183 Zeilen
3,6 KiB
PHP
183 Zeilen
3,6 KiB
PHP
<?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_Dom
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* @copyright Copyright (c) 2005-2011 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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/**
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* Results for DOM XPath query
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*
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* @package Zend_Dom
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* @subpackage Query
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* @uses Iterator
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* @copyright Copyright (c) 2005-2011 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 $Id$
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*/
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class Zend_Dom_Query_Result implements Iterator,Countable
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{
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/**
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* Number of results
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* @var int
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*/
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protected $_count;
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/**
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* CSS Selector query
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* @var string
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*/
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protected $_cssQuery;
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/**
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* @var DOMDocument
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*/
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protected $_document;
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/**
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* @var DOMNodeList
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*/
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protected $_nodeList;
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/**
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* Current iterator position
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* @var int
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*/
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protected $_position = 0;
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/**
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* @var DOMXPath
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*/
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protected $_xpath;
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/**
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* XPath query
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* @var string
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*/
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protected $_xpathQuery;
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/**
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* Constructor
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*
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* @param string $cssQuery
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* @param string|array $xpathQuery
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* @param DOMDocument $document
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* @param DOMNodeList $nodeList
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* @return void
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*/
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public function __construct($cssQuery, $xpathQuery, DOMDocument $document, DOMNodeList $nodeList)
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{
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$this->_cssQuery = $cssQuery;
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$this->_xpathQuery = $xpathQuery;
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$this->_document = $document;
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$this->_nodeList = $nodeList;
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}
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/**
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* Retrieve CSS Query
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*
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* @return string
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*/
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public function getCssQuery()
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{
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return $this->_cssQuery;
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}
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/**
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* Retrieve XPath query
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*
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* @return string
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*/
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public function getXpathQuery()
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{
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return $this->_xpathQuery;
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}
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/**
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* Retrieve DOMDocument
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*
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* @return DOMDocument
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*/
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public function getDocument()
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{
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return $this->_document;
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}
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/**
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* Iterator: rewind to first element
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*
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* @return void
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*/
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public function rewind()
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{
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$this->_position = 0;
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return $this->_nodeList->item(0);
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}
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/**
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* Iterator: is current position valid?
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*
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* @return bool
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*/
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public function valid()
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{
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if (in_array($this->_position, range(0, $this->_nodeList->length - 1)) && $this->_nodeList->length > 0) {
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return true;
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}
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return false;
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}
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/**
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* Iterator: return current element
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*
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* @return DOMElement
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*/
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public function current()
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{
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return $this->_nodeList->item($this->_position);
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}
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/**
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* Iterator: return key of current element
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*
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* @return int
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*/
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public function key()
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{
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return $this->_position;
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}
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/**
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* Iterator: move to next element
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*
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* @return void
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*/
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public function next()
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{
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++$this->_position;
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return $this->_nodeList->item($this->_position);
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}
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/**
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* Countable: get count
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*
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* @return int
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*/
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public function count()
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{
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return $this->_nodeList->length;
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}
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}
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