diff -r 000000000000 -r 4eba9c11703f web/Zend/Feed/Abstract.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Feed/Abstract.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,259 @@
+<?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: Abstract.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Feed_Element
+ */
+require_once 'Zend/Feed/Element.php';
+
+
+/**
+ * The Zend_Feed_Abstract class is an abstract class representing feeds.
+ *
+ * Zend_Feed_Abstract implements two core PHP 5 interfaces: ArrayAccess and
+ * Iterator. In both cases the collection being treated as an array is
+ * considered to be the entry collection, such that iterating over the
+ * feed takes you through each of the feed.s entries.
+ *
+ * @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
+ */
+abstract class Zend_Feed_Abstract extends Zend_Feed_Element implements Iterator, Countable
+{
+    /**
+     * Current index on the collection of feed entries for the
+     * Iterator implementation.
+     *
+     * @var integer
+     */
+    protected $_entryIndex = 0;
+
+    /**
+     * Cache of feed entries.
+     *
+     * @var array
+     */
+    protected $_entries;
+
+    /**
+     * Feed constructor
+     *
+     * The Zend_Feed_Abstract constructor takes the URI of a feed or a
+     * feed represented as a string and loads it as XML.
+     *
+     * @param  string $uri The full URI of the feed to load, or NULL if not retrieved via HTTP or as an array.
+     * @param  string $string The feed as a string, or NULL if retrieved via HTTP or as an array.
+     * @param  Zend_Feed_Builder_Interface $builder The feed as a builder instance or NULL if retrieved as a string or via HTTP.
+     * @return void
+     * @throws Zend_Feed_Exception If loading the feed failed.
+     */
+    public function __construct($uri = null, $string = null, Zend_Feed_Builder_Interface $builder = null)
+    {
+        if ($uri !== null) {
+            // Retrieve the feed via HTTP
+            $client = Zend_Feed::getHttpClient();
+            $client->setUri($uri);
+            $response = $client->request('GET');
+            if ($response->getStatus() !== 200) {
+                /**
+                 * @see Zend_Feed_Exception
+                 */
+                require_once 'Zend/Feed/Exception.php';
+                throw new Zend_Feed_Exception('Feed failed to load, got response code ' . $response->getStatus());
+            }
+            $this->_element = $response->getBody();
+            $this->__wakeup();
+        } elseif ($string !== null) {
+            // Retrieve the feed from $string
+            $this->_element = $string;
+            $this->__wakeup();
+        } else {
+            // Generate the feed from the array
+            $header = $builder->getHeader();
+            $this->_element = new DOMDocument('1.0', $header['charset']);
+            $root = $this->_mapFeedHeaders($header);
+            $this->_mapFeedEntries($root, $builder->getEntries());
+            $this->_element = $root;
+            $this->_buildEntryCache();
+        }
+    }
+
+
+    /**
+     * Load the feed as an XML DOMDocument object
+     *
+     * @return void
+     * @throws Zend_Feed_Exception
+     */
+    public function __wakeup()
+    {
+        @ini_set('track_errors', 1);
+        $doc = new DOMDocument;
+        $status = @$doc->loadXML($this->_element);
+        @ini_restore('track_errors');
+
+        if (!$status) {
+            // prevent the class to generate an undefined variable notice (ZF-2590)
+            if (!isset($php_errormsg)) {
+                if (function_exists('xdebug_is_enabled')) {
+                    $php_errormsg = '(error message not available, when XDebug is running)';
+                } else {
+                    $php_errormsg = '(error message not available)';
+                }
+            }
+
+            /**
+             * @see Zend_Feed_Exception
+             */
+            require_once 'Zend/Feed/Exception.php';
+            throw new Zend_Feed_Exception("DOMDocument cannot parse XML: $php_errormsg");
+        }
+
+        $this->_element = $doc;
+    }
+
+
+    /**
+     * Prepare for serialiation
+     *
+     * @return array
+     */
+    public function __sleep()
+    {
+        $this->_element = $this->saveXML();
+
+        return array('_element');
+    }
+
+
+    /**
+     * Cache the individual feed elements so they don't need to be
+     * searched for on every operation.
+     *
+     * @return void
+     */
+    protected function _buildEntryCache()
+    {
+        $this->_entries = array();
+        foreach ($this->_element->childNodes as $child) {
+            if ($child->localName == $this->_entryElementName) {
+                $this->_entries[] = $child;
+            }
+        }
+    }
+
+
+    /**
+     * Get the number of entries in this feed object.
+     *
+     * @return integer Entry count.
+     */
+    public function count()
+    {
+        return count($this->_entries);
+    }
+
+
+    /**
+     * Required by the Iterator interface.
+     *
+     * @return void
+     */
+    public function rewind()
+    {
+        $this->_entryIndex = 0;
+    }
+
+
+    /**
+     * Required by the Iterator interface.
+     *
+     * @return mixed The current row, or null if no rows.
+     */
+    public function current()
+    {
+        return new $this->_entryClassName(
+            null,
+            $this->_entries[$this->_entryIndex]);
+    }
+
+
+    /**
+     * Required by the Iterator interface.
+     *
+     * @return mixed The current row number (starts at 0), or NULL if no rows
+     */
+    public function key()
+    {
+        return $this->_entryIndex;
+    }
+
+
+    /**
+     * Required by the Iterator interface.
+     *
+     * @return mixed The next row, or null if no more rows.
+     */
+    public function next()
+    {
+        ++$this->_entryIndex;
+    }
+
+
+    /**
+     * Required by the Iterator interface.
+     *
+     * @return boolean Whether the iteration is valid
+     */
+    public function valid()
+    {
+        return 0 <= $this->_entryIndex && $this->_entryIndex < $this->count();
+    }
+
+    /**
+     * Generate the header of the feed when working in write mode
+     *
+     * @param  array $array the data to use
+     * @return DOMElement root node
+     */
+    abstract protected function _mapFeedHeaders($array);
+
+    /**
+     * Generate the entries of the feed when working in write mode
+     *
+     * @param  DOMElement $root the root node to use
+     * @param  array $array the data to use
+     * @return DOMElement root node
+     */
+    abstract protected function _mapFeedEntries(DOMElement $root, $array);
+
+    /**
+     * Send feed to a http client with the correct header
+     *
+     * @throws Zend_Feed_Exception if headers have already been sent
+     * @return void
+     */
+    abstract public function send();
+}