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<?php
// SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue
// SPDX-License-Identifier: BSD-3-Clause
declare(strict_types=1);
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()}
*
* @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<string, class-string<Base>>
*/
protected static $handlers = [
'mysql' => Cache\MySQL::class,
'memcache' => Cache\Memcache::class,
'memcached' => Cache\Memcached::class,
'redis' => Cache\Redis::class,
];
/**
* 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(string $location, string $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
* @param string $location
* @param string $filename
* @param Base::TYPE_FEED|Base::TYPE_IMAGE $extension
* @return Base
*/
public function create(string $location, string $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
* @return void
*/
public static function register(string $type, $class)
{
self::$handlers[$type] = $class;
}
/**
* Parse a URL into an array
*
* @param string $url
* @return array<string, mixed>
*/
public static function parse_URL(string $url)
{
$parsedUrl = parse_url($url);
if ($parsedUrl === false) {
return [];
}
$params = array_merge($parsedUrl, ['extras' => []]);
if (isset($params['query'])) {
parse_str($params['query'], $params['extras']);
}
return $params;
}
}
class_alias('SimplePie\Cache', 'SimplePie_Cache');