5 files changed, 1628 insertions, 0 deletions
diff --git a/3rdparty/ZendFeed/Reader/Feed/AbstractFeed.php b/3rdparty/ZendFeed/Reader/Feed/AbstractFeed.php
new file mode 100644
index 000000000..0d5f2b835
--- /dev/null
+++ b/3rdparty/ZendFeed/Reader/Feed/AbstractFeed.php
@@ -0,0 +1,307 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Feed;
+
+use DOMDocument;
+use DOMElement;
+use DOMXPath;
+use Zend\Feed\Reader;
+use Zend\Feed\Reader\Exception;
+
+/**
+*/
+abstract class AbstractFeed implements 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 $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 {
+            $this->data['type'] = Reader\Reader::detectType($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\Entry\EntryInterface
+     */
+    public function current()
+    {
+        if (substr($this->getType(), 0, 3) == 'rss') {
+            $reader = new Reader\Entry\Rss($this->entries[$this->key()], $this->key(), $this->getType());
+        } else {
+            $reader = new Reader\Entry\Atom($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 int
+     */
+    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 bool
+     */
+    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);
+            }
+        }
+        throw new Exception\BadMethodCallException('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 $name
+     * @return \Zend\Feed\Reader\Extension\AbstractFeed
+     */
+    public function getExtension($name)
+    {
+        if (array_key_exists($name . '\\Feed', $this->extensions)) {
+            return $this->extensions[$name . '\\Feed'];
+        }
+        return null;
+    }
+
+    protected function loadExtensions()
+    {
+        $all     = Reader\Reader::getExtensions();
+        $manager = Reader\Reader::getExtensionManager();
+        $feed    = $all['feed'];
+        foreach ($feed as $extension) {
+            if (in_array($extension, $all['core'])) {
+                continue;
+            }
+            if (!$manager->has($extension)) {
+                throw new Exception\RuntimeException(sprintf('Unable to load extension "%s"; cannot find class', $extension));
+            }
+            $plugin = $manager->get($extension);
+            $plugin->setDomDocument($this->getDomDocument());
+            $plugin->setType($this->data['type']);
+            $plugin->setXpath($this->xpath);
+            $this->extensions[$extension] = $plugin;
+        }
+    }
+
+    /**
+     * 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();
+}
diff --git a/3rdparty/ZendFeed/Reader/Feed/Atom.php b/3rdparty/ZendFeed/Reader/Feed/Atom.php
new file mode 100644
index 000000000..251ad03ce
--- /dev/null
+++ b/3rdparty/ZendFeed/Reader/Feed/Atom.php
@@ -0,0 +1,409 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Feed;
+
+use DOMDocument;
+use Zend\Feed\Reader;
+
+/**
+*/
+class Atom extends AbstractFeed
+{
+
+    /**
+     * Constructor
+     *
+     * @param  DOMDocument $dom
+     * @param  string $type
+     */
+    public function __construct(DOMDocument $dom, $type = null)
+    {
+        parent::__construct($dom, $type);
+        $manager = Reader\Reader::getExtensionManager();
+
+        $atomFeed = $manager->get('Atom\Feed');
+        $atomFeed->setDomDocument($dom);
+        $atomFeed->setType($this->data['type']);
+        $atomFeed->setXpath($this->xpath);
+        $this->extensions['Atom\\Feed'] = $atomFeed;
+
+        $atomFeed = $manager->get('DublinCore\Feed');
+        $atomFeed->setDomDocument($dom);
+        $atomFeed->setType($this->data['type']);
+        $atomFeed->setXpath($this->xpath);
+        $this->extensions['DublinCore\\Feed'] = $atomFeed;
+
+        foreach ($this->extensions as $extension) {
+            $extension->setXpathPrefix('/atom:feed');
+        }
+    }
+
+    /**
+     * Get a single author
+     *
+     * @param  int $index
+     * @return string|null
+     */
+    public function getAuthor($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 = $this->getExtension('Atom')->getAuthors();
+
+        $this->data['authors'] = $authors;
+
+        return $this->data['authors'];
+    }
+
+    /**
+     * Get the copyright entry
+     *
+     * @return string|null
+     */
+    public function getCopyright()
+    {
+        if (array_key_exists('copyright', $this->data)) {
+            return $this->data['copyright'];
+        }
+
+        $copyright = $this->getExtension('Atom')->getCopyright();
+
+        if (!$copyright) {
+            $copyright = null;
+        }
+
+        $this->data['copyright'] = $copyright;
+
+        return $this->data['copyright'];
+    }
+
+    /**
+     * Get the feed creation date
+     *
+     * @return string|null
+     */
+    public function getDateCreated()
+    {
+        if (array_key_exists('datecreated', $this->data)) {
+            return $this->data['datecreated'];
+        }
+
+        $dateCreated = $this->getExtension('Atom')->getDateCreated();
+
+        if (!$dateCreated) {
+            $dateCreated = null;
+        }
+
+        $this->data['datecreated'] = $dateCreated;
+
+        return $this->data['datecreated'];
+    }
+
+    /**
+     * Get the feed modification date
+     *
+     * @return string|null
+     */
+    public function getDateModified()
+    {
+        if (array_key_exists('datemodified', $this->data)) {
+            return $this->data['datemodified'];
+        }
+
+        $dateModified = $this->getExtension('Atom')->getDateModified();
+
+        if (!$dateModified) {
+            $dateModified = null;
+        }
+
+        $this->data['datemodified'] = $dateModified;
+
+        return $this->data['datemodified'];
+    }
+
+    /**
+     * Get the feed lastBuild date. This is not implemented in Atom.
+     *
+     * @return string|null
+     */
+    public function getLastBuildDate()
+    {
+        return null;
+    }
+
+    /**
+     * Get the feed description
+     *
+     * @return string|null
+     */
+    public function getDescription()
+    {
+        if (array_key_exists('description', $this->data)) {
+            return $this->data['description'];
+        }
+
+        $description = $this->getExtension('Atom')->getDescription();
+
+        if (!$description) {
+            $description = null;
+        }
+
+        $this->data['description'] = $description;
+
+        return $this->data['description'];
+    }
+
+    /**
+     * Get the feed generator entry
+     *
+     * @return string|null
+     */
+    public function getGenerator()
+    {
+        if (array_key_exists('generator', $this->data)) {
+            return $this->data['generator'];
+        }
+
+        $generator = $this->getExtension('Atom')->getGenerator();
+
+        $this->data['generator'] = $generator;
+
+        return $this->data['generator'];
+    }
+
+    /**
+     * Get the feed ID
+     *
+     * @return string|null
+     */
+    public function getId()
+    {
+        if (array_key_exists('id', $this->data)) {
+            return $this->data['id'];
+        }
+
+        $id = $this->getExtension('Atom')->getId();
+
+        $this->data['id'] = $id;
+
+        return $this->data['id'];
+    }
+
+    /**
+     * Get the feed language
+     *
+     * @return string|null
+     */
+    public function getLanguage()
+    {
+        if (array_key_exists('language', $this->data)) {
+            return $this->data['language'];
+        }
+
+        $language = $this->getExtension('Atom')->getLanguage();
+
+        if (!$language) {
+            $language = $this->xpath->evaluate('string(//@xml:lang[1])');
+        }
+
+        if (!$language) {
+            $language = null;
+        }
+
+        $this->data['language'] = $language;
+
+        return $this->data['language'];
+    }
+
+    /**
+     * Get a link to the source website
+     *
+     * @return string|null
+     */
+    public function getBaseUrl()
+    {
+        if (array_key_exists('baseUrl', $this->data)) {
+            return $this->data['baseUrl'];
+        }
+
+        $baseUrl = $this->getExtension('Atom')->getBaseUrl();
+
+        $this->data['baseUrl'] = $baseUrl;
+
+        return $this->data['baseUrl'];
+    }
+
+    /**
+     * Get a link to the source website
+     *
+     * @return string|null
+     */
+    public function getLink()
+    {
+        if (array_key_exists('link', $this->data)) {
+            return $this->data['link'];
+        }
+
+        $link = $this->getExtension('Atom')->getLink();
+
+        $this->data['link'] = $link;
+
+        return $this->data['link'];
+    }
+
+    /**
+     * Get feed image data
+     *
+     * @return array|null
+     */
+    public function getImage()
+    {
+        if (array_key_exists('image', $this->data)) {
+            return $this->data['image'];
+        }
+
+        $link = $this->getExtension('Atom')->getImage();
+
+        $this->data['image'] = $link;
+
+        return $this->data['image'];
+    }
+
+    /**
+     * Get a link to the feed's XML Url
+     *
+     * @return string|null
+     */
+    public function getFeedLink()
+    {
+        if (array_key_exists('feedlink', $this->data)) {
+            return $this->data['feedlink'];
+        }
+
+        $link = $this->getExtension('Atom')->getFeedLink();
+
+        if ($link === null || empty($link)) {
+            $link = $this->getOriginalSourceUri();
+        }
+
+        $this->data['feedlink'] = $link;
+
+        return $this->data['feedlink'];
+    }
+
+    /**
+     * Get the feed title
+     *
+     * @return string|null
+     */
+    public function getTitle()
+    {
+        if (array_key_exists('title', $this->data)) {
+            return $this->data['title'];
+        }
+
+        $title = $this->getExtension('Atom')->getTitle();
+
+        $this->data['title'] = $title;
+
+        return $this->data['title'];
+    }
+
+    /**
+     * Get an array of any supported Pusubhubbub endpoints
+     *
+     * @return array|null
+     */
+    public function getHubs()
+    {
+        if (array_key_exists('hubs', $this->data)) {
+            return $this->data['hubs'];
+        }
+
+        $hubs = $this->getExtension('Atom')->getHubs();
+
+        $this->data['hubs'] = $hubs;
+
+        return $this->data['hubs'];
+    }
+
+    /**
+     * Get all categories
+     *
+     * @return Reader\Collection\Category
+     */
+    public function getCategories()
+    {
+        if (array_key_exists('categories', $this->data)) {
+            return $this->data['categories'];
+        }
+
+        $categoryCollection = $this->getExtension('Atom')->getCategories();
+
+        if (count($categoryCollection) == 0) {
+            $categoryCollection = $this->getExtension('DublinCore')->getCategories();
+        }
+
+        $this->data['categories'] = $categoryCollection;
+
+        return $this->data['categories'];
+    }
+
+    /**
+     * Read all entries to the internal entries array
+     *
+     * @return void
+     */
+    protected function indexEntries()
+    {
+        if ($this->getType() == Reader\Reader::TYPE_ATOM_10 ||
+            $this->getType() == Reader\Reader::TYPE_ATOM_03) {
+            $entries = $this->xpath->evaluate('//atom:entry');
+
+            foreach ($entries as $index => $entry) {
+                $this->entries[$index] = $entry;
+            }
+        }
+    }
+
+    /**
+     * Register the default namespaces for the current feed format
+     *
+     */
+    protected function registerNamespaces()
+    {
+        switch ($this->data['type']) {
+            case Reader\Reader::TYPE_ATOM_03:
+                $this->xpath->registerNamespace('atom', Reader\Reader::NAMESPACE_ATOM_03);
+                break;
+            case Reader\Reader::TYPE_ATOM_10:
+            default:
+                $this->xpath->registerNamespace('atom', Reader\Reader::NAMESPACE_ATOM_10);
+        }
+    }
+}
diff --git a/3rdparty/ZendFeed/Reader/Feed/Atom/Source.php b/3rdparty/ZendFeed/Reader/Feed/Atom/Source.php
new file mode 100644
index 000000000..fada12859
--- /dev/null
+++ b/3rdparty/ZendFeed/Reader/Feed/Atom/Source.php
@@ -0,0 +1,94 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Feed\Atom;
+
+use DOMElement;
+use DOMXPath;
+use Zend\Feed\Reader;
+use Zend\Feed\Reader\Feed;
+
+/**
+*/
+class Source extends Feed\Atom
+{
+
+    /**
+     * Constructor: Create a Source object which is largely just a normal
+     * Zend\Feed\Reader\AbstractFeed object only designed to retrieve feed level
+     * metadata from an Atom entry's source element.
