|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
4
|
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
5
|
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
6
|
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
7
|
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
8
|
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
9
|
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
10
|
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
11
|
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
12
|
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
13
|
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
14
|
|
|
* |
|
15
|
|
|
* This software consists of voluntary contributions made by many individuals |
|
16
|
|
|
* and is licensed under the LGPL. For more information please see |
|
17
|
|
|
* <http://phing.info>. |
|
18
|
|
|
*/ |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* A Path tokenizer takes a path and returns the components that make up |
|
22
|
|
|
* that path. |
|
23
|
|
|
* |
|
24
|
|
|
* The path can use path separators of either ':' or ';' and file separators |
|
25
|
|
|
* of either '/' or '\'. |
|
26
|
|
|
* |
|
27
|
|
|
* @author Hans Lellelid <[email protected]> (Phing) |
|
28
|
|
|
* @author Conor MacNeill (Ant) |
|
29
|
|
|
* @author Jeff Tulley <[email protected]> (Ant) |
|
30
|
|
|
* |
|
31
|
|
|
* @package phing.util |
|
32
|
|
|
*/ |
|
33
|
|
|
class PathTokenizer |
|
34
|
|
|
{ |
|
35
|
|
|
/** |
|
36
|
|
|
* A array of tokens, created by preg_split(). |
|
37
|
|
|
*/ |
|
38
|
|
|
private $tokens = []; |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* A string which stores any path components which have been read ahead |
|
42
|
|
|
* due to DOS filesystem compensation. |
|
43
|
|
|
* |
|
44
|
|
|
* @var string |
|
45
|
|
|
*/ |
|
46
|
|
|
private $lookahead; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Flag to indicate whether or not we are running on a platform with a |
|
50
|
|
|
* DOS style filesystem |
|
51
|
|
|
* |
|
52
|
|
|
* @var boolean |
|
53
|
|
|
*/ |
|
54
|
|
|
private $dosStyleFilesystem; |
|
55
|
|
|
|
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* Constructs a path tokenizer for the specified path. |
|
59
|
|
|
* |
|
60
|
|
|
* @param string $path The path to tokenize. Must not be <code>null</code>. |
|
61
|
|
|
*/ |
|
62
|
28 |
|
public function __construct($path) |
|
63
|
|
|
{ |
|
64
|
|
|
|
|
65
|
|
|
// on Windows and Unix, we can ignore delimiters and still have |
|
66
|
|
|
|
|
67
|
|
|
// enough information to tokenize correctly. |
|
68
|
|
|
|
|
69
|
28 |
|
$this->tokens = preg_split("/[;:]/", $path, -1, PREG_SPLIT_NO_EMPTY); |
|
70
|
|
|
|
|
71
|
28 |
|
$this->dosStyleFilesystem = (PATH_SEPARATOR == ';'); |
|
72
|
28 |
|
} |
|
73
|
|
|
|
|
74
|
|
|
|
|
75
|
|
|
/** |
|
76
|
|
|
* Tests if there are more path elements available from this tokenizer's |
|
77
|
|
|
* path. If this method returns <code>true</code>, then a subsequent call |
|
78
|
|
|
* to nextToken will successfully return a token. |
|
79
|
|
|
* |
|
80
|
|
|
* @return bool <code>true</code> if and only if there is at least one token |
|
81
|
|
|
* in the string after the current position; <code>false</code> otherwise. |
|
82
|
|
|
*/ |
|
83
|
28 |
|
public function hasMoreTokens() |
|
84
|
|
|
{ |
|
85
|
28 |
|
if ($this->lookahead !== null) { |
|
86
|
|
|
return true; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
28 |
|
return !empty($this->tokens); |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* Returns the next path element from this tokenizer. |
|
94
|
|
|
* |
|
95
|
|
|
* @return string the next path element from this tokenizer. |
|
96
|
|
|
* |
|
97
|
|
|
* @throws Exception if there are no more elements in this tokenizer's path. |
|
98
|
|
|
*/ |
|
99
|
28 |
|
public function nextToken() |
|
100
|
|
|
{ |
|
101
|
28 |
|
if ($this->lookahead !== null) { |
|
102
|
|
|
$token = $this->lookahead; |
|
103
|
|
|
|
|
104
|
|
|
$this->lookahead = null; |
|
105
|
|
|
} else { |
|
106
|
28 |
|
$token = trim(array_shift($this->tokens)); |
|
|
|
|
|
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
|
|
|
|
110
|
28 |
|
if (strlen($token) === 1 && Character::isLetter($token[0]) |
|
111
|
|
|
&& $this->dosStyleFilesystem |
|
112
|
|
|
&& !empty($this->tokens) |
|
113
|
|
|
) { |
|
114
|
|
|
// we are on a dos style system so this path could be a drive |
|
115
|
|
|
|
|
116
|
|
|
// spec. We look at the next token |
|
117
|
|
|
|
|
118
|
|
|
$nextToken = trim(array_shift($this->tokens)); |
|
119
|
|
|
|
|
120
|
|
|
if (StringHelper::startsWith('\\', $nextToken) || StringHelper::startsWith('/', $nextToken)) { |
|
121
|
|
|
// we know we are on a DOS style platform and the next path |
|
122
|
|
|
|
|
123
|
|
|
// starts with a slash or backslash, so we know this is a |
|
124
|
|
|
|
|
125
|
|
|
// drive spec |
|
126
|
|
|
|
|
127
|
|
|
$token .= ':' . $nextToken; |
|
128
|
|
|
} else { |
|
129
|
|
|
// store the token just read for next time |
|
130
|
|
|
|
|
131
|
|
|
$this->lookahead = $nextToken; |
|
132
|
|
|
} |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
28 |
|
return $token; |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
|
|
/** |
|
139
|
|
|
* Non StringTokenizer function, that indicates whether the specified path is contained in loaded tokens. |
|
140
|
|
|
* We can do this easily because in PHP implimentation we're using arrays. |
|
141
|
|
|
* |
|
142
|
|
|
* @param string $path path to search for. |
|
143
|
|
|
* |
|
144
|
|
|
* @return boolean |
|
145
|
|
|
*/ |
|
146
|
|
|
public function contains($path) |
|
147
|
|
|
{ |
|
148
|
|
|
return in_array($path, $this->tokens, true); |
|
|
|
|
|
|
149
|
|
|
} |
|
150
|
|
|
} |
|
151
|
|
|
|
phingofficial /
phing
Loading history...
