File indexing completed on 2025-01-19 05:21:05

 <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Feed_Reader
  */
 // require_once 'Zend/Feed/Reader.php';
 
 /**
  * @see Zend_Feed_Reader_EntryInterface
  */
 // require_once 'Zend/Feed/Reader/EntryInterface.php';
 
 /**
  * @see Zend_Feed_Reader_EntryAbstract
  */
 // require_once 'Zend/Feed/Reader/EntryAbstract.php';
 
 /**
  * @see Zend_Feed_Reader_Extension_DublinCore_Entry
  */
 // require_once 'Zend/Feed/Reader/Extension/DublinCore/Entry.php';
 
 /**
  * @see Zend_Feed_Reader_Extension_Content_Entry
  */
 // require_once 'Zend/Feed/Reader/Extension/Content/Entry.php';
 
 /**
  * @see Zend_Feed_Reader_Extension_Atom_Entry
  */
 // require_once 'Zend/Feed/Reader/Extension/Atom/Entry.php';
 
 /**
  * @see Zend_Feed_Reader_Extension_WellformedWeb_Entry
  */
 // require_once 'Zend/Feed/Reader/Extension/WellFormedWeb/Entry.php';
 
 /**
  * @see Zend_Feed_Reader_Extension_Slash_Entry
  */
 // require_once 'Zend/Feed/Reader/Extension/Slash/Entry.php';
 
 /**
  * @see Zend_Feed_Reader_Extension_Thread_Entry
  */
 // require_once 'Zend/Feed/Reader/Extension/Thread/Entry.php';
 
 /**
  * @see Zend_Date
  */
 // require_once 'Zend/Date.php';
 
 /**
  * @see Zend_Feed_Reader_Collection_Category
  */
 // require_once 'Zend/Feed/Reader/Collection/Category.php';
 
 /**
  * @category   Zend
  * @package    Zend_Feed_Reader
  * @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_Feed_Reader_Entry_Rss extends Zend_Feed_Reader_EntryAbstract implements Zend_Feed_Reader_EntryInterface
 {
 
     /**
      * XPath query for RDF
      *
      * @var string
      */
     protected $_xpathQueryRdf = '';
 
     /**
      * XPath query for RSS
      *
      * @var string
      */
     protected $_xpathQueryRss = '';
 
     /**
      * Constructor
      *
      * @param  Zend_Feed_Entry_Abstract $entry
      * @param  string $entryKey
      * @param  string $type
      * @return void
      */
     public function __construct(DOMElement $entry, $entryKey, $type = null)
     {
         parent::__construct($entry, $entryKey, $type);
         $this->_xpathQueryRss = '//item[' . ($this->_entryKey+1) . ']';
         $this->_xpathQueryRdf = '//rss:item[' . ($this->_entryKey+1) . ']';
 
         $pluginLoader = Zend_Feed_Reader::getPluginLoader();
 
         $dublinCoreClass = $pluginLoader->getClassName('DublinCore_Entry');
         $this->_extensions['DublinCore_Entry'] = new $dublinCoreClass($entry, $entryKey, $type);
 
         $contentClass   = $pluginLoader->getClassName('Content_Entry');
         $this->_extensions['Content_Entry'] = new $contentClass($entry, $entryKey, $type);
 
         $atomClass   = $pluginLoader->getClassName('Atom_Entry');
         $this->_extensions['Atom_Entry'] = new $atomClass($entry, $entryKey, $type);
 
         $wfwClass   = $pluginLoader->getClassName('WellFormedWeb_Entry');
         $this->_extensions['WellFormedWeb_Entry'] = new $wfwClass($entry, $entryKey, $type);
 
         $slashClass   = $pluginLoader->getClassName('Slash_Entry');
         $this->_extensions['Slash_Entry'] = new $slashClass($entry, $entryKey, $type);
 
         $threadClass   = $pluginLoader->getClassName('Thread_Entry');
         $this->_extensions['Thread_Entry'] = new $threadClass($entry, $entryKey, $type);
     }
 
