<?php

/**

 * SimplePie

 *

 * A PHP-Based RSS and Atom Feed Framework.

 * Takes the hard work out of managing a complete RSS/Atom solution.

 *

 * Copyright (c) 2004-2022, Ryan Parman, Sam 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

 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue

 * @author Ryan Parman

 * @author Sam Sneddon

 * @author Ryan McCue

 * @link http://simplepie.org/ SimplePie

 * @license http://www.opensource.org/licenses/bsd-license.php BSD License

 */

namespace SimplePie;

use SimplePie\Cache\Base;

/**

 * 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

 * @deprecated since SimplePie 1.8.0, use "SimplePie\SimplePie::set_cache()" instead

 */

class Cache

{

    /**

     * Cache handler classes

     *

     * These receive 3 parameters to their constructor, as documented in

     * {@see register()}

     * @var array

     */

    protected static $handlers = [

        'mysql'     => 'SimplePie\Cache\MySQL',

        'memcache'  => 'SimplePie\Cache\Memcache',

        'memcached' => 'SimplePie\Cache\Memcached',

        'redis'     => 'SimplePie\Cache\Redis'

    ];

    /**

     * 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 Base::TYPE_FEED|Base::TYPE_IMAGE $extension 'spi' or 'spc'

     * @return 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 since SimplePie 1.3.1, use {@see get_handler()} instead

     */

    public function create($location, $filename, $extension)

    {

        trigger_error('Cache::create() has been replaced with Cache::get_handler() since SimplePie 1.3.1, use the registry system instead.', \E_USER_DEPRECATED);

        return self::get_handler($location, $filename, $extension);

    }

    /**

     * Register a handler

     *

     * @param string $type DSN type to register for

     * @param class-string<Base> $class Name of handler class. Must implement 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'] = [];

        if (isset($params['query'])) {

            parse_str($params['query'], $params['extras']);

        }

        return $params;

    }

}

class_alias('SimplePie\Cache', 'SimplePie_Cache');