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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Dom
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/**
* Results for DOM XPath query
*
* @package Zend_Dom
* @subpackage Query
* @uses Iterator
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Result.php 18951 2009-11-12 16:26:19Z alexander $
*/
class Zend_Dom_Query_Result implements Iterator,Countable
{
/**
* Number of results
* @var int
*/
protected $_count;
/**
* CSS Selector query
* @var string
*/
protected $_cssQuery;
/**
* @var DOMDocument
*/
protected $_document;
/**
* @var DOMNodeList
*/
protected $_nodeList;
/**
* Current iterator position
* @var int
*/
protected $_position = 0;
/**
* @var DOMXPath
*/
protected $_xpath;
/**
* XPath query
* @var string
*/
protected $_xpathQuery;
/**
* Constructor
*
* @param string $cssQuery
* @param string|array $xpathQuery
* @param DOMDocument $document
* @param DOMNodeList $nodeList
* @return void
*/
public function __construct($cssQuery, $xpathQuery, DOMDocument $document, DOMNodeList $nodeList)
{
$this->_cssQuery = $cssQuery;
$this->_xpathQuery = $xpathQuery;
$this->_document = $document;
$this->_nodeList = $nodeList;
}
/**
* Retrieve CSS Query
*
* @return string
*/
public function getCssQuery()
{
return $this->_cssQuery;
}
/**
* Retrieve XPath query
*
* @return string
*/
public function getXpathQuery()
{
return $this->_xpathQuery;
}
/**
* Retrieve DOMDocument
*
* @return DOMDocument
*/
public function getDocument()
{
return $this->_document;
}
/**
* Iterator: rewind to first element
*
* @return void
*/
public function rewind()
{
$this->_position = 0;
return $this->_nodeList->item(0);
}
/**
* Iterator: is current position valid?
*
* @return bool
*/
public function valid()
{
if (in_array($this->_position, range(0, $this->_nodeList->length - 1)) && $this->_nodeList->length > 0) {
return true;
}
return false;
}
/**
* Iterator: return current element
*
* @return DOMElement
*/
public function current()
{
return $this->_nodeList->item($this->_position);
}
/**
* Iterator: return key of current element
*
* @return int
*/
public function key()
{
return $this->_position;
}
/**
* Iterator: move to next element
*
* @return void
*/
public function next()
{
++$this->_position;
return $this->_nodeList->item($this->_position);
}
/**
* Countable: get count
*
* @return int
*/
public function count()
{
return $this->_nodeList->length;
}
}
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