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<?php declare(strict_types=1); |
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// phpcs:ignoreFile -- Bundled third-party (Mozart) dependency; exempt from plugin coding standards. |
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|
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namespace WPDeveloper\BetterDocs\Dependencies\PhpDocReader\PhpParser; |
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|
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use SplFileObject; |
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|
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/** |
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* Parses a file for "use" declarations. |
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* |
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* Class taken and adapted from doctrine/annotations to avoid pulling the whole package. |
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* |
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* Authors: Fabien Potencier <fabien@symfony.com> and Christian Kaps <christian.kaps@mohiva.com> |
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*/ |
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class UseStatementParser |
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{ |
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/** |
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* @return array A list with use statements in the form (Alias => FQN). |
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*/ |
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public function parseUseStatements(\ReflectionClass $class): array |
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{ |
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$filename = $class->getFilename(); |
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if ($filename === false) { |
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return []; |
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} |
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|
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$content = $this->getFileContent($filename, $class->getStartLine()); |
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|
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if ($content === null) { |
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return []; |
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} |
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|
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$namespace = preg_quote($class->getNamespaceName(), '/'); |
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$content = preg_replace('/^.*?(\bnamespace\s+' . $namespace . '\s*[;{].*)$/s', '\\1', $content); |
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$tokenizer = new TokenParser('<?php ' . $content); |
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|
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return $tokenizer->parseUseStatements($class->getNamespaceName()); |
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} |
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|
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/** |
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* Gets the content of the file right up to the given line number. |
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* |
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* @param string $filename The name of the file to load. |
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* @param int $lineNumber The number of lines to read from file. |
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*/ |
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private function getFileContent(string $filename, int $lineNumber): string |
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{ |
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if (! is_file($filename)) { |
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throw new \RuntimeException("Unable to read file $filename"); |
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} |
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|
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$content = ''; |
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$lineCnt = 0; |
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$file = new SplFileObject($filename); |
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while (! $file->eof()) { |
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if ($lineCnt++ === $lineNumber) { |
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break; |
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} |
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|
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$content .= $file->fgets(); |
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} |
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|
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return $content; |
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} |
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} |
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|
