75 lines
2.1 KiB
PHP
Executable File
75 lines
2.1 KiB
PHP
Executable File
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Search_Lucene
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* @subpackage Analysis
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: ShortWords.php 20096 2010-01-06 02:05:09Z bkarwin $
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*/
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/**
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* Zend_Search_Lucene_Analysis_TokenFilter
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*/
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require_once 'Zend/Search/Lucene/Analysis/TokenFilter.php';
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/**
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* Token filter that removes short words. What is short word can be configured with constructor.
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*
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* @category Zend
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* @package Zend_Search_Lucene
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* @subpackage Analysis
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* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Search_Lucene_Analysis_TokenFilter_ShortWords extends Zend_Search_Lucene_Analysis_TokenFilter
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{
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/**
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* Minimum allowed term length
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*
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* @var integer
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*/
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private $length;
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/**
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* Constructs new instance of this filter.
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*
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* @param integer $short minimum allowed length of term which passes this filter (default 2)
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*/
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public function __construct($length = 2)
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{
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$this->length = $length;
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}
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/**
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* Normalize Token or remove it (if null is returned)
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*
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* @param Zend_Search_Lucene_Analysis_Token $srcToken
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* @return Zend_Search_Lucene_Analysis_Token
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*/
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public function normalize(Zend_Search_Lucene_Analysis_Token $srcToken)
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{
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if (strlen($srcToken->getTermText()) < $this->length) {
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return null;
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} else {
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return $srcToken;
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}
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}
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}
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