KTStopwords.php
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<?php
/**
* $Id$
*
* KnowledgeTree Open Source Edition
* Document Management Made Simple
* Copyright (C) 2004 - 2008 The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* You can contact The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
* Blake Street, Observatory, 7925 South Africa. or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
class KTStopwords {
var $words = array();
var $conf = array();
var $aSectionFile;
var $aFileRoot;
var $flat = array();
var $flatns = array();
function loadCache($filename) {
$cache_str = file_get_contents($filename);
$this->words = unserialize($cache_str);
return true;
}
function createCache($filename) {
file_put_contents($filename, serialize($this->words));
}
function loadFile($filename) {
$this->words = array();
foreach(file($filename) as $line) {
$this->words[] = trim($line);
}
}
function isStopword($sWord) {
return in_array($sWord, $this->words);
}
static function &getSingleton() {
static $singleton = null;
if (is_null($singleton))
{
$singleton = new KTStopwords;
$oConfig =& KTConfig::getSingleton();
$singleton->loadFile($oConfig->get('urls/stopwordsFile'));
}
return $singleton;
}
}
?>