     /**
      * Get an author entry
      *
      * @param DOMElement $element
      * @return string
      */
     public function getAuthor($index = 0)
     {
         $authors = $this->getAuthors();
 
         if (isset($authors[$index])) {
             return $authors[$index];
         }
 
         return null;
     }
 
     /**
      * Get an array with feed authors
      *
      * @return array
      */
     public function getAuthors()
     {
         if (array_key_exists('authors', $this->_data)) {
             return $this->_data['authors'];
         }
 
         $authors = array();
         $authors_dc = $this->getExtension('DublinCore')->getAuthors();
         if (!empty($authors_dc)) {
             foreach ($authors_dc as $author) {
                 $authors[] = array(
                     'name' => $author['name']
                 );
             }
         }
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10
         && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) {
             $list = $this->_xpath->query($this->_xpathQueryRss . '//author');
         } else {
             $list = $this->_xpath->query($this->_xpathQueryRdf . '//rss:author');
         }
         if ($list->length) {
             foreach ($list as $author) {
                 $string = trim($author->nodeValue);
                 $email = null;
                 $name = null;
                 $data = array();
                 // Pretty rough parsing - but it's a catchall
                 if (preg_match("/^.*@[^ ]*/", $string, $matches)) {
                     $data['email'] = trim($matches[0]);
                     if (preg_match("/\((.*)\)$/", $string, $matches)) {
                         $data['name'] = $matches[1];
                     }
                     $authors[] = $data;
                 }
             }
         }
 
         if (count($authors) == 0) {
             $authors = $this->getExtension('Atom')->getAuthors();
         } else {
             $authors = new Zend_Feed_Reader_Collection_Author(
                 Zend_Feed_Reader::arrayUnique($authors)
             );
         }
 
         if (count($authors) == 0) {
             $authors = null;
         }
 
         $this->_data['authors'] = $authors;
 
         return $this->_data['authors'];
     }
 
     /**
      * Get the entry content
      *
      * @return string
      */
     public function getContent()
     {
         if (array_key_exists('content', $this->_data)) {
             return $this->_data['content'];
         }
 
         $content = $this->getExtension('Content')->getContent();
 
         if (!$content) {
             $content = $this->getDescription();
         }
 
         if (empty($content)) {
             $content = $this->getExtension('Atom')->getContent();
         }
 
         $this->_data['content'] = $content;
 
         return $this->_data['content'];
     }
 
     /**
      * Get the entry's date of creation
      *
      * @return string
      */
     public function getDateCreated()
     {
         return $this->getDateModified();
     }
 
     /**
      * Get the entry's date of modification
      *
      * @return string
      */
     public function getDateModified()
     {
         if (array_key_exists('datemodified', $this->_data)) {
             return $this->_data['datemodified'];
         }
 
         $dateModified = null;
         $date = null;
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10
             && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090
         ) {
             $dateModified = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/pubDate)');
             if ($dateModified) {
                 $dateModifiedParsed = strtotime($dateModified);
                 if ($dateModifiedParsed) {
                     $date = new Zend_Date($dateModifiedParsed);
                 } else {
                     $dateStandards = array(Zend_Date::RSS, Zend_Date::RFC_822,
                     Zend_Date::RFC_2822, Zend_Date::DATES);
                     $date = new Zend_Date;
                     foreach ($dateStandards as $standard) {
                         try {
                             $date->set($dateModified, $standard);
                             break;
                         } catch (Zend_Date_Exception $e) {
                             if ($standard == Zend_Date::DATES) {
                                 // require_once 'Zend/Feed/Exception.php';
                                 throw new Zend_Feed_Exception(
                                     'Could not load date due to unrecognised'
                                     .' format (should follow RFC 822 or 2822):'
                                     . $e->getMessage(),
                                     0, $e
                                 );
                             }
                         }
                     }
                 }
             }
         }
 
         if (!$date) {
             $date = $this->getExtension('DublinCore')->getDate();
         }
 
         if (!$date) {
             $date = $this->getExtension('Atom')->getDateModified();
         }
 
         if (!$date) {
             $date = null;
         }
 
         $this->_data['datemodified'] = $date;
 
         return $this->_data['datemodified'];
     }
 
     /**
      * Get the entry description
      *
      * @return string
      */
     public function getDescription()
     {
         if (array_key_exists('description', $this->_data)) {
             return $this->_data['description'];
         }
 
