<?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 Technorati

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

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

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

 */

/**

 * @see Zend_Service_Technorati_ResultSet

 */

require_once 'Zend/Service/Technorati/ResultSet.php';

/**

 * Represents a Technorati Search query result set.

 *

 * @category   Zend

 * @package    Zend_Service

 * @subpackage Technorati

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

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

 */

class Zend_Service_Technorati_SearchResultSet extends Zend_Service_Technorati_ResultSet

{

    /**

     * Number of query results.

     *

     * @var     int

     * @access  protected

     */

    protected $_queryCount;

    /**

     * Parses the search response and retrieve the results for iteration.

     *

     * @param   DomDocument $dom    the ReST fragment for this object

     * @param   array $options      query options as associative array

     */

    public function __construct(DomDocument $dom, $options = array())

    {

        parent::__construct($dom, $options);

        $result = $this->_xpath->query('/tapi/document/result/querycount/text()');

        if ($result->length == 1) $this->_queryCount = (int) $result->item(0)->data;

        $this->_totalResultsReturned  = (int) $this->_xpath->evaluate("count(/tapi/document/item)");

        $this->_totalResultsAvailable = (int) $this->_queryCount;

    }

    /**

     * Implements Zend_Service_Technorati_ResultSet::current().

     *

     * @return Zend_Service_Technorati_SearchResult current result

     */

    public function current()

    {

        /**

         * @see Zend_Service_Technorati_SearchResult

         */

        require_once 'Zend/Service/Technorati/SearchResult.php';

        return new Zend_Service_Technorati_SearchResult($this->_results->item($this->_currentIndex));

    }

}