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+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to version 1.0 of the Zend Framework
+ * license, that is bundled with this package in the file LICENSE, and
+ * is available through the world-wide-web at the following URL:
+ * http://www.zend.com/license/framework/1_0.txt. If you did not receive
+ * a copy of the Zend Framework license and are unable to obtain it
+ * through the world-wide-web, please send a note to license@zend.com
+ * so we can mail you a copy immediately.
+ *
+ * @package Zend_Search_Lucene
+ * @subpackage Analysis
+ * @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
+ */
+
+
+/** Zend_Search_Lucene_Analysis_Analyzer */
+require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
+
+
+/**
+ * Common implementation of the Zend_Search_Lucene_Analysis_Analyzer interface.
+ * There are several standard standard subclasses provided by Zend_Search_Lucene/Analysis
+ * subpackage: Zend_Search_Lucene_Analysis_Analyzer_Common_Text, ZSearchHTMLAnalyzer, ZSearchXMLAnalyzer.
+ *
+ * @todo ZSearchHTMLAnalyzer and ZSearchXMLAnalyzer implementation
+ *
+ * @package Zend_Search_Lucene
+ * @subpackage Analysis
+ * @copyright Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
+ */
+abstract class Zend_Search_Lucene_Analysis_Analyzer_Common extends Zend_Search_Lucene_Analysis_Analyzer
+{
+ /**
+ * The set of Token filters applied to the Token stream.
+ * Array of Zend_Search_Lucene_Analysis_TokenFilter objects.
+ *
+ * @var array
+ */
+ private $_filters = array();
+
+ /**
+ * Add Token filter to the Analyzer
+ *
+ * @param Zend_Search_Lucene_Analysis_TokenFilter $filter
+ */
+ public function addFilter(Zend_Search_Lucene_Analysis_TokenFilter $filter)
+ {
+ $this->_filters[] = $filter;
+ }
+
+ /**
+ * Apply filters to the token.
+ *
+ * @param Zend_Search_Lucene_Analysis_Token $token
+ * @return Zend_Search_Lucene_Analysis_Token
+ */
+ public function normalize(Zend_Search_Lucene_Analysis_Token $token)
+ {
+ foreach ($this->_filters as $filter) {
+ $token = $filter->normalize($token);
+ }
+
+ return $token;
+ }
+}
+