elementor / vendor_prefixed / php-di / phpdoc-reader / src / PhpDocReader / PhpParser / UseStatementParser.php

UseStatementParser.php in Elementor Website Builder – more than just a page builder 3.26.4, at vendor_prefixed/php-di/phpdoc-reader/src/PhpDocReader/PhpParser/UseStatementParser.php

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1	<?php
2
3	declare (strict_types=1);
4	namespace ElementorDeps\PhpDocReader\PhpParser;
5
6	use SplFileObject;
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	* Authors: Fabien Potencier <fabien@symfony.com> and Christian Kaps <christian.kaps@mohiva.com>
13	*/
14	class UseStatementParser
15	{
16	/**
17	* @return array A list with use statements in the form (Alias => FQN).
18	*/
19	public function parseUseStatements(\ReflectionClass $class) : array
20	{
21	$filename = $class->getFilename();
22	if ($filename === \false) {
23	return [];
24	}
25	$content = $this->getFileContent($filename, $class->getStartLine());
26	if ($content === null) {
27	return [];
28	}
29	$namespace = \preg_quote($class->getNamespaceName(), '/');
30	$content = \preg_replace('/^.?(\\bnamespace\\s+' . $namespace . '\\s[;{].*)$/s', '\\1', $content);
31	$tokenizer = new TokenParser('<?php ' . $content);
32	return $tokenizer->parseUseStatements($class->getNamespaceName());
33	}
34	/**
35	* Gets the content of the file right up to the given line number.
36	*
37	* @param string $filename The name of the file to load.
38	* @param int $lineNumber The number of lines to read from file.
39	*/
40	private function getFileContent(string $filename, int $lineNumber) : string
41	{
42	if (!\is_file($filename)) {
43	throw new \RuntimeException("Unable to read file {$filename}");
44	}
45	$content = '';
46	$lineCnt = 0;
47	$file = new SplFileObject($filename);
48	while (!$file->eof()) {
49	if ($lineCnt++ === $lineNumber) {
50	break;
51	}
52	$content .= $file->fgets();
53	}
54	return $content;
55	}
56	}
57