59 lines
2.3 KiB
PHP
59 lines
2.3 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2012 Bharat Mediratta
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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 (at
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class search extends search_Core {
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/**
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* Add more terms to the query by wildcarding the stem value of the first
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* few terms in the query.
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*/
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static function add_query_terms($q) {
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$MAX_TERMS = 5;
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// strip leading, trailing, and extra whitespaces
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$terms = preg_replace('/^\s+/', '', $q);
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$terms = preg_replace('/\s+$/', '', $terms);
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$terms = preg_replace('/\s\s+/', ' ', $terms);
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$terms = explode(" ", $terms, $MAX_TERMS);
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//$terms = explode(" ", $q, $MAX_TERMS); // commented out from original function
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for ($i = 0; $i < min(count($terms), $MAX_TERMS - 1); $i++) {
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// Don't wildcard quoted or already wildcarded terms
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if ((substr($terms[$i], 0, 1) != '"') && (substr($terms[$i], -1, 1) != "*")) {
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$terms[] = rtrim($terms[$i], "s") . "*";
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}
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}
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//return implode(" ", $terms); // commented out from original function
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/**
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* Add the search prefix to the start of every word.
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*/
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$prefix = module::get_var("short_search_fix","search_prefix");
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$terms = implode(" ", $terms);
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$terms = preg_replace('/^\s+/', '', $terms); // the implode seems to add this back in
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// add the prefixes
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if (preg_match('/\w/',$terms) > 0) {
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$terms = ' ' . $terms;
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$terms = str_replace(' ', ' '.$prefix, $terms);
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$terms = str_replace(' '.$prefix.'"', ' '.'"'.$prefix, $terms);
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$terms = substr($terms,1);
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}
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return $terms;
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}
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}
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