<?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

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

 */

/**

 * @see Zend_Feed_Entry_Abstract

 */

require_once 'Zend/Feed/Entry/Abstract.php';

/**

 * Concrete class for working with RSS items.

 *

 * @category   Zend

 * @package    Zend_Feed

 * @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_Entry_Rss extends Zend_Feed_Entry_Abstract

{

    /**

     * Root XML element for RSS items.

     *

     * @var string

     */

    protected $_rootElement = 'item';

    /**

     * Overwrites parent::_get method to enable read access

     * to content:encoded element.

     *

     * @param  string $var The property to access.

     * @return mixed

     */

    public function __get($var)

    {

        switch ($var) {

            case 'content':

                $prefix = $this->_element->lookupPrefix('http://purl.org/rss/1.0/modules/content/');

                return parent::__get("$prefix:encoded");

            default:

                return parent::__get($var);

        }

    }

    /**

     * Overwrites parent::_set method to enable write access

     * to content:encoded element.

     *

     * @param  string $var The property to change.

     * @param  string $val The property's new value.

     * @return void

     */

    public function __set($var, $value)

    {

        switch ($var) {

            case 'content':

                parent::__set('content:encoded', $value);

                break;

            default:

                parent::__set($var, $value);

        }

    }

    /**

     * Overwrites parent::_isset method to enable access

     * to content:encoded element.

     *

     * @param  string $var

     * @return boolean

     */

    public function __isset($var)

    {

        switch ($var) {

            case 'content':

                // don't use other callback to prevent invalid returned value

                return $this->content() !== null;

            default:

                return parent::__isset($var);

        }

    }

    /**

     * Overwrites parent::_call method to enable read access

     * to content:encoded element.

     * Please note that method-style write access is not currently supported

     * by parent method, consequently this method doesn't as well.

     *

     * @param  string $var    The element to get the string value of.

     * @param  mixed  $unused This parameter is not used.

     * @return mixed The node's value, null, or an array of nodes.

     */

    public function __call($var, $unused)

    {

        switch ($var) {

            case 'content':

                $prefix = $this->_element->lookupPrefix('http://purl.org/rss/1.0/modules/content/');

                return parent::__call("$prefix:encoded", $unused);

            default:

                return parent::__call($var, $unused);

        }

    }

}