included 3rdparty library SimplePie for parsing feeds

33 files changed, 17756 insertions, 0 deletions

diff --git a/3rdparty/SimplePie/LICENSE.txt b/3rdparty/SimplePie/LICENSE.txt
new file mode 100644
index 000000000..a822a4bd9
--- /dev/null
+++ b/3rdparty/SimplePie/LICENSE.txt
@@ -0,0 +1,26 @@
+Copyright (c) 2004-2007, Ryan Parman and Geoffrey Sneddon.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are 
+permitted provided that the following conditions are met:
+
+	* Redistributions of source code must retain the above copyright notice, this list of 
+	  conditions and the following disclaimer.
+
+	* Redistributions in binary form must reproduce the above copyright notice, this list 
+	  of conditions and the following disclaimer in the documentation and/or other materials 
+	  provided with the distribution.
+
+	* Neither the name of the SimplePie Team nor the names of its contributors may be used 
+	  to endorse or promote products derived from this software without specific prior 
+	  written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS 
+OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
+AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS 
+AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file
diff --git a/3rdparty/SimplePie/SimplePie/Author.php b/3rdparty/SimplePie/SimplePie/Author.php
new file mode 100644
index 000000000..6d1629234
--- /dev/null
+++ b/3rdparty/SimplePie/SimplePie/Author.php
@@ -0,0 +1,156 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3-dev
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Manages all author-related data
+ *
+ * Used by {@see SimplePie_Item::get_author()} and {@see SimplePie::get_authors()}
+ *
+ * This class can be overloaded with {@see SimplePie::set_author_class()}
+ *
+ * @package SimplePie
+ */
+class SimplePie_Author
+{
+	/**
+	 * Author's name
+	 *
+	 * @var string
+	 * @see get_name()
+	 */
+	var $name;
+
+	/**
+	 * Author's link
+	 *
+	 * @var string
+	 * @see get_link()
+	 */
+	var $link;
+
+	/**
+	 * Author's email address
+	 *
+	 * @var string
+	 * @see get_email()
+	 */
+	var $email;
+
+	/**
+	 * Constructor, used to input the data
+	 *
+	 * @param string $name
+	 * @param string $link
+	 * @param string $email
+	 */
+	public function __construct($name = null, $link = null, $email = null)
+	{
+		$this->name = $name;
+		$this->link = $link;
+		$this->email = $email;
+	}
+
+	/**
+	 * String-ified version
+	 *
+	 * @return string
+	 */
+	public function __toString()
+	{
+		// There is no $this->data here
+		return md5(serialize($this));
+	}
+
+	/**
+	 * Author's name
+	 *
+	 * @return string|null
+	 */
+	public function get_name()
+	{
+		if ($this->name !== null)
+		{
+			return $this->name;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Author's link
+	 *
+	 * @return string|null
+	 */
+	public function get_link()
+	{
+		if ($this->link !== null)
+		{
+			return $this->link;
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	/**
+	 * Author's email address
+	 *
+	 * @return string|null
+	 */
+	public function get_email()
+	{
+		if ($this->email !== null)
+		{
+			return $this->email;
+		}
+		else
+		{
+			return null;
+		}
+	}
+}
+
diff --git a/3rdparty/SimplePie/SimplePie/Cache.php b/3rdparty/SimplePie/SimplePie/Cache.php
new file mode 100644
index 000000000..b19e4fe5c
--- /dev/null
+++ b/3rdparty/SimplePie/SimplePie/Cache.php
@@ -0,0 +1,121 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3-dev
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Used to create cache objects
+ *
+ * This class can be overloaded with {@see SimplePie::set_cache_class()},
+ * although the preferred way is to create your own handler
+ * via {@see register()}
+ *
+ * @package SimplePie
+ */
+class SimplePie_Cache
+{
+	/**
+	 * Cache handler classes
+	 *
+	 * These receive 3 parameters to their constructor, as documented in
+	 * {@see register()}
+	 * @var array
+	 */
+	protected static $handlers = array(
+		'mysql' => 'SimplePie_Cache_MySQL',
+		'memcache' => 'SimplePie_Cache_Memcache',
+	);
+
+	/**
+	 * Don't call the constructor. Please.
