diff options
author | Pierre Schmitz <pierre@archlinux.de> | 2006-10-11 18:12:39 +0000 |
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committer | Pierre Schmitz <pierre@archlinux.de> | 2006-10-11 18:12:39 +0000 |
commit | 183851b06bd6c52f3cae5375f433da720d410447 (patch) | |
tree | a477257decbf3360127f6739c2f9d0ec57a03d39 /includes/SearchMySQL4.php |
MediaWiki 1.7.1 wiederhergestellt
Diffstat (limited to 'includes/SearchMySQL4.php')
-rw-r--r-- | includes/SearchMySQL4.php | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/includes/SearchMySQL4.php b/includes/SearchMySQL4.php new file mode 100644 index 00000000..dcc1f685 --- /dev/null +++ b/includes/SearchMySQL4.php @@ -0,0 +1,73 @@ +<?php +# Copyright (C) 2004 Brion Vibber <brion@pobox.com> +# http://www.mediawiki.org/ +# +# 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 + +/** + * Search engine hook for MySQL 4+ + * @package MediaWiki + * @subpackage Search + */ + +/** + * @package MediaWiki + * @subpackage Search + */ +class SearchMySQL4 extends SearchMySQL { + var $strictMatching = true; + + /** @todo document */ + function SearchMySQL4( &$db ) { + $this->db =& $db; + } + + /** @todo document */ + function parseQuery( $filteredText, $fulltext ) { + global $wgContLang; + $lc = SearchEngine::legalSearchChars(); + $searchon = ''; + $this->searchTerms = array(); + + # FIXME: This doesn't handle parenthetical expressions. + if( preg_match_all( '/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/', + $filteredText, $m, PREG_SET_ORDER ) ) { + foreach( $m as $terms ) { + if( $searchon !== '' ) $searchon .= ' '; + if( $this->strictMatching && ($terms[1] == '') ) { + $terms[1] = '+'; + } + $searchon .= $terms[1] . $wgContLang->stripForSearch( $terms[2] ); + if( !empty( $terms[3] ) ) { + $regexp = preg_quote( $terms[3], '/' ); + if( $terms[4] ) $regexp .= "[0-9A-Za-z_]+"; + } else { + $regexp = preg_quote( str_replace( '"', '', $terms[2] ), '/' ); + } + $this->searchTerms[] = $regexp; + } + wfDebug( "Would search with '$searchon'\n" ); + wfDebug( "Match with /\b" . implode( '\b|\b', $this->searchTerms ) . "\b/\n" ); + } else { + wfDebug( "Can't understand search query '{$filteredText}'\n" ); + } + + $searchon = $this->db->strencode( $searchon ); + $field = $this->getIndexField( $fulltext ); + return " MATCH($field) AGAINST('$searchon' IN BOOLEAN MODE) "; + } +} +?> |