cookiebot / addons / lib / ioc / php-di / phpdoc-reader / src / PhpDocReader / PhpParser / UseStatementParser.php

UseStatementParser.php in Cookiebot by Usercentrics – Automatic Cookie Banner for GDPR/CCPA & Google Consent Mode 2.4.1, at addons/lib/ioc/php-di/phpdoc-reader/src/PhpDocReader/PhpParser/UseStatementParser.php

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1	<?php
2
3	namespace PhpDocReader\PhpParser;
4
5	use SplFileObject;
6
7	/**
8	* Parses a file for "use" declarations.
9	*
10	* Class taken and adapted from doctrine/annotations to avoid pulling the whole package.
11	*
12	* @author Fabien Potencier <[email protected]>
13	* @author Christian Kaps <[email protected]>
14	*/
15	class UseStatementParser
16	{
17	/**
18	* @return array A list with use statements in the form (Alias => FQN).
19	*/
20	public function parseUseStatements(\ReflectionClass $class)
21	{
22	if (false === $filename = $class->getFilename()) {
23	return array();
24	}
25
26	$content = $this->getFileContent($filename, $class->getStartLine());
27
28	if (null === $content) {
29	return array();
30	}
31
32	$namespace = preg_quote($class->getNamespaceName());
33	$content = preg_replace('/^.?(\bnamespace\s+' . $namespace . '\s[;{].*)$/s', '\\1', $content);
34	$tokenizer = new TokenParser('<?php ' . $content);
35
36	$statements = $tokenizer->parseUseStatements($class->getNamespaceName());
37
38	return $statements;
39	}
40
41	/**
42	* Gets the content of the file right up to the given line number.
43	*
44	* @param string $filename The name of the file to load.
45	* @param integer $lineNumber The number of lines to read from file.
46	*
47	* @return string The content of the file.
48	*/
49	private function getFileContent($filename, $lineNumber)
50	{
51	if ( ! is_file($filename)) {
52	return null;
53	}
54
55	$content = '';
56	$lineCnt = 0;
57	$file = new SplFileObject($filename);
58	while (!$file->eof()) {
59	if ($lineCnt++ == $lineNumber) {
60	break;
61	}
62
63	$content .= $file->fgets();
64	}
65
66	return $content;
67	}
68	}
69