]); - if ( $id ) return $id; + if ( preg_match('#[?&](p|page_id|attachment_id)=(\d+)#', $url, $values) ) { + $id = absint($values[2]); + if ($id) + return $id; + } // Check to see if we are using rewrite rules $rewrite = $wp_rewrite->wp_rewrite_rules(); @@ -125,7 +289,7 @@ function url_to_postid($url) { foreach ($rewrite as $match => $query) { // If the requesting file is the anchor of the match, prepend it // to the path info. - if ( (! empty($url)) && (strpos($match, $url) === 0) ) { + if ( (! empty($url)) && (strpos($match, $url) === 0) && ($url != $request)) { $request_match = $url . '/' . $request; } @@ -135,12 +299,12 @@ function url_to_postid($url) { $query = preg_replace("!^.+\?!", '', $query); // Substitute the substring matches into the query. - eval("\$query = \"$query\";"); + eval("\$query = \"" . addslashes($query) . "\";"); // Filter out non-public query vars global $wp; parse_str($query, $query_vars); $query = array(); - foreach ( $query_vars as $key => $value ) { + foreach ( (array) $query_vars as $key => $value ) { if ( in_array($key, $wp->public_query_vars) ) $query[$key] = $value; } @@ -155,36 +319,298 @@ function url_to_postid($url) { return 0; } -/* WP_Rewrite class -*******************************************************************************/ - +/** + * WordPress Rewrite Component. + * + * The WordPress Rewrite class writes the rewrite module rules to the .htaccess + * file. It also handles parsing the request to get the correct setup for the + * WordPress Query class. + * + * The Rewrite along with WP class function as a front controller for WordPress. + * You can add rules to trigger your page view and processing using this + * component. The full functionality of a front controller does not exist, + * meaning you can't define how the template files load based on the rewrite + * rules. + * + * @since 1.5.0 + */ class WP_Rewrite { + /** + * Default permalink structure for WordPress. + * + * @since 1.5.0 + * @access private + * @var string + */ var $permalink_structure; + + /** + * Whether to add trailing slashes. + * + * @since 2.2.0 + * @access private + * @var bool + */ var $use_trailing_slashes; + + /** + * Customized or default category permalink base ( example.com/xx/tagname ). + * + * @since 1.5.0 + * @access private + * @var string + */ var $category_base; + + /** + * Customized or default tag permalink base ( example.com/xx/tagname ). + * + * @since 2.3.0 + * @access private + * @var string + */ var $tag_base; + + /** + * Permalink request structure for categories. + * + * @since 1.5.0 + * @access private + * @var string + */ var $category_structure; + + /** + * Permalink request structure for tags. + * + * @since 2.3.0 + * @access private + * @var string + */ var $tag_structure; + + /** + * Permalink author request base ( example.com/author/authorname ). + * + * @since 1.5.0 + * @access private + * @var string + */ var $author_base = 'author'; + + /** + * Permalink request structure for author pages. + * + * @since 1.5.0 + * @access private + * @var string + */ var $author_structure; + + /** + * Permalink request structure for dates. + * + * @since 1.5.0 + * @access private + * @var string + */ var $date_structure; + + /** + * Permalink request structure for pages. + * + * @since 1.5.0 + * @access private + * @var string + */ var $page_structure; + + /** + * Search permalink base ( example.com/search/query ). + * + * @since 1.5.0 + * @access private + * @var string + */ var $search_base = 'search'; + + /** + * Permalink request structure for searches. + * + * @since 1.5.0 + * @access private + * @var string + */ var $search_structure; + + /** + * Comments permalink base. + * + * @since 1.5.0 + * @access private + * @var string + */ var $comments_base = 'comments'; + + /** + * Feed permalink base. + * + * @since 1.5.0 + * @access private + * @var string + */ var $feed_base = 'feed'; + + /** + * Comments feed request structure permalink. + * + * @since 1.5.0 + * @access private + * @var string + */ var $comments_feed_structure; + + /** + * Feed request structure permalink. + * + * @since 1.5.0 + * @access private + * @var string + */ var $feed_structure; + + /** + * Front URL path. + * + * The difference between the root property is that WordPress might be + * located at example/WordPress/index.php, if permalinks are turned off. The + * WordPress/index.php will be the front portion. If permalinks are turned + * on, this will most likely be empty or not set. + * + * @since 1.5.0 + * @access private + * @var string + */ var $front; + + /** + * Root URL path to WordPress (without domain). + * + * The difference between front property is that WordPress might be located + * at example.com/WordPress/. The root is the 'WordPress/' portion. + * + * @since 1.5.0 + * @access private + * @var string + */ var $root = ''; + + /** + * Permalink to the home page. + * + * @since 1.5.0 + * @access public + * @var string + */ var $index = 'index.php'; + + /** + * Request match string. + * + * @since 1.5.0 + * @access private + * @var string + */ var $matches = ''; + + /** + * Rewrite rules to match against the request to find the redirect or query. + * + * @since 1.5.0 + * @access private + * @var array + */ var $rules; - var $extra_rules = array(); //those not generated by the class, see add_rewrite_rule() - var $extra_rules_top = array(); //those not generated by the class, see add_rewrite_rule() - var $non_wp_rules = array(); //rules that don't redirect to WP's index.php + + /** + * Additional rules added external to the rewrite class. + * + * Those not generated by the class, see add_rewrite_rule(). + * + * @since 2.1.0 + * @access private + * @var array + */ + var $extra_rules = array(); // + + /** + * Additional rules that belong at the beginning to match first. + * + * Those not generated by the class, see add_rewrite_rule(). + * + * @since 2.3.0 + * @access private + * @var array + */ + var $extra_rules_top = array(); // + + /** + * Rules that don't redirect to WP's index.php. + * + * These rules are written to the mod_rewrite portion of the .htaccess. + * + * @since 2.1.0 + * @access private + * @var array + */ + var $non_wp_rules = array(); // + + /** + * Extra permalink structures. + * + * @since 2.1.0 + * @access private + * @var array + */ + var $extra_permastructs = array(); + + /** + * Endpoints permalinks + * + * @since unknown + * @access private + * @var array + */ var $endpoints; + + /** + * Whether to write every mod_rewrite rule for WordPress. + * + * This is off by default, turning it on might print a lot of rewrite rules + * to the .htaccess file. + * + * @since 2.0.0 + * @access public + * @var bool + */ var $use_verbose_rules = false; + + /** + * Whether to write every mod_rewrite rule for WordPress pages. + * + * @since 2.5.0 + * @access public + * @var bool + */ + var $use_verbose_page_rules = true; + + /** + * Permalink structure search for preg_replace. + * + * @since 1.5.0 + * @access private + * @var array + */ var $rewritecode = array( '%year%', @@ -202,6 +628,13 @@ class WP_Rewrite { '%search%' ); + /** + * Preg_replace values for the search, see {@link WP_Rewrite::$rewritecode}. + * + * @since 1.5.0 + * @access private + * @var array + */ var $rewritereplace = array( '([0-9]{4})', @@ -215,10 +648,17 @@ class WP_Rewrite { '(.+?)', '(.+?)', '([^/]+)', - '([^/]+)', + '([^/]+?)', '(.+)' ); + /** + * Search for the query to look for replacing. + * + * @since 1.5.0 + * @access private + * @var array + */ var $queryreplace = array ( 'year=', @@ -236,8 +676,25 @@ class WP_Rewrite { 's=' ); + /** + * Supported default feeds. + * + * @since 1.5.0 + * @access private + * @var array + */ var $feeds = array ( 'feed', 'rdf', 'rss', 'rss2', 'atom' ); + /** + * Whether permalinks are being used. + * + * This can be either rewrite module or permalink in the HTTP query string. + * + * @since 1.5.0 + * @access public + * + * @return bool True, if permalinks are enabled. + */ function using_permalinks() { if (empty($this->permalink_structure)) return false; @@ -245,6 +702,16 @@ class WP_Rewrite { return true; } + /** + * Whether permalinks are being used and rewrite module is not enabled. + * + * Means that permalink links are enabled and index.php is in the URL. + * + * @since 1.5.0 + * @access public + * + * @return bool + */ function using_index_permalinks() { if (empty($this->permalink_structure)) { return false; @@ -258,6 +725,16 @@ class WP_Rewrite { return false; } + /** + * Whether permalinks are being used and rewrite module is enabled. + * + * Using permalinks and index.php is not in the URL. + * + * @since 1.5.0 + * @access public + * + * @return bool + */ function using_mod_rewrite_permalinks() { if ( $this->using_permalinks() && ! $this->using_index_permalinks()) return true; @@ -265,11 +742,27 @@ class WP_Rewrite { return false; } + /** + * Index for matches for usage in preg_*() functions. + * + * The format of the string is, with empty matches property value, '$NUM'. + * The 'NUM' will be replaced with the value in the $number parameter. With + * the matches property not empty, the value of the returned string will + * contain that value of the matches property. The format then will be + * '$MATCHES[NUM]', with MATCHES as the value in the property and NUM the + * value of the $number parameter. + * + * @since 1.5.0 + * @access public + * + * @param int $number Index number. + * @return string + */ function preg_index($number) { $match_prefix = '$'; $match_suffix = ''; - if (! empty($this->matches)) { + if ( ! empty($this->matches) ) { $match_prefix = '$' . $this->matches . '['; $match_suffix = ']'; } @@ -277,12 +770,75 @@ class WP_Rewrite { return "$match_prefix$number$match_suffix"; } - function page_rewrite_rules() { - $uris = get_option('page_uris'); - $attachment_uris = get_option('page_attachment_uris'); + /** + * Retrieve all page and attachments for pages URIs. + * + * The attachments are for those that have pages as parents and will be + * retrieved. + * + * @since 2.5.0 + * @access public + * + * @return array Array of page URIs as first element and attachment URIs as second element. + */ + function page_uri_index() { + global $wpdb; + + //get pages in order of hierarchy, i.e. children after parents + $posts = get_page_hierarchy($wpdb->get_results("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page'")); + //now reverse it, because we need parents after children for rewrite rules to work properly + $posts = array_reverse($posts, true); + + $page_uris = array(); + $page_attachment_uris = array(); + + if ( !$posts ) + return array( array(), array() ); + + foreach ($posts as $id => $post) { + // URL => page name + $uri = get_page_uri($id); + $attachments = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'attachment' AND post_parent = %d", $id )); + if ( $attachments ) { + foreach ( $attachments as $attachment ) { + $attach_uri = get_page_uri($attachment->ID); + $page_attachment_uris[$attach_uri] = $attachment->ID; + } + } + + $page_uris[$uri] = $id; + } + + return array( $page_uris, $page_attachment_uris ); + } + /** + * Retrieve all of the rewrite rules for pages. + * + * If the 'use_verbose_page_rules' property is false, then there will only + * be a single rewrite rule for pages for those matching '%pagename%'. With + * the property set to true, the attachments and the pages will be added for + * each individual attachment URI and page URI, respectively. + * + * @since 1.5.0 + * @access public + * + * @return array + */ + function page_rewrite_rules() { $rewrite_rules = array(); $page_structure = $this->get_page_permastruct(); + + if ( ! $this->use_verbose_page_rules ) { + $this->add_rewrite_tag('%pagename%', "(.+?)", 'pagename='); + $rewrite_rules = array_merge($rewrite_rules, $this->generate_rewrite_rules($page_structure, EP_PAGES)); + return $rewrite_rules; + } + + $page_uris = $this->page_uri_index(); + $uris = $page_uris[0]; + $attachment_uris = $page_uris[1]; + if( is_array( $attachment_uris ) ) { foreach ($attachment_uris as $uri => $pagename) { $this->add_rewrite_tag('%pagename%', "($uri)", 'attachment='); @@ -299,6 +855,26 @@ class WP_Rewrite { return $rewrite_rules; } + /** + * Retrieve date permalink structure, with year, month, and day. + * + * The permalink structure for the date, if not set already depends on the + * permalink structure. It can be one of three formats. The first is year, + * month, day; the second is day, month, year; and the last format is month, + * day, year. These are matched against the permalink structure for which + * one is used. If none matches, then the default will be used, which is + * year, month, day. + * + * Prevents post ID and date permalinks from overlapping. In the case of + * post_id, the date permalink will be prepended with front permalink with + * 'date/' before the actual permalink to form the complete date permalink + * structure. + * + * @since 1.5.0 + * @access public + * + * @return bool|string False on no permalink structure. Date permalink structure. + */ function get_date_permastruct() { if (isset($this->date_structure)) { return $this->date_structure; @@ -330,7 +906,7 @@ class WP_Rewrite { $front = $this->front; preg_match_all('/%.+?%/', $this->permalink_structure, $tokens); $tok_index = 1; - foreach ($tokens[0] as $token) { + foreach ( (array) $tokens[0] as $token) { if ( ($token == '%post_id%') && ($tok_index <= 3) ) { $front = $front . 'date/'; break; @@ -343,6 +919,17 @@ class WP_Rewrite { return $this->date_structure; } + /** + * Retrieve the year permalink structure without month and day. + * + * Gets the date permalink structure and strips out the month and day + * permalink structures. + * + * @since 1.5.0 + * @access public + * + * @return bool|string False on failure. Year structure on success. + */ function get_year_permastruct() { $structure = $this->get_date_permastruct($this->permalink_structure); @@ -358,6 +945,17 @@ class WP_Rewrite { return $structure; } + /** + * Retrieve the month permalink structure without day and with year. + * + * Gets the date permalink structure and strips out the day permalink + * structures. Keeps the year permalink structure. + * + * @since 1.5.0 + * @access public + * + * @return bool|string False on failure. Year/Month structure on success. + */ function get_month_permastruct() { $structure = $this->get_date_permastruct($this->permalink_structure); @@ -372,10 +970,33 @@ class WP_Rewrite { return $structure; } + /** + * Retrieve the day permalink structure with month and year. + * + * Keeps date permalink structure with all year, month, and day. + * + * @since 1.5.0 + * @access public + * + * @return bool|string False on failure. Year/Month/Day structure on success. + */ function get_day_permastruct() { return $this->get_date_permastruct($this->permalink_structure); } + /** + * Retrieve the permalink structure for categories. + * + * If the category_base property has no value, then the category structure + * will have the front property value, followed by 'category', and finally + * '%category%'. If it does, then the root property will be used, along with + * the category_base property value. + * + * @since 1.5.0 + * @access public + * + * @return bool|string False on failure. Category permalink structure. + */ function get_category_permastruct() { if (isset($this->category_structure)) { return $this->category_structure; @@ -387,15 +1008,28 @@ class WP_Rewrite { } if (empty($this->category_base)) - $this->category_structure = $this->front . 'category/'; + $this->category_structure = trailingslashit( $this->front . 'category' ); else - $this->category_structure = $this->category_base . '/'; + $this->category_structure = trailingslashit( '/' . $this->root . $this->category_base ); $this->category_structure .= '%category%'; return $this->category_structure; } + /** + * Retrieve the permalink structure for tags. + * + * If the tag_base property has no value, then the tag structure will have + * the front property value, followed by 'tag', and finally '%tag%'. If it + * does, then the root property will be used, along with the tag_base + * property value. + * + * @since 2.3.0 + * @access public + * + * @return bool|string False on failure. Tag permalink structure. + */ function get_tag_permastruct() { if (isset($this->tag_structure)) { return $this->tag_structure; @@ -407,15 +1041,42 @@ class WP_Rewrite { } if (empty($this->tag_base)) - $this->tag_structure = $this->front . 'tag/'; + $this->tag_structure = trailingslashit( $this->front . 'tag' ); else - $this->tag_structure = $this->tag_base . '/'; + $this->tag_structure = trailingslashit( '/' . $this->root . $this->tag_base ); $this->tag_structure .= '%tag%'; return $this->tag_structure; } + /** + * Retrieve extra permalink structure by name. + * + * @since unknown + * @access public + * + * @param string $name Permalink structure name. + * @return string|bool False if not found. Permalink structure string. + */ + function get_extra_permastruct($name) { + if ( isset($this->extra_permastructs[$name]) ) + return $this->extra_permastructs[$name]; + return false; + } + + /** + * Retrieve the author permalink structure. + * + * The permalink structure is front property, author base, and finally + * '/%author%'. Will set the author_structure property and then return it + * without attempting to set the value again. + * + * @since 1.5.0 + * @access public + * + * @return string|bool False if not found. Permalink structure string. + */ function get_author_permastruct() { if (isset($this->author_structure)) { return $this->author_structure; @@ -431,6 +1092,18 @@ class WP_Rewrite { return $this->author_structure; } + /** + * Retrieve the search permalink structure. + * + * The permalink structure is root property, search base, and finally + * '/%search%'. Will set the search_structure property and then return it + * without attempting to set the value again. + * + * @since 1.5.0 + * @access public + * + * @return string|bool False if not found. Permalink structure string. + */ function get_search_permastruct() { if (isset($this->search_structure)) { return $this->search_structure; @@ -446,6 +1119,18 @@ class WP_Rewrite { return $this->search_structure; } + /** + * Retrieve the page permalink structure. + * + * The permalink structure is root property, and '%pagename%'. Will set the + * page_structure property and then return it without attempting to set the + * value again. + * + * @since 1.5.0 + * @access public + * + * @return string|bool False if not found. Permalink structure string. + */ function get_page_permastruct() { if (isset($this->page_structure)) { return $this->page_structure; @@ -461,6 +1146,18 @@ class WP_Rewrite { return $this->page_structure; } + /** + * Retrieve the feed permalink structure. + * + * The permalink structure is root property, feed base, and finally + * '/%feed%'. Will set the feed_structure property and then return it + * without attempting to set the value again. + * + * @since 1.5.0 + * @access public + * + * @return string|bool False if not found. Permalink structure string. + */ function get_feed_permastruct() { if (isset($this->feed_structure)) { return $this->feed_structure; @@ -476,6 +1173,18 @@ class WP_Rewrite { return $this->feed_structure; } + /** + * Retrieve the comment feed permalink structure. + * + * The permalink structure is root property, comment base property, feed + * base and finally '/%feed%'. Will set the comment_feed_structure property + * and then return it without attempting to set the value again. + * + * @since 1.5.0 + * @access public + * + * @return string|bool False if not found. Permalink structure string. + */ function get_comment_feed_permastruct() { if (isset($this->comment_feed_structure)) { return $this->comment_feed_structure; @@ -491,12 +1200,26 @@ class WP_Rewrite { return $this->comment_feed_structure; } + /** + * Append or update tag, pattern, and query for replacement. + * + * If the tag already exists, replace the existing pattern and query for + * that tag, otherwise add the new tag, pattern, and query to the end of the + * arrays. + * + * @internal What is the purpose of this function again? Need to finish long + * description. + * + * @since 1.5.0 + * @access public + * + * @param string $tag Append tag to rewritecode property array. + * @param string $pattern Append pattern to rewritereplace property array. + * @param string $query Append query to queryreplace property array. + */ function add_rewrite_tag($tag, $pattern, $query) { - // If the tag already exists, replace the existing pattern and query for - // that tag, otherwise add the new tag, pattern, and query to the end of - // the arrays. $position = array_search($tag, $this->rewritecode); - if (FALSE !