$cache = wfGetCache( CACHE_ANYTHING );
$cacheEntry = $cache->get( $key );
if ( is_string( $cacheEntry ) ) {
+ wfIncrStats( "rl-$filter-cache-hits" );
wfProfileOut( __METHOD__ );
return $cacheEntry;
}
$result = '';
// Run the filter - we've already verified one of these will work
try {
+ wfIncrStats( "rl-$filter-cache-misses" );
switch ( $filter ) {
case 'minify-js':
$result = JavaScriptMinifier::minify( $data,
// Save filtered text to Memcached
$cache->set( $key, $result );
- } catch ( Exception $exception ) {
- wfDebugLog( 'resourceloader', __METHOD__ . ": minification failed: $exception" );
+ } catch ( Exception $e ) {
+ MWExceptionHandler::logException( $e );
+ wfDebugLog( 'resourceloader', __METHOD__ . ": minification failed: $e" );
$this->hasErrors = true;
// Return exception as a comment
- $result = self::formatException( $exception );
+ $result = self::formatException( $e );
}
wfProfileOut( __METHOD__ );
try {
$this->preloadModuleInfo( array_keys( $modules ), $context );
} catch ( Exception $e ) {
+ MWExceptionHandler::logException( $e );
wfDebugLog( 'resourceloader', __METHOD__ . ": preloading module info failed: $e" );
$this->hasErrors = true;
// Add exception to the output as a comment
// Calculate maximum modified time
$mtime = max( $mtime, $module->getModifiedTime( $context ) );
} catch ( Exception $e ) {
+ MWExceptionHandler::logException( $e );
wfDebugLog( 'resourceloader', __METHOD__ . ": calculating maximum modified time failed: $e" );
$this->hasErrors = true;
// Add exception to the output as a comment
* and clear out the output buffer. If the client cache is too old then do nothing.
* @param $context ResourceLoaderContext
* @param string $mtime The TS_MW timestamp to check the header against
- * @return bool True iff 304 header sent and output handled
+ * @return bool True if 304 header sent and output handled
*/
protected function tryRespondLastModified( ResourceLoaderContext $context, $mtime ) {
// If there's an If-Modified-Since header, respond with a 304 appropriately
// See also http://bugs.php.net/bug.php?id=51579
// To work around this, we tear down all output buffering before
// sending the 304.
- // On some setups, ob_get_level() doesn't seem to go down to zero
- // no matter how often we call ob_get_clean(), so instead of doing
- // the more intuitive while ( ob_get_level() > 0 ) ob_get_clean();
- // we have to be safe here and avoid an infinite loop.
- // Caching the level is not an option, need to allow it to
- // shorten the loop on-the-fly (bug 46836)
- for ( $i = 0; $i < ob_get_level(); $i++ ) {
- ob_end_clean();
- }
+ wfResetOutputBuffers( /* $resetGzipEncoding = */ true );
header( 'HTTP/1.0 304 Not Modified' );
header( 'Status: 304 Not Modified' );
try {
$blobs = MessageBlobStore::get( $this, $modules, $context->getLanguage() );
} catch ( Exception $e ) {
+ MWExceptionHandler::logException( $e );
wfDebugLog( 'resourceloader', __METHOD__ . ": pre-fetching blobs from MessageBlobStore failed: $e" );
$this->hasErrors = true;
// Add exception to the output as a comment
break;
}
} catch ( Exception $e ) {
+ MWExceptionHandler::logException( $e );
wfDebugLog( 'resourceloader', __METHOD__ . ": generating module package failed: $e" );
$this->hasErrors = true;
// Add exception to the output as a comment
public static function isValidModuleName( $moduleName ) {
return !preg_match( '/[|,!]/', $moduleName ) && strlen( $moduleName ) <= 255;
}
+
+ /**
+ * Returns LESS compiler set up for use with MediaWiki
+ *
+ * @since 1.22
+ * @return lessc
+ */
+ public static function getLessCompiler() {
+ global $wgResourceLoaderLESSFunctions, $wgResourceLoaderLESSImportPaths;
+
+ $less = new lessc();
+ $less->setPreserveComments( true );
+ $less->setVariables( self::getLESSVars() );
+ $less->setImportDir( $wgResourceLoaderLESSImportPaths );
+ foreach ( $wgResourceLoaderLESSFunctions as $name => $func ) {
+ $less->registerFunction( $name, $func );
+ }
+ return $less;
+ }
+
+ /**
+ * Get global LESS variables.
+ *
+ * $since 1.22
+ * @return array: Map of variable names to string CSS values.
+ */
+ public static function getLESSVars() {
+ global $wgResourceLoaderLESSVars;
+
+ static $lessVars = null;
+ if ( $lessVars === null ) {
+ $lessVars = $wgResourceLoaderLESSVars;
+ // Sort by key to ensure consistent hashing for cache lookups.
+ ksort( $lessVars );
+ }
+ return $lessVars;
+ }
}