File indexing completed on 2024-05-26 06:02:57

 <?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_FeedInterface
  */
 // require_once 'Zend/Feed/Reader/FeedInterface.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
  */
 abstract class Zend_Feed_Reader_FeedAbstract implements Zend_Feed_Reader_FeedInterface
 {
     /**
      * Parsed feed data
      *
      * @var array
      */
     protected $_data = array();
 
     /**
      * Parsed feed data in the shape of a DOMDocument
      *
      * @var DOMDocument
      */
     protected $_domDocument = null;
 
     /**
      * An array of parsed feed entries
      *
      * @var array
      */
     protected $_entries = array();
 
     /**
      * A pointer for the iterator to keep track of the entries array
      *
      * @var int
      */
     protected $_entriesKey = 0;
 
     /**
      * The base XPath query used to retrieve feed data
      *
      * @var DOMXPath
      */
     protected $_xpath = null;
 
     /**
      * Array of loaded extensions
      *
      * @var array
      */
     protected $_extensions = array();
 
     /**
      * Original Source URI (set if imported from a URI)
      *
      * @var string
      */
     protected $_originalSourceUri = null;
 
     /**
      * Constructor
      *
      * @param DomDocument The DOM object for the feed's XML
      * @param string $type Feed type
      */
     public function __construct(DomDocument $domDocument, $type = null)
     {
         $this->_domDocument = $domDocument;
         $this->_xpath = new DOMXPath($this->_domDocument);
 
         if ($type !== null) {
             $this->_data['type'] = $type;
         } else {
             $this->_data['type'] = Zend_Feed_Reader::detectType($this->_domDocument);
         }
         $this->_registerNamespaces();
         $this->_indexEntries();
         $this->_loadExtensions();
     }
 
     /**
      * Set an original source URI for the feed being parsed. This value
      * is returned from getFeedLink() method if the feed does not carry
      * a self-referencing URI.
      *
      * @param string $uri
      */
     public function setOriginalSourceUri($uri)
     {
         $this->_originalSourceUri = $uri;
     }
 
     /**
      * Get an original source URI for the feed being parsed. Returns null if
      * unset or the feed was not imported from a URI.
      *
      * @return string|null
      */
     public function getOriginalSourceUri()
     {
         return $this->_originalSourceUri;
     }
 
     /**
      * Get the number of feed entries.
      * Required by the Iterator interface.
      *
      * @return int
      */
     public function count()
     {
         return count($this->_entries);
     }
 
     /**
      * Return the current entry
      *
      * @return Zend_Feed_Reader_EntryInterface
      */
     public function current()
     {
         if (substr($this->getType(), 0, 3) == 'rss') {
             $reader = new Zend_Feed_Reader_Entry_Rss($this->_entries[$this->key()], $this->key(), $this->getType());
         } else {
             $reader = new Zend_Feed_Reader_Entry_Atom($this->_entries[$this->key()], $this->key(), $this->getType());
         }
 
         $reader->setXpath($this->_xpath);
 
         return $reader;
     }
 
     /**
      * Get the DOM
      *
      * @return DOMDocument
      */
     public function getDomDocument()
     {
         return $this->_domDocument;
     }
 
     /**
      * Get the Feed's encoding
      *
      * @return string
      */
     public function getEncoding()
     {
         $assumed = $this->getDomDocument()->encoding;
         if (empty($assumed)) {
             $assumed = 'UTF-8';
         }
         return $assumed;
     }
 
     /**
      * Get feed as xml
      *
      * @return string
      */
     public function saveXml()
     {
           return $this->getDomDocument()->saveXml();
     }
 
     /**
      * Get the DOMElement representing the items/feed element
      *
      * @return DOMElement
      */
     public function getElement()
     {
           return $this->getDomDocument()->documentElement;
     }
 
     /**
      * Get the DOMXPath object for this feed
      *
      * @return DOMXPath
      */
     public function getXpath()
     {
           return $this->_xpath;
     }
 
     /**
      * Get the feed type
      *
      * @return string
      */
     public function getType()
     {
         return $this->_data['type'];
     }
 
     /**
      * Return the current feed key
      *
      * @return unknown
      */
     public function key()
     {
         return $this->_entriesKey;
     }
 
     /**
      * Move the feed pointer forward
      *
      */
     public function next()
     {
         ++$this->_entriesKey;
     }
 
     /**
      * Reset the pointer in the feed object
      *
      */
     public function rewind()
     {
         $this->_entriesKey = 0;
     }
 
     /**
      * Check to see if the iterator is still valid
      *
      * @return boolean
      */
     public function valid()
     {
         return 0 <= $this->_entriesKey && $this->_entriesKey < $this->count();
     }
 
     public function getExtensions()
     {
         return $this->_extensions;
     }
 
     public function __call($method, $args)
     {
         foreach ($this->_extensions as $extension) {
             if (method_exists($extension, $method)) {
                 return call_user_func_array(array($extension, $method), $args);
             }
         }
         // require_once 'Zend/Feed/Exception.php';
         throw new Zend_Feed_Exception('Method: ' . $method
         . 'does not exist and could not be located on a registered Extension');
     }
 
     /**
      * Return an Extension object with the matching name (postfixed with _Feed)
      *
      * @param string $name
      * @return Zend_Feed_Reader_Extension_FeedAbstract
      */
     public function getExtension($name)
     {
         if (array_key_exists($name . '_Feed', $this->_extensions)) {
             return $this->_extensions[$name . '_Feed'];
         }
         return null;
     }
 
     protected function _loadExtensions()
     {
         $all = Zend_Feed_Reader::getExtensions();
         $feed = $all['feed'];
         foreach ($feed as $extension) {
             if (in_array($extension, $all['core'])) {
                 continue;
             }
             $className = Zend_Feed_Reader::getPluginLoader()->getClassName($extension);
             $this->_extensions[$extension] = new $className(
                 $this->getDomDocument(), $this->_data['type'], $this->_xpath
             );
         }
     }
 
     /**
      * Read all entries to the internal entries array
      *
      */
     abstract protected function _indexEntries();
 
     /**
      * Register the default namespaces for the current feed format
      *
      */
     abstract protected function _registerNamespaces();
 }