-<?
+<?php
# Message cache
# Performs various useful MediaWiki namespace-related functions
class MessageCache
{
var $mCache, $mUseCache, $mDisable, $mExpiry;
- var $mMemcKey, $mKeys;
-
+ var $mMemcKey, $mKeys, $mParserOptions, $mParser;
+ var $mExtensionMessages;
+
var $mInitialised = false;
- function initialise( $useMemCached, $useDB, $expiry, $memcPrefix ) {
- $this->mUseCache = $useMemCached;
+ function initialise( &$memCached, $useDB, $expiry, $memcPrefix ) {
+ $this->mUseCache = !is_null( $memCached );
+ $this->mMemc = &$memCached;
$this->mDisable = !$useDB;
$this->mExpiry = $expiry;
+ $this->mDisableTransform = false;
$this->mMemcKey = "$memcPrefix:messages";
$this->mKeys = false; # initialised on demand
$this->mInitialised = true;
-
+ $this->mParserOptions = ParserOptions::newFromUser( $u=NULL );
+ $this->mParser = new Parser;
+
$this->load();
}
# On error, quietly switches to a fallback mode
# Returns false for a reportable error, true otherwise
function load() {
- global $wgAllMessagesEn, $wgMemc;
+ global $wgAllMessagesEn;
if ( $this->mDisable ) {
return true;
$success = true;
if ( $this->mUseCache ) {
- $this->mCache = $wgMemc->get( $this->mMemcKey );
+ $this->mCache = $this->mMemc->get( $this->mMemcKey );
# If there's nothing in memcached, load all the messages from the database
if ( !$this->mCache ) {
$this->lock();
# Other threads don't need to load the messages if another thread is doing it.
- $wgMemc->set( $this->mMemcKey, "loading", MSG_LOAD_TIMEOUT );
+ $this->mMemc->set( $this->mMemcKey, "loading", MSG_LOAD_TIMEOUT );
$this->loadFromDB();
# Save in memcached
- if ( !$wgMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry ) ) {
+ if ( !$this->mMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry ) ) {
# Hack for slabs reassignment problem
- $wgMemc->set( $this->mMemcKey, "error" );
+ $this->mMemc->set( $this->mMemcKey, "error" );
wfDebug( "MemCached set error in MessageCache: restart memcached server!\n" );
}
$this->unlock();
function loadFromDB()
{
$fname = "MessageCache::loadFromDB";
- $sql = "SELECT cur_title,cur_text FROM cur WHERE cur_namespace=" . NS_MEDIAWIKI;
- $sql .= " AND cur_title IN ('";
- $sql .= implode( "','", $this->getKeys() ) . "')";
- wfDebug( "$sql\n" );
-
+ $sql = "SELECT cur_title,cur_text FROM cur WHERE cur_is_redirect=0 AND cur_namespace=" . NS_MEDIAWIKI;
$res = wfQuery( $sql, DB_READ, $fname );
$this->mCache = array();
$this->mCache[$row->cur_title] = $row->cur_text;
}
- wfDebug( var_export( $this->mCache, true ) );
-
wfFreeResult( $res );
}
+ # Not really needed anymore
function getKeys() {
global $wgAllMessagesEn, $wgLang;
if ( !$this->mKeys ) {
return $this->mKeys;
}
+ # Obsolete
function isCacheable( $key ) {
+ return true;
+ /*
global $wgAllMessagesEn, $wgLang;
return array_key_exists( $wgLang->lcfirst( $key ), $wgAllMessagesEn ) ||
array_key_exists( $key, $wgAllMessagesEn );
+ */
}
function replace( $title, $text ) {
- global $wgMemc;
- if ( $this->isCacheable( $title ) ) {
- $this->lock();
- $this->load();
- if ( is_array( $this->mCache ) ) {
- $this->mCache[$title] = $text;
- $wgMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry );
- }
- $this->unlock();
+ $this->lock();
+ $this->load();
+ if ( is_array( $this->mCache ) ) {
+ $this->mCache[$title] = $text;
+ $this->mMemc->set( $this->mMemcKey, $this->mCache, $this->mExpiry );
}
+ $this->unlock();
}
# Returns success
# Represents a write lock on the messages key
function lock() {
- global $wgMemc;
-
if ( !$this->mUseCache ) {
return true;
}
$lockKey = $this->mMemcKey . "lock";
- for ($i=0; $i < MSG_WAIT_TIMEOUT && !$wgMemc->add( $lockKey, 1, MSG_LOCK_TIMEOUT ); $i++ ) {
+ for ($i=0; $i < MSG_WAIT_TIMEOUT && !$this->mMemc->add( $lockKey, 1, MSG_LOCK_TIMEOUT ); $i++ ) {
sleep(1);
}
}
function unlock() {
- global $wgMemc;
-
if ( !$this->mUseCache ) {
return;
}
$lockKey = $this->mMemcKey . "lock";
- $wgMemc->delete( $lockKey );
+ $this->mMemc->delete( $lockKey );
}
function get( $key, $useDB ) {
return "<$key>";
}
- if ( $this->mDisable ) {
- return $wgLang->getMessage( $key );
- }
- $title = $wgLang->ucfirst( $key );
-
$message = false;
+ if ( !$this->mDisable ) {
+ $title = $wgLang->ucfirst( $key );
+
- # Try the cache
- if ( $this->mUseCache && $this->mCache ) {
- $message = $this->mCache[$title];
- }
-
- # If it wasn't in the cache, load each message from the DB individually
- if ( !$message && $useDB) {
- $sql = "SELECT cur_text FROM cur WHERE cur_namespace=" . NS_MEDIAWIKI .
- " AND cur_title='$title'";
- $res = wfQuery( $sql, DB_READ, $fname );
-
- if ( wfNumRows( $res ) ) {
- $obj = wfFetchObject( $res );
- $message = $obj->cur_text;
- wfFreeResult( $res );
+ # Try the cache
+ if ( $this->mUseCache && $this->mCache && array_key_exists( $title, $this->mCache ) ) {
+ $message = $this->mCache[$title];
}
+
+ # If it wasn't in the cache, load each message from the DB individually
+ if ( !$message && $useDB) {
+ $result = wfGetArray( "cur", array("cur_text"),
+ array( "cur_namespace" => NS_MEDIAWIKI, "cur_title" => $title ),
+ "MessageCache::get" );
+ if ( $result ) {
+ $message = $result->cur_text;
+ }
+ }
+ }
+ # Try the extension array
+ if ( !$message ) {
+ $message = @$this->mExtensionMessages[$key];
}
# Try the array in $wgLang
if ( !$message ) {
$message = "<$key>";
}
+
+ # Replace brace tags
+ $message = $this->transform( $message );
+ return $message;
+ }
+
+ function transform( $message ) {
+ if( !$this->mDisableTransform ) {
+ if ( strstr( $message, "{{" ) !== false ) {
+ $message = $this->mParser->transformMsg( $message, $this->mParserOptions );
+ }
+ }
return $message;
}
+
+ function disable() { $this->mDisable = true; }
+ function enable() { $this->mDisable = false; }
+ function disableTransform() { $this->mDisableTransform = true; }
+
+ function addMessage( $key, $value ) {
+ $this->mExtensionMessages[$key] = $value;
+ }
+
+ function addMessages( $messages ) {
+ foreach ( $messages as $key => $value ) {
+ $this->mExtensionMessages[$key] = $value;
+ }
+ }
}
?>
dépôts / lhc / web / wiklou.git / blobdiff