diff options
Diffstat (limited to 'www/wiki/includes/search/SearchDatabase.php')
-rw-r--r-- | www/wiki/includes/search/SearchDatabase.php | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/www/wiki/includes/search/SearchDatabase.php b/www/wiki/includes/search/SearchDatabase.php new file mode 100644 index 00000000..643c2c13 --- /dev/null +++ b/www/wiki/includes/search/SearchDatabase.php @@ -0,0 +1,61 @@ +<?php +/** + * Database search engine + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + * @ingroup Search + */ + +use Wikimedia\Rdbms\IDatabase; + +/** + * Base search engine base class for database-backed searches + * @ingroup Search + * @since 1.23 + */ +class SearchDatabase extends SearchEngine { + /** + * @var IDatabase Slave database for reading from for results + */ + protected $db; + + /** + * @param IDatabase $db The database to search from + */ + public function __construct( IDatabase $db = null ) { + if ( $db ) { + $this->db = $db; + } else { + $this->db = wfGetDB( DB_REPLICA ); + } + } + + /** + * Return a 'cleaned up' search string + * + * @param string $text + * @return string + */ + protected function filter( $text ) { + // List of chars allowed in the search query. + // This must include chars used in the search syntax. + // Usually " (phrase) or * (wildcards) if supported by the engine + $lc = $this->legalSearchChars( self::CHARS_ALL ); + return trim( preg_replace( "/[^{$lc}]/", " ", $text ) ); + } +} |