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authortcitworld <thomas.citharet@gmail.com>2014-01-04 12:30:31 -0800
committertcitworld <thomas.citharet@gmail.com>2014-01-04 12:30:31 -0800
commit7f667839764621b5aa01c9db8ce5dde2a29ef18f (patch)
tree93d8241ee81c87e18494325ae02f0589a8e328a2 /inc/3rdparty/libraries/simplepie/library/SimplePie/Registry.php
parenta84f77d6ba15a64ff00453f5d5190c021ce460ed (diff)
parent2abcccb37180c17318f5226f5d4bc28f30b621ea (diff)
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Merge pull request #1 from inthepoche/dev
Dev
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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) 2004-2012, 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 1.3.1
37 * @copyright 2004-2012 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 */
44
45/**
46 * Handles creating objects and calling methods
47 *
48 * Access this via {@see SimplePie::get_registry()}
49 *
50 * @package SimplePie
51 */
52class SimplePie_Registry
53{
54 /**
55 * Default class mapping
56 *
57 * Overriding classes *must* subclass these.
58 *
59 * @var array
60 */
61 protected $default = array(
62 'Cache' => 'SimplePie_Cache',
63 'Locator' => 'SimplePie_Locator',
64 'Parser' => 'SimplePie_Parser',
65 'File' => 'SimplePie_File',
66 'Sanitize' => 'SimplePie_Sanitize',
67 'Item' => 'SimplePie_Item',
68 'Author' => 'SimplePie_Author',
69 'Category' => 'SimplePie_Category',
70 'Enclosure' => 'SimplePie_Enclosure',
71 'Caption' => 'SimplePie_Caption',
72 'Copyright' => 'SimplePie_Copyright',
73 'Credit' => 'SimplePie_Credit',
74 'Rating' => 'SimplePie_Rating',
75 'Restriction' => 'SimplePie_Restriction',
76 'Content_Type_Sniffer' => 'SimplePie_Content_Type_Sniffer',
77 'Source' => 'SimplePie_Source',
78 'Misc' => 'SimplePie_Misc',
79 'XML_Declaration_Parser' => 'SimplePie_XML_Declaration_Parser',
80 'Parse_Date' => 'SimplePie_Parse_Date',
81 );
82
83 /**
84 * Class mapping
85 *
86 * @see register()
87 * @var array
88 */
89 protected $classes = array();
90
91 /**
92 * Legacy classes
93 *
94 * @see register()
95 * @var array
96 */
97 protected $legacy = array();
98
99 /**
100 * Constructor
101 *
102 * No-op
103 */
104 public function __construct() { }
105
106 /**
107 * Register a class
108 *
109 * @param string $type See {@see $default} for names
110 * @param string $class Class name, must subclass the corresponding default
111 * @param bool $legacy Whether to enable legacy support for this class
112 * @return bool Successfulness
113 */
114 public function register($type, $class, $legacy = false)
115 {
116 if (!is_subclass_of($class, $this->default[$type]))
117 {
118 return false;
119 }
120
121 $this->classes[$type] = $class;
122
123 if ($legacy)
124 {
125 $this->legacy[] = $class;
126 }
127
128 return true;
129 }
130
131 /**
132 * Get the class registered for a type
133 *
134 * Where possible, use {@see create()} or {@see call()} instead
135 *
136 * @param string $type
137 * @return string|null
138 */
139 public function get_class($type)
140 {
141 if (!empty($this->classes[$type]))
142 {
143 return $this->classes[$type];
144 }
145 if (!empty($this->default[$type]))
146 {
147 return $this->default[$type];
148 }
149
150 return null;
151 }
152
153 /**
154 * Create a new instance of a given type
155 *
156 * @param string $type
157 * @param array $parameters Parameters to pass to the constructor
158 * @return object Instance of class
159 */
160 public function &create($type, $parameters = array())
161 {
162 $class = $this->get_class($type);
163
164 if (in_array($class, $this->legacy))
165 {
166 switch ($type)
167 {
168 case 'locator':
169 // Legacy: file, timeout, useragent, file_class, max_checked_feeds, content_type_sniffer_class
170 // Specified: file, timeout, useragent, max_checked_feeds
171 $replacement = array($this->get_class('file'), $parameters[3], $this->get_class('content_type_sniffer'));
172 array_splice($parameters, 3, 1, $replacement);
173 break;
174 }
175 }
176
177 if (!method_exists($class, '__construct'))
178 {
179 $instance = new $class;
180 }
181 else
182 {
183 $reflector = new ReflectionClass($class);
184 $instance = $reflector->newInstanceArgs($parameters);
185 }
186
187 if (method_exists($instance, 'set_registry'))
188 {
189 $instance->set_registry($this);
190 }
191 return $instance;
192 }
193
194 /**
195 * Call a static method for a type
196 *
197 * @param string $type
198 * @param string $method
199 * @param array $parameters
200 * @return mixed
201 */
202 public function &call($type, $method, $parameters = array())
203 {
204 $class = $this->get_class($type);
205
206 if (in_array($class, $this->legacy))
207 {
208 switch ($type)
209 {
210 case 'Cache':
211 // For backwards compatibility with old non-static
212 // Cache::create() methods
213 if ($method === 'get_handler')
214 {
215 $result = @call_user_func_array(array($class, 'create'), $parameters);
216 return $result;
217 }
218 break;
219 }
220 }
221
222 $result = call_user_func_array(array($class, $method), $parameters);
223 return $result;
224 }
225} \ No newline at end of file