1 files changed, 73 insertions, 0 deletions
diff --git a/includes/SearchMySQL4.php b/includes/SearchMySQL4.php
new file mode 100644
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--- /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) ";
+	}
+}
+?>