class ResourceLoader {
/* Protected Static Members */
+ protected static $filterCacheVersion = 5;
+ protected static $requiredSourceProperties = array( 'loadScript' );
/** Array: List of module name/ResourceLoaderModule object pairs */
protected $modules = array();
+
/** Associative array mapping module name to info associative array */
protected $moduleInfos = array();
+ /** array( 'source-id' => array( 'loadScript' => 'http://.../load.php' ) ) **/
+ protected $sources = array();
+
/* Protected Methods */
/**
* Loads information stored in the database about modules.
- *
- * This method grabs modules dependencies from the database and updates modules
+ *
+ * This method grabs modules dependencies from the database and updates modules
* objects.
- *
- * This is not inside the module code because it is much faster to
- * request all of the information at once than it is to have each module
+ *
+ * This is not inside the module code because it is much faster to
+ * request all of the information at once than it is to have each module
* requests its own information. This sacrifice of modularity yields a substantial
* performance improvement.
- *
+ *
* @param $modules Array: List of module names to preload information for
* @param $context ResourceLoaderContext: Context to load the information within
*/
$dbr = wfGetDB( DB_SLAVE );
$skin = $context->getSkin();
$lang = $context->getLanguage();
-
+
// Get file dependency information
$res = $dbr->select( 'module_deps', array( 'md_module', 'md_deps' ), array(
'md_module' => $modules,
- 'md_skin' => $context->getSkin()
+ 'md_skin' => $skin
), __METHOD__
);
foreach ( array_diff( $modules, $modulesWithDeps ) as $name ) {
$this->getModule( $name )->setFileDependencies( $skin, array() );
}
-
+
// Get message blob mtimes. Only do this for modules with messages
$modulesWithMessages = array();
foreach ( $modules as $name ) {
), __METHOD__
);
foreach ( $res as $row ) {
- $this->getModule( $row->mr_resource )->setMsgBlobMtime( $lang,
+ $this->getModule( $row->mr_resource )->setMsgBlobMtime( $lang,
wfTimestamp( TS_UNIX, $row->mr_timestamp ) );
unset( $modulesWithoutMessages[$row->mr_resource] );
}
- }
+ }
foreach ( array_keys( $modulesWithoutMessages ) as $name ) {
$this->getModule( $name )->setMsgBlobMtime( $lang, 0 );
}
/**
* Runs JavaScript or CSS data through a filter, caching the filtered result for future calls.
- *
+ *
* Available filters are:
- * - minify-js \see JavaScriptDistiller::stripWhiteSpace
+ * - minify-js \see JavaScriptMinifier::minify
* - minify-css \see CSSMin::minify
- *
- * If $data is empty, only contains whitespace or the filter was unknown,
+ *
+ * If $data is empty, only contains whitespace or the filter was unknown,
* $data is returned unmodified.
- *
+ *
* @param $filter String: Name of filter to run
* @param $data String: Text to filter, such as JavaScript or CSS text
* @return String: Filtered data, or a comment containing an error message
*/
protected function filter( $filter, $data ) {
- global $wgResourceLoaderMinifyJSVerticalSpace;
-
+ global $wgResourceLoaderMinifierStatementsOnOwnLine, $wgResourceLoaderMinifierMaxLineLength;
wfProfileIn( __METHOD__ );
- // For empty/whitespace-only data or for unknown filters, don't perform
+ // For empty/whitespace-only data or for unknown filters, don't perform
// any caching or processing
- if ( trim( $data ) === ''
- || !in_array( $filter, array( 'minify-js', 'minify-css' ) ) )
+ if ( trim( $data ) === ''
+ || !in_array( $filter, array( 'minify-js', 'minify-css' ) ) )
{
wfProfileOut( __METHOD__ );
return $data;
// Try for cache hit
// Use CACHE_ANYTHING since filtering is very slow compared to DB queries
- $key = wfMemcKey( 'resourceloader', 'filter', $filter, md5( $data ) );
+ $key = wfMemcKey( 'resourceloader', 'filter', $filter, self::$filterCacheVersion, md5( $data ) );
$cache = wfGetCache( CACHE_ANYTHING );
$cacheEntry = $cache->get( $key );
if ( is_string( $cacheEntry ) ) {
try {
switch ( $filter ) {
case 'minify-js':
- $result = JavaScriptDistiller::stripWhiteSpace(
- $data, $wgResourceLoaderMinifyJSVerticalSpace
+ $result = JavaScriptMinifier::minify( $data,
+ $wgResourceLoaderMinifierStatementsOnOwnLine,
+ $wgResourceLoaderMinifierMaxLineLength
);
+ $result .= "\n\n/* cache key: $key */\n";
break;
case 'minify-css':
$result = CSSMin::minify( $data );
+ $result .= "\n\n/* cache key: $key */\n";
break;
}
}
wfProfileOut( __METHOD__ );
-
+
return $result;
}
* Registers core modules and runs registration hooks.
*/
public function __construct() {
- global $IP, $wgResourceModules;
-
+ global $IP, $wgResourceModules, $wgResourceLoaderSources, $wgLoadScript;
+
wfProfileIn( __METHOD__ );
-
+
+ // Add 'local' source first
+ $this->addSource( 'local', array( 'loadScript' => $wgLoadScript ) );
+
+ // Add other sources
+ $this->addSource( $wgResourceLoaderSources );
+
// Register core modules
$this->register( include( "$IP/resources/Resources.php" ) );
// Register extension modules
wfRunHooks( 'ResourceLoaderRegisterModules', array( &$this ) );
$this->register( $wgResourceModules );
-
+
wfProfileOut( __METHOD__ );
}
/**
* Registers a module with the ResourceLoader system.
- *
+ *
* @param $name Mixed: Name of module as a string or List of name/object pairs as an array
- * @param $info Module info array. For backwards compatibility with 1.17alpha,
- * this may also be a ResourceLoaderModule object. Optional when using
+ * @param $info Module info array. For backwards compatibility with 1.17alpha,
+ * this may also be a ResourceLoaderModule object. Optional when using
* multiple-registration calling style.
* @throws MWException: If a duplicate module registration is attempted
+ * @throws MWException: If a module name contains illegal characters (pipes or commas)
* @throws MWException: If something other than a ResourceLoaderModule is being registered
* @return Boolean: False if there were any errors, in which case one or more modules were not
* registered
if ( isset( $this->moduleInfos[$name] ) ) {
// A module has already been registered by this name
throw new MWException(
- 'ResourceLoader duplicate registration error. ' .
+ 'ResourceLoader duplicate registration error. ' .
'Another module has already been registered as ' . $name
);
}
+ // Check $name for illegal characters
+ if ( preg_match( '/[|,!]/', $name ) ) {
+ throw new MWException( "ResourceLoader module name '$name' is invalid. Names may not contain pipes (|), commas (,) or exclamation marks (!)" );
+ }
+
// Attach module
if ( is_object( $info ) ) {
// Old calling convention
// Validate the input
if ( !( $info instanceof ResourceLoaderModule ) ) {
- throw new MWException( 'ResourceLoader invalid module error. ' .
+ throw new MWException( 'ResourceLoader invalid module error. ' .
'Instances of ResourceLoaderModule expected.' );
}
wfProfileOut( __METHOD__ );
}
- /**
+ /**
+ * Add a foreign source of modules.
+ *
+ * Source properties:
+ * 'loadScript': URL (either fully-qualified or protocol-relative) of load.php for this source
+ *
+ * @param $id Mixed: source ID (string), or array( id1 => props1, id2 => props2, ... )
+ * @param $properties Array: source properties
+ */
+ public function addSource( $id, $properties = null) {
+ // Allow multiple sources to be registered in one call
+ if ( is_array( $id ) ) {
+ foreach ( $id as $key => $value ) {
+ $this->addSource( $key, $value );
+ }
+ return;
+ }
+
+ // Disallow duplicates
+ if ( isset( $this->sources[$id] ) ) {
+ throw new MWException(
+ 'ResourceLoader duplicate source addition error. ' .
+ 'Another source has already been registered as ' . $id
+ );
+ }
+
+ // Validate properties
+ foreach ( self::$requiredSourceProperties as $prop ) {
+ if ( !isset( $properties[$prop] ) ) {
+ throw new MWException( "Required property $prop missing from source ID $id" );
+ }
+ }
+
+ $this->sources[$id] = $properties;
+ }
+
+ /**
* Get a list of module names
*
* @return Array: List of module names
return $this->modules[$name];
}
+ /**
+ * Get the list of sources
+ *
+ * @return Array: array( id => array of properties, .. )
+ */
+ public function getSources() {
+ return $this->sources;
+ }
+
/**
* Outputs a response to a resource load-request, including a content-type header.
*
*/
public function respond( ResourceLoaderContext $context ) {
global $wgResourceLoaderMaxage, $wgCacheEpoch;
-
+
// Buffer output to catch warnings. Normally we'd use ob_clean() on the
// top-level output buffer to clear warnings, but that breaks when ob_gzhandler
// is used: ob_clean() will clear the GZIP header in that case and it won't come
}
}
- // If a version wasn't specified we need a shorter expiry time for updates
+ // If a version wasn't specified we need a shorter expiry time for updates
// to propagate to clients quickly
if ( is_null( $context->getVersion() ) ) {
$maxage = $wgResourceLoaderMaxage['unversioned']['client'];
$smaxage = $wgResourceLoaderMaxage['unversioned']['server'];
}
- // If a version was specified we can use a longer expiry time since changing
+ // If a version was specified we can use a longer expiry time since changing
// version numbers causes cache misses
else {
$maxage = $wgResourceLoaderMaxage['versioned']['client'];
wfProfileIn( __METHOD__.'-getModifiedTime' );
$private = false;
- // To send Last-Modified and support If-Modified-Since, we need to detect
+ // To send Last-Modified and support If-Modified-Since, we need to detect
// the last modified time
$mtime = wfTimestamp( TS_UNIX, $wgCacheEpoch );
foreach ( $modules as $module ) {
wfProfileOut( __METHOD__.'-getModifiedTime' );
if ( $context->getOnly() === 'styles' ) {
- header( 'Content-Type: text/css' );
+ header( 'Content-Type: text/css; charset=utf-8' );
} else {
- header( 'Content-Type: text/javascript' );
+ header( 'Content-Type: text/javascript; charset=utf-8' );
}
header( 'Last-Modified: ' . wfTimestamp( TS_RFC2822, $mtime ) );
if ( $context->getDebug() ) {
// Some clients send "timestamp;length=123". Strip the part after the first ';'
// so we get a valid timestamp.
$ims = $context->getRequest()->getHeader( 'If-Modified-Since' );
- if ( $ims !== false ) {
+ // Never send 304s in debug mode
+ if ( $ims !== false && !$context->getDebug() ) {
$imsTS = strtok( $ims, ';' );
if ( $mtime <= wfTimestamp( TS_UNIX, $imsTS ) ) {
// There's another bug in ob_gzhandler (see also the comment at
for ( $i = 0; $i < ob_get_level(); $i++ ) {
ob_end_clean();
}
-
+
header( 'HTTP/1.0 304 Not Modified' );
header( 'Status: 304 Not Modified' );
wfProfileOut( __METHOD__ );
return;
}
}
-
+
// Generate a response
$response = $this->makeModuleResponse( $context, $modules, $missing );
-
+
// Prepend comments indicating exceptions
$response = $exceptions . $response;
/**
* Generates code for a response
- *
+ *
* @param $context ResourceLoaderContext: Context in which to generate a response
* @param $modules Array: List of module objects keyed by module name
* @param $missing Array: List of unavailable modules (optional)
* @return String: Response data
*/
- public function makeModuleResponse( ResourceLoaderContext $context,
- array $modules, $missing = array() )
+ public function makeModuleResponse( ResourceLoaderContext $context,
+ array $modules, $missing = array() )
{
$out = '';
$exceptions = '';
if ( $modules === array() && $missing === array() ) {
return '/* No modules requested. Max made me put this here */';
}
-
+
wfProfileIn( __METHOD__ );
// Pre-fetch blobs
if ( $context->shouldIncludeMessages() ) {
foreach ( $modules as $name => $module ) {
wfProfileIn( __METHOD__ . '-' . $name );
try {
- // Scripts
$scripts = '';
if ( $context->shouldIncludeScripts() ) {
- $scripts .= $module->getScript( $context ) . "\n";
+ $scripts = $module->getScript( $context );
+ if ( is_string( $scripts ) ) {
+ // bug 27054: Append semicolon to prevent weird bugs
+ // caused by files not terminating their statements right
+ $scripts .= ";\n";
+ }
}
-
// Styles
$styles = array();
if ( $context->shouldIncludeStyles() ) {
// Append output
switch ( $context->getOnly() ) {
case 'scripts':
- $out .= $scripts;
+ if ( is_string( $scripts ) ) {
+ // Load scripts raw...
+ $out .= $scripts;
+ } elseif ( is_array( $scripts ) ) {
+ // ...except when $scripts is an array of URLs
+ $out .= self::makeLoaderImplementScript( $name, $scripts, array(), array() );
+ }
break;
case 'styles':
$out .= self::makeCombinedStyles( $styles );
$out .= self::makeMessageSetScript( new XmlJsCode( $messagesBlob ) );
break;
default:
- // Minify CSS before embedding in mediaWiki.loader.implement call
+ // Minify CSS before embedding in mw.loader.implement call
// (unless in debug mode)
if ( !$context->getDebug() ) {
foreach ( $styles as $media => $style ) {
- $styles[$media] = $this->filter( 'minify-css', $style );
+ if ( is_string( $style ) ) {
+ $styles[$media] = $this->filter( 'minify-css', $style );
+ }
}
}
$out .= self::makeLoaderImplementScript( $name, $scripts, $styles,
// Update module states
if ( $context->shouldIncludeScripts() ) {
// Set the state of modules loaded as only scripts to ready
- if ( count( $modules ) && $context->getOnly() === 'scripts'
- && !isset( $modules['startup'] ) )
+ if ( count( $modules ) && $context->getOnly() === 'scripts'
+ && !isset( $modules['startup'] ) )
{
- $out .= self::makeLoaderStateScript(
+ $out .= self::makeLoaderStateScript(
array_fill_keys( array_keys( $modules ), 'ready' ) );
}
// Set the state of modules which were requested but unavailable as missing
$out = $this->filter( 'minify-js', $out );
}
}
-
+
wfProfileOut( __METHOD__ );
return $exceptions . $out;
}
/* Static Methods */
/**
- * Returns JS code to call to mediaWiki.loader.implement for a module with
+ * Returns JS code to call to mw.loader.implement for a module with
* given properties.
*
* @param $name Module name
- * @param $scripts Array: List of JavaScript code snippets to be executed after the
- * module is loaded
- * @param $styles Array: List of CSS strings keyed by media type
- * @param $messages Mixed: List of messages associated with this module. May either be an
+ * @param $scripts Mixed: List of URLs to JavaScript files or String of JavaScript code
+ * @param $styles Mixed: List of CSS strings keyed by media type, or list of lists of URLs to
+ * CSS files keyed by media type
+ * @param $messages Mixed: List of messages associated with this module. May either be an
* associative array mapping message key to value, or a JSON-encoded message blob containing
* the same data, wrapped in an XmlJsCode object.
+ *
+ * @return string
*/
public static function makeLoaderImplementScript( $name, $scripts, $styles, $messages ) {
- if ( is_array( $scripts ) ) {
- $scripts = implode( $scripts, "\n" );
+ if ( is_string( $scripts ) ) {
+ $scripts = new XmlJsCode( "function( $ ) {{$scripts}}" );
+ } elseif ( !is_array( $scripts ) ) {
+ throw new MWException( 'Invalid scripts error. Array of URLs or string of code expected.' );
}
- return Xml::encodeJsCall(
- 'mediaWiki.loader.implement',
+ return Xml::encodeJsCall(
+ 'mw.loader.implement',
array(
$name,
- new XmlJsCode( "function( $, mw ) {{$scripts}}" ),
+ $scripts,
(object)$styles,
(object)$messages
) );
*
* @param $messages Mixed: Either an associative array mapping message key to value, or a
* JSON-encoded message blob containing the same data, wrapped in an XmlJsCode object.
+ *
+ * @return string
*/
public static function makeMessageSetScript( $messages ) {
- return Xml::encodeJsCall( 'mediaWiki.messages.set', array( (object)$messages ) );
+ return Xml::encodeJsCall( 'mw.messages.set', array( (object)$messages ) );
}
/**
- * Combines an associative array mapping media type to CSS into a
+ * Combines an associative array mapping media type to CSS into a
* single stylesheet with @media blocks.
*
* @param $styles Array: List of CSS strings keyed by media type
+ *
+ * @return string
*/
public static function makeCombinedStyles( array $styles ) {
$out = '';
// Transform the media type based on request params and config
// The way that this relies on $wgRequest to propagate request params is slightly evil
$media = OutputPage::transformCssMedia( $media );
-
+
if ( $media === null ) {
// Skip
- } else if ( $media === '' || $media == 'all' ) {
+ } elseif ( $media === '' || $media == 'all' ) {
// Don't output invalid or frivolous @media statements
$out .= "$style\n";
} else {
}
/**
- * Returns a JS call to mediaWiki.loader.state, which sets the state of a
+ * Returns a JS call to mw.loader.state, which sets the state of a
* module or modules to a given value. Has two calling conventions:
*
* - ResourceLoader::makeLoaderStateScript( $name, $state ):
*
* - ResourceLoader::makeLoaderStateScript( array( $name => $state, ... ) ):
* Set the state of modules with the given names to the given states
+ *
+ * @param $name string
+ * @param $state
+ *
+ * @return string
*/
public static function makeLoaderStateScript( $name, $state = null ) {
if ( is_array( $name ) ) {
- return Xml::encodeJsCall( 'mediaWiki.loader.state', array( $name ) );
+ return Xml::encodeJsCall( 'mw.loader.state', array( $name ) );
} else {
- return Xml::encodeJsCall( 'mediaWiki.loader.state', array( $name, $state ) );
+ return Xml::encodeJsCall( 'mw.loader.state', array( $name, $state ) );
}
}
/**
* Returns JS code which calls the script given by $script. The script will
- * be called with local variables name, version, dependencies and group,
- * which will have values corresponding to $name, $version, $dependencies
- * and $group as supplied.
+ * be called with local variables name, version, dependencies and group,
+ * which will have values corresponding to $name, $version, $dependencies
+ * and $group as supplied.
*
* @param $name String: Module name
* @param $version Integer: Module version number as a timestamp
* @param $dependencies Array: List of module names on which this module depends
* @param $group String: Group which the module is in.
+ * @param $source String: Source of the module, or 'local' if not foreign.
* @param $script String: JavaScript code
+ *
+ * @return string
*/
- public static function makeCustomLoaderScript( $name, $version, $dependencies, $group, $script ) {
+ public static function makeCustomLoaderScript( $name, $version, $dependencies, $group, $source, $script ) {
$script = str_replace( "\n", "\n\t", trim( $script ) );
- return Xml::encodeJsCall(
- "( function( name, version, dependencies, group ) {\n\t$script\n} )",
- array( $name, $version, $dependencies, $group ) );
+ return Xml::encodeJsCall(
+ "( function( name, version, dependencies, group, source ) {\n\t$script\n} )",
+ array( $name, $version, $dependencies, $group, $source ) );
}
/**
- * Returns JS code which calls mediaWiki.loader.register with the given
+ * Returns JS code which calls mw.loader.register with the given
* parameters. Has three calling conventions:
*
- * - ResourceLoader::makeLoaderRegisterScript( $name, $version, $dependencies, $group ):
+ * - ResourceLoader::makeLoaderRegisterScript( $name, $version, $dependencies, $group, $source ):
* Register a single module.
*
* - ResourceLoader::makeLoaderRegisterScript( array( $name1, $name2 ) ):
* Register modules with the given names.
*
* - ResourceLoader::makeLoaderRegisterScript( array(
- * array( $name1, $version1, $dependencies1, $group1 ),
- * array( $name2, $version2, $dependencies1, $group2 ),
+ * array( $name1, $version1, $dependencies1, $group1, $source1 ),
+ * array( $name2, $version2, $dependencies1, $group2, $source2 ),
* ...
* ) ):
* Registers modules with the given names and parameters.
* @param $version Integer: Module version number as a timestamp
* @param $dependencies Array: List of module names on which this module depends
* @param $group String: group which the module is in.
