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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Classifier; |
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use PhpParser\NodeTraverser; |
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use PhpParser\NodeVisitor\NameResolver; |
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use PhpParser\Parser; |
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use PhpParser\ParserFactory; |
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/** |
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* `ParserClassifier` finds classes using [`nikic/PHP-Parser`](https://github.com/nikic/PHP-Parser). |
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* This may require performance tuning, so you may need |
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* follow {@see https://github.com/nikic/PHP-Parser/blob/master/doc/component/Performance.markdown} instructions. |
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*/ |
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final class ParserClassifier extends AbstractClassifier |
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{ |
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private Parser $parser; |
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private NodeTraverser $nodeTraverser; |
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public function __construct(string $directory, string ...$directories) |
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{ |
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parent::__construct($directory, ...$directories); |
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$this->parser = (new ParserFactory())->create(ParserFactory::ONLY_PHP7); |
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$traverser = new NodeTraverser(); |
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$traverser->addVisitor(new NameResolver()); |
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$this->nodeTraverser = $traverser; |
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} |
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/** |
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* @return iterable<class-string> |
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*/ |
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protected function getAvailableClasses(): iterable |
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{ |
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$files = $this->getFiles(); |
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$visitor = new ParserVisitor($this->interfaces, $this->attributes, $this->parentClass); |
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$this->nodeTraverser->addVisitor($visitor); |
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foreach ($files as $file) { |
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try { |
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$nodes = $this->parser->parse($file->getContents()); |
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if ($nodes !== null) { |
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$this->nodeTraverser->traverse($nodes); |
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} |
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} catch (\Throwable) { |
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// Ignore broken files or parsing errors |
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} |
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} |
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return $visitor->getClassNames(); |
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} |
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} |
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yiisoft /
classifier
