|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Yiisoft\VarDumper; |
|
6
|
|
|
|
|
7
|
|
|
use function defined; |
|
8
|
|
|
|
|
9
|
|
|
/** |
|
10
|
|
|
* UseStatementParser given a PHP file, returns a set of `use` statements from the code. |
|
11
|
|
|
*/ |
|
12
|
|
|
final class UseStatementParser |
|
13
|
|
|
{ |
|
14
|
|
|
/** |
|
15
|
|
|
* @param string $file File to read. |
|
16
|
|
|
* |
|
17
|
|
|
* @return array Use statements data. |
|
18
|
|
|
*/ |
|
19
|
34 |
|
public function fromFile(string $file): array |
|
20
|
|
|
{ |
|
21
|
34 |
|
$tokens = token_get_all(file_get_contents($file)); |
|
22
|
34 |
|
array_shift($tokens); |
|
23
|
|
|
|
|
24
|
34 |
|
$uses = []; |
|
25
|
34 |
|
foreach ($tokens as $i => $token) { |
|
26
|
34 |
|
if (!isset($token[0])) { |
|
27
|
|
|
continue; |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
34 |
|
if ($token[0] === T_USE) { |
|
31
|
34 |
|
$uses = array_merge($uses, $this->normalizeUse(array_slice($tokens, $i + 1))); |
|
32
|
34 |
|
continue; |
|
33
|
|
|
} |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
34 |
|
return $uses; |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* Normalizes raw tokens into uniform use statement data. |
|
41
|
|
|
* |
|
42
|
|
|
* @param array $tokens Raw tokens. |
|
43
|
|
|
* |
|
44
|
|
|
* @return array Normalized use statement data. |
|
45
|
|
|
*/ |
|
46
|
34 |
|
private function normalizeUse(array $tokens): array |
|
47
|
|
|
{ |
|
48
|
34 |
|
$commonNamespace = '\\'; |
|
49
|
34 |
|
$current = ''; |
|
50
|
34 |
|
$uses = []; |
|
51
|
|
|
|
|
52
|
34 |
|
foreach ($tokens as $token) { |
|
53
|
34 |
|
if (!isset($token[0])) { |
|
54
|
|
|
continue; |
|
55
|
|
|
} |
|
56
|
|
|
if ( |
|
57
|
34 |
|
$token[0] === T_STRING |
|
58
|
34 |
|
|| $token[0] === T_NS_SEPARATOR |
|
59
|
34 |
|
|| (defined('T_NAME_QUALIFIED') && $token[0] === T_NAME_QUALIFIED) |
|
60
|
34 |
|
|| (defined('T_NAME_FULLY_QUALIFIED') && $token[0] === T_NAME_FULLY_QUALIFIED) |
|
61
|
34 |
|
|| (defined('T_NAME_RELATIVE') && $token[0] === T_NAME_RELATIVE) |
|
62
|
|
|
) { |
|
63
|
34 |
|
$current .= $token[1]; |
|
64
|
34 |
|
continue; |
|
65
|
|
|
} |
|
66
|
34 |
|
if ($token === ',' || $token === ';') { |
|
67
|
34 |
|
if ($current !== '') { |
|
68
|
34 |
|
$uses[] = $commonNamespace . $current; |
|
69
|
34 |
|
$current = ''; |
|
70
|
|
|
} |
|
71
|
|
|
} |
|
72
|
34 |
|
if ($token === ';') { |
|
73
|
34 |
|
break; |
|
74
|
|
|
} |
|
75
|
34 |
|
if ($token === '{') { |
|
76
|
1 |
|
$commonNamespace .= $current; |
|
77
|
1 |
|
$current = ''; |
|
78
|
1 |
|
continue; |
|
79
|
|
|
} |
|
80
|
34 |
|
if ($token[0] === T_AS) { |
|
81
|
31 |
|
$current .= '@'; |
|
82
|
|
|
} |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
34 |
|
return $this->replaceAliases($uses); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
34 |
|
private function replaceAliases(array $uses): array |
|
89
|
|
|
{ |
|
90
|
34 |
|
$result = []; |
|
91
|
34 |
|
foreach ($uses as $use) { |
|
92
|
34 |
|
$delimiterPosition = strpos($use, '@'); |
|
93
|
34 |
|
if ($delimiterPosition !== false) { |
|
94
|
31 |
|
$alias = mb_substr($use, $delimiterPosition + 1); |
|
95
|
31 |
|
$result[$alias] = mb_substr($use, 0, $delimiterPosition); |
|
96
|
|
|
} else { |
|
97
|
32 |
|
$part = strrchr($use, '\\'); |
|
98
|
32 |
|
$result[$part === false ? $use : substr($part, 1)] = $use; |
|
99
|
|
|
} |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
34 |
|
return $result; |
|
103
|
|
|
} |
|
104
|
|
|
} |
|
105
|
|
|
|
yiisoft /
var-dumper
