Tell regexp parser to use extra analysis on external link regexp;
[lhc/web/wiklou.git] / includes / MessageCache.php
index fed47f0..8f0fd46 100755 (executable)
@@ -23,12 +23,11 @@ class MessageCache
        var $mMemcKey, $mKeys, $mParserOptions, $mParser;
        var $mExtensionMessages;
        var $mInitialised = false;
-    var $mLang, $mLangCode;
-       function initialise( &$memCached, $useDB, $expiry, $memcPrefix, $langobj, $langcode) {
+
+       function initialise( &$memCached, $useDB, $expiry, $memcPrefix) {
                $fname = 'MessageCache::initialise';
                wfProfileIn( $fname );
-        $this->mLang = $langobj;
-        $this->mLangCode = $langcode;
+
                $this->mUseCache = !is_null( $memCached );
                $this->mMemc = &$memCached;
                $this->mDisable = !$useDB;
@@ -37,14 +36,14 @@ class MessageCache
                $this->mMemcKey = $memcPrefix.':messages';
                $this->mKeys = false; # initialised on demand
                $this->mInitialised = true;
-        $this->mIsForContent = $forContent;
+
                wfProfileIn( $fname.'-parseropt' );
                $this->mParserOptions = ParserOptions::newFromUser( $u=NULL );
                wfProfileOut( $fname.'-parseropt' );
                wfProfileIn( $fname.'-parser' );
                $this->mParser = new Parser;
                wfProfileOut( $fname.'-parser' );
-        
+
                $this->load();
                wfProfileOut( $fname );
        }
@@ -75,7 +74,7 @@ class MessageCache
                                wfDebug( "MessageCache::load(): loading all messages\n" );
                                $this->lock();
                                # Other threads don't need to load the messages if another thread is doing it.
-                               $success = $this->mMemc->set( $this->mMemcKey, "loading", MSG_LOAD_TIMEOUT );
+                               $success = $this->mMemc->add( $this->mMemcKey, "loading", MSG_LOAD_TIMEOUT );
                                if ( $success ) {
                                        wfProfileIn( $fname.'-load' );
                                        $this->loadFromDB();
@@ -118,16 +117,24 @@ class MessageCache
        }
 
        /**
-        * Loads all cacheable messages from the database
+        * Loads all or main part of cacheable messages from the database
         */
        function loadFromDB() {
-                       $fname = 'MessageCache::loadFromDB';
+               global $wgPartialMessageCache;
+               $fname = 'MessageCache::loadFromDB';
                $dbr =& wfGetDB( DB_SLAVE );
+               $conditions = array( 'cur_is_redirect' => 0, 
+                                       'cur_namespace' => NS_MEDIAWIKI);
+               if ($wgPartialMessageCache) {
+                       if (is_array($wgPartialMessageCache)) {
+                               $conditions['cur_title']=$wgPartialMessageCache;
+                       } else {
+                               require_once("MessageCacheHints.php");
+                               $conditions['cur_title']=MessageCacheHints::get();
+                       }
+               }
                $res = $dbr->select( 'cur',
-                       array( 'cur_title', 'cur_text' ),
-                       array( 'cur_is_redirect' => 0, 'cur_namespace' => NS_MEDIAWIKI ),
-                       $fname
-               );
+                       array( 'cur_title', 'cur_text' ), $conditions, $fname);
 
                $this->mCache = array();
                for ( $row = $dbr->fetchObject( $res ); $row; $row = $dbr->fetchObject( $res ) ) {
@@ -141,11 +148,11 @@ class MessageCache
         * Not really needed anymore
         */
        function getKeys() {
-               global $wgAllMessagesEn;
+               global $wgAllMessagesEn, $wgContLang;
                if ( !$this->mKeys ) {
                        $this->mKeys = array();
                        foreach ( $wgAllMessagesEn as $key => $value ) {
-                               array_push( $this->mKeys, $this->mLang->ucfirst( $key ) );
+                               array_push( $this->mKeys, $wgContLang->ucfirst( $key ) );
                        }
                }
                return $this->mKeys;
@@ -199,55 +206,80 @@ class MessageCache
                $this->mMemc->delete( $lockKey );
        }
 