+ * @param $source String: source of the module, or 'local' if not foreign
+ *
+ * @return string
*/
- public static function makeLoaderRegisterScript( $name, $version = null,
- $dependencies = null, $group = null )
+ public static function makeLoaderRegisterScript( $name, $version = null,
+ $dependencies = null, $group = null, $source = null )
{
if ( is_array( $name ) ) {
- return Xml::encodeJsCall( 'mediaWiki.loader.register', array( $name ) );
+ return Xml::encodeJsCall( 'mw.loader.register', array( $name ) );
} else {
$version = (int) $version > 1 ? (int) $version : 1;
- return Xml::encodeJsCall( 'mediaWiki.loader.register',
- array( $name, $version, $dependencies, $group ) );
+ return Xml::encodeJsCall( 'mw.loader.register',
+ array( $name, $version, $dependencies, $group, $source ) );
+ }
+ }
+
+ /**
+ * Returns JS code which calls mw.loader.addSource() with the given
+ * parameters. Has two calling conventions:
+ *
+ * - ResourceLoader::makeLoaderSourcesScript( $id, $properties ):
+ * Register a single source
+ *
+ * - ResourceLoader::makeLoaderSourcesScript( array( $id1 => $props1, $id2 => $props2, ... ) );
+ * Register sources with the given IDs and properties.
+ *
+ * @param $id String: source ID
+ * @param $properties Array: source properties (see addSource())
+ */
+ public static function makeLoaderSourcesScript( $id, $properties = null ) {
+ if ( is_array( $id ) ) {
+ return Xml::encodeJsCall( 'mw.loader.addSource', array( $id ) );
+ } else {
+ return Xml::encodeJsCall( 'mw.loader.addSource', array( $id, $properties ) );
}
}
/**
- * Returns JS code which runs given JS code if the client-side framework is
+ * Returns JS code which runs given JS code if the client-side framework is
* present.
*
* @param $script String: JavaScript code
+ *
+ * @return string
*/
public static function makeLoaderConditionalScript( $script ) {
$script = str_replace( "\n", "\n\t", trim( $script ) );
}
/**
- * Returns JS code which will set the MediaWiki configuration array to
+ * Returns JS code which will set the MediaWiki configuration array to
* the given value.
*
* @param $configuration Array: List of configuration values keyed by variable name
+ *
+ * @return string
*/
public static function makeConfigSetScript( array $configuration ) {
- return Xml::encodeJsCall( 'mediaWiki.config.set', array( $configuration ) );
+ return Xml::encodeJsCall( 'mw.config.set', array( $configuration ) );
}
-
+
+ /**
+ * Convert an array of module names to a packed query string.
+ *
+ * For example, array( 'foo.bar', 'foo.baz', 'bar.baz', 'bar.quux' )
+ * becomes 'foo.bar,baz|bar.baz,quux'
+ * @param $modules array of module names (strings)
+ * @return string Packed query string
+ */
+ public static function makePackedModulesString( $modules ) {
+ $groups = array(); // array( prefix => array( suffixes ) )
+ foreach ( $modules as $module ) {
+ $pos = strrpos( $module, '.' );
+ $prefix = $pos === false ? '' : substr( $module, 0, $pos );
+ $suffix = $pos === false ? $module : substr( $module, $pos + 1 );
+ $groups[$prefix][] = $suffix;
+ }
+
+ $arr = array();
+ foreach ( $groups as $prefix => $suffixes ) {
+ $p = $prefix === '' ? '' : $prefix . '.';
+ $arr[] = $p . implode( ',', $suffixes );
+ }
+ $str = implode( '|', $arr );
+ return $str;
+ }
+
/**
* Determine whether debug mode was requested
* Order of priority is 1) request param, 2) cookie, 3) $wg setting
public static function inDebugMode() {
global $wgRequest, $wgResourceLoaderDebug;
static $retval = null;
- if ( !is_null( $retval ) )
+ if ( !is_null( $retval ) ) {
return $retval;
+ }
return $retval = $wgRequest->getFuzzyBool( 'debug',
$wgRequest->getCookie( 'resourceLoaderDebug', '', $wgResourceLoaderDebug ) );
}
dépôts / lhc / web / wiklou.git / blobdiff