1<?php
2
3declare(strict_types=1);
4/**
5 * SimplePie
6 *
7 * A PHP-Based RSS and Atom Feed Framework.
8 * Takes the hard work out of managing a complete RSS/Atom solution.
9 *
10 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without modification, are
14 * permitted provided that the following conditions are met:
15 *
16 * 	* Redistributions of source code must retain the above copyright notice, this list of
17 * 	  conditions and the following disclaimer.
18 *
19 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
20 * 	  of conditions and the following disclaimer in the documentation and/or other materials
21 * 	  provided with the distribution.
22 *
23 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
24 * 	  to endorse or promote products derived from this software without specific prior
25 * 	  written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
28 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
29 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
30 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
34 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 *
37 * @package SimplePie
38 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
39 * @author Ryan Parman
40 * @author Sam Sneddon
41 * @author Ryan McCue
42 * @link http://simplepie.org/ SimplePie
43 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
44 */
45
46namespace SimplePie;
47
48use SimplePie\Cache\Base;
49
50/**
51 * Used to create cache objects
52 *
53 * This class can be overloaded with {@see SimplePie::set_cache_class()},
54 * although the preferred way is to create your own handler
55 * via {@see register()}
56 *
57 * @package SimplePie
58 * @subpackage Caching
59 * @deprecated since SimplePie 1.8.0, use "SimplePie\SimplePie::set_cache()" instead
60 */
61class Cache
62{
63    /**
64     * Cache handler classes
65     *
66     * These receive 3 parameters to their constructor, as documented in
67     * {@see register()}
68     * @var array
69     */
70    protected static $handlers = [
71        'mysql'     => 'SimplePie\Cache\MySQL',
72        'memcache'  => 'SimplePie\Cache\Memcache',
73        'memcached' => 'SimplePie\Cache\Memcached',
74        'redis'     => 'SimplePie\Cache\Redis'
75    ];
76
77    /**
78     * Don't call the constructor. Please.
79     */
80    private function __construct()
81    {
82    }
83
84    /**
85     * Create a new SimplePie\Cache object
86     *
87     * @param string $location URL location (scheme is used to determine handler)
88     * @param string $filename Unique identifier for cache object
89     * @param Base::TYPE_FEED|Base::TYPE_IMAGE $extension 'spi' or 'spc'
90     * @return Base Type of object depends on scheme of `$location`
91     */
92    public static function get_handler($location, $filename, $extension)
93    {
94        $type = explode(':', $location, 2);
95        $type = $type[0];
96        if (!empty(self::$handlers[$type])) {
97            $class = self::$handlers[$type];
98            return new $class($location, $filename, $extension);
99        }
100
101        return new \SimplePie\Cache\File($location, $filename, $extension);
102    }
103
104    /**
105     * Create a new SimplePie\Cache object
106     *
107     * @deprecated since SimplePie 1.3.1, use {@see get_handler()} instead
108     */
109    public function create($location, $filename, $extension)
110    {
111        trigger_error('Cache::create() has been replaced with Cache::get_handler() since SimplePie 1.3.1, use the registry system instead.', \E_USER_DEPRECATED);
112
113        return self::get_handler($location, $filename, $extension);
114    }
115
116    /**
117     * Register a handler
118     *
119     * @param string $type DSN type to register for
120     * @param class-string<Base> $class Name of handler class. Must implement Base
121     */
122    public static function register($type, $class)
123    {
124        self::$handlers[$type] = $class;
125    }
126
127    /**
128     * Parse a URL into an array
129     *
130     * @param string $url
131     * @return array
132     */
133    public static function parse_URL($url)
134    {
135        $params = parse_url($url);
136        $params['extras'] = [];
137        if (isset($params['query'])) {
138            parse_str($params['query'], $params['extras']);
139        }
140        return $params;
141    }
142}
143
144class_alias('SimplePie\Cache', 'SimplePie_Cache');
145