| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Search result sets | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * This program is free software; you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * it under the terms of the GNU General Public License as published by | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * the Free Software Foundation; either version 2 of the License, or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * (at your option) any later version. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * GNU General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * You should have received a copy of the GNU General Public License along | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * with this program; if not, write to the Free Software Foundation, Inc., | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * http://www.gnu.org/copyleft/gpl.html | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * @file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * @ingroup Search | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * @ingroup Search | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | class SearchResultSet { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 	 * Types of interwiki results | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 	 * Results that are displayed only together with existing main wiki results | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	 * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 	const SECONDARY_RESULTS = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 	 * Results that can displayed even if no existing main wiki results exist | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 	 * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	const INLINE_RESULTS = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	protected $containedSyntax = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | 	public function __construct( $containedSyntax = false ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 		$this->containedSyntax = $containedSyntax; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	 * Fetch an array of regular expression fragments for matching | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | 	 * the search terms as parsed by this engine in a text extract. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	 * STUB | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	function termMatches() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 		return []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	function numRows() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 		return 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	 * Some search modes return a total hit count for the query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	 * in the entire article database. This may include pages | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	 * in namespaces that would not be matched on the given | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 	 * settings. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 	 * Return null if no total hits number is supported. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 	 * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	function getTotalHits() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 		return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 	 * Some search modes will run an alternative query that it thinks gives | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 	 * a better result than the provided search. Returns true if this has | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 	 * occured. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 	function hasRewrittenQuery() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 	 * @return string|null The search the query was internally rewritten to, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	 *  or null when the result of the original query was returned. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 	function getQueryAfterRewrite() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 		return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 	 * @return string|null Same as self::getQueryAfterRewrite(), but in HTML | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 	 *  and with changes highlighted. Null when the query was not rewritten. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 	function getQueryAfterRewriteSnippet() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 		return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 	 * Some search modes return a suggested alternate term if there are | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 	 * no exact hits. Returns true if there is one on this set. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 	function hasSuggestion() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	 * @return string|null Suggested query, null if none | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	function getSuggestionQuery() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 		return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  | 	 * @return string HTML highlighted suggested query, '' if none | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 	function getSuggestionSnippet() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 		return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 	 * Return a result set of hits on other (multiple) wikis associated with this one | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 	 * @return SearchResultSet[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 	function getInterwikiResults( $type = self::SECONDARY_RESULTS ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | 		return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 	 * Check if there are results on other wikis | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 	function hasInterwikiResults( $type = self::SECONDARY_RESULTS ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 	 * Fetches next search result, or false. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 	 * STUB | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 	 * @return SearchResult | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | 	function next() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | 		return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | 	 * Rewind result set back to begining | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 159 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 160 |  |  | 	function rewind() { | 
            
                                                                        
                            
            
                                    
            
            
                | 161 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 	 * Frees the result set, if applicable. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  | 	function free() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 		// ... | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | 	 * Did the search contain search syntax?  If so, Special:Search won't offer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 	 * the user a link to a create a page named by the search string because the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 	 * name would contain the search syntax. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  | 	 * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | 	public function searchContainedSyntax() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  | 		return $this->containedSyntax; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 179 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 180 |  |  |  |