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1 | <?php |
2 | /** | |
3 | * SimplePie | |
4 | * | |
5 | * A PHP-Based RSS and Atom Feed Framework. | |
6 | * Takes the hard work out of managing a complete RSS/Atom solution. | |
7 | * | |
8 | * Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors | |
9 | * All rights reserved. | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without modification, are | |
12 | * permitted provided that the following conditions are met: | |
13 | * | |
14 | * * Redistributions of source code must retain the above copyright notice, this list of | |
15 | * conditions and the following disclaimer. | |
16 | * | |
17 | * * Redistributions in binary form must reproduce the above copyright notice, this list | |
18 | * of conditions and the following disclaimer in the documentation and/or other materials | |
19 | * provided with the distribution. | |
20 | * | |
21 | * * Neither the name of the SimplePie Team nor the names of its contributors may be used | |
22 | * to endorse or promote products derived from this software without specific prior | |
23 | * written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS | |
26 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY | |
27 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS | |
28 | * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
29 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
31 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
32 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
33 | * POSSIBILITY OF SUCH DAMAGE. | |
34 | * | |
35 | * @package SimplePie | |
36 | * @version 1.3-dev | |
37 | * @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue | |
38 | * @author Ryan Parman | |
39 | * @author Geoffrey Sneddon | |
40 | * @author Ryan McCue | |
41 | * @link http://simplepie.org/ SimplePie | |
42 | * @license http://www.opensource.org/licenses/bsd-license.php BSD License | |
43 | * @todo phpDoc comments | |
44 | */ | |
45 | ||
46 | ||
47 | class SimplePie_Cache | |
48 | { | |
49 | /** | |
50 | * Cache handler classes | |
51 | * | |
52 | * These receive 3 parameters to their constructor, as documented in | |
53 | * {@see register()} | |
54 | * @var array | |
55 | */ | |
56 | protected static $handlers = array( | |
57 | 'mysql' => 'SimplePie_Cache_MySQL', | |
58 | 'memcache' => 'SimplePie_Cache_Memcache', | |
59 | ); | |
60 | ||
61 | /** | |
62 | * Don't call the constructor. Please. | |
63 | */ | |
64 | private function __construct() { } | |
65 | ||
66 | /** | |
67 | * Create a new SimplePie_Cache object | |
68 | */ | |
69 | public static function create($location, $filename, $extension) | |
70 | { | |
71 | $type = explode(':', $location, 2); | |
72 | $type = $type[0]; | |
73 | if (!empty(self::$handlers[$type])) | |
74 | { | |
75 | $class = self::$handlers[$type]; | |
76 | return new $class($location, $filename, $extension); | |
77 | } | |
78 | ||
79 | return new SimplePie_Cache_File($location, $filename, $extension); | |
80 | } | |
81 | ||
82 | /** | |
83 | * Register a handler | |
84 | * | |
85 | * @param string $type DSN type to register for | |
86 | * @param string $class Name of handler class. Must implement SimplePie_Cache_Base | |
87 | */ | |
88 | public static function register($type, $class) | |
89 | { | |
90 | self::$handlers[$type] = $class; | |
91 | } | |
92 | ||
93 | /** | |
94 | * Parse a URL into an array | |
95 | * | |
96 | * @param string $url | |
97 | * @return array | |
98 | */ | |
99 | public static function parse_URL($url) | |
100 | { | |
101 | $params = parse_url($url); | |
102 | $params['extras'] = array(); | |
103 | if (isset($params['query'])) | |
104 | { | |
105 | parse_str($params['query'], $params['extras']); | |
106 | } | |
107 | return $params; | |
108 | } | |
109 | } |