|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* this file is part of pipelines */ |
|
4
|
|
|
|
|
5
|
|
|
namespace Ktomk\Pipelines; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Class LibFsPath - path utility functions |
|
9
|
|
|
* |
|
10
|
|
|
* @package Ktomk\Pipelines |
|
11
|
|
|
*/ |
|
12
|
|
|
class LibFsPath |
|
13
|
|
|
{ |
|
14
|
|
|
/** |
|
15
|
|
|
* check if path is absolute |
|
16
|
|
|
* |
|
17
|
|
|
* @param string $path |
|
18
|
|
|
* |
|
19
|
|
|
* @return bool |
|
20
|
|
|
*/ |
|
21
|
8 |
|
public static function isAbsolute($path) |
|
22
|
|
|
{ |
|
23
|
|
|
// TODO: a variant with PHP stream wrapper prefix support |
|
24
|
|
|
/* @see LibFsStream::isUri */ |
|
25
|
|
|
|
|
26
|
8 |
|
$count = strspn($path, '/', 0, 3) % 2; |
|
27
|
|
|
|
|
28
|
8 |
|
return (bool)$count; |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* check if path is basename |
|
33
|
|
|
* |
|
34
|
|
|
* @param string $path |
|
35
|
|
|
* |
|
36
|
|
|
* @return bool |
|
37
|
|
|
*/ |
|
38
|
5 |
|
public static function isBasename($path) |
|
39
|
|
|
{ |
|
40
|
5 |
|
if (in_array($path, array('', '.', '..'), true)) { |
|
41
|
1 |
|
return false; |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
4 |
|
if (false !== strpos($path, '/')) { |
|
45
|
3 |
|
return false; |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
1 |
|
return true; |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
/** |
|
52
|
|
|
* Resolve relative path segments in a path on it's own |
|
53
|
|
|
* |
|
54
|
|
|
* This is not realpath, not resolving any links. |
|
55
|
|
|
* |
|
56
|
|
|
* @param string $path |
|
57
|
|
|
* |
|
58
|
|
|
* @return string |
|
59
|
|
|
*/ |
|
60
|
17 |
|
public static function normalizeSegments($path) |
|
61
|
|
|
{ |
|
62
|
17 |
|
if ('' === $path) { |
|
63
|
1 |
|
return $path; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
16 |
|
$buffer = $path; |
|
67
|
|
|
|
|
68
|
16 |
|
$prefix = ''; |
|
69
|
16 |
|
$len = strspn($buffer, '/'); |
|
70
|
16 |
|
if (0 < $len) { |
|
71
|
8 |
|
$prefix = substr($buffer, 0, $len); |
|
72
|
8 |
|
$buffer = substr($buffer, $len); |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
16 |
|
$buffer = rtrim($buffer, '/'); |
|
76
|
|
|
|
|
77
|
16 |
|
if (in_array($buffer, array('', '.'), true)) { |
|
78
|
4 |
|
return $prefix; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
12 |
|
$pos = strpos($buffer, '/'); |
|
82
|
12 |
|
if (false === $pos) { |
|
83
|
2 |
|
return $prefix . $buffer; |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
10 |
|
$buffer = preg_replace('~/+~', '/', $buffer); |
|
87
|
|
|
|
|
88
|
10 |
|
$segments = explode('/', $buffer); |
|
89
|
10 |
|
$stack = array(); |
|
90
|
10 |
|
foreach ($segments as $segment) { |
|
91
|
10 |
|
$i = count($stack) - 1; |
|
92
|
10 |
|
if ('.' === $segment) { |
|
93
|
2 |
|
continue; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
10 |
|
if ('..' !== $segment) { |
|
97
|
10 |
|
$stack[] = $segment; |
|
98
|
|
|
|
|
99
|
10 |
|
continue; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
8 |
|
if (($i > -1) && '..' !== $stack[$i]) { |
|
103
|
8 |
|
array_pop($stack); |
|
104
|
|
|
|
|
105
|
8 |
|
continue; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
1 |
|
$stack[] = $segment; |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
10 |
|
return $prefix . implode('/', $stack); |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
/** |
|
115
|
|
|
* Normalize a path as/if common in PHP |
|
116
|
|
|
* |
|
117
|
|
|
* E.g. w/ phar:// in front which means w/ stream wrappers in |
|
118
|
|
|
* mind. |
|
119
|
|
|
* |
|
120
|
|
|
* @param string $path |
|
121
|
|
|
* |
|
122
|
|
|
* @return string |
|
123
|
|
|
*/ |
|
124
|
5 |
|
public static function normalize($path) |
|
125
|
|
|
{ |
|
126
|
5 |
|
$buffer = $path; |
|
127
|
|
|
|
|
128
|
5 |
|
$scheme = ''; |
|
129
|
|
|
// TODO support for all supported stream wrappers (w/ absolute/relative notation?) |
|
130
|
|
|
/* @see LibFsStream::isUri */ |
|
131
|
|
|
/* @see LibFsPath::isAbsolute */ |
|
132
|
5 |
|
if (0 === strpos($buffer, 'phar://') || 0 === strpos($buffer, 'file://')) { |
|
133
|
4 |
|
$scheme = substr($buffer, 0, 7); |
|
134
|
4 |
|
$buffer = substr($buffer, 7); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
5 |
|
$normalized = self::normalizeSegments($buffer); |
|
138
|
|
|
|
|
139
|
5 |
|
return $scheme . $normalized; |
|
140
|
|
|
} |
|
141
|
|
|
} |
|
142
|
|
|
|
ktomk /
pipelines
