Newer
Older
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
<?php
/**
* Class with static methods for loading classes and files
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
* Bertrand Mansion <golgote@mamasam.com>
* 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.
* * The names of the authors may not 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 OWNER OR
* 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.
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version SVN: $Id: Loader.php 294057 2010-01-26 21:10:28Z avb $
* @link http://pear.php.net/package/HTML_QuickForm2
*/
/**
* Exception classes for HTML_QuickForm2
*/
// require_once 'HTML/QuickForm2/Exception.php';
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
/**
* Class with static methods for loading classes and files
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @version Release: @package_version@
*/
class HTML_QuickForm2_Loader
{
/**
* Tries to load a given class
*
* If no $includeFile was provided, $className will be used with underscores
* replaced with path separators and '.php' extension appended
*
* @param string Class name to load
* @param string Name of the file (supposedly) containing the given class
* @throws HTML_QuickForm2_NotFoundException If the file either can't be
* loaded or doesn't contain the given class
*/
public static function loadClass($className, $includeFile = null)
{
if (class_exists($className, false) || interface_exists($className, false)) {
return true;
}
if (empty($includeFile)) {
$includeFile = str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
}
// Do not silence the errors with @, parse errors will not be seen
include $includeFile;
// Still no class?
if (!class_exists($className, false) && !interface_exists($className, false)) {
if (!self::fileExists($includeFile)) {
throw new HTML_QuickForm2_NotFoundException(
"File '$includeFile' was not found"
);
} else {
throw new HTML_QuickForm2_NotFoundException(
"Class '$className' was not found within file '$includeFile'"
);
}
}
}
/**
* Checks whether the file exists in the include path
*
* @param string file name
* @return bool
*/
public static function fileExists($fileName)
{
$fp = @fopen($fileName, 'r', true);
if (is_resource($fp)) {
fclose($fp);
return true;
}
return false;
}
/**
* Loading of HTML_QuickForm2_* classes suitable for SPL autoload mechanism
*
* This method will only try to load a class if its name starts with
* HTML_QuickForm2. Register with the following:
* <code>
* spl_autoload_register(array('HTML_QuickForm2_Loader', 'autoload'));
* </code>
*
* @param string Class name
* @return bool Whether class loaded successfully
*/
public static function autoload($class)
{
if (0 !== strpos($class, 'HTML_QuickForm2')) {
return false;
}
try {
@self::loadClass($class);
return true;
} catch (Exception $e) {
return false;
}
}
}
?>