         $description = null;
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10
             && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090
         ) {
             $description = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/description)');
         } else {
             $description = $this->_xpath->evaluate('string('.$this->_xpathQueryRdf.'/rss:description)');
         }
 
         if (!$description) {
             $description = $this->getExtension('DublinCore')->getDescription();
         }
 
         if (empty($description)) {
             $description = $this->getExtension('Atom')->getDescription();
         }
 
         if (!$description) {
             $description = null;
         }
 
         $this->_data['description'] = $description;
 
         return $this->_data['description'];
     }
 
     /**
      * Get the entry enclosure
      * @return string
      */
     public function getEnclosure()
     {
         if (array_key_exists('enclosure', $this->_data)) {
             return $this->_data['enclosure'];
         }
 
         $enclosure = null;
 
         if ($this->getType() == Zend_Feed_Reader::TYPE_RSS_20) {
             $nodeList = $this->_xpath->query($this->_xpathQueryRss . '/enclosure');
 
             if ($nodeList->length > 0) {
                 $enclosure = new stdClass();
                 $enclosure->url    = $nodeList->item(0)->getAttribute('url');
                 $enclosure->length = $nodeList->item(0)->getAttribute('length');
                 $enclosure->type   = $nodeList->item(0)->getAttribute('type');
             }
         }
 
         if (!$enclosure) {
             $enclosure = $this->getExtension('Atom')->getEnclosure();
         }
 
         $this->_data['enclosure'] = $enclosure;
 
         return $this->_data['enclosure'];
     }
 
     /**
      * Get the entry ID
      *
      * @return string
      */
     public function getId()
     {
         if (array_key_exists('id', $this->_data)) {
             return $this->_data['id'];
         }
 
         $id = null;
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10
             && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090
         ) {
             $id = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/guid)');
         }
 
         if (!$id) {
             $id = $this->getExtension('DublinCore')->getId();
         }
 
         if (empty($id)) {
             $id = $this->getExtension('Atom')->getId();
         }
 
         if (!$id) {
             if ($this->getPermalink()) {
                 $id = $this->getPermalink();
             } elseif ($this->getTitle()) {
                 $id = $this->getTitle();
             } else {
                 $id = null;
             }
         }
 
         $this->_data['id'] = $id;
 
         return $this->_data['id'];
     }
 
     /**
      * Get a specific link
      *
      * @param  int $index
      * @return string
      */
     public function getLink($index = 0)
     {
         if (!array_key_exists('links', $this->_data)) {
             $this->getLinks();
         }
 
         if (isset($this->_data['links'][$index])) {
             return $this->_data['links'][$index];
         }
 
         return null;
     }
 
     /**
      * Get all links
      *
      * @return array
      */
     public function getLinks()
     {
         if (array_key_exists('links', $this->_data)) {
             return $this->_data['links'];
         }
 
         $links = array();
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 &&
             $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) {
             $list = $this->_xpath->query($this->_xpathQueryRss.'//link');
         } else {
             $list = $this->_xpath->query($this->_xpathQueryRdf.'//rss:link');
         }
 
         if (!$list->length) {
             $links = $this->getExtension('Atom')->getLinks();
         } else {
             foreach ($list as $link) {
                 $links[] = $link->nodeValue;
             }
         }
 
         $this->_data['links'] = $links;
 
         return $this->_data['links'];
     }
 
     /**
      * Get all categories
      *
      * @return Zend_Feed_Reader_Collection_Category
      */
     public function getCategories()
     {
         if (array_key_exists('categories', $this->_data)) {
             return $this->_data['categories'];
         }
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10 &&
             $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090) {
             $list = $this->_xpath->query($this->_xpathQueryRss.'//category');
         } else {
             $list = $this->_xpath->query($this->_xpathQueryRdf.'//rss:category');
         }
 
         if ($list->length) {
             $categoryCollection = new Zend_Feed_Reader_Collection_Category;
             foreach ($list as $category) {
                 $categoryCollection[] = array(
                     'term' => $category->nodeValue,
                     'scheme' => $category->getAttribute('domain'),
                     'label' => $category->nodeValue,
                 );
             }
         } else {
             $categoryCollection = $this->getExtension('DublinCore')->getCategories();
         }
 
         if (count($categoryCollection) == 0) {
             $categoryCollection = $this->getExtension('Atom')->getCategories();
         }
 