-       function get( $key, $useDB ) {
-
+       function get( $key, $useDB, $forcontent=true ) {
+               global $wgContLanguageCode;
+               if( $forcontent ) {
+                       global $wgContLang;
+                       $lang =& $wgContLang;
+                       $langcode = $wgContLanguageCode;
+               } else {
+                       global $wgLang, $wgLanguageCode;
+                       $lang =& $wgLang;
+                       $langcode = $wgLanguageCode;
+               }
                # If uninitialised, someone is trying to call this halfway through Setup.php
-               if ( !$this->mInitialised ) {
+               if( !$this->mInitialised ) {
                        return "<$key>";
                }
 
                $message = false;
-               if ( !$this->mDisable && $useDB ) {
-                       $title = $this->mLang->ucfirst( $key );
-
+               if( !$this->mDisable && $useDB ) {
+                       $title = $lang->ucfirst( $key );
+                       if( $langcode != $wgContLanguageCode ) {
+                               $title .= '/' . $langcode;
+                       }
 
                        # Try the cache
-                       if ( $this->mUseCache && $this->mCache && array_key_exists( $title, $this->mCache ) ) {
+                       if( $this->mUseCache && $this->mCache && array_key_exists( $title, $this->mCache ) ) {
                                $message = $this->mCache[$title];
                        }
 
+                       if ( !$message && $this->mUseCache ) {
+                               $message = $this->mMemc->get( $this->mMemcKey . ':' . $title );
+                               if( $message ) {
+                                       $this->mCache[$title] = $message;
+                               }
+                       }
+
                        # If it wasn't in the cache, load each message from the DB individually
                        if ( !$message ) {
                                $dbr =& wfGetDB( DB_SLAVE );
-                               $result = $dbr->getArray( 'cur', array('cur_text'),
+                               $result = $dbr->selectRow( 'cur', array('cur_text'),
                                  array( 'cur_namespace' => NS_MEDIAWIKI, 'cur_title' => $title ),
                                  'MessageCache::get' );
                                if ( $result ) {
                                        $message = $result->cur_text;
+                                       if( $this->mUseCache ) {
+                                               $this->mCache[$title] = $message;
+                                               /* individual messages may be often 
+                                                  recached until proper purge code exists 
+                                               */
+                                               $this->mMemc->set( $this->mMemcKey . ':' . $title, $message, 300 );
+                                       }
                                }
                        }
                }
                # Try the extension array
-               if ( !$message ) {
+               if( !$message ) {
                        $message = @$this->mExtensionMessages[$key];
                }
 
                # Try the array in the language object
-               if ( !$message ) {
+               if( !$message ) {
                        wfSuppressWarnings();
-                       $message = $this->mLang->getMessage( $key );
+                       $message = $lang->getMessage( $key );
                        wfRestoreWarnings();
                }
 
                # Try the English array
-               if ( !$message && $this->mLangCode != 'en' ) {
+               if( !$message && $langcode != 'en' ) {
                        wfSuppressWarnings();
                        $message = Language::getMessage( $key );
                        wfRestoreWarnings();
                }
 
                # Final fallback
-               if ( !$message ) {
+               if( !$message ) {
                        $message = "<$key>";
                }
 
@@ -258,7 +290,7 @@ class MessageCache
 
        function transform( $message ) {
                if( !$this->mDisableTransform ) {
-                       if ( strstr( $message, '{{' ) !== false ) {
+                       if( strpos( $message, '{{' ) !== false ) {
                                $message = $this->mParser->transformMsg( $message, $this->mParserOptions );
                        }
                }