<?php
+/**
+ * Cache of the contents of localisation files.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
define( 'MW_LC_VERSION', 2 );
/**
* The persistent store object. An instance of LCStore.
+ *
+ * @var LCStore
*/
var $store;
*/
static public $preloadedKeys = array( 'dateFormats', 'namespaceNames' );
+ var $mergeableKeys = null;
+
/**
* Constructor.
* For constructor parameters, see the documentation in DefaultSettings.php
case 'db':
$storeClass = 'LCStore_DB';
break;
+ case 'accel':
+ $storeClass = 'LCStore_Accel';
+ break;
case 'detect':
$storeClass = $wgCacheDirectory ? 'LCStore_CDB' : 'LCStore_DB';
break;
/**
* Returns true if the given key is mergeable, that is, if it is an associative
* array which can be merged through a fallback sequence.
+ * @param $key
+ * @return bool
*/
public function isMergeableKey( $key ) {
- if ( !isset( $this->mergeableKeys ) ) {
+ if ( $this->mergeableKeys === null ) {
$this->mergeableKeys = array_flip( array_merge(
self::$mergeableMapKeys,
self::$mergeableListKeys,
*
* Warning: this may be slow for split items (messages), since it will
* need to fetch all of the subitems from the cache individually.
+ * @param $code
+ * @param $key
+ * @return mixed
*/
public function getItem( $code, $key ) {
if ( !isset( $this->loadedItems[$code][$key] ) ) {
/**
* Get a subitem, for instance a single message for a given language.
+ * @param $code
+ * @param $key
+ * @param $subkey
+ * @return null
*/
public function getSubitem( $code, $key, $subkey ) {
- if ( !isset( $this->loadedSubitems[$code][$key][$subkey] )
- && !isset( $this->loadedItems[$code][$key] ) )
- {
+ if ( !isset( $this->loadedSubitems[$code][$key][$subkey] ) &&
+ !isset( $this->loadedItems[$code][$key] ) ) {
wfProfileIn( __METHOD__.'-load' );
$this->loadSubitem( $code, $key, $subkey );
wfProfileOut( __METHOD__.'-load' );
*
* Will return null if the item is not found, or false if the item is not an
* array.
+ * @param $code
+ * @param $key
+ * @return bool|null|string
*/
public function getSubitemList( $code, $key ) {
if ( in_array( $key, self::$splitKeys ) ) {
/**
* Load an item into the cache.
+ * @param $code
+ * @param $key
*/
protected function loadItem( $code, $key ) {
if ( !isset( $this->initialisedLangs[$code] ) ) {
/**
* Load a subitem into the cache
+ * @param $code
+ * @param $key
+ * @param $subkey
+ * @return
*/
protected function loadSubitem( $code, $key, $subkey ) {
if ( !in_array( $key, self::$splitKeys ) ) {
}
// Check to see if initLanguage() loaded it for us
- if ( isset( $this->loadedItems[$code][$key] )
- || isset( $this->loadedSubitems[$code][$key][$subkey] ) )
- {
+ if ( isset( $this->loadedItems[$code][$key] ) ||
+ isset( $this->loadedSubitems[$code][$key][$subkey] ) ) {
return;
}
/**
* Returns true if the cache identified by $code is missing or expired.
+ * @return bool
*/
public function isExpired( $code ) {
if ( $this->forceRecache && !isset( $this->recachedLangs[$code] ) ) {
}
$deps = $this->store->get( $code, 'deps' );
- if ( $deps === null ) {
+ $keys = $this->store->get( $code, 'list', 'messages' );
+ $preload = $this->store->get( $code, 'preload' );
+ // Different keys may expire separately, at least in LCStore_Accel
+ if ( $deps === null || $keys === null || $preload === null ) {
wfDebug( __METHOD__."($code): cache missing, need to make one\n" );
return true;
}
/**
* Initialise a language in this object. Rebuild the cache if necessary.
+ * @param $code
*/
protected function initLanguage( $code ) {
if ( isset( $this->initialisedLangs[$code] ) ) {
/**
* Create a fallback from one language to another, without creating a
* complete persistent cache.
+ * @param $primaryCode
+ * @param $fallbackCode
*/
public function initShallowFallback( $primaryCode, $fallbackCode ) {
$this->data[$primaryCode] =& $this->data[$fallbackCode];
/**
* Read a PHP file containing localisation data.
+ * @param $_fileName
+ * @param $_fileType
+ * @return array
*/
protected function readPHPFile( $_fileName, $_fileType ) {
// Disable APC caching
/**
* Merge two localisation values, a primary and a fallback, overwriting the
* primary value in place.
+ * @param $key
+ * @param $value
+ * @param $fallbackValue
*/
protected function mergeItem( $key, &$value, $fallbackValue ) {
if ( !is_null( $value ) ) {
}
}
+ /**
+ * @param $value
+ * @param $fallbackValue
+ */
protected function mergeMagicWords( &$value, $fallbackValue ) {
foreach ( $fallbackValue as $magicName => $fallbackInfo ) {
if ( !isset( $value[$magicName] ) ) {
*
* Returns true if any data from the extension array was used, false
* otherwise.
+ * @param $codeSequence
+ * @param $key
+ * @param $value
+ * @param $fallbackValue
+ * @return bool
*/
protected function mergeExtensionItem( $codeSequence, $key, &$value, $fallbackValue ) {
$used = false;
/**
* Load localisation data for a given language for both core and extensions
* and save it to the persistent cache store and the process cache
+ * @param $code
*/
public function recache( $code ) {
- global $wgExtensionMessagesFiles, $wgExtensionAliasesFiles;
+ global $wgExtensionMessagesFiles;
wfProfileIn( __METHOD__ );
if ( !$code ) {
}
}
- # Load deprecated $wgExtensionAliasesFiles
- foreach ( $wgExtensionAliasesFiles as $fileName ) {
- $data = $this->readPHPFile( $fileName, 'aliases' );
-
- if ( !isset( $data['aliases'] ) ) {
- continue;
- }
-
- $used = $this->mergeExtensionItem( $codeSequence, 'specialPageAliases',
- $allData['specialPageAliases'], $data['aliases'] );
-
- if ( $used ) {
- $deps[] = new FileDependency( $fileName );
- }
- }
-
# Merge core data into extension data
foreach ( $coreData as $key => $item ) {
$this->mergeItem( $key, $allData[$key], $item );
# Add cache dependencies for any referenced globals
$deps['wgExtensionMessagesFiles'] = new GlobalDependency( 'wgExtensionMessagesFiles' );
- $deps['wgExtensionAliasesFiles'] = new GlobalDependency( 'wgExtensionAliasesFiles' );
$deps['version'] = new ConstantDependency( 'MW_LC_VERSION' );
# Add dependencies to the cache entry
*
* The preload item will be loaded automatically, improving performance
* for the commonly-requested items it contains.
+ * @param $data
+ * @return array
*/
protected function buildPreload( $data ) {
$preload = array( 'messages' => array() );
/**
* Unload the data for a given language from the object cache.
* Reduces memory usage.
+ * @param $code
*/
public function unload( $code ) {
unset( $this->data[$code] );
interface LCStore {
/**
* Get a value.
- * @param $code Language code
- * @param $key Cache key
+ * @param $code string Language code
+ * @param $key string Cache key
*/
function get( $code, $key );
/**
* Set a key to a given value. startWrite() must be called before this
* is called, and finishWrite() must be called afterwards.
+ * @param $key
+ * @param $value
*/
function set( $key, $value );
}
+/**
+ * LCStore implementation which uses PHP accelerator to store data.
+ * This will work if one of XCache, WinCache or APC cacher is configured.
+ * (See ObjectCache.php)
+ */
+class LCStore_Accel implements LCStore {
+ var $currentLang;
+ var $keys;
+
+ public function __construct() {
+ $this->cache = wfGetCache( CACHE_ACCEL );
+ }
+
+ public function get( $code, $key ) {
+ $k = wfMemcKey( 'l10n', $code, 'k', $key );
+ $r = $this->cache->get( $k );
+ return $r === false ? null : $r;
+ }
+
+ public function startWrite( $code ) {
+ $k = wfMemcKey( 'l10n', $code, 'l' );
+ $keys = $this->cache->get( $k );
+ if ( $keys ) {
+ foreach ( $keys as $k ) {
+ $this->cache->delete( $k );
+ }
+ }
+ $this->currentLang = $code;
+ $this->keys = array();
+ }
+
+ public function finishWrite() {
+ if ( $this->currentLang ) {
+ $k = wfMemcKey( 'l10n', $this->currentLang, 'l' );
+ $this->cache->set( $k, array_keys( $this->keys ) );
+ }
+ $this->currentLang = null;
+ $this->keys = array();
+ }
+
+ public function set( $key, $value ) {
+ if ( $this->currentLang ) {
+ $k = wfMemcKey( 'l10n', $this->currentLang, 'k', $key );
+ $this->keys[$k] = true;
+ $this->cache->set( $k, $value );
+ }
+ }
+}
+
/**
* LCStore implementation which uses the standard DB functions to store data.
* This will work on any MediaWiki installation.
class LCStore_DB implements LCStore {
var $currentLang;
var $writesDone = false;
- var $dbw, $batch;
+
+ /**
+ * @var DatabaseBase
+ */
+ var $dbw;
+ var $batch;
var $readOnly = false;
public function get( $code, $key ) {
$this->dbw = wfGetDB( DB_MASTER );
try {
- $this->dbw->begin();
+ $this->dbw->begin( __METHOD__ );
$this->dbw->delete( 'l10n_cache', array( 'lc_lang' => $code ), __METHOD__ );
} catch ( DBQueryError $e ) {
if ( $this->dbw->wasReadOnlyError() ) {
$this->readOnly = true;
- $this->dbw->rollback();
+ $this->dbw->rollback( __METHOD__ );
$this->dbw->ignoreErrors( false );
return;
} else {
$this->dbw->insert( 'l10n_cache', $this->batch, __METHOD__ );
}
- $this->dbw->commit();
+ $this->dbw->commit( __METHOD__ );
$this->currentLang = null;
$this->dbw = null;
$this->batch = array();
*/
var $maxLoadedLangs = 10;
+ /**
+ * @param $fileName
+ * @param $fileType
+ * @return array|mixed
+ */
protected function readPHPFile( $fileName, $fileType ) {
$serialize = $fileType === 'core';
if ( !isset( $this->fileCache[$fileName][$fileType] ) ) {
}
}
+ /**
+ * @param $code
+ * @param $key
+ * @return mixed
+ */
public function getItem( $code, $key ) {
unset( $this->mruLangs[$code] );
$this->mruLangs[$code] = true;
return parent::getItem( $code, $key );
}
+ /**
+ * @param $code
+ * @param $key
+ * @param $subkey
+ * @return
+ */
public function getSubitem( $code, $key, $subkey ) {
unset( $this->mruLangs[$code] );
$this->mruLangs[$code] = true;
return parent::getSubitem( $code, $key, $subkey );
}
+ /**
+ * @param $code
+ */
public function recache( $code ) {
parent::recache( $code );
unset( $this->mruLangs[$code] );
$this->trimCache();
}
+ /**
+ * @param $code
+ */
public function unload( $code ) {
unset( $this->mruLangs[$code] );
parent::unload( $code );
dépôts / lhc / web / wiklou.git / blobdiff