+	 */
+	private function __construct() { }
+
+	/**
+	 * Create a new SimplePie_Cache object
+	 *
+	 * @param string $location URL location (scheme is used to determine handler)
+	 * @param string $filename Unique identifier for cache object
+	 * @param string $extension 'spi' or 'spc'
+	 * @return SimplePie_Cache_Base Type of object depends on scheme of `$location`
+	 */
+	public static function create($location, $filename, $extension)
+	{
+		$type = explode(':', $location, 2);
+		$type = $type[0];
+		if (!empty(self::$handlers[$type]))
+		{
+			$class = self::$handlers[$type];
+			return new $class($location, $filename, $extension);
+		}
+
+		return new SimplePie_Cache_File($location, $filename, $extension);
+	}
+
+	/**
+	 * Register a handler
+	 *
+	 * @param string $type DSN type to register for
+	 * @param string $class Name of handler class. Must implement SimplePie_Cache_Base
+	 */
+	public static function register($type, $class)
+	{
+		self::$handlers[$type] = $class;
+	}
+
+	/**
+	 * Parse a URL into an array
+	 *
+	 * @param string $url
+	 * @return array
+	 */
+	public static function parse_URL($url)
+	{
+		$params = parse_url($url);
+		$params['extras'] = array();
+		if (isset($params['query']))
+		{
+			parse_str($params['query'], $params['extras']);
+		}
+		return $params;
+	}
+}
diff --git a/3rdparty/SimplePie/SimplePie/Cache/Base.php b/3rdparty/SimplePie/SimplePie/Cache/Base.php
new file mode 100644
index 000000000..778132faf
--- /dev/null
+++ b/3rdparty/SimplePie/SimplePie/Cache/Base.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3-dev
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Base for cache objects
+ *
+ * Classes to be used with {@see SimplePie_Cache::register()} are expected
+ * to implement this interface.
+ *
+ * @package SimplePie
+ */
+interface SimplePie_Cache_Base
+{
+	/**
+	 * Feed cache type
+	 *
+	 * @var string
+	 */
+	const TYPE_FEED = 'spc';
+
+	/**
+	 * Image cache type
+	 *
+	 * @var string
+	 */
+	const TYPE_IMAGE = 'spi';
+
+	/**
+	 * Create a new cache object
+	 *
+	 * @param string $location Location string (from SimplePie::$cache_location)
+	 * @param string $name Unique ID for the cache
+	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+	 */
+	public function __construct($location, $name, $type);
+
+	/**
+	 * Save data to the cache
+	 *
+	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+	 * @return bool Successfulness
+	 */
+	public function save($data);
+
+	/**
+	 * Retrieve the data saved to the cache
+	 *
+	 * @return array Data for SimplePie::$data
+	 */
+	public function load();
+
+	/**
+	 * Retrieve the last modified time for the cache
+	 *
+	 * @return int Timestamp
+	 */
+	public function mtime();
+
+	/**
+	 * Set the last modified time to the current time
+	 *
+	 * @return bool Success status
+	 */
+	public function touch();
+
+	/**
+	 * Remove the cache
+	 *
+	 * @return bool Success status
+	 */
+	public function unlink();
+}
diff --git a/3rdparty/SimplePie/SimplePie/Cache/DB.php b/3rdparty/SimplePie/SimplePie/Cache/DB.php
new file mode 100644
index 000000000..2cbe67cc9
--- /dev/null
+++ b/3rdparty/SimplePie/SimplePie/Cache/DB.php
@@ -0,0 +1,136 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3-dev
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Base class for database-based caches
+ *
+ * @package SimplePie
+ */
+abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base
+{
+	/**
+	 * Helper for database conversion
+	 *
+	 * Converts a given {@see SimplePie} object into data to be stored
+	 *
+	 * @param SimplePie $data
+	 * @return array First item is the serialized data for storage, second item is the unique ID for this item
+	 */
+	protected static function prepare_simplepie_object_for_cache(&$data)
+	{
+		$items = $data->get_items();
+		$items_by_id = array();
+
+		if (!empty($items))
+		{
+			foreach ($items as $item)
+			{
+				$items_by_id[$item->get_id()] = $item;
+			}
+
+			if (count($items_by_id) !== count($items))
