diff options
Diffstat (limited to 'library/SimplePie/Cache.php')
| -rw-r--r-- | library/SimplePie/Cache.php | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/library/SimplePie/Cache.php b/library/SimplePie/Cache.php new file mode 100644 index 0000000..75586d7 --- /dev/null +++ b/library/SimplePie/Cache.php @@ -0,0 +1,133 @@ +<?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 1.3.1 + * @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 + * @subpackage Caching + */ +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 get_handler($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, $extension); + } + + /** + * Create a new SimplePie_Cache object + * + * @deprecated Use {@see get_handler} instead + */ + public function create($location, $filename, $extension) + { + trigger_error('Cache::create() has been replaced with Cache::get_handler(). Switch to the registry system to use this.', E_USER_DEPRECATED); + return self::get_handler($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; + } +} |