1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
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;
}
}
|
