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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright 2018 - 2019, Stephan Gambke  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   GNU General Public License, version 3 (or any later version)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @file  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace ExtensionRegistryHelper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class ExtensionRegistryHelper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package ExtensionRegistryHelper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class ExtensionRegistryHelper { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private static $singleton;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * ExtensionRegistryHelper constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \Exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function __construct() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( ! isset( $GLOBALS[ 'wgVersion' ] ) || version_compare( $GLOBALS[ 'wgVersion' ], '1.27', '<' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new \Exception( 'ExtensionRegistryHelper requires MediaWiki 1.27 or above.' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return ExtensionRegistryHelper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \Exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function singleton() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( !self::$singleton ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			self::$singleton = new self();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return self::$singleton;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param $extensionName  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string|null $path  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \Exception  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function loadExtensionRecursive( $extensionName, $path = null ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$path = $path ?: $GLOBALS[ 'wgExtensionDirectory' ] . '/' . $extensionName . '/extension.json';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->loadModuleRecursive( $extensionName, $path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param $skinName  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string|null $path  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \Exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function loadSkinRecursive( $skinName, $path = null ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$path = $path ?: $GLOBALS[ 'wgStyleDirectory' ] . '/' . $skinName . '/skin.json';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->loadModuleRecursive( $skinName, $path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param $moduleName  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \Exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected function loadModuleRecursive( $moduleName, $path ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$extensionRegistry = \ExtensionRegistry::getInstance();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( !$extensionRegistry->isLoaded( $moduleName ) && !array_key_exists( $path, $extensionRegistry->getQueue() ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$subregistry = new \ExtensionRegistry();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$subregistry->queue( $path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$subregistry->loadFromQueue();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$loadedRefl = new \ReflectionProperty( \ExtensionRegistry::class, 'loaded' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$loadedRefl->setAccessible( true );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$loadedRefl->setValue( $extensionRegistry, $extensionRegistry->getAllThings() + $subregistry->getAllThings() );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			} catch ( \Exception $e ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				throw new \Exception( 'This version of MediaWiki does not support ExtensionRegistryHelper.', 0, $e );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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