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<?php declare(strict_types=1); |
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namespace NamespaceProtector\Parser; |
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use PhpParser\NodeTraverser; |
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use PhpParser\ParserFactory; |
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use NamespaceProtector\Result\Result; |
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use NamespaceProtector\Parser\Node\PhpNode; |
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use NamespaceProtector\Common\PathInterface; |
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use NamespaceProtector\Result\ResultCollector; |
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use Psr\EventDispatcher\EventDispatcherInterface; |
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use NamespaceProtector\Result\ResultCollectorReadable; |
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use NamespaceProtector\Exception\NamespaceProtectorExceptionInterface; |
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final class PhpFileParser implements ParserInterface |
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{ |
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private const ONLY_ONE_ENTRY = 1; |
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/** @var \PhpParser\Parser */ |
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private $parser; |
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/** @var NodeTraverser */ |
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private $traverser; |
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/** @var ResultCollector */ |
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private $resultCollector; |
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/** @var \Psr\SimpleCache\CacheInterface */ |
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private $cache; |
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public function __construct( |
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\Psr\SimpleCache\CacheInterface $cache, |
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EventDispatcherInterface $eventDispatcher |
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) { |
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$this->cache = $cache; |
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$this->parser = (new ParserFactory())->create(ParserFactory::PREFER_PHP7); |
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$this->traverser = new NodeTraverser(); |
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$this->resultCollector = new ResultCollector(); |
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$phpNode = new PhpNode( |
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['preserveOriginalNames' => true, 'replaceNodes' => false], |
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$this->resultCollector, |
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$eventDispatcher |
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); |
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$this->traverser->addVisitor($phpNode); |
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} |
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public function parseFile(PathInterface $pathFile): void |
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{ |
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$this->resultCollector->emptyResult(); |
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$this->resultCollector->addResult(new Result('Process file: ' . $pathFile() . PHP_EOL)); |
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$ast = $this->fetchAstAfterParse($pathFile); |
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$this->traverser->traverse($ast); |
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$this->emptyLogIfNoErrorEntry(); |
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} |
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public function getListResult(): ResultCollectorReadable |
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{ |
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return new ResultCollectorReadable($this->resultCollector); |
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} |
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private function emptyLogIfNoErrorEntry(): void |
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{ |
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if (\count($this->resultCollector->get()) === self::ONLY_ONE_ENTRY) { |
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$this->resultCollector->emptyResult(); |
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} |
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} |
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/** |
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* @return array<mