cd9dc7ef3f
- Move filter() function and make it protected, nothing uses it outside database-backed searching - Use per-backend legal search characters rather than assuming the static implementation is right Change-Id: Ic2b830b56137b2dfe68b9b9c3de012151e716952
57 lines
1.5 KiB
PHP
57 lines
1.5 KiB
PHP
<?php
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/**
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* Database search engine
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Search
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*/
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/**
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* Base search engine base class for database-backed searches
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* @ingroup Search
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* @since 1.23
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*/
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class SearchDatabase extends SearchEngine {
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/**
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* @var DatabaseBase Slave database for reading from for results
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*/
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protected $db;
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/**
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* Constructor
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* @param DatabaseBase $db The database to search from
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*/
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public function __construct( DatabaseBase $db = null ) {
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if ( $db ) {
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$this->db = $db;
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} else {
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$this->db = wfGetDB( DB_SLAVE );
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}
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}
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/**
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* Return a 'cleaned up' search string
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*
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* @param string $text
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* @return string
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*/
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protected function filter( $text ) {
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$lc = $this->legalSearchChars();
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return trim( preg_replace( "/[^{$lc}]/", " ", $text ) );
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}
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}
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