97 lines
2.9 KiB
PHP
Executable File
97 lines
2.9 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 Search
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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: Default.php 20096 2010-01-06 02:05:09Z bkarwin $
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*/
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/**
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* @see Zend_Search_Lucene_Search_Highlighter_Interface
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*/
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require_once 'Zend/Search/Lucene/Search/Highlighter/Interface.php';
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/**
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* @category Zend
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* @package Zend_Search_Lucene
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* @subpackage Search
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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_Search_Highlighter_Default implements Zend_Search_Lucene_Search_Highlighter_Interface
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{
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/**
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* List of colors for text highlighting
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*
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* @var array
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*/
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protected $_highlightColors = array('#66ffff', '#ff66ff', '#ffff66',
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'#ff8888', '#88ff88', '#8888ff',
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'#88dddd', '#dd88dd', '#dddd88',
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'#aaddff', '#aaffdd', '#ddaaff',
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'#ddffaa', '#ffaadd', '#ffddaa');
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/**
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* Index of current color for highlighting
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*
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* Index is increased at each highlight() call, so terms matching different queries are highlighted using different colors.
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*
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* @var integer
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*/
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protected $_currentColorIndex = 0;
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/**
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* HTML document for highlighting
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*
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* @var Zend_Search_Lucene_Document_Html
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*/
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protected $_doc;
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/**
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* Set document for highlighting.
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*
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* @param Zend_Search_Lucene_Document_Html $document
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*/
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public function setDocument(Zend_Search_Lucene_Document_Html $document)
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{
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$this->_doc = $document;
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}
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/**
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* Get document for highlighting.
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*
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* @return Zend_Search_Lucene_Document_Html $document
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*/
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public function getDocument()
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{
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return $this->_doc;
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}
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/**
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* Highlight specified words
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*
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* @param string|array $words Words to highlight. They could be organized using the array or string.
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*/
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public function highlight($words)
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{
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$color = $this->_highlightColors[$this->_currentColorIndex];
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$this->_currentColorIndex = ($this->_currentColorIndex + 1) % count($this->_highlightColors);
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$this->_doc->highlight($words, $color);
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}
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}
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