== $position && NULL !== $position) { + if ( false !== $position && null !== $position ) { $this->rewritereplace[$position] = $pattern; $this->queryreplace[$position] = $query; } else { @@ -506,11 +1229,29 @@ class WP_Rewrite { } } - //the main WP_Rewrite function. generate the rules from permalink structure + /** + * Generate the rules from permalink structure. + * + * The main WP_Rewrite function for building the rewrite rule list. The + * contents of the function is a mix of black magic and regular expressions, + * so best just ignore the contents and move to the parameters. + * + * @since 1.5.0 + * @access public + * + * @param string $permalink_structure The permalink structure. + * @param int $ep_mask Optional, default is EP_NONE. Endpoint constant, see EP_* constants. + * @param bool $paged Optional, default is true. Whether permalink request is paged. + * @param bool $feed Optional, default is true. Whether for feed. + * @param bool $forcomments Optional, default is false. Whether for comments. + * @param bool $walk_dirs Optional, default is true. Whether to create list of directories to walk over. + * @param bool $endpoints Optional, default is true. Whether endpoints are enabled. + * @return array Rewrite rule list. + */ function generate_rewrite_rules($permalink_structure, $ep_mask = EP_NONE, $paged = true, $feed = true, $forcomments = false, $walk_dirs = true, $endpoints = true) { //build a regex to match the feed section of URLs, something like (feed|atom|rss|rss2)/? $feedregex2 = ''; - foreach ($this->feeds as $feed_name) { + foreach ( (array) $this->feeds as $feed_name) { $feedregex2 .= $feed_name . '|'; } $feedregex2 = '(' . trim($feedregex2, '|') . ')/?$'; @@ -521,11 +1262,12 @@ class WP_Rewrite { //build a regex to match the trackback and page/xx parts of URLs $trackbackregex = 'trackback/?$'; $pageregex = 'page/?([0-9]{1,})/?$'; + $commentregex = 'comment-page-([0-9]{1,})/?$'; //build up an array of endpoint regexes to append => queries to append if ($endpoints) { $ep_query_append = array (); - foreach ($this->endpoints as $endpoint) { + foreach ( (array) $this->endpoints as $endpoint) { //match everything after the endpoint name, but allow for nothing to appear there $epmatch = $endpoint[1] . '(/(.*))?/?$'; //this will be appended on to the rest of the query for each dir @@ -549,6 +1291,8 @@ class WP_Rewrite { for ($i = 0; $i < $num_tokens; ++$i) { if (0 < $i) { $queries[$i] = $queries[$i - 1] . '&'; + } else { + $queries[$i] = ''; } $query_token = str_replace($this->rewritecode, $this->queryreplace, $tokens[0][$i]) . $this->preg_index($i+1); @@ -586,7 +1330,7 @@ class WP_Rewrite { //make a list of tags, and store how many there are in $num_toks $num_toks = preg_match_all('/%.+?%/', $struct, $toks); //get the 'tagname=$matches[i]' - $query = $queries[$num_toks - 1]; + $query = ( isset($queries) && is_array($queries) ) ? $queries[$num_toks - 1] : ''; //set up $ep_mask_specific which is used to match more specific URL types switch ($dirs[$j]) { @@ -599,6 +1343,16 @@ class WP_Rewrite { $pagematch = $match . $pageregex; $pagequery = $index . '?' . $query . '&paged=' . $this->preg_index($num_toks + 1); + //create query for /comment-page-xx + $commentmatch = $match . $commentregex; + $commentquery = $index . '?' . $query . '&cpage=' . $this->preg_index($num_toks + 1); + + if ( get_option('page_on_front') ) { + //create query for Root /comment-page-xx + $rootcommentmatch = $match . $commentregex; + $rootcommentquery = $index . '?' . $query . '&page_id=' . get_option('page_on_front') . '&cpage=' . $this->preg_index($num_toks + 1); + } + //create query for /feed/(feed|atom|rss|rss2|rdf) $feedmatch = $match . $feedregex; $feedquery = $feedindex . '?' . $query . '&feed=' . $this->preg_index($num_toks + 1); @@ -620,9 +1374,15 @@ class WP_Rewrite { if ($paged) //...and /page/xx ones $rewrite = array_merge($rewrite, array($pagematch => $pagequery)); + //only on pages with comments add ../comment-page-xx/ + if ( EP_PAGES & $ep_mask || EP_PERMALINK & $ep_mask || EP_NONE & $ep_mask ) + $rewrite = array_merge($rewrite, array($commentmatch => $commentquery)); + else if ( EP_ROOT & $ep_mask && get_option('page_on_front') ) + $rewrite = array_merge($rewrite, array($rootcommentmatch => $rootcommentquery)); + //do endpoints if ($endpoints) { - foreach ($ep_query_append as $regex => $ep) { + foreach ( (array) $ep_query_append as $regex => $ep) { //add the endpoints on if the mask fits if ($ep[0] & $ep_mask || $ep[0] & $ep_mask_specific) { $rewrite[$match . $regex] = $index . '?' . $query . $ep[1] . $this->preg_index($num_toks + 2); @@ -663,6 +1423,7 @@ class WP_Rewrite { $sub1tb = $sub1 . $trackbackregex; //add trackback regex /trackback/... $sub1feed = $sub1 . $feedregex; //and /feed/(atom|...) $sub1feed2 = $sub1 . $feedregex2; //and /(feed|atom...) + $sub1comment = $sub1 . $commentregex; //and /comment-page-xx //add an ? as we don't have to match that last slash, and finally a $ so we //match to the end of the URL @@ -672,14 +1433,16 @@ class WP_Rewrite { $sub2tb = $sub2 . $trackbackregex; //and add trackbacks /attachment/trackback $sub2feed = $sub2 . $feedregex; //feeds, /attachment/feed/(atom|...) $sub2feed2 = $sub2 . $feedregex2; //and feeds again on to this /attachment/(feed|atom...) + $sub2comment = $sub2 . $commentregex; //and /comment-page-xx //create queries for these extra tag-ons we've just dealt with $subquery = $index . '?attachment=' . $this->preg_index(1); $subtbquery = $subquery . '&tb=1'; $subfeedquery = $subquery . '&feed=' . $this->preg_index(2); + $subcommentquery = $subquery . '&cpage=' . $this->preg_index(2); //do endpoints for attachments - if ($endpoint) { foreach ($ep_query_append as $regex => $ep) { + if ( !empty($endpoint) ) { foreach ( (array) $ep_query_append as $regex => $ep ) { if ($ep[0] & EP_ATTACHMENT) { $rewrite[$sub1 . $regex] = $subquery . '?' . $ep[1] . $this->preg_index(2); $rewrite[$sub2 . $regex] = $subquery . '?' . $ep[1] . $this->preg_index(2); @@ -711,8 +1474,8 @@ class WP_Rewrite { //add regexes/queries for attachments, attachment trackbacks and so on if ( ! $page ) //require /attachment/stuff form for pages because of confusion with subpages - $rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery)); - $rewrite = array_merge($rewrite, array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery)); + $rewrite = array_merge($rewrite, array($sub1 => $subquery, $sub1tb => $subtbquery, $sub1feed => $subfeedquery, $sub1feed2 => $subfeedquery, $sub1comment => $subcommentquery)); + $rewrite = array_merge(array($sub2 => $subquery, $sub2tb => $subtbquery, $sub2feed => $subfeedquery, $sub2feed2 => $subfeedquery, $sub2comment => $subcommentquery), $rewrite); } } //if($num_toks) //add the rules for this dir to the accumulating $post_rewrite @@ -721,13 +1484,42 @@ class WP_Rewrite { return $post_rewrite; //the finished rules. phew! } + /** + * Generate Rewrite rules with permalink structure and walking directory only. + * + * Shorten version of {@link WP_Rewrite::generate_rewrite_rules()} that + * allows for shorter list of parameters. See the method for longer + * description of what generating rewrite rules does. + * + * @uses WP_Rewrite::generate_rewrite_rules() See for long description and rest of parameters. + * @since 1.5.0 + * @access public + * + * @param string $permalink_structure The permalink structure to generate rules. + * @param bool $walk_dirs Optional, default is false. Whether to create list of directories to walk over. + * @return array + */ function generate_rewrite_rule($permalink_structure, $walk_dirs = false) { return $this->generate_rewrite_rules($permalink_structure, EP_NONE, false, false, false, $walk_dirs); } - /* rewrite_rules + /** * Construct rewrite matches and queries from permalink structure. - * Returns an associate array of matches and queries. + * + * Runs the action 'generate_rewrite_rules' with the parameter that is an + * reference to the current WP_Rewrite instance to further manipulate the + * permalink structures and rewrite rules. Runs the 'rewrite_rules_array' + * filter on the full rewrite rule array. + * + * There are two ways to manipulate the rewrite rules, one by hooking into + * the 'generate_rewrite_rules' action and gaining full control of the + * object or just manipulating the rewrite rule array before it is passed + * from the function. + * + * @since 1.5.0 + * @access public + * + * @return array An associate array of matches and queries. */ function rewrite_rules() { $rewrite = array(); @@ -737,15 +1529,15 @@ class WP_Rewrite { } // robots.txt - $robots_rewrite = array('robots.txt$' => $this->index . '?robots=1'); + $robots_rewrite = array('robots\.txt$' => $this->index . '?robots=1'); //Default Feed rules - These are require to allow for the direct access files to work with permalink structure starting with %category% - $default_feeds = array( 'wp-atom.php$' => $this->index .'?feed=atom', - 'wp-rdf.php$' => $this->index .'?feed=rdf', - 'wp-rss.php$' => $this->index .'?feed=rss', - 'wp-rss2.php$' => $this->index .'?feed=rss2', - 'wp-feed.php$' => $this->index .'?feed=feed', - 'wp-commentsrss2.php$' => $this->index . '?feed=rss2&withcomments=1'); + $default_feeds = array( '.*wp-atom.php$' => $this->index .'?feed=atom', + '.*wp-rdf.php$' => $this->index .'?feed=rdf', + '.*wp-rss.php$' => $this->index .'?feed=rss', + '.*wp-rss2.php$' => $this->index .'?feed=rss2', + '.*wp-feed.php$' => $this->index .'?feed=feed', + '.*wp-commentsrss2.php$' => $this->index . '?feed=rss2&withcomments=1'); // Post $post_rewrite = $this->generate_rewrite_rules($this->permalink_structure, EP_PERMALINK); @@ -784,8 +1576,15 @@ class WP_Rewrite { $page_rewrite = $this->page_rewrite_rules(); $page_rewrite = apply_filters('page_rewrite_rules', $page_rewrite); + // Extra permastructs + foreach ( $this->extra_permastructs as $permastruct ) + $this->extra_rules_top = array_merge($this->extra_rules_top, $this->generate_rewrite_rules($permastruct, EP_NONE)); + // Put them together. - $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $default_feeds, $page_rewrite, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $tag_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $this->extra_rules); + if ( $this->use_verbose_page_rules ) + $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $default_feeds, $page_rewrite, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $tag_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $this->extra_rules); + else + $this->rules = array_merge($this->extra_rules_top, $robots_rewrite, $default_feeds, $root_rewrite, $comments_rewrite, $search_rewrite, $category_rewrite, $tag_rewrite, $author_rewrite, $date_rewrite, $post_rewrite, $page_rewrite, $this->extra_rules); do_action_ref_array('generate_rewrite_rules', array(&$this)); $this->rules = apply_filters('rewrite_rules_array', $this->rules); @@ -793,34 +1592,68 @@ class WP_Rewrite { return $this->rules; } + /** + * Retrieve the rewrite rules. + * + * The difference between this method and {@link + * WP_Rewrite::rewrite_rules()} is that this method stores the rewrite rules + * in the 'rewrite_rules' option and retrieves it. This prevents having to + * process all of the permalinks to get the rewrite rules in the form of + * caching. + * + * @since 1.5.0 + * @access public + * + * @return array Rewrite rules. + */ function wp_rewrite_rules() { - $this->rules = get_option('rewrite_rules'); + $this->rules = get_transient('rewrite_rules'); if ( empty($this->rules) ) { $this->matches = 'matches'; $this->rewrite_rules(); - update_option('rewrite_rules', $this->rules); + set_transient('rewrite_rules', $this->rules); } return $this->rules; } + /** + * Retrieve mod_rewrite formatted rewrite rules to write to .htaccess. + * + * Does not actually write to the .htaccess file, but creates the rules for + * the process that will. + * + * Will add the non_wp_rules property rules to the .htaccess file before + * the WordPress rewrite rules one. + * + * @since 1.5.0 + * @access public + * + * @return string + */ function mod_rewrite_rules() { if ( ! $this->using_permalinks()) { return ''; } $site_root = parse_url(get_option('siteurl')); - $site_root = trailingslashit($site_root['path']); + if ( isset( $site_root['path'] ) ) { + $site_root = trailingslashit($site_root['path']); + } $home_root = parse_url(get_option('home')); - $home_root = trailingslashit($home_root['path']); + if ( isset( $home_root['path'] ) ) { + $home_root = trailingslashit($home_root['path']); + } else { + $home_root = '/'; + } $rules = "\n"; $rules .= "RewriteEngine On\n"; $rules .= "RewriteBase $home_root\n"; //add in the rules that don't redirect to WP's index.php (and thus shouldn't be handled by WP at all) - foreach ($this->non_wp_rules as $match => $query) { + foreach ( (array) $this->non_wp_rules as $match => $query) { // Apache 1.3 does not support the reluctant (non-greedy) modifier. $match = str_replace('.+?', '.+', $match); @@ -841,7 +1674,7 @@ class WP_Rewrite { "RewriteCond %{REQUEST_FILENAME} -d\n" . "RewriteRule ^.*$ - [S=$num_rules]\n"; - foreach ($rewrite as $match => $query) { + foreach ( (array) $rewrite as $match => $query) { // Apache 1.3 does not support the reluctant (non-greedy) modifier. $match = str_replace('.+?', '.+', $match); @@ -871,7 +1704,49 @@ class WP_Rewrite { return $rules; } - //Add a straight rewrite rule + /** + * Retrieve IIS7 URL Rewrite formatted rewrite rules to write to web.config file. + * + * Does not actually write to the web.config file, but creates the rules for + * the process that will. + * + * @since 2.8.0 + * @access public + * + * @return string + */ + function iis7_url_rewrite_rules(){ + + if ( ! $this->using_permalinks()) { + return ''; + } + $rules = "\n"; + $rules .= " \n"; + $rules .= " \n"; + $rules .= " \n"; + $rules .= " \n"; + $rules .= " \n"; + $rules .= " \n"; + $rules .