File indexing completed on 2024-12-22 05:37:02

 <?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_Service
  * @subpackage Amazon
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 
 /**
  * @see Zend_Service_Amazon_Item
  */
 // require_once 'Zend/Service/Amazon/Item.php';
 
 
 /**
  * @category   Zend
  * @package    Zend_Service
  * @subpackage Amazon
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Service_Amazon_ResultSet implements SeekableIterator
 {
     /**
      * A DOMNodeList of <Item> elements
      *
      * @var DOMNodeList
      */
     protected $_results = null;
 
     /**
      * Amazon Web Service Return Document
      *
      * @var DOMDocument
      */
     protected $_dom;
 
     /**
      * XPath Object for $this->_dom
      *
      * @var DOMXPath
      */
     protected $_xpath;
 
     /**
      * Current index for SeekableIterator
      *
      * @var int
      */
     protected $_currentIndex = 0;
 
     /**
      * Create an instance of Zend_Service_Amazon_ResultSet and create the necessary data objects
      *
      * @param  DOMDocument $dom
      * @return void
      */
     public function __construct(DOMDocument $dom)
     {
         $this->_dom = $dom;
         $this->_xpath = new DOMXPath($dom);
         $this->_xpath->registerNamespace('az', 'http://webservices.amazon.com/AWSECommerceService/2011-08-01');
         $this->_results = $this->_xpath->query('//az:Item');
     }
 
     /**
      * Total Number of results returned
      *
      * @return int Total number of results returned
      */
     public function totalResults()
     {
         $result = $this->_xpath->query('//az:TotalResults/text()');
         return (int) $result->item(0)->data;
     }
 
     /**
      * Total Number of pages returned
      *
      * @return int Total number of pages returned
      */
     public function totalPages()
     {
         $result = $this->_xpath->query('//az:TotalPages/text()');
         return (int) $result->item(0)->data;
     }
 
     /**
      * Implement SeekableIterator::current()
      *
      * @return Zend_Service_Amazon_Item
      */
     public function current()
     {
         return new Zend_Service_Amazon_Item($this->_results->item($this->_currentIndex));
     }
 
     /**
      * Implement SeekableIterator::key()
      *
      * @return int
      */
     public function key()
     {
         return $this->_currentIndex;
     }
 
     /**
      * Implement SeekableIterator::next()
      *
      * @return void
      */
     public function next()
     {
         $this->_currentIndex += 1;
     }
 
     /**
      * Implement SeekableIterator::rewind()
      *
      * @return void
      */
     public function rewind()
     {
         $this->_currentIndex = 0;
     }
 
     /**
      * Implement SeekableIterator::seek()
      *
      * @param  int $index
      * @throws OutOfBoundsException
      * @return void
      */
     public function seek($index)
     {
         $indexInt = (int) $index;
         if ($indexInt >= 0 && (null === $this->_results || $indexInt < $this->_results->length)) {
             $this->_currentIndex = $indexInt;
         } else {
             throw new OutOfBoundsException("Illegal index '$index'");
         }
     }
 
     /**
      * Implement SeekableIterator::valid()
      *
      * @return boolean
      */
     public function valid()
     {
         return null !== $this->_results && $this->_currentIndex < $this->_results->length;
     }
 }