1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Dom

    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    19  */

    20 

    21 /**

    22  * Results for DOM XPath query

    23  *

    24  * @package    Zend_Dom

    25  * @subpackage Query

    26  * @uses       Iterator

    27  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    28  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    29  * @version    $Id: Result.php 20096 2010-01-06 02:05:09Z bkarwin $

    30  */

    31 class Zend_Dom_Query_Result implements Iterator,Countable

    32 {

    33     /**

    34      * Number of results

    35      * @var int

    36      */

    37     protected $_count;

    38 

    39     /**

    40      * CSS Selector query

    41      * @var string

    42      */

    43     protected $_cssQuery;

    44 

    45     /**

    46      * @var DOMDocument

    47      */

    48     protected $_document;

    49 

    50     /**

    51      * @var DOMNodeList

    52      */

    53     protected $_nodeList;

    54 

    55     /**

    56      * Current iterator position

    57      * @var int

    58      */

    59     protected $_position = 0;

    60 

    61     /**

    62      * @var DOMXPath

    63      */

    64     protected $_xpath;

    65 

    66     /**

    67      * XPath query

    68      * @var string

    69      */

    70     protected $_xpathQuery;

    71 

    72     /**

    73      * Constructor

    74      *

    75      * @param  string $cssQuery

    76      * @param  string|array $xpathQuery

    77      * @param  DOMDocument $document

    78      * @param  DOMNodeList $nodeList

    79      * @return void

    80      */

    81     public function  __construct($cssQuery, $xpathQuery, DOMDocument $document, DOMNodeList $nodeList)

    82     {

    83         $this->_cssQuery   = $cssQuery;

    84         $this->_xpathQuery = $xpathQuery;

    85         $this->_document   = $document;

    86         $this->_nodeList   = $nodeList;

    87     }

    88 

    89     /**

    90      * Retrieve CSS Query

    91      *

    92      * @return string

    93      */

    94     public function getCssQuery()

    95     {

    96         return $this->_cssQuery;

    97     }

    98 

    99     /**

   100      * Retrieve XPath query

   101      *

   102      * @return string

   103      */

   104     public function getXpathQuery()

   105     {

   106         return $this->_xpathQuery;

   107     }

   108 

   109     /**

   110      * Retrieve DOMDocument

   111      *

   112      * @return DOMDocument

   113      */

   114     public function getDocument()

   115     {

   116         return $this->_document;

   117     }

   118 

   119     /**

   120      * Iterator: rewind to first element

   121      *

   122      * @return void

   123      */

   124     public function rewind()

   125     {

   126         $this->_position = 0;

   127         return $this->_nodeList->item(0);

   128     }

   129 

   130     /**

   131      * Iterator: is current position valid?

   132      *

   133      * @return bool

   134      */

   135     public function valid()

   136     {

   137         if (in_array($this->_position, range(0, $this->_nodeList->length - 1)) && $this->_nodeList->length > 0) {

   138             return true;

   139         }

   140         return false;

   141     }

   142 

   143     /**

   144      * Iterator: return current element

   145      *

   146      * @return DOMElement

   147      */

   148     public function current()

   149     {

   150         return $this->_nodeList->item($this->_position);

   151     }

   152 

   153     /**

   154      * Iterator: return key of current element

   155      *

   156      * @return int

   157      */

   158     public function key()

   159     {

   160         return $this->_position;

   161     }

   162 

   163     /**

   164      * Iterator: move to next element

   165      *

   166      * @return void

   167      */

   168     public function next()

   169     {

   170         ++$this->_position;

   171         return $this->_nodeList->item($this->_position);

   172     }

   173 

   174     /**

   175      * Countable: get count

   176      *

   177      * @return int

   178      */

   179     public function count()

   180     {

   181         return $this->_nodeList->length;

   182     }

   183 }