forked from doctrine/annotations
-
Notifications
You must be signed in to change notification settings - Fork 0
/
PhpParser.php
74 lines (61 loc) · 1.93 KB
/
PhpParser.php
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
<?php
namespace Doctrine\Annotations;
use SplFileObject;
/**
* Parses a file for namespaces/use/class declarations.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Christian Kaps <christian.kaps@mohiva.com>
*/
final class PhpParser
{
/**
* Parses a class.
*
* @param \ReflectionClass $class A <code>ReflectionClass</code> object.
*
* @return array A list with use statements in the form (Alias => FQN).
*/
public function parseClass(\ReflectionClass $class)
{
if (method_exists($class, 'getUseStatements')) {
return $class->getUseStatements();
}
if (false === $filename = $class->getFileName()) {
return [];
}
$content = $this->getFileContent($filename, $class->getStartLine());
if (null === $content) {
return [];
}
$namespace = preg_quote($class->getNamespaceName());
$content = preg_replace('/^.*?(\bnamespace\s+' . $namespace . '\s*[;{].*)$/s', '\\1', $content);
$tokenizer = new TokenParser('<?php ' . $content);
$statements = $tokenizer->parseUseStatements($class->getNamespaceName());
return $statements;
}
/**
* Gets the content of the file right up to the given line number.
*
* @param string $filename The name of the file to load.
* @param integer $lineNumber The number of lines to read from file.
*
* @return string|null The content of the file or null if the file does not exist.
*/
private function getFileContent($filename, $lineNumber)
{
if ( ! is_file($filename)) {
return null;
}
$content = '';
$lineCnt = 0;
$file = new SplFileObject($filename);
while (!$file->eof()) {
if ($lineCnt++ == $lineNumber) {
break;
}
$content .= $file->fgets();
}
return $content;
}
}