+     *
+     * @param DOMElement $source
+     * @param string $xpathPrefix Passed from parent Entry object
+     * @param string $type Nearly always Atom 1.0
+     */
+    public function __construct(DOMElement $source, $xpathPrefix, $type = Reader\Reader::TYPE_ATOM_10)
+    {
+        $this->domDocument = $source->ownerDocument;
+        $this->xpath = new DOMXPath($this->domDocument);
+        $this->data['type'] = $type;
+        $this->registerNamespaces();
+        $this->loadExtensions();
+
+        $manager = Reader\Reader::getExtensionManager();
+        $extensions = array('Atom\Feed', 'DublinCore\Feed');
+
+        foreach ($extensions as $name) {
+            $extension = $manager->get($name);
+            $extension->setDomDocument($this->domDocument);
+            $extension->setType($this->data['type']);
+            $extension->setXpath($this->xpath);
+            $this->extensions[$name] = $extension;
+        }
+
+        foreach ($this->extensions as $extension) {
+            $extension->setXpathPrefix(rtrim($xpathPrefix, '/') . '/atom:source');
+        }
+    }
+
+    /**
+     * Since this is not an Entry carrier but a vehicle for Feed metadata, any
+     * applicable Entry methods are stubbed out and do nothing.
+     */
+
+    /**
+     * @return void
+     */
+    public function count() {}
+
+    /**
+     * @return void
+     */
+    public function current() {}
+
+    /**
+     * @return void
+     */
+    public function key() {}
+
+    /**
+     * @return void
+     */
+    public function next() {}
+
+    /**
+     * @return void
+     */
+    public function rewind() {}
+
+    /**
+     * @return void
+     */
+    public function valid() {}
+
+    /**
+     * @return void
+     */
+    protected function indexEntries() {}
+}
diff --git a/3rdparty/ZendFeed/Reader/Feed/FeedInterface.php b/3rdparty/ZendFeed/Reader/Feed/FeedInterface.php
new file mode 100644
index 000000000..4ba3293d4
--- /dev/null
+++ b/3rdparty/ZendFeed/Reader/Feed/FeedInterface.php
@@ -0,0 +1,111 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Feed;
+
+use Countable;
+use Iterator;
+
+/**
+*/
+interface FeedInterface extends Iterator, Countable
+{
+    /**
+     * Get a single author
+     *
+     * @param  int $index
+     * @return string|null
+     */
+    public function getAuthor($index = 0);
+
+    /**
+     * Get an array with feed authors
+     *
+     * @return array
+     */
+    public function getAuthors();
+
+    /**
+     * Get the copyright entry
+     *
+     * @return string|null
+     */
+    public function getCopyright();
+
+    /**
+     * Get the feed creation date
+     *
+     * @return string|null
+     */
+    public function getDateCreated();
+
+    /**
+     * Get the feed modification date
+     *
+     * @return string|null
+     */
+    public function getDateModified();
+
+    /**
+     * Get the feed description
+     *
+     * @return string|null
+     */
+    public function getDescription();
+
+    /**
+     * Get the feed generator entry
+     *
+     * @return string|null
+     */
+    public function getGenerator();
+
+    /**
+     * Get the feed ID
+     *
+     * @return string|null
+     */
+    public function getId();
+
+    /**
+     * Get the feed language
+     *
+     * @return string|null
+     */
+    public function getLanguage();
+
+    /**
+     * Get a link to the HTML source
+     *
+     * @return string|null
+     */
+    public function getLink();
+
+    /**
+     * Get a link to the XML feed
+     *
+     * @return string|null
+     */
+    public function getFeedLink();
+
+    /**
+     * Get the feed title
+     *
+     * @return string|null
+     */
+    public function getTitle();
+
+    /**
+     * Get all categories
+     *
+     * @return \Zend\Feed\Reader\Collection\Category
+     */
+    public function getCategories();
+
+}
diff --git a/3rdparty/ZendFeed/Reader/Feed/Rss.php b/3rdparty/ZendFeed/Reader/Feed/Rss.php
new file mode 100644
index 000000000..fc7baa131
--- /dev/null
+++ b/3rdparty/ZendFeed/Reader/Feed/Rss.php
@@ -0,0 +1,707 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\Reader\Feed;
+
+use DateTime;
+use DOMDocument;
+use Zend\Feed\Reader;
+use Zend\Feed\Reader\Collection;
+use Zend\Feed\Reader\Exception;
+
+/**
+*/
+class Rss extends AbstractFeed
+{
+
+    /**
+     * Constructor
+     *
+     * @param  DOMDocument $dom
+     * @param  string $type
+     */
+    public function __construct(DOMDocument $dom, $type = null)
+    {
+        parent::__construct($dom, $type);
+
+        $manager = Reader\Reader::getExtensionManager();
+
+        $feed = $manager->get('DublinCore\Feed');
+        $feed->setDomDocument($dom);
+        $feed->setType($this->data['type']);
+        $feed->setXpath($this->xpath);
+        $this->extensions['DublinCore\Feed'] = $feed;
+
+        $feed = $manager->get('Atom\Feed');
+        $feed->setDomDocument($dom);
+        $feed->setType($this->data['type']);
+        $feed->setXpath($this->xpath);
+        $this->extensions['Atom\Feed'] = $feed;
+
+        if ($this->getType() !== Reader\Reader::TYPE_RSS_10
+            && $this->getType() !== Reader\Reader::TYPE_RSS_090
+        ) {
+            $xpathPrefix = '/rss/channel';
+        } else {
+            $xpathPrefix = '/rdf:RDF/rss:channel';
+        }
+        foreach ($this->extensions as $extension) {
+            $extension->setXpathPrefix($xpathPrefix);
+        }
+    }
+
+    /**
+     * Get a single author
+     *
+     * @param  int $index
+     * @return string|null
+     */
+    public function getAuthor($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();
+        $authorsDc = $this->getExtension('DublinCore')->getAuthors();
+        if (!empty($authorsDc)) {
+            foreach ($authorsDc as $author) {
+                $authors[] = array(
+                    'name' => $author['name']
+                );
+            }
+        }
+
+        /**
+         * Technically RSS doesn't specific author element use at the feed level
+         * but it's supported on a "just in case" basis.
+         */
+        if ($this->getType() !== Reader\Reader::TYPE_RSS_10
+        && $this->getType() !== Reader\Reader::TYPE_RSS_090) {
+            $list = $this->xpath->query('//author');
+        } else {
+            $list = $this->xpath->query('//rss:author');
+        }
+        if ($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 {
+            $authors = new Reader\Collection\Author(
+                Reader\Reader::arrayUnique($authors)
+            );
+        }
+
+        if (count($authors) == 0) {
+            $authors = null;
+        }
+
+        $this->data['authors'] = $authors;
+
+        return $this->data['authors'];
+    }
+
+    /**
+     * Get the copyright entry
+     *
+     * @return string|null
+     */
+    public function getCopyright()
+    {
+        if (array_key_exists('copyright', $this->data)) {
+            return $this->data['copyright'];
+        }
+
+        $copyright = null;
+
+        if ($this->getType() !== Reader\Reader::TYPE_RSS_10 &&
+            $this->getType() !== Reader\Reader::TYPE_RSS_090) {
+            $copyright = $this->xpath->evaluate('string(/rss/channel/copyright)');
+        }
+
+        if (!$copyright && $this->getExtension('DublinCore') !== null) {
+            $copyright = $this->getExtension('DublinCore')->getCopyright();
+        }
+
+        if (empty($copyright)) {
+            $copyright = $this->getExtension('Atom')->getCopyright();
+        }
+
+        if (!$copyright) {
+            $copyright = null;
+        }
+
+        $this->data['copyright'] = $copyright;
+
+        return $this->data['copyright'];
+    }
+
+    /**
+     * Get the feed creation date
+     *
+     * @return string|null
+     */
+    public function getDateCreated()
+    {
+        return $this->getDateModified();
+    }
+
+    /**
+     * Get the feed modification date
+     *
+     * @return DateTime</