+			{
+				$items_by_id = array();
+				foreach ($items as $item)
+				{
+					$items_by_id[$item->get_id(true)] = $item;
+				}
+			}
+
+			if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
+			}
+			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
+			}
+			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
+			}
+			elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]))
+			{
+				$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0];
+			}
+			else
+			{
+				$channel = null;
+			}
+
+			if ($channel !== null)
+			{
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']);
+				}
+				if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']))
+				{
+					unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']);
+				}
+			}
+			if (isset($data->data['items']))
+			{
+				unset($data->data['items']);
+			}
+			if (isset($data->data['ordered_items']))
+			{
+				unset($data->data['ordered_items']);
+			}
+		}
+		return array(serialize($data->data), $items_by_id);
+	}
+}
diff --git a/3rdparty/SimplePie/SimplePie/Cache/File.php b/3rdparty/SimplePie/SimplePie/Cache/File.php
new file mode 100644
index 000000000..ce3f33d65
--- /dev/null
+++ b/3rdparty/SimplePie/SimplePie/Cache/File.php
@@ -0,0 +1,172 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3-dev
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Caches data to the filesystem
+ *
+ * @package SimplePie
+ */
+class SimplePie_Cache_File implements SimplePie_Cache_Base
+{
+	/**
+	 * Location string
+	 *
+	 * @see SimplePie::$cache_location
+	 * @var string
+	 */
+	protected $location;
+
+	/**
+	 * Filename
+	 *
+	 * @var string
+	 */
+	protected $filename;
+
+	/**
+	 * File extension
+	 *
+	 * @var string
+	 */
+	protected $extension;
+
+	/**
+	 * File path
+	 *
+	 * @var string
+	 */
+	protected $name;
+
+	/**
+	 * Create a new cache object
+	 *
+	 * @param string $location Location string (from SimplePie::$cache_location)
+	 * @param string $name Unique ID for the cache
+	 * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
+	 */
+	public function __construct($location, $name, $type)
+	{
+		$this->location = $location;
+		$this->filename = $name;
+		$this->extension = $type;
+		$this->name = "$this->location/$this->filename.$this->extension";
+	}
+
+	/**
+	 * Save data to the cache
+	 *
+	 * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
+	 * @return bool Successfulness
+	 */
+	public function save($data)
+	{
+		if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
+		{
+			if ($data instanceof SimplePie)
+			{
+				$data = $data->data;
+			}
+
+			$data = serialize($data);
+			return (bool) file_put_contents($this->name, $data);
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieve the data saved to the cache
+	 *
+	 * @return array Data for SimplePie::$data
+	 */
+	public function load()
+	{
+		if (file_exists($this->name) && is_readable($this->name))
+		{
+			return unserialize(file_get_contents($this->name));
+		}
+		return false;
+	}
+
+	/**
+	 * Retrieve the last modified time for the cache
+	 *
+	 * @return int Timestamp
+	 */
+	public function mtime()
+	{
+		if (file_exists($this->name))
+		{
+			return filemtime($this->name);
+		}
+		return false;
+	}
+
+	/**
+	 * Set the last modified time to the current time
+	 *
+	 * @return bool Success status
+	 */
+	public function touch()
+	{
+		if (file_exists($this->name))
+		{
+			return touch($this->name);
+		}
+		return false;
+	}
+
+	/**
+	 * Remove the cache
+	 *
+	 * @return bool Success status
+	 */
+	public function unlink()
+	{
+		if (file_exists($this->name))
+		{
+			return unlink($this->name);
+		}
+		return false;
+	}
+}
diff --git a/3rdparty/SimplePie/SimplePie/Cache/Memcache.php b/3rdparty/SimplePie/SimplePie/Cache/Memcache.php
new file mode 100644
index 000000000..74a123550
--- /dev/null
+++ b/3rdparty/SimplePie/SimplePie/Cache/Memcache.php
@@ -0,0 +1,179 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributi