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_Feed_Reader

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

    20  */

    21 

    22 /**

    23  * @see Zend_Feed_Reader

    24  */

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

    26 

    27 /**

    28  * @see Zend_Feed_Reader_Extension_EntryAbstract

    29  */

    30 require_once 'Zend/Feed/Reader/Extension/EntryAbstract.php';

    31 

    32 /**

    33  * @category   Zend

    34  * @package    Zend_Feed_Reader

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

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

    37  */

    38 class Zend_Feed_Reader_Extension_WellFormedWeb_Entry

    39     extends Zend_Feed_Reader_Extension_EntryAbstract

    40 {

    41     /**

    42      * Get the entry comment Uri

    43      *

    44      * @return string|null

    45      */

    46     public function getCommentFeedLink()

    47     {

    48         $name = 'commentRss';

    49         if (array_key_exists($name, $this->_data)) {

    50             return $this->_data[$name];

    51         }

    52 

    53         $data = $this->_xpath->evaluate('string(' . $this->getXpathPrefix() . '/wfw:' . $name . ')');

    54 

    55         if (!$data) {

    56             $data = null;

    57         }

    58 

    59         $this->_data[$name] = $data;

    60 

    61         return $data;

    62     }

    63 

    64     /**

    65      * Register Slash namespaces

    66      *

    67      * @return void

    68      */

    69     protected function _registerNamespaces()

    70     {

    71         $this->_xpath->registerNamespace('wfw', 'http://wellformedweb.org/CommentAPI/');

    72     }

    73 }