= ""; + + $rules = apply_filters('iis7_url_rewrite_rules', $rules); + + return $rules; + } + + /** + * Add a straight rewrite rule. + * + * Any value in the $after parameter that isn't 'bottom' will be placed at + * the top of the rules. + * + * @since 2.1.0 + * @access public + * + * @param string $regex Regular expression to match against request. + * @param string $redirect URL regex redirects to when regex matches request. + * @param string $after Optional, default is bottom. Location to place rule. + */ function add_rule($regex, $redirect, $after = 'bottom') { //get everything up to the first ? $index = (strpos($redirect, '?') == false ? strlen($redirect) : strpos($redirect, '?')); @@ -887,26 +1762,86 @@ class WP_Rewrite { } } - //add a rule that doesn't redirect to index.php + /** + * Add a rule that doesn't redirect to index.php. + * + * Can redirect to any place. + * + * @since 2.1.0 + * @access public + * + * @param string $regex Regular expression to match against request. + * @param string $redirect URL regex redirects to when regex matches request. + */ function add_external_rule($regex, $redirect) { $this->non_wp_rules[$regex] = $redirect; } - //add an endpoint, like /trackback/, to be inserted after certain URL types (specified in $places) + /** + * Add an endpoint, like /trackback/. + * + * To be inserted after certain URL types (specified in $places). + * + * @since 2.1.0 + * @access public + * + * @param string $name Name of endpoint. + * @param array $places URL types that endpoint can be used. + */ function add_endpoint($name, $places) { global $wp; $this->endpoints[] = array ( $places, $name ); $wp->add_query_var($name); } + /** + * Add permalink structure. + * + * These are added along with the extra rewrite rules that are merged to the + * top. + * + * @since unknown + * @access public + * + * @param string $name Name for permalink structure. + * @param string $struct Permalink structure. + * @param bool $with_front Prepend front base to permalink structure. + */ + function add_permastruct($name, $struct, $with_front = true) { + if ( $with_front ) + $struct = $this->front . $struct; + $this->extra_permastructs[$name] = $struct; + } + + /** + * Remove rewrite rules and then recreate rewrite rules. + * + * Calls {@link WP_Rewrite::wp_rewrite_rules()} after removing the + * 'rewrite_rules' option. If the function named 'save_mod_rewrite_rules' + * exists, it will be called. + * + * @since 2.0.1 + * @access public + */ function flush_rules() { - generate_page_uri_index(); - delete_option('rewrite_rules'); + delete_transient('rewrite_rules'); $this->wp_rewrite_rules(); if ( function_exists('save_mod_rewrite_rules') ) save_mod_rewrite_rules(); + if ( function_exists('iis7_save_url_rewrite_rules') ) + iis7_save_url_rewrite_rules(); } + /** + * Sets up the object's properties. + * + * The 'use_verbose_page_rules' object property will be set to true if the + * permalink structure begins with one of the following: '%postname%', '%category%', + * '%tag%', or '%author%'. + * + * @since 1.5.0 + * @access public + */ function init() { $this->extra_rules = $this->non_wp_rules = $this->endpoints = array(); $this->permalink_structure = get_option('permalink_structure'); @@ -925,15 +1860,49 @@ class WP_Rewrite { unset($this->feed_structure); unset($this->comment_feed_structure); $this->use_trailing_slashes = ( substr($this->permalink_structure, -1, 1) == '/' ) ? true : false; + + // Enable generic rules for pages if permalink structure doesn't begin with a wildcard. + if ( preg_match("/^[^%]*%(?:postname|category|tag|author)%/", $this->permalink_structure) ) + $this->use_verbose_page_rules = true; + else + $this->use_verbose_page_rules = false; } + /** + * Set the main permalink structure for the blog. + * + * Will update the 'permalink_structure' option, if there is a difference + * between the current permalink structure and the parameter value. Calls + * {@link WP_Rewrite::init()} after the option is updated. + * + * Fires the 'permalink_structure_changed' action once the init call has + * processed passing the old and new values + * + * @since 1.5.0 + * @access public + * + * @param string $permalink_structure Permalink structure. + */ function set_permalink_structure($permalink_structure) { if ($permalink_structure != $this->permalink_structure) { update_option('permalink_structure', $permalink_structure); $this->init(); + do_action('permalink_structure_changed', $this->permalink_structure, $permalink_structure); } } + /** + * Set the category base for the category permalink. + * + * Will update the 'category_base' option, if there is a difference between + * the current category base and the parameter value. Calls + * {@link WP_Rewrite::init()} after the option is updated. + * + * @since 1.5.0 + * @access public + * + * @param string $category_base Category permalink structure base. + */ function set_category_base($category_base) { if ($category_base != $this->category_base) { update_option('category_base', $category_base); @@ -941,6 +1910,18 @@ class WP_Rewrite { } } + /** + * Set the tag base for the tag permalink. + * + * Will update the 'tag_base' option, if there is a difference between the + * current tag base and the parameter value. Calls + * {@link WP_Rewrite::init()} after the option is updated. + * + * @since 2.3.0 + * @access public + * + * @param string $tag_base Tag permalink structure base. + */ function set_tag_base( $tag_base ) { if ( $tag_base != $this->tag_base ) { update_option( 'tag_base', $tag_base ); @@ -948,6 +1929,14 @@ class WP_Rewrite { } } + /** + * PHP4 Constructor - Calls init(), which runs setup. + * + * @since 1.5.0 + * @access public + * + * @return WP_Rewrite + */ function WP_Rewrite() { $this->init(); }