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
|
<?php
/* * This file is part of the Symfony package. * * (c) Fabien Potencier <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
namespace Symfony\Component\Finder;
/** * Glob matches globbing patterns against text. * * if match_glob("foo.*", "foo.bar") echo "matched\n"; * * // prints foo.bar and foo.baz * $regex = glob_to_regex("foo.*"); * for (['foo.bar', 'foo.baz', 'foo', 'bar'] as $t) * { * if (/$regex/) echo "matched: $car\n"; * } * * Glob implements glob(3) style matching that can be used to match * against text, rather than fetching names from a filesystem. * * Based on the Perl Text::Glob module. * * @author Fabien Potencier <[email protected]> PHP port * @author Richard Clamp <[email protected]> Perl version * @copyright 2004-2005 Fabien Potencier <[email protected]> * @copyright 2002 Richard Clamp <[email protected]> */ class Glob { /** * Returns a regexp which is the equivalent of the glob pattern. * * @param string $glob The glob pattern * @param bool $strictLeadingDot * @param bool $strictWildcardSlash * @param string $delimiter Optional delimiter * * @return string regex The regexp */ public static function toRegex($glob, $strictLeadingDot = true, $strictWildcardSlash = true, $delimiter = '#') { $firstByte = true; $escaping = false; $inCurlies = 0; $regex = ''; $sizeGlob = \strlen($glob); for ($i = 0; $i < $sizeGlob; ++$i) { $car = $glob[$i]; if ($firstByte && $strictLeadingDot && '.' !== $car) { $regex .= '(?=[^\.])'; }
$firstByte = '/' === $car;
if ($firstByte && $strictWildcardSlash && isset($glob[$i + 2]) && '**' === $glob[$i + 1].$glob[$i + 2] && (!isset($glob[$i + 3]) || '/' === $glob[$i + 3])) { $car = '[^/]++/'; if (!isset($glob[$i + 3])) { $car .= '?'; }
if ($strictLeadingDot) { $car = '(?=[^\.])'.$car; }
$car = '/(?:'.$car.')*'; $i += 2 + isset($glob[$i + 3]);
if ('/' === $delimiter) { $car = str_replace('/', '\\/', $car); } }
if ($delimiter === $car || '.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) { $regex .= "\\$car"; } elseif ('*' === $car) { $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*'); } elseif ('?' === $car) { $regex .= $escaping ? '\\?' : ($strictWildcardSlash ? '[^/]' : '.'); } elseif ('{' === $car) { $regex .= $escaping ? '\\{' : '('; if (!$escaping) { ++$inCurlies; } } elseif ('}' === $car && $inCurlies) { $regex .= $escaping ? '}' : ')'; if (!$escaping) { --$inCurlies; } } elseif (',' === $car && $inCurlies) { $regex .= $escaping ? ',' : '|'; } elseif ('\\' === $car) { if ($escaping) { $regex .= '\\\\'; $escaping = false; } else { $escaping = true; }
continue; } else { $regex .= $car; } $escaping = false; }
return $delimiter.'^'.$regex.'$'.$delimiter; } }
|