         $this->_data['categories'] = $categoryCollection;
 
         return $this->_data['categories'];
     }
 
     /**
      * Get a permalink to the entry
      *
      * @return string
      */
     public function getPermalink()
     {
         return $this->getLink(0);
     }
 
     /**
      * Get the entry title
      *
      * @return string
      */
     public function getTitle()
     {
         if (array_key_exists('title', $this->_data)) {
             return $this->_data['title'];
         }
 
         $title = null;
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10
             && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090
         ) {
             $title = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/title)');
         } else {
             $title = $this->_xpath->evaluate('string('.$this->_xpathQueryRdf.'/rss:title)');
         }
 
         if (!$title) {
             $title = $this->getExtension('DublinCore')->getTitle();
         }
 
         if (!$title) {
             $title = $this->getExtension('Atom')->getTitle();
         }
 
         if (!$title) {
             $title = null;
         }
 
         $this->_data['title'] = $title;
 
         return $this->_data['title'];
     }
 
     /**
      * Get the number of comments/replies for current entry
      *
      * @return string|null
      */
     public function getCommentCount()
     {
         if (array_key_exists('commentcount', $this->_data)) {
             return $this->_data['commentcount'];
         }
 
         $commentcount = $this->getExtension('Slash')->getCommentCount();
 
         if (!$commentcount) {
             $commentcount = $this->getExtension('Thread')->getCommentCount();
         }
 
         if (!$commentcount) {
             $commentcount = $this->getExtension('Atom')->getCommentCount();
         }
 
         if (!$commentcount) {
             $commentcount = null;
         }
 
         $this->_data['commentcount'] = $commentcount;
 
         return $this->_data['commentcount'];
     }
 
     /**
      * Returns a URI pointing to the HTML page where comments can be made on this entry
      *
      * @return string
      */
     public function getCommentLink()
     {
         if (array_key_exists('commentlink', $this->_data)) {
             return $this->_data['commentlink'];
         }
 
         $commentlink = null;
 
         if ($this->getType() !== Zend_Feed_Reader::TYPE_RSS_10
             && $this->getType() !== Zend_Feed_Reader::TYPE_RSS_090
         ) {
             $commentlink = $this->_xpath->evaluate('string('.$this->_xpathQueryRss.'/comments)');
         }
 
         if (!$commentlink) {
             $commentlink = $this->getExtension('Atom')->getCommentLink();
         }
 
         if (!$commentlink) {
             $commentlink = null;
         }
 
         $this->_data['commentlink'] = $commentlink;
 
         return $this->_data['commentlink'];
     }
 
     /**
      * Returns a URI pointing to a feed of all comments for this entry
      *
      * @return string
      */
     public function getCommentFeedLink()
     {
         if (array_key_exists('commentfeedlink', $this->_data)) {
             return $this->_data['commentfeedlink'];
         }
 
         $commentfeedlink = $this->getExtension('WellFormedWeb')->getCommentFeedLink();
 
         if (!$commentfeedlink) {
             $commentfeedlink = $this->getExtension('Atom')->getCommentFeedLink('rss');
         }
 
         if (!$commentfeedlink) {
             $commentfeedlink = $this->getExtension('Atom')->getCommentFeedLink('rdf');
         }
 
         if (!$commentfeedlink) {
             $commentfeedlink = null;
         }
 
         $this->_data['commentfeedlink'] = $commentfeedlink;
 
         return $this->_data['commentfeedlink'];
     }
 
     /**
      * Set the XPath query (incl. on all Extensions)
      *
      * @param DOMXPath $xpath
      */
     public function setXpath(DOMXPath $xpath)
     {
         parent::setXpath($xpath);
         foreach ($this->_extensions as $extension) {
             $extension->setXpath($this->_xpath);
         }
     }
 }