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<?php
/**
* 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
* @author Trevor Parscal
* @author Roan Kattouw
*/
/**
* Object passed around to modules which contains information about the state
* of a specific loader request
*/
class ResourceLoaderContext {
/* Protected Members */
protected $resourceLoader;
protected $request;
protected $modules;
protected $language;
protected $direction;
protected $skin;
protected $user;
protected $debug;
protected $only;
protected $version;
protected $hash;
/* Methods */
public function __construct( ResourceLoader $resourceLoader, WebRequest $request ) {
global $wgDefaultSkin, $wgResourceLoaderDebug;
$this->resourceLoader = $resourceLoader;
$this->request = $request;
// Interpret request
// List of modules
$modules = $request->getVal( 'modules' );
$this->modules = $modules ? self::expandModuleNames( $modules ) : array();
// Various parameters
$this->skin = $request->getVal( 'skin' );
$this->user = $request->getVal( 'user' );
$this->debug = $request->getFuzzyBool( 'debug', $wgResourceLoaderDebug );
$this->only = $request->getVal( 'only' );
$this->version = $request->getVal( 'version' );
if ( !$this->skin ) {
$this->skin = $wgDefaultSkin;
}
}
/**
* Expand a string of the form jquery.foo,bar|jquery.ui.baz,quux to
* an array of module names like array( 'jquery.foo', 'jquery.bar',
* 'jquery.ui.baz', 'jquery.ui.quux' )
* @param $modules String Packed module name list
* @return array of module names
*/
public static function expandModuleNames( $modules ) {
$retval = array();
// For backwards compatibility with an earlier hack, replace ! with .
$modules = str_replace( '!', '.', $modules );
$exploded = explode( '|', $modules );
foreach ( $exploded as $group ) {
if ( strpos( $group, ',' ) === false ) {
// This is not a set of modules in foo.bar,baz notation
// but a single module
$retval[] = $group;
} else {
// This is a set of modules in foo.bar,baz notation
$pos = strrpos( $group, '.' );
if ( $pos === false ) {
// Prefixless modules, i.e. without dots
$retval = explode( ',', $group );
} else {
// We have a prefix and a bunch of suffixes
$prefix = substr( $group, 0, $pos ); // 'foo'
$suffixes = explode( ',', substr( $group, $pos + 1 ) ); // array( 'bar', 'baz' )
foreach ( $suffixes as $suffix ) {
$retval[] = "$prefix.$suffix";
}
}
}
}
return $retval;
}
/**
* @return ResourceLoader
*/
public function getResourceLoader() {
return $this->resourceLoader;
}
/**
* @return WebRequest
*/
public function getRequest() {
return $this->request;
}
/**
* @return array
*/
public function getModules() {
return $this->modules;
}
/**
* @return string
*/
public function getLanguage() {
if ( $this->language === null ) {
global $wgLang;
$this->language = $this->request->getVal( 'lang' );
if ( !$this->language ) {
$this->language = $wgLang->getCode();
}
}
return $this->language;
}
/**
* @return string
*/
public function getDirection() {
if ( $this->direction === null ) {
$this->direction = $this->request->getVal( 'dir' );
if ( !$this->direction ) {
# directionality based on user language (see bug 6100)
$this->direction = Language::factory( $this->language )->getDir();
}
}
return $this->direction;
}
/**
* @return string
*/
public function getSkin() {
return $this->skin;
}
/**
* @return string
*/
public function getUser() {
return $this->user;
}
/**
* @return bool
*/
public function getDebug() {
return $this->debug;
}
/**
* @return String
*/
public function getOnly() {
return $this->only;
}
/**
* @return String
*/
public function getVersion() {
return $this->version;
}
/**
* @return bool
*/
public function shouldIncludeScripts() {
return is_null( $this->only ) || $this->only === 'scripts';
}
/**
* @return bool
*/
public function shouldIncludeStyles() {
return is_null( $this->only ) || $this->only === 'styles';
}
/**
* @return bool
*/
public function shouldIncludeMessages() {
return is_null( $this->only ) || $this->only === 'messages';
}
/**
* @return string
*/
public function getHash() {
if ( !isset( $this->hash ) ) {
$this->hash = implode( '|', array(
$this->getLanguage(), $this->getDirection(), $this->skin, $this->user,
$this->debug, $this->only, $this->version
) );
}
return $this->hash;
}
}
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