diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Feed/Reader/FeedAbstract.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Feed/Reader/FeedAbstract.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,321 @@
+<?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: FeedAbstract.php 22092 2010-05-04 12:50:51Z padraic $
+ */
+
+/**
+ * @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) 2005-2010 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();
+}