<?php
/**
- *
- * @package MediaWiki
- * @subpackage Cache
+ * @file
+ * @ingroup Cache
*/
/**
/**
* Message cache
* Performs various MediaWiki namespace-related functions
- *
- * @package MediaWiki
+ * @ingroup Cache
*/
class MessageCache {
var $mCache, $mUseCache, $mDisable, $mExpiry;
var $mExtensionMessages = array();
var $mInitialised = false;
var $mDeferred = true;
+ var $mAllMessagesLoaded;
function __construct( &$memCached, $useDB, $expiry, $memcPrefix) {
wfProfileIn( __METHOD__ );
* Try to load the cache from a local file
*/
function loadFromLocal( $hash ) {
- global $wgLocalMessageCache;
+ global $wgLocalMessageCache, $wgLocalMessageCacheSerialized;
- $this->mCache = false;
if ( $wgLocalMessageCache === false ) {
return;
}
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 ) );
+ if ( $wgLocalMessageCacheSerialized ) {
+ // 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 = '';
+ while ( !feof( $file ) ) {
+ $serialized .= fread( $file, 100000 );
+ }
+ $this->setCache( unserialize( $serialized ) );
+ }
+ fclose( $file );
+ } else {
+ $localHash=substr(fread($file,40),8);
+ fclose($file);
+ if ($hash!=$localHash) {
+ return;
+ }
+
+ require("$wgLocalMessageCache/messages-" . wfWikiID());
+ $this->setCache( $this->mCache);
}
- fclose( $file );
}
/**
* Save the cache to a local file
*/
function saveToLocal( $serialized, $hash ) {
- global $wgLocalMessageCache;
+ global $wgLocalMessageCache, $wgLocalMessageCacheSerialized;
if ( $wgLocalMessageCache === false ) {
return;
}
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);
+ wfDeprecated( __METHOD__ );
+ $this->loadFromLocal( $hash );
}
-
+
function saveToScript($array, $hash) {
global $wgLocalMessageCache;
if ( $wgLocalMessageCache === false ) {
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).
+ "' => '" . $this->escapeForScript($message).
"',\n");
}
fwrite($file,");\n?>");
$this->mCache = false;
# Try local cache
- wfProfileIn( $fname.'-fromlocal' );
- $hash = $this->mMemc->get( "{$this->mMemcKey}-hash" );
- if ( $hash ) {
- if ($wgLocalMessageCacheSerialized) {
+ if ( $wgLocalMessageCache !== false ) {
+ wfProfileIn( $fname.'-fromlocal' );
+ $hash = $this->mMemc->get( "{$this->mMemcKey}-hash" );
+ if ( $hash ) {
$this->loadFromLocal( $hash );
- } else {
- $this->loadFromScript( $hash );
- }
- if ( $this->mCache ) {
- wfDebug( "MessageCache::load(): got from local cache\n" );
+ if ( $this->mCache ) {
+ wfDebug( "MessageCache::load(): got from local cache\n" );
+ }
}
+ wfProfileOut( $fname.'-fromlocal' );
}
- wfProfileOut( $fname.'-fromlocal' );
# Try memcached
if ( !$this->mCache ) {
* Loads all or main part of cacheable messages from the database
*/
function loadFromDB() {
- global $wgLang, $wgMaxMsgCacheEntrySize;
+ global $wgMaxMsgCacheEntrySize;
wfProfileIn( __METHOD__ );
- $dbr =& wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_SLAVE );
$this->mCache = array();
# Load titles for all oversized pages in the MediaWiki namespace
$res = $dbr->select( 'page', 'page_title',
- array(
+ 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';
# Load text for the remaining pages
$res = $dbr->select( array( 'page', 'revision', 'text' ),
array( 'page_title', 'old_text', 'old_flags' ),
- array(
+ array(
'page_is_redirect' => 0,
'page_namespace' => NS_MEDIAWIKI,
'page_latest=rev_id',
'rev_text_id=old_id',
- 'page_len <= ' . intval( $wgMaxMsgCacheEntrySize ) ),
+ 'page_len <= ' . intval( $wgMaxMsgCacheEntrySize ) ),
__METHOD__ );
for ( $row = $dbr->fetchObject( $res ); $row; $row = $dbr->fetchObject( $res ) ) {
wfProfileOut( __METHOD__ );
}
- /**
- * Not really needed anymore
- */
- function getKeys() {
- global $wgContLang;
- if ( !$this->mKeys ) {
- $this->mKeys = array();
- $allMessages = Language::getMessagesFor( 'en' );
- foreach ( $allMessages as $key => $unused ) {
- $title = $wgContLang->ucfirst( $key );
- array_push( $this->mKeys, $title );
- }
- }
- return $this->mKeys;
- }
-
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 ) ) {
if ( $text === false ) {
# Article was deleted
}
}
$this->unlock();
+ $parserMemc->delete(wfMemcKey('sidebar'));
wfProfileOut( __METHOD__ );
}
*
* @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 string $langcode Code of the language to get the message for, if
+ * it is a valid code create a language for that
+ * language, if it is a string but not a valid code
+ * then make a basic language object, if it is a
+ * false boolean then use the current users
+ * language (as a fallback for the old parameter
+ * functionality), or if it is a true boolean then
+ * use the wikis content language (also as a
+ * fallback).
* @param bool $isFullKey Specifies whether $key is a two part key "lang/msg".
*/
- function get( $key, $useDB = true, $forContent = true, $isFullKey = false ) {
+ function get( $key, $useDB = true, $langcode = true, $isFullKey = false ) {
global $wgContLanguageCode, $wgContLang, $wgLang;
- if( $forContent ) {
+
+ # Identify which language to get or create a language object for.
+ if( $langcode === $wgContLang->getCode() || $langcode === true ) {
+ # $langcode is the language code of the wikis content language object.
+ # or it is a boolean and value is true
$lang =& $wgContLang;
- } else {
+ } elseif( $langcode === $wgLang->getCode() || $langcode === false ) {
+ # $langcode is the language code of user language object.
+ # or it was a boolean and value is false
$lang =& $wgLang;
+ } else {
+ $validCodes = array_keys( Language::getLanguageNames() );
+ if( in_array( $langcode, $validCodes ) ) {
+ # $langcode corresponds to a valid language.
+ $lang = Language::factory( $langcode );
+ } else {
+ # $langcode is a string, but not a valid language code; use content language.
+ $lang =& $wgContLang;
+ wfDebug( 'Invalid language code passed to MessageCache::get, falling back to content language.' );
+ }
}
+
$langcode = $lang->getCode();
+
# If uninitialised, someone is trying to call this halfway through Setup.php
if( !$this->mInitialised ) {
return '<' . htmlspecialchars($key) . '>';
}
# 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;
+ $pos = strrpos( $lckey, '/' );
+ if( $message === false && $pos !== false) {
+ $mkey = substr( $lckey, 0, $pos );
+ $code = substr( $lckey, $pos+1 );
+ if ( $code ) {
+ $validCodes = array_keys( Language::getLanguageNames() );
+ if ( in_array( $code, $validCodes ) ) {
+ $message = Language::getMessageFor( $mkey, $code );
+ if ( is_null( $message ) ) {
+ $message = false;
+ }
+ } else {
+ wfDebug( __METHOD__ . ": Invalid code $code for $mkey/$code, not trying messages array\n" );
}
- } else {
- $message = false;
}
}
if( $message === false ) {
return '<' . htmlspecialchars($key) . '>';
}
-
- # Replace brace tags
- $message = $this->transform( $message );
return $message;
}
/**
- * Get a message from the MediaWiki namespace, with caching. The key must
+ * 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
if ( $type == ' ' ) {
$message = substr( $entry, 1 );
- $this->mCache[$title] = $message;
+ $this->mCache[$title] = $entry;
return $message;
} elseif ( $entry == '!NONEXISTENT' ) {
return false;
return $message;
}
- function transform( $message ) {
+ function transform( $message, $interface = false ) {
global $wgParser;
if ( !$this->mParser && isset( $wgParser ) ) {
# Do some initialisation so that we don't have to do it twice
# Clone it and store it
$this->mParser = clone $wgParser;
}
- if ( !$this->mDisableTransform && $this->mParser ) {
+ if ( $this->mParser ) {
if( strpos( $message, '{{' ) !== false ) {
- $message = $this->mParser->transformMsg( $message, $this->getParserOptions() );
+ $popts = $this->getParserOptions();
+ $popts->setInterfaceMessage( $interface );
+ $message = $this->mParser->transformMsg( $message, $popts );
}
}
return $message;
function disable() { $this->mDisable = true; }
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; }
+
+ /** @deprecated */
+ function disableTransform(){
+ wfDeprecated( __METHOD__ );
+ }
+ function enableTransform() {
+ wfDeprecated( __METHOD__ );
+ }
+ function setTransform( $x ) {
+ wfDeprecated( __METHOD__ );
+ }
+ function getTransform() {
+ wfDeprecated( __METHOD__ );
+ return false;
+ }
/**
* Add a message to the cache
*/
function addMessages( $messages, $lang = 'en' ) {
wfProfileIn( __METHOD__ );
+ if ( !is_array( $messages ) ) {
+ throw new MWException( __METHOD__.': Invalid message array' );
+ }
if ( isset( $this->mExtensionMessages[$lang] ) ) {
$this->mExtensionMessages[$lang] = $messages + $this->mExtensionMessages[$lang];
} else {
/**
* Add a 2-D array of messages by lang. Useful for extensions.
- * Introduced in 1.9. Please do not use it for now, for backwards compatibility.
*
* @param array $messages The array to be added
*/
}
/**
- * Get the extension messages for a specific language
+ * Get the extension messages for a specific language. Only English, interface
+ * and content language are guaranteed to be loaded.
*
* @param string $lang The messages language, English by default
*/
}
}
- static function loadAllMessages() {
+ 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 ) {
+ wfLoadExtensionMessages( $name );
+ }
# Still others will respond to neither, they are EVIL. We sometimes need to know!
}
+
+ /**
+ * Load messages from a given file
+ *
+ * @param string $filename Filename of file to load.
+ * @param string $langcode Language to load messages for, or false for
+ * default behvaiour (en, content language and user
+ * language).
+ */
+ function loadMessagesFile( $filename, $langcode = false ) {
+ global $wgLang, $wgContLang;
+ $messages = $magicWords = false;
+ require( $filename );
+
+ $validCodes = Language::getLanguageNames();
+ if( is_string( $langcode ) && array_key_exists( $langcode, $validCodes ) ) {
+ # Load messages for given language code.
+ $this->processMessagesArray( $messages, $langcode );
+ } elseif( is_string( $langcode ) && !array_key_exists( $langcode, $validCodes ) ) {
+ wfDebug( "Invalid language '$langcode' code passed to MessageCache::loadMessagesFile()" );
+ } else {
+ # Load only languages that are usually used, and merge all
+ # fallbacks, except English.
+ $langs = array_unique( array( 'en', $wgContLang->getCode(), $wgLang->getCode() ) );
+ foreach( $langs as $code ) {
+ $this->processMessagesArray( $messages, $code );
+ }
+ }
+
+ if ( $magicWords !== false ) {
+ global $wgContLang;
+ $wgContLang->addMagicWordsByLang( $magicWords );
+ }
+ }
+
+ /**
+ * Process an array of messages, loading it into the message cache.
+ *
+ * @param array $messages Messages array.
+ * @param string $langcode Language code to process.
+ */
+ function processMessagesArray( $messages, $langcode ) {
+ $fallbackCode = $langcode;
+ $mergedMessages = array();
+ do {
+ if ( isset($messages[$fallbackCode]) ) {
+ $mergedMessages += $messages[$fallbackCode];
+ }
+ $fallbackCode = Language::getFallbackfor( $fallbackCode );
+ } while( $fallbackCode && $fallbackCode !== 'en' );
+
+ if ( !empty($mergedMessages) )
+ $this->addMessages( $mergedMessages, $langcode );
+ }
+
}
-?>