|
1
|
|
|
<?php |
|
2
|
|
|
namespace Yiisoft\Aliases; |
|
3
|
|
|
|
|
4
|
|
|
final class Aliases |
|
5
|
|
|
{ |
|
6
|
|
|
private $aliases = []; |
|
7
|
|
|
|
|
8
|
|
|
/** |
|
9
|
|
|
* Magic setter to enable simple aliases configuration. |
|
10
|
|
|
* @param string $name |
|
11
|
|
|
* @param string $value |
|
12
|
|
|
*/ |
|
13
|
|
|
public function __set($name, $value) |
|
14
|
|
|
{ |
|
15
|
|
|
$this->set($name, $value); |
|
16
|
|
|
} |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* Registers a path alias. |
|
20
|
|
|
* |
|
21
|
|
|
* A path alias is a short name representing a long path (a file path, a URL, etc.) |
|
22
|
|
|
* For example, we use '@yii' as the alias of the path to the Yii framework directory. |
|
23
|
|
|
* |
|
24
|
|
|
* A path alias must start with the character '@' so that it can be easily differentiated |
|
25
|
|
|
* from non-alias paths. |
|
26
|
|
|
* |
|
27
|
|
|
* Note that this method does not check if the given path exists or not. All it does is |
|
28
|
|
|
* to associate the alias with the path. |
|
29
|
|
|
* |
|
30
|
|
|
* Any trailing '/' and '\' characters in the given path will be trimmed. |
|
31
|
|
|
* |
|
32
|
|
|
* See the [guide article on aliases](guide:concept-aliases) for more information. |
|
33
|
|
|
* |
|
34
|
|
|
* @param string $alias the alias name (e.g. "@yii"). It must start with a '@' character. |
|
35
|
|
|
* It may contain the forward slash '/' which serves as boundary character when performing |
|
36
|
|
|
* alias translation by [[get()]]. |
|
37
|
|
|
* @param string $path the path corresponding to the alias. If this is null, the alias will |
|
38
|
|
|
* be removed. Trailing '/' and '\' characters will be trimmed. This can be |
|
39
|
|
|
* |
|
40
|
|
|
* - a directory or a file path (e.g. `/tmp`, `/tmp/main.txt`) |
|
41
|
|
|
* - a URL (e.g. `http://www.yiiframework.com`) |
|
42
|
|
|
* - a path alias (e.g. `@yii/base`). In this case, the path alias will be converted into the |
|
43
|
|
|
* actual path first by calling [[get()]]. |
|
44
|
|
|
* |
|
45
|
|
|
* @throws \InvalidArgumentException if $path is an invalid alias. |
|
46
|
|
|
* @see get() |
|
47
|
|
|
*/ |
|
48
|
3 |
|
public function set(string $alias, ?string $path): void |
|
49
|
|
|
{ |
|
50
|
3 |
|
if (strncmp($alias, '@', 1)) { |
|
51
|
1 |
|
$alias = '@' . $alias; |
|
52
|
|
|
} |
|
53
|
3 |
|
$pos = strpos($alias, '/'); |
|
54
|
3 |
|
$root = $pos === false ? $alias : substr($alias, 0, $pos); |
|
55
|
3 |
|
if ($path !== null) { |
|
56
|
3 |
|
$path = strncmp($path, '@', 1) ? rtrim($path, '\\/') : $this->get($path); |
|
57
|
3 |
|
if (!isset($this->aliases[$root])) { |
|
58
|
3 |
|
if ($pos === false) { |
|
59
|
2 |
|
$this->aliases[$root] = $path; |
|
60
|
|
|
} else { |
|
61
|
3 |
|
$this->aliases[$root] = [$alias => $path]; |
|
62
|
|
|
} |
|
63
|
3 |
|
} elseif (\is_string($this->aliases[$root])) { |
|
64
|
2 |
|
if ($pos === false) { |
|
65
|
|
|
$this->aliases[$root] = $path; |
|
66
|
|
|
} else { |
|
67
|
2 |
|
$this->aliases[$root] = [ |
|
68
|
2 |
|
$alias => $path, |
|
69
|
2 |
|
$root => $this->aliases[$root], |
|
70
|
|
|
]; |
|
71
|
|
|
} |
|
72
|
|
|
} else { |
|
73
|
1 |
|
$this->aliases[$root][$alias] = $path; |
|
74
|
3 |
|
krsort($this->aliases[$root]); |
|
75
|
|
|
} |
|
76
|
1 |
|
} elseif (isset($this->aliases[$root])) { |
|
77
|
1 |
|
if (\is_array($this->aliases[$root])) { |
|
78
|
1 |
|
unset($this->aliases[$root][$alias]); |
|
79
|
|
|
} elseif ($pos === false) { |
|
80
|
|
|
unset($this->aliases[$root]); |
|
81
|
|
|
} |
|
82
|
|
|
} |
|
83
|
3 |
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Translates a path alias into an actual path. |
|
87
|
|
|
* |
|
88
|
|
|
* The translation is done according to the following procedure: |
|
89
|
|
|
* |
|
90
|
|
|
* 1. If the given alias does not start with '@', it is returned back without change; |
|
91
|
|
|
* 2. Otherwise, look for the longest registered alias that matches the beginning part |
|
92
|
|
|
* of the given alias. If it exists, replace the matching part of the given alias with |
|
93
|
|
|
* the corresponding registered path. |
|
94
|
|
|
* 3. Throw an exception or return false, depending on the `$throwException` parameter. |
|
95
|
|
|
* |
|
96
|
|
|
* For example, by default '@yii' is registered as the alias to the Yii framework directory, |
|
97
|
|
|
* say '/path/to/yii'. The alias '@yii/web' would then be translated into '/path/to/yii/web'. |
|
98
|
|
|
* |
|
99
|
|
|
* If you have registered two aliases '@foo' and '@foo/bar'. Then translating '@foo/bar/config' |
|
100
|
|
|
* would replace the part '@foo/bar' (instead of '@foo') with the corresponding registered path. |
|
101
|
|
|
* This is because the longest alias takes precedence. |
|
102
|
|
|
* |
|
103
|
|
|
* However, if the alias to be translated is '@foo/barbar/config', then '@foo' will be replaced |
|
104
|
|
|
* instead of '@foo/bar', because '/' serves as the boundary character. |
|
105
|
|
|
* |
|
106
|
|
|
* Note, this method does not check if the returned path exists or not. |
|
107
|
|
|
* |
|
108
|
|
|
* See the [guide article on aliases](guide:concept-aliases) for more information. |
|
109
|
|
|
* |
|
110
|
|
|
* @param string $alias the alias to be translated. |
|
111
|
|
|
* @param bool $throwException whether to throw an exception if the given alias is invalid. |
|
112
|
|
|
* If this is false and an invalid alias is given, false will be returned by this method. |
|
113
|
|
|
* @return string|bool the path corresponding to the alias, false if the root alias is not previously registered. |
|
114
|
|
|
* @throws \InvalidArgumentException if the alias is invalid while $throwException is true. |
|
115
|
|
|
* @see setAlias() |
|
116
|
|
|
*/ |
|
117
|
2 |
|
public function get($alias, $throwException = true) |
|
118
|
|
|
{ |
|
119
|
2 |
|
if (strncmp($alias, '@', 1)) { |
|
120
|
|
|
// not an alias |
|
121
|
1 |
|
return $alias; |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
2 |
|
$result = $this->findAlias($alias); |
|
125
|
|
|
|
|
126
|
2 |
|
if (\is_array($result)) { |
|
127
|
2 |
|
return $result['path']; |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
1 |
|
if ($throwException) { |
|
131
|
1 |
|
throw new \InvalidArgumentException("Invalid path alias: $alias"); |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
1 |
|
return false; |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* Returns the root alias part of a given alias. |
|
139
|
|
|
* A root alias is an alias that has been registered via [[setAlias()]] previously. |
|
140
|
|
|
* If a given alias matches multiple root aliases, the longest one will be returned. |
|
141
|
|
|
* @param string $alias the alias |
|
142
|
|
|
* @return string the root alias, or null if no root alias is found |
|
143
|
|
|
*/ |
|
144
|
1 |
|
public function getRoot($alias): ?string |
|
145
|
|
|
{ |
|
146
|
1 |
|
$result = $this->findAlias($alias); |
|
147
|
1 |
|
if (\is_array($result)) { |
|
148
|
1 |
|
$result = $result['root']; |
|
149
|
|
|
} |
|
150
|
|
|
|
|
151
|
1 |
|
return $result; |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
3 |
|
private function findAlias(string $alias): ?array |
|
155
|
|
|
{ |
|
156
|
3 |
|
$pos = strpos($alias, '/'); |
|
157
|
3 |
|
$root = $pos === false ? $alias : substr($alias, 0, $pos); |
|
158
|
|
|
|
|
159
|
3 |
|
if (isset($this->aliases[$root])) { |
|
160
|
3 |
|
if (\is_string($this->aliases[$root])) { |
|
161
|
|
|
return [ |
|
162
|
2 |
|
'root' => $root, |
|
163
|
|
|
'path' => $pos === false |
|
164
|
2 |
|
? $this->aliases[$root] |
|
165
|
2 |
|
: $this->aliases[$root] . substr($alias, $pos) |
|
166
|
|
|
]; |
|
167
|
|
|
} |
|
168
|
|
|
|
|
169
|
3 |
|
foreach ($this->aliases[$root] as $name => $path) { |
|
170
|
3 |
|
if (strpos($alias . '/', $name . '/') === 0) { |
|
171
|
|
|
return [ |
|
172
|
3 |
|
'root' => $name, |
|
173
|
3 |
|
'path' => $path . substr($alias, strlen($name)) |
|
174
|
|
|
]; |
|
175
|
|
|
} |
|
176
|
|
|
} |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
1 |
|
return null; |
|
180
|
|
|
} |
|
181
|
|
|
|
|
182
|
|
|
public function getAll(): array |
|
183
|
|
|
{ |
|
184
|
|
|
return $this->aliases; |
|
185
|
|
|
} |
|
186
|
|
|
} |
|
187
|
|
|
|
yiisoft /
aliases
