Skip to content
Navigation Menu
{{ message }}
forked from bcit-ci/CodeIgniter
-
Notifications
You must be signed in to change notification settings - Fork 57
Expand file tree
/
Copy pathDriver.php
More file actions
344 lines (308 loc) · 8.17 KB
/
Copy pathDriver.php
File metadata and controls
344 lines (308 loc) · 8.17 KB
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2019 - 2022, CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CodeIgniter Driver Library Class
*
* This class enables you to create "Driver" libraries that add runtime ability
* to extend the capabilities of a class via additional driver objects
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link
*/
#[AllowDynamicProperties]
class CI_Driver_Library {
/**
* Array of drivers that are available to use with the driver class
*
* @var array
*/
protected $valid_drivers = array();
/**
* Name of the current class - usually the driver class
*
* @var string
*/
protected $lib_name;
/**
* Get magic method
*
* The first time a child is used it won't exist, so we instantiate it
* subsequents calls will go straight to the proper child.
*
* @param string Child class name
* @return object Child class
*/
public function __get($child)
{
// Try to load the driver
return $this->load_driver($child);
}
/**
* Load driver
*
* Separate load_driver call to support explicit driver load by library or user
*
* @param string Driver name (w/o parent prefix)
* @return object Child class
*/
public function load_driver($child)
{
// Get CodeIgniter instance and subclass prefix
$prefix = config_item('subclass_prefix');
if ( ! isset($this->lib_name))
{
// Get library name without any prefix
$this->lib_name = str_replace(array('CI_', $prefix), '', get_class($this));
}
// The child will be prefixed with the parent lib
$child_name = $this->lib_name.'_'.$child;
// See if requested child is a valid driver
if ( ! in_array($child, $this->valid_drivers))
{
// The requested driver isn't valid!
$msg = 'Invalid driver requested: '.$child_name;
log_message('error', $msg);
show_error($msg);
}
// Get package paths and filename case variations to search
$CI = get_instance();
$paths = $CI->load->get_package_paths(TRUE);
// Is there an extension?
$class_name = $prefix.$child_name;
$found = class_exists($class_name, FALSE);
if ( ! $found)
{
// Check for subclass file
foreach ($paths as $path)
{
// Does the file exist?
$file = $path.'libraries/'.$this->lib_name.'/drivers/'.$prefix.$child_name.'.php';
if (file_exists($file))
{
// Yes - require base class from BASEPATH
$basepath = BASEPATH.'libraries/'.$this->lib_name.'/drivers/'.$child_name.'.php';
if ( ! file_exists($basepath))
{
$msg = 'Unable to load the requested class: CI_'.$child_name;
log_message('error', $msg);
show_error($msg);
}
// Include both sources and mark found
include_once($basepath);
include_once($file);
$found = TRUE;
break;
}
}
}
// Do we need to search for the class?
if ( ! $found)
{
// Use standard class name
$class_name = 'CI_'.$child_name;
if ( ! class_exists($class_name, FALSE))
{
// Check package paths
foreach ($paths as $path)
{
// Does the file exist?
$file = $path.'libraries/'.$this->lib_name.'/drivers/'.$child_name.'.php';
if (file_exists($file))
{
// Include source
include_once($file);
break;
}
}
}
}
// Did we finally find the class?
if ( ! class_exists($class_name, FALSE))
{
if (class_exists($child_name, FALSE))
{
$class_name = $child_name;
}
else
{
$msg = 'Unable to load the requested driver: '.$class_name;
log_message('error', $msg);
show_error($msg);
}
}
// Instantiate, decorate and add child
$obj = new $class_name();
$obj->decorate($this);
$this->$child = $obj;
return $this->$child;
}
}
// --------------------------------------------------------------------------
/**
* CodeIgniter Driver Class
*
* This class enables you to create drivers for a Library based on the Driver Library.
* It handles the drivers' access to the parent library
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link
*/
class CI_Driver {
/**
* Instance of the parent class
*
* @var object
*/
protected $_parent;
/**
* List of methods in the parent class
*
* @var array
*/
protected $_methods = array();
/**
* List of properties in the parent class
*
* @var array
*/
protected $_properties = array();
/**
* Array of methods and properties for the parent class(es)
*
* @static
* @var array
*/
protected static $_reflections = array();
/**
* Decorate
*
* Decorates the child with the parent driver lib's methods and properties
*
* @param object
* @return void
*/
public function decorate($parent)
{
$this->_parent = $parent;
// Lock down attributes to what is defined in the class
// and speed up references in magic methods
$class_name = get_class($parent);
if ( ! isset(self::$_reflections[$class_name]))
{
$r = new ReflectionObject($parent);
foreach ($r->getMethods() as $method)
{
if ($method->isPublic())
{
$this->_methods[] = $method->getName();
}
}
foreach ($r->getProperties() as $prop)
{
if ($prop->isPublic())
{
$this->_properties[] = $prop->getName();
}
}
self::$_reflections[$class_name] = array($this->_methods, $this->_properties);
}
else
{
list($this->_methods, $this->_properties) = self::$_reflections[$class_name];
}
}
// --------------------------------------------------------------------
/**
* __call magic method
*
* Handles access to the parent driver library's methods
*
* @param string
* @param array
* @return mixed
*/
public function __call($method, $args = array())
{
if (in_array($method, $this->_methods))
{
return call_user_func_array(array($this->_parent, $method), $args);
}
throw new BadMethodCallException('No such method: '.$method.'()');
}
// --------------------------------------------------------------------
/**
* __get magic method
*
* Handles reading of the parent driver library's properties
*
* @param string
* @return mixed
*/
public function __get($var)
{
if (in_array($var, $this->_properties))
{
return $this->_parent->$var;
}
}
// --------------------------------------------------------------------
/**
* __set magic method
*
* Handles writing to the parent driver library's properties
*
* @param string
* @param array
* @return mixed
*/
public function __set($var, $val)
{
if (in_array($var, $this->_properties))
{
$this->_parent->$var = $val;
}
}
}
You can’t perform that action at this time.