| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * File holding the Lingo\LingoParser class. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * This file is part of the MediaWiki extension Lingo. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @copyright 2011 - 2018, Stephan Gambke | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @license   GNU General Public License, version 2 (or any later version) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * The Lingo extension is free software: you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * it under the terms of the GNU General Public License as published by the Free | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * Software Foundation; either version 2 of the License, or (at your option) any | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * later version. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * The Lingo extension is distributed in the hope that it will be useful, but | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * You should have received a copy of the GNU General Public License along | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * with this program. If not, see <http://www.gnu.org/licenses/>. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * @author Stephan Gambke | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * @file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * @ingroup Lingo | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | namespace Lingo; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | use DOMDocument; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | use DOMXPath; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | use ObjectCache; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | use Parser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | use Title; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  * This class parses the given text and enriches it with definitions for defined | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  * terms. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  * Contains a static function to initiate the parsing. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  * @ingroup Lingo | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | class LingoParser { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 	const WORD_VALUE = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 	const WORD_OFFSET = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	private $mLingoTree = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 * @var Backend | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	private $mLingoBackend = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	private static $parserSingleton = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	// The RegEx to split a chunk of text into words | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 1 |  | 	public $regex = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 1 |  | 	 * Lingo\LingoParser constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 1 |  | 	 * @param MessageLog|null $messages | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	public function __construct( MessageLog &$messages = null ) { | 
                            
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                | 66 |  |  | 		// The RegEx to split a chunk of text into words | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 		// Words are: placeholders for stripped items, sequences of letters and numbers, single characters that are neither letter nor number | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 		$this->regex = '/' . preg_quote( Parser::MARKER_PREFIX, '/' ) . '.*?' . preg_quote( Parser::MARKER_SUFFIX, '/' ) . '|[\p{L}\p{N}]+|[^\p{L}\p{N}]/u'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	 * @param \AbstractContent $content | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	 * @param \Title $title | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 	 * @param \ParserOutput $po | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 	 * @return Boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 	public function parse( $content, $title, $po ) { | 
                            
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                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 		/** @var \Parser $parser */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 		$parser = $GLOBALS[ 'wgParser' ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 		if ( $this->shouldParse( $parser ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 			$this->realParse( $parser ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 		return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 	 * @return LingoParser | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 	 * @since 2.0.1 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	public static function getInstance() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 		if ( !self::$parserSingleton ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 			self::$parserSingleton = new LingoParser(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 		return self::$parserSingleton; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	 * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 	private function getCacheKey() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 		// FIXME: If Lingo ever stores the glossary tree per user, then the cache key also needs to include the user id (see T163608) | 
                            
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                | 109 |  |  | 		return ObjectCache::getLocalClusterInstance()->makeKey( 'ext', 'lingo', 'lingotree', Tree::TREE_VERSION, get_class( self::getInstance()->getBackend() ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 	 * @return Backend the backend used by the parser | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 	 * @throws \MWException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	public function getBackend() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 		if ( $this->mLingoBackend === null ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 			throw new \MWException( 'No Lingo backend available!' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 		return $this->mLingoBackend; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 	 * Returns the list of terms in the glossary | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 	 * @return array an array mapping terms (keys) to descriptions (values) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 	public function getLingoArray() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 		return $this->getLingoTree()->getTermList(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | 	 * Returns the list of terms in the glossary as a Lingo\Tree | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 	 * @return Tree a Lingo\Tree mapping terms (keys) to descriptions (values) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 	public function getLingoTree() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | 		// build glossary array only once per request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 		if ( !$this->mLingoTree ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 			// use cache if enabled | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 			if ( $this->mLingoBackend->useCache() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 				// Try cache first | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 				global $wgexLingoCacheType; | 
                            
                    |  |  |  | 
                                                                                        
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                | 149 |  |  | 				$cache = ( $wgexLingoCacheType !== null ) ? wfGetCache( $wgexLingoCacheType ) : wfGetMainCache(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 				$cachekey = $this->getCacheKey(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 				$cachedLingoTree = $cache->get( $cachekey ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | 				// cache hit? | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | 				if ( $cachedLingoTree !== false && $cachedLingoTree !== null ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | 					wfDebug( "Cache hit: Got lingo tree from cache.\n" ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | 					$this->mLingoTree = &$cachedLingoTree; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 					wfDebug( "Re-cached lingo tree.\n" ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 				} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 					wfDebug( "Cache miss: Lingo tree not found in cache.\n" ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 					$this->mLingoTree =& $this->buildLingo(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 					wfDebug( "Cached lingo tree.\n" ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 				// Keep for one month | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 				// Limiting the cache validity will allow to purge stale cache | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 				// entries inserted by older versions after one month | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 				$cache->set( $cachekey, $this->mLingoTree, 60 * 60 * 24 * 30 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 			} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 				wfDebug( "Caching of lingo tree disabled.\n" ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  | 				$this->mLingoTree =& $this->buildLingo(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  | 		return $this->mLingoTree; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | 	 * @return Tree | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 184 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 185 |  |  | 	protected function &buildLingo() { | 
            
                                                                        
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 187 |  |  | 		$lingoTree = new Tree(); | 
            
                                                                        
                            
            
                                    
            
            
                | 188 |  |  | 		$backend = &$this->mLingoBackend; | 
            
                                                                        
                            
            
                                    
            
            
                | 189 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 190 |  |  | 		// assemble the result array | 
            
                                                                        
                            
            
                                    
            
            
                | 191 |  |  | 		while ( $elementData = $backend->next() ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 192 |  |  | 			$lingoTree->addTerm( $elementData[ Element::ELEMENT_TERM ], $elementData ); | 
            
                                                                        
                            
            
                                    
            
            
                | 193 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 194 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 195 |  |  | 		return $lingoTree; | 
            
                                                                        
                            
            
                                    
            
            
                | 196 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  | 	 * Parses the given text and enriches applicable terms | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  | 	 * This method currently only recognizes terms consisting of max one word | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  | 	 * @param Parser $parser | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  | 	 * @return Boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  | 	protected function realParse( &$parser ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  | 		$text = $parser->getOutput()->getText(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  | 		if ( $text === null || $text === '' ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  | 			return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  | 		// Get array of terms | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  | 		$glossary = $this->getLingoTree(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  | 		if ( $glossary == null ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  | 			return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  | 		// Parse HTML from page | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  | 		\MediaWiki\suppressWarnings(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  | 		$doc = new DOMDocument( '1.0', 'utf-8' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  | 		$doc->loadHTML( '<html><head><meta http-equiv="content-type" content="charset=utf-8"/></head><body>' . $text . '</body></html>' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  | 		\MediaWiki\restoreWarnings(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | 		// Find all text in HTML. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  | 		$xpath = new DOMXPath( $doc ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  | 		$textElements = $xpath->query( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  | 			"//*[not(ancestor-or-self::*[@class='noglossary'] or ancestor-or-self::a)][text()!=' ']/text()" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  | 		); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  | 		// Iterate all HTML text matches | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  | 		$numberOfTextElements = $textElements->length; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  | 		$definitions = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  | 		for ( $textElementIndex = 0; $textElementIndex < $numberOfTextElements; $textElementIndex++ ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  | 			$textElement = $textElements->item( $textElementIndex ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  | 			if ( strlen( $textElement->nodeValue ) < $glossary->getMinTermLength() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  | 			$matches = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  | 			preg_match_all( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  | 				$this->regex, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  | 				$textElement->nodeValue, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  | 				$matches, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  | 				PREG_OFFSET_CAPTURE | PREG_PATTERN_ORDER | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  | 			); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  | 			if ( count( $matches ) === 0 || count( $matches[ 0 ] ) === 0 ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  | 			$wordDescriptors = &$matches[ 0 ];  // See __construct() for definition of "word" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  | 			$numberOfWordDescriptors = count( $wordDescriptors ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  | 			$parentNode = &$textElement->parentNode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  | 			$wordDescriptorIndex = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  | 			$changedElem = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  | 			while ( $wordDescriptorIndex < $numberOfWordDescriptors ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  | 				/** @var \Lingo\Element $definition */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  | 				list( $skippedWords, $usedWords, $definition ) = | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  | 					$glossary->findNextTerm( $wordDescriptors, $wordDescriptorIndex, $numberOfWordDescriptors ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  | 				if ( $usedWords > 0 ) { // found a term | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  | 					if ( $skippedWords > 0 ) { // skipped some text, insert it as is | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  | 						$start = $wordDescriptors[$wordDescriptorIndex][self::WORD_OFFSET]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  | 						$length = $wordDescriptors[$wordDescriptorIndex + $skippedWords][self::WORD_OFFSET] - $start; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  | 						$parentNode->insertBefore( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  | 							$doc->createTextNode( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  | 								substr( $textElement->nodeValue, $start, $length) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  | 							), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  | 							$textElement | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  | 						); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  | 					} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  | 					$parentNode->insertBefore( $definition->getFormattedTerm( $doc ), $textElement ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  | 					$definitions[ $definition->getId() ] = $definition->getFormattedDefinitions(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  | 					$changedElem = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  | 				} else { // did not find any term, just use the rest of the text | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  | 					// If we found no term now and no term before, there was no | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  | 					// term in the whole element. Might as well not change the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  | 					// element at all. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  | 					// Only change element if found term before | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  | 					if ( $changedElem === true ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  | 						$start = $wordDescriptors[$wordDescriptorIndex][self::WORD_OFFSET]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  | 						$parentNode->insertBefore( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  | 							$doc->createTextNode( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  | 								substr( $textElement->nodeValue, $start) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  | 							), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  | 							$textElement | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  | 						); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  | 					} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  | 					// In principle superfluous, the loop would run out anyway. Might save a bit of time. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  | 					break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  | 				$wordDescriptorIndex += $usedWords + $skippedWords; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  | 			if ( $changedElem ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  | 				$parentNode->removeChild( $textElement ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  | 		if ( count( $definitions ) > 0 ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  | 			$this->loadModules( $parser ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  | 			// U - Ungreedy, D - dollar matches only end of string, s - dot matches newlines | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  | 			$text = preg_replace( '%(^.*<body>)|(</body>.*$)%UDs', '', $doc->saveHTML() ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  | 			$text .= $parser->recursiveTagParseFully( join( $definitions ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  | 			$parser->getOutput()->setText( $text ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  | 		return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  | 	 * @param Parser $parser | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  | 	protected function loadModules( &$parser ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  | 		global $wgOut; | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  | 		$parserOutput = $parser->getOutput(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  | 		// load scripts | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  | 		$parserOutput->addModules( 'ext.Lingo.Scripts' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  | 		if ( !$wgOut->isArticle() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  | 			$wgOut->addModules( 'ext.Lingo.Scripts' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  | 		// load styles | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  | 		$parserOutput->addModuleStyles( 'ext.Lingo.Styles' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  | 		if ( !$wgOut->isArticle() ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  | 			$wgOut->addModuleStyles( 'ext.Lingo.Styles' ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  | 	 * Purges the lingo tree from the cache. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  | 	 * @deprecated 2.0.2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 |  |  | 	public static function purgeCache() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  | 		self::getInstance()->purgeGlossaryFromCache(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 |  |  | 	 * Purges the lingo tree from the cache. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 |  |  | 	 * @since 2.0.2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 |  |  | 	public function purgeGlossaryFromCache() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 |  |  | 		global $wgexLingoCacheType; | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 |  |  | 		$cache = ( $wgexLingoCacheType !== null ) ? wfGetCache( $wgexLingoCacheType ) : wfGetMainCache(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 |  |  | 		$cache->delete( $this->getCacheKey() ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 384 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 385 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 386 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 387 |  |  | 	 * @since 2.0.1 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 388 |  |  | 	 * @param Backend $backend | 
            
                                                                                                            
                            
            
                                    
            
            
                | 389 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 390 |  |  | 	public function setBackend( Backend $backend ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 391 |  |  | 		$this->mLingoBackend = $backend; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 392 |  |  | 		$backend->setLingoParser( $this ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 393 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 394 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 395 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 396 |  |  | 	 * @param Parser $parser | 
            
                                                                                                            
                            
            
                                    
            
            
                | 397 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 398 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 399 |  |  | 	protected function shouldParse( &$parser ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 400 |  |  | 		global $wgexLingoUseNamespaces; | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 401 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 402 |  |  | 		if ( !( $parser instanceof Parser ) ) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 403 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 404 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 405 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 406 |  |  | 		if ( isset( $parser->mDoubleUnderscores[ 'noglossary' ] ) ) { // __NOGLOSSARY__ found in wikitext | 
            
                                                                                                            
                            
            
                                    
            
            
                | 407 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 408 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 409 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 410 |  |  | 		$title = $parser->getTitle(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 411 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 412 |  |  | 		if ( !( $title instanceof Title ) ) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 413 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 414 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 415 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 416 |  |  | 		$namespace = $title->getNamespace(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 417 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 418 |  |  | 		if ( isset( $wgexLingoUseNamespaces[ $namespace ] ) && $wgexLingoUseNamespaces[ $namespace ] === false ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 419 |  |  | 			return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 420 |  |  | 		}; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 421 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 422 |  |  | 		return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 423 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 424 |  |  | } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 425 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 426 |  |  |  | 
            
                        
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.