<?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_Feed_Reader

 * @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: Source.php 20785 2010-01-31 09:43:03Z mikaelkael $

 */

/**

 * @see Zend_Feed_Reader_Feed_Atom

 */

require_once 'Zend/Feed/Reader/Feed/Atom.php';

/**

 * @category   Zend

 * @package    Zend_Feed_Reader

 * @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_Feed_Reader_Feed_Atom_Source extends Zend_Feed_Reader_Feed_Atom

{

    /**

     * Constructor: Create a Source object which is largely just a normal

     * Zend_Feed_Reader_FeedAbstract object only designed to retrieve feed level

     * metadata from an Atom entry's source element.

     *

     * @param DOMElement $source

     * @param string $xpathPrefix Passed from parent Entry object

     * @param string $type Nearly always Atom 1.0

     */

    public function __construct(DOMElement $source, $xpathPrefix, $type = Zend_Feed_Reader::TYPE_ATOM_10)

    {

        $this->_domDocument = $source->ownerDocument;

        $this->_xpath = new DOMXPath($this->_domDocument);

        $this->_data['type'] = $type;

        $this->_registerNamespaces();

        $this->_loadExtensions();

        $atomClass = Zend_Feed_Reader::getPluginLoader()->getClassName('Atom_Feed');

        $this->_extensions['Atom_Feed'] = new $atomClass($this->_domDocument, $this->_data['type'], $this->_xpath);

        $atomClass = Zend_Feed_Reader::getPluginLoader()->getClassName('DublinCore_Feed');

        $this->_extensions['DublinCore_Feed'] = new $atomClass($this->_domDocument, $this->_data['type'], $this->_xpath);

        foreach ($this->_extensions as $extension) {

            $extension->setXpathPrefix(rtrim($xpathPrefix, '/') . '/atom:source');

        }

    }

    /**

     * Since this is not an Entry carrier but a vehicle for Feed metadata, any

     * applicable Entry methods are stubbed out and do nothing.

     */

    /**

     * @return void

     */

    public function count() {}

    /**

     * @return void

     */

    public function current() {}

    /**

     * @return void

     */

    public function key() {}

    /**

     * @return void

     */

    public function next() {}

    /**

     * @return void

     */

    public function rewind() {}

    /**

     * @return void

     */

    public function valid() {}

    /**

     * @return void

     */

    protected function _indexEntries() {}

}