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133 lines
4.2 KiB
133 lines
4.2 KiB
<?php |
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/** |
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* SimplePie |
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* |
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* A PHP-Based RSS and Atom Feed Framework. |
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* Takes the hard work out of managing a complete RSS/Atom solution. |
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* |
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* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without modification, are |
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* permitted provided that the following conditions are met: |
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* |
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* * Redistributions of source code must retain the above copyright notice, this list of |
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* conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright notice, this list |
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* of conditions and the following disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used |
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* to endorse or promote products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS |
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS |
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @package SimplePie |
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* @version 1.3.1 |
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* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue |
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* @author Ryan Parman |
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* @author Geoffrey Sneddon |
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* @author Ryan McCue |
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* @link http://simplepie.org/ SimplePie |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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*/ |
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/** |
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* Used to create cache objects |
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* |
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* This class can be overloaded with {@see SimplePie::set_cache_class()}, |
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* although the preferred way is to create your own handler |
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* via {@see register()} |
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* |
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* @package SimplePie |
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* @subpackage Caching |
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*/ |
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class SimplePie_Cache |
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{ |
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/** |
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* Cache handler classes |
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* |
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* These receive 3 parameters to their constructor, as documented in |
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* {@see register()} |
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* @var array |
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*/ |
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protected static $handlers = array( |
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'mysql' => 'SimplePie_Cache_MySQL', |
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'memcache' => 'SimplePie_Cache_Memcache', |
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); |
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/** |
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* Don't call the constructor. Please. |
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*/ |
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private function __construct() { } |
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/** |
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* Create a new SimplePie_Cache object |
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* |
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* @param string $location URL location (scheme is used to determine handler) |
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* @param string $filename Unique identifier for cache object |
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* @param string $extension 'spi' or 'spc' |
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* @return SimplePie_Cache_Base Type of object depends on scheme of `$location` |
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*/ |
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public static function get_handler($location, $filename, $extension) |
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{ |
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$type = explode(':', $location, 2); |
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$type = $type[0]; |
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if (!empty(self::$handlers[$type])) |
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{ |
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$class = self::$handlers[$type]; |
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return new $class($location, $filename, $extension); |
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} |
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return new SimplePie_Cache_File($location, $filename, $extension); |
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} |
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/** |
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* Create a new SimplePie_Cache object |
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* |
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* @deprecated Use {@see get_handler} instead |
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*/ |
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public function create($location, $filename, $extension) |
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{ |
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trigger_error('Cache::create() has been replaced with Cache::get_handler(). Switch to the registry system to use this.', E_USER_DEPRECATED); |
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return self::get_handler($location, $filename, $extension); |
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} |
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/** |
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* Register a handler |
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* |
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* @param string $type DSN type to register for |
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* @param string $class Name of handler class. Must implement SimplePie_Cache_Base |
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*/ |
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public static function register($type, $class) |
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{ |
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self::$handlers[$type] = $class; |
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} |
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/** |
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* Parse a URL into an array |
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* |
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* @param string $url |
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* @return array |
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*/ |
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public static function parse_URL($url) |
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{ |
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$params = parse_url($url); |
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$params['extras'] = array(); |
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if (isset($params['query'])) |
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{ |
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parse_str($params['query'], $params['extras']); |
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} |
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return $params; |
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} |
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}
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