<?php
/**
*
- * @package MediaWiki
- * @subpackage Cache
+ * @addtogroup Cache
*/
-/** */
-require_once( 'Revision.php' );
-
/**
*
*/
define( 'MSG_LOAD_TIMEOUT', 60);
define( 'MSG_LOCK_TIMEOUT', 10);
define( 'MSG_WAIT_TIMEOUT', 10);
+define( 'MSG_CACHE_VERSION', 1 );
/**
* Message cache
- * Performs various useful MediaWiki namespace-related functions
+ * Performs various MediaWiki namespace-related functions
*
- * @package MediaWiki
*/
-class MessageCache
-{
+class MessageCache {
var $mCache, $mUseCache, $mDisable, $mExpiry;
var $mMemcKey, $mKeys, $mParserOptions, $mParser;
var $mExtensionMessages = array();
var $mInitialised = false;
var $mDeferred = true;
+ var $mAllMessagesLoaded;
- function initialise( &$memCached, $useDB, $expiry, $memcPrefix) {
- $fname = 'MessageCache::initialise';
- wfProfileIn( $fname );
+ function __construct( &$memCached, $useDB, $expiry, $memcPrefix) {
+ wfProfileIn( __METHOD__ );
$this->mUseCache = !is_null( $memCached );
$this->mMemc = &$memCached;
$this->mMemcKey = $memcPrefix.':messages';
$this->mKeys = false; # initialised on demand
$this->mInitialised = true;
-
- wfProfileIn( $fname.'-parseropt' );
- $this->mParserOptions = ParserOptions::newFromUser( $u=NULL );
- wfProfileOut( $fname.'-parseropt' );
- wfProfileIn( $fname.'-parser' );
- $this->mParser = new Parser;
- wfProfileOut( $fname.'-parser' );
+ $this->mParser = null;
# When we first get asked for a message,
# then we'll fill up the cache. If we
# some extra milliseconds
$this->mDeferred = true;
- wfProfileOut( $fname );
+ wfProfileOut( __METHOD__ );
+ }
+
+ function getParserOptions() {
+ if ( !$this->mParserOptions ) {
+ $this->mParserOptions = new ParserOptions;
+ }
+ return $this->mParserOptions;
+ }
+
+ /**
+ * Try to load the cache from a local file
+ */
+ function loadFromLocal( $hash ) {
+ global $wgLocalMessageCache;
+
+ $this->mCache = false;
+ if ( $wgLocalMessageCache === false ) {
+ return;
+ }
+
+ $filename = "$wgLocalMessageCache/messages-" . wfWikiID();
+
+ wfSuppressWarnings();
+ $file = fopen( $filename, 'r' );
+ wfRestoreWarnings();
+ if ( !$file ) {
+ return;
+ }
+
+ // Check to see if the file has the hash specified
+ $localHash = fread( $file, 32 );
+ if ( $hash == $localHash ) {
+ // All good, get the rest of it
+ $serialized = fread( $file, 10000000 );
+ $this->setCache( unserialize( $serialized ) );
+ }
+ fclose( $file );
+ }
+
+ /**
+ * Save the cache to a local file
+ */
+ function saveToLocal( $serialized, $hash ) {
+ global $wgLocalMessageCache;
+
+ if ( $wgLocalMessageCache === false ) {
+ return;
+ }
+
+ $filename = "$wgLocalMessageCache/messages-" . wfWikiID();
+ $oldUmask = umask( 0 );
+ wfMkdirParents( $wgLocalMessageCache, 0777 );
+ umask( $oldUmask );
+
+ $file = fopen( $filename, 'w' );
+ if ( !$file ) {
+ wfDebug( "Unable to open local cache file for writing\n" );
+ return;
+ }
+
+ fwrite( $file, $hash . $serialized );
+ fclose( $file );
+ @chmod( $filename, 0666 );
+ }
+
+ function loadFromScript( $hash ) {
+ global $wgLocalMessageCache;
+ if ( $wgLocalMessageCache === false ) {
+ return;
+ }
+
+ $filename = "$wgLocalMessageCache/messages-" . wfWikiID();
+
+ wfSuppressWarnings();
+ $file = fopen( $filename, 'r' );
+ wfRestoreWarnings();
+ if ( !$file ) {
+ return;
+ }
+ $localHash=substr(fread($file,40),8);
+ fclose($file);
+ if ($hash!=$localHash) {
+ return;
+ }
+ require("$wgLocalMessageCache/messages-" . wfWikiID());
+ $this->setCache( $this->mCache);
+ }
+
+ function saveToScript($array, $hash) {
+ global $wgLocalMessageCache;
+ if ( $wgLocalMessageCache === false ) {
+ return;
+ }
+
+ $filename = "$wgLocalMessageCache/messages-" . wfWikiID();
+ $oldUmask = umask( 0 );
+ wfMkdirParents( $wgLocalMessageCache, 0777 );
+ umask( $oldUmask );
+ $file = fopen( $filename.'.tmp', 'w');
+ fwrite($file,"<?php\n//$hash\n\n \$this->mCache = array(");
+
+ foreach ($array as $key => $message) {
+ fwrite($file, "'". $this->escapeForScript($key).
+ "' => '" . $this->escapeForScript($message).
+ "',\n");
+ }
+ fwrite($file,");\n?>");
+ fclose($file);
+ rename($filename.'.tmp',$filename);
+ }
+
+ function escapeForScript($string) {
+ $string = str_replace( '\\', '\\\\', $string );
+ $string = str_replace( '\'', '\\\'', $string );
+ return $string;
+ }
+
+ /**
+ * Set the cache to $cache, if it is valid. Otherwise set the cache to false.
+ */
+ function setCache( $cache ) {
+ if ( isset( $cache['VERSION'] ) && $cache['VERSION'] == MSG_CACHE_VERSION ) {
+ $this->mCache = $cache;
+ } else {
+ $this->mCache = false;
+ }
}
/**
* Returns false for a reportable error, true otherwise
*/
function load() {
- global $wgAllMessagesEn;
+ global $wgLocalMessageCache, $wgLocalMessageCacheSerialized;
if ( $this->mDisable ) {
static $shownDisabled = false;
}
return true;
}
+ if ( !$this->mUseCache ) {
+ $this->mDeferred = false;
+ return true;
+ }
+
$fname = 'MessageCache::load';
wfProfileIn( $fname );
$success = true;
- if ( $this->mUseCache ) {
- wfProfileIn( $fname.'-fromcache' );
- $this->mCache = $this->mMemc->get( $this->mMemcKey );
- wfProfileOut( $fname.'-fromcache' );
+ $this->mCache = false;
- # If there's nothing in memcached, load all the messages from the database
- if ( !$this->mCache ) {
- 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->add( $this->mMemcKey.'-status', "loading", MSG_LOAD_TIMEOUT );
- if ( $success ) {
- wfProfileIn( $fname.'-load' );
- $this->loadFromDB();
- wfProfileOut( $fname.'-load' );
- # Save in memcached
- # Keep trying if it fails, this is kind of important
- wfProfileIn( $fname.'-save' );
- for ($i=0; $i<20 &&
- !$this->mMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry );
- $i++ ) {
- usleep(mt_rand(500000,1500000));
+ # Try local cache
+ wfProfileIn( $fname.'-fromlocal' );
+ $hash = $this->mMemc->get( "{$this->mMemcKey}-hash" );
+ if ( $hash ) {
+ if ($wgLocalMessageCacheSerialized) {
+ $this->loadFromLocal( $hash );
+ } else {
+ $this->loadFromScript( $hash );
+ }
+ if ( $this->mCache ) {
+ wfDebug( "MessageCache::load(): got from local cache\n" );
+ }
+ }
+ wfProfileOut( $fname.'-fromlocal' );
+
+ # Try memcached
+ if ( !$this->mCache ) {
+ wfProfileIn( $fname.'-fromcache' );
+ $this->setCache( $this->mMemc->get( $this->mMemcKey ) );
+ if ( $this->mCache ) {
+ wfDebug( "MessageCache::load(): got from global cache\n" );
+ # Save to local cache
+ if ( $wgLocalMessageCache !== false ) {
+ $serialized = serialize( $this->mCache );
+ if ( !$hash ) {
+ $hash = md5( $serialized );
+ $this->mMemc->set( "{$this->mMemcKey}-hash", $hash, $this->mExpiry );
}
- wfProfileOut( $fname.'-save' );
- if ( $i == 20 ) {
- $this->mMemc->set( $this->mMemcKey.'-status', 'error', 60*5 );
- wfDebug( "MemCached set error in MessageCache: restart memcached server!\n" );
+ if ($wgLocalMessageCacheSerialized) {
+ $this->saveToLocal( $serialized,$hash );
+ } else {
+ $this->saveToScript( $this->mCache, $hash );
}
}
- $this->unlock();
}
+ wfProfileOut( $fname.'-fromcache' );
+ }
+
- if ( !is_array( $this->mCache ) ) {
- wfDebug( "MessageCache::load(): individual message mode\n" );
- # If it is 'loading' or 'error', switch to individual message mode, otherwise disable
- # Causing too much DB load, disabling -- TS
- $this->mDisable = true;
- /*
- if ( $this->mCache == "loading" ) {
- $this->mUseCache = false;
- } elseif ( $this->mCache == "error" ) {
- $this->mUseCache = false;
- $success = false;
+ # If there's nothing in memcached, load all the messages from the database
+ if ( !$this->mCache ) {
+ wfDebug( "MessageCache::load(): cache is empty\n" );
+ $this->lock();
+ # Other threads don't need to load the messages if another thread is doing it.
+ $success = $this->mMemc->add( $this->mMemcKey.'-status', "loading", MSG_LOAD_TIMEOUT );
+ if ( $success ) {
+ wfProfileIn( $fname.'-load' );
+ wfDebug( "MessageCache::load(): loading all messages from DB\n" );
+ $this->loadFromDB();
+ wfProfileOut( $fname.'-load' );
+
+ # Save in memcached
+ # Keep trying if it fails, this is kind of important
+ wfProfileIn( $fname.'-save' );
+ for ($i=0; $i<20 &&
+ !$this->mMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry );
+ $i++ ) {
+ usleep(mt_rand(500000,1500000));
+ }
+
+ # Save to local cache
+ if ( $wgLocalMessageCache !== false ) {
+ $serialized = serialize( $this->mCache );
+ $hash = md5( $serialized );
+ $this->mMemc->set( "{$this->mMemcKey}-hash", $hash, $this->mExpiry );
+ if ($wgLocalMessageCacheSerialized) {
+ $this->saveToLocal( $serialized,$hash );
+ } else {
+ $this->saveToScript( $this->mCache, $hash );
+ }
+ }
+
+ wfProfileOut( $fname.'-save' );
+ if ( $i == 20 ) {
+ $this->mMemc->set( $this->mMemcKey.'-status', 'error', 60*5 );
+ wfDebug( "MemCached set error in MessageCache: restart memcached server!\n" );
} else {
- $this->mDisable = true;
- $success = false;
- }*/
- $this->mCache = false;
+ $this->mMemc->delete( $this->mMemcKey.'-status' );
+ }
}
+ $this->unlock();
+ }
+
+ if ( !is_array( $this->mCache ) ) {
+ wfDebug( "MessageCache::load(): unable to load cache, disabled\n" );
+ $this->mDisable = true;
+ $this->mCache = false;
}
wfProfileOut( $fname );
$this->mDeferred = false;
* Loads all or main part of cacheable messages from the database
*/
function loadFromDB() {
- $fname = 'MessageCache::loadFromDB';
- $dbr =& wfGetDB( DB_SLAVE );
- $conditions = array( 'page_is_redirect' => 0,
- 'page_namespace' => NS_MEDIAWIKI);
+ global $wgMaxMsgCacheEntrySize;
+
+ wfProfileIn( __METHOD__ );
+ $dbr = wfGetDB( DB_SLAVE );
+ $this->mCache = array();
+
+ # Load titles for all oversized pages in the MediaWiki namespace
+ $res = $dbr->select( 'page', 'page_title',
+ array(
+ 'page_len > ' . intval( $wgMaxMsgCacheEntrySize ),
+ 'page_is_redirect' => 0,
+ 'page_namespace' => NS_MEDIAWIKI,
+ ),
+ __METHOD__ );
+ while ( $row = $dbr->fetchObject( $res ) ) {
+ $this->mCache[$row->page_title] = '!TOO BIG';
+ }
+ $dbr->freeResult( $res );
+
+ # Load text for the remaining pages
$res = $dbr->select( array( 'page', 'revision', 'text' ),
array( 'page_title', 'old_text', 'old_flags' ),
- 'page_is_redirect=0 AND page_namespace='.NS_MEDIAWIKI.' AND page_latest=rev_id AND rev_text_id=old_id',
- $fname
- );
+ array(
+ 'page_is_redirect' => 0,
+ 'page_namespace' => NS_MEDIAWIKI,
+ 'page_latest=rev_id',
+ 'rev_text_id=old_id',
+ 'page_len <= ' . intval( $wgMaxMsgCacheEntrySize ) ),
+ __METHOD__ );
- $this->mCache = array();
for ( $row = $dbr->fetchObject( $res ); $row; $row = $dbr->fetchObject( $res ) ) {
- $this->mCache[$row->page_title] = Revision::getRevisionText( $row );
+ $this->mCache[$row->page_title] = ' ' . Revision::getRevisionText( $row );
}
-
+ $this->mCache['VERSION'] = MSG_CACHE_VERSION;
$dbr->freeResult( $res );
- /*
- # FIXME: This is too slow currently.
- # We need to bulk-fetch revisions, but in a portable way...
- $resultSet = Revision::fetchFromConds( $dbr, array(
- 'page_namespace' => NS_MEDIAWIKI,
- 'page_is_redirect' => 0,
- 'page_id=rev_page' ) );
- while( $row = $resultSet->fetchObject() ) {
- $revision = new Revision( $row );
- $title = $revision->getTitle();
- $this->mCache[$title->getDBkey()] = $revision->getText();
- }
- $resultSet->free();
- */
+ wfProfileOut( __METHOD__ );
}
/**
* Not really needed anymore
*/
function getKeys() {
- global $wgAllMessagesEn, $wgContLang;
+ global $wgContLang;
if ( !$this->mKeys ) {
$this->mKeys = array();
- foreach ( $wgAllMessagesEn as $key => $value ) {
+ $allMessages = Language::getMessagesFor( 'en' );
+ foreach ( $allMessages as $key => $unused ) {
$title = $wgContLang->ucfirst( $key );
array_push( $this->mKeys, $title );
}
return $this->mKeys;
}
- /**
- * @deprecated
- */
- function isCacheable( $key ) {
- return true;
- }
-
function replace( $title, $text ) {
+ global $wgLocalMessageCache, $wgLocalMessageCacheSerialized, $parserMemc;
+ global $wgMaxMsgCacheEntrySize;
+
+ wfProfileIn( __METHOD__ );
$this->lock();
$this->load();
+ $parserMemc->delete(wfMemcKey('sidebar'));
if ( is_array( $this->mCache ) ) {
- $this->mCache[$title] = $text;
+ if ( $text === false ) {
+ # Article was deleted
+ unset( $this->mCache[$title] );
+ $this->mMemc->delete( "$this->mMemcKey:{$title}" );
+ } elseif ( strlen( $text ) > $wgMaxMsgCacheEntrySize ) {
+ $this->mCache[$title] = '!TOO BIG';
+ $this->mMemc->set( "$this->mMemcKey:{$title}", ' '.$text, $this->mExpiry );
+ } else {
+ $this->mCache[$title] = ' ' . $text;
+ $this->mMemc->delete( "$this->mMemcKey:{$title}" );
+ }
$this->mMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry );
+
+ # Save to local cache
+ if ( $wgLocalMessageCache !== false ) {
+ $serialized = serialize( $this->mCache );
+ $hash = md5( $serialized );
+ $this->mMemc->set( "{$this->mMemcKey}-hash", $hash, $this->mExpiry );
+ if ($wgLocalMessageCacheSerialized) {
+ $this->saveToLocal( $serialized,$hash );
+ } else {
+ $this->saveToScript( $this->mCache, $hash );
+ }
+ }
}
$this->unlock();
+ wfProfileOut( __METHOD__ );
}
/**
$this->mMemc->delete( $lockKey );
}
- function get( $key, $useDB, $forcontent=true, $isfullkey = false ) {
- global $wgContLanguageCode;
- if( $forcontent ) {
- global $wgContLang;
+ /**
+ * Get a message from either the content language or the user language.
+ *
+ * @param string $key The message cache key
+ * @param bool $useDB Get the message from the DB, false to use only the localisation
+ * @param bool $forContent Get the message from the content language rather than the
+ * user language
+ * @param bool $isFullKey Specifies whether $key is a two part key "lang/msg".
+ */
+ function get( $key, $useDB = true, $forContent = true, $isFullKey = false ) {
+ global $wgContLanguageCode, $wgContLang, $wgLang;
+ if( $forContent ) {
$lang =& $wgContLang;
- $langcode = $wgContLanguageCode;
} else {
- global $wgLang, $wgLanguageCode;
$lang =& $wgLang;
- $langcode = $wgLanguageCode;
}
+ $langcode = $lang->getCode();
# If uninitialised, someone is trying to call this halfway through Setup.php
if( !$this->mInitialised ) {
return '<' . htmlspecialchars($key) . '>';
}
# If cache initialization was deferred, start it now.
- if( $this->mDeferred ) {
+ if( $this->mDeferred && !$this->mDisable && $useDB ) {
$this->load();
}
$message = false;
+
+ # Normalise title-case input
+ $lckey = $wgContLang->lcfirst( $key );
+ $lckey = str_replace( ' ', '_', $lckey );
+
+ # Try the MediaWiki namespace
if( !$this->mDisable && $useDB ) {
- $title = $lang->ucfirst( $key );
- if(!$isfullkey && ($langcode != $wgContLanguageCode) ) {
+ $title = $wgContLang->ucfirst( $lckey );
+ if(!$isFullKey && ($langcode != $wgContLanguageCode) ) {
$title .= '/' . $langcode;
}
- $message = $this->getFromCache( $title );
+ $message = $this->getMsgFromNamespace( $title );
}
# Try the extension array
- if( !$message ) {
- $message = @$this->mExtensionMessages[$key];
+ if( $message === false && isset( $this->mExtensionMessages[$langcode][$lckey] ) ) {
+ $message = $this->mExtensionMessages[$langcode][$lckey];
+ }
+ if ( $message === false && isset( $this->mExtensionMessages['en'][$lckey] ) ) {
+ $message = $this->mExtensionMessages['en'][$lckey];
}
# Try the array in the language object
- if( !$message ) {
+ if( $message === false ) {
+ #wfDebug( "Trying language object for message $key\n" );
wfSuppressWarnings();
- $message = $lang->getMessage( $key );
+ $message = $lang->getMessage( $lckey );
wfRestoreWarnings();
+ if ( is_null( $message ) ) {
+ $message = false;
+ }
}
- # Try the English array
- if( !$message && $langcode != 'en' ) {
- wfSuppressWarnings();
- $message = Language::getMessage( $key );
- wfRestoreWarnings();
+ # Try the array of another language
+ if( $message === false && strpos( $lckey, '/' ) ) {
+ $message = explode( '/', $lckey );
+ if ( $message[1] ) {
+ wfSuppressWarnings();
+ $message = Language::getMessageFor( $message[0], $message[1] );
+ wfRestoreWarnings();
+ if ( is_null( $message ) ) {
+ $message = false;
+ }
+ } else {
+ $message = false;
+ }
}
# Is this a custom message? Try the default language in the db...
- if( !$message &&
+ if( ($message === false || $message === '-' ) &&
!$this->mDisable && $useDB &&
- !$isfullkey && ($langcode != $wgContLanguageCode) ) {
- $message = $this->getFromCache( $lang->ucfirst( $key ) );
+ !$isFullKey && ($langcode != $wgContLanguageCode) ) {
+ $message = $this->getMsgFromNamespace( $wgContLang->ucfirst( $lckey ) );
}
# Final fallback
- if( !$message ) {
+ if( $message === false ) {
return '<' . htmlspecialchars($key) . '>';
}
return $message;
}
- function getFromCache( $title ) {
+ /**
+ * Get a message from the MediaWiki namespace, with caching. The key must
+ * first be converted to two-part lang/msg form if necessary.
+ *
+ * @param string $title Message cache key with initial uppercase letter
+ */
+ function getMsgFromNamespace( $title ) {
$message = false;
+ $type = false;
# Try the cache
- if( $this->mUseCache && is_array( $this->mCache ) && array_key_exists( $title, $this->mCache ) ) {
- $message = $this->mCache[$title];
+ if( $this->mUseCache && isset( $this->mCache[$title] ) ) {
+ $entry = $this->mCache[$title];
+ $type = substr( $entry, 0, 1 );
+ if ( $type == ' ' ) {
+ return substr( $entry, 1 );
+ }
}
- if ( !$message && $this->mUseCache ) {
- $message = $this->mMemc->get( $this->mMemcKey . ':' . $title );
- if( $message ) {
- $this->mCache[$title] = $message;
- }
+ # Call message hooks, in case they are defined
+ wfRunHooks('MessagesPreLoad', array( $title, &$message ) );
+ if ( $message !== false ) {
+ return $message;
+ }
+
+ # If there is no cache entry and no placeholder, it doesn't exist
+ if ( $type != '!' && $message === false ) {
+ return false;
}
- # Call message Hooks, in case they are defined
- wfRunHooks('MessagesPreLoad',array($title,&$message));
-
- # If it wasn't in the cache, load each message from the DB individually
- if ( !$message ) {
- $revision = Revision::newFromTitle( Title::makeTitle( NS_MEDIAWIKI, $title ) );
- if( $revision ) {
- $message = $revision->getText();
- if ($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 );
+ $memcKey = $this->mMemcKey . ':' . $title;
+
+ # Try the individual message cache
+ if ( $this->mUseCache ) {
+ $entry = $this->mMemc->get( $memcKey );
+ if ( $entry ) {
+ $type = substr( $entry, 0, 1 );
+
+ if ( $type == ' ' ) {
+ $message = substr( $entry, 1 );
+ $this->mCache[$title] = $entry;
+ return $message;
+ } elseif ( $entry == '!NONEXISTENT' ) {
+ return false;
+ } else {
+ # Corrupt/obsolete entry, delete it
+ $this->mMemc->delete( $memcKey );
}
+
+ }
+ }
+
+ # Try loading it from the DB
+ $revision = Revision::newFromTitle( Title::makeTitle( NS_MEDIAWIKI, $title ) );
+ if( $revision ) {
+ $message = $revision->getText();
+ if ($this->mUseCache) {
+ $this->mCache[$title] = ' ' . $message;
+ $this->mMemc->set( $memcKey, $message, $this->mExpiry );
}
+ } else {
+ # Negative caching
+ # Use some special text instead of false, because false gets converted to '' somewhere
+ $this->mMemc->set( $memcKey, '!NONEXISTENT', $this->mExpiry );
+ $this->mCache[$title] = false;
}
return $message;
}
function transform( $message ) {
- if( !$this->mDisableTransform ) {
+ global $wgParser;
+ if ( !$this->mParser && isset( $wgParser ) ) {
+ # Do some initialisation so that we don't have to do it twice
+ $wgParser->firstCallInit();
+ # Clone it and store it
+ $this->mParser = clone $wgParser;
+ }
+ if ( !$this->mDisableTransform && $this->mParser ) {
if( strpos( $message, '{{' ) !== false ) {
- $message = $this->mParser->transformMsg( $message, $this->mParserOptions );
+ $message = $this->mParser->transformMsg( $message, $this->getParserOptions() );
}
}
return $message;
function enable() { $this->mDisable = false; }
function disableTransform() { $this->mDisableTransform = true; }
function enableTransform() { $this->mDisableTransform = false; }
+ function setTransform( $x ) { $this->mDisableTransform = $x; }
+ function getTransform() { return $this->mDisableTransform; }
/**
* Add a message to the cache
*
* @param mixed $key
* @param mixed $value
+ * @param string $lang The messages language, English by default
*/
- function addMessage( $key, $value ) {
- $this->mExtensionMessages[$key] = $value;
+ function addMessage( $key, $value, $lang = 'en' ) {
+ $this->mExtensionMessages[$lang][$key] = $value;
}
/**
* Add an associative array of message to the cache
*
* @param array $messages An associative array of key => values to be added
+ * @param string $lang The messages language, English by default
*/
- function addMessages( $messages ) {
+ function addMessages( $messages, $lang = 'en' ) {
+ wfProfileIn( __METHOD__ );
+ if ( isset( $this->mExtensionMessages[$lang] ) ) {
+ $this->mExtensionMessages[$lang] = $messages + $this->mExtensionMessages[$lang];
+ } else {
+ $this->mExtensionMessages[$lang] = $messages;
+ }
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Add a 2-D array of messages by lang. Useful for extensions.
+ *
+ * @param array $messages The array to be added
+ */
+ function addMessagesByLang( $messages ) {
+ wfProfileIn( __METHOD__ );
foreach ( $messages as $key => $value ) {
- $this->addMessage( $key, $value );
+ $this->addMessages( $value, $key );
}
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Get the extension messages for a specific language
+ *
+ * @param string $lang The messages language, English by default
+ */
+ function getExtensionMessagesFor( $lang = 'en' ) {
+ wfProfileIn( __METHOD__ );
+ $messages = array();
+ if ( isset( $this->mExtensionMessages[$lang] ) ) {
+ $messages = $this->mExtensionMessages[$lang];
+ }
+ if ( $lang != 'en' ) {
+ $messages = $messages + $this->mExtensionMessages['en'];
+ }
+ wfProfileOut( __METHOD__ );
+ return $messages;
}
/**
* Clear all stored messages. Mainly used after a mass rebuild.
*/
function clear() {
+ global $wgLocalMessageCache;
if( $this->mUseCache ) {
+ # Global cache
$this->mMemc->delete( $this->mMemcKey );
+ # Invalidate all local caches
+ $this->mMemc->delete( "{$this->mMemcKey}-hash" );
+ }
+ }
+
+ function loadAllMessages() {
+ global $wgExtensionMessagesFiles;
+ if ( $this->mAllMessagesLoaded ) {
+ return;
+ }
+ $this->mAllMessagesLoaded = true;
+
+ # Some extensions will load their messages when you load their class file
+ wfLoadAllExtensions();
+ # Others will respond to this hook
+ wfRunHooks( 'LoadAllMessages' );
+ # Some register their messages in $wgExtensionMessagesFiles
+ foreach ( $wgExtensionMessagesFiles as $name => $file ) {
+ if ( $file ) {
+ $this->loadMessagesFile( $file );
+ $wgExtensionMessagesFiles[$name] = false;
+ }
+ }
+ # Still others will respond to neither, they are EVIL. We sometimes need to know!
+ }
+
+ /**
+ * Load messages from a given file
+ */
+ function loadMessagesFile( $filename ) {
+ $magicWords = false;
+ require( $filename );
+ $this->addMessagesByLang( $messages );
+
+ if ( $magicWords !== false ) {
+ global $wgContLang;
+ $wgContLang->addMagicWordsByLang( $magicWords );
}
}
}
-?>
+
scripts.mit.edu / autoinstalls / mediawiki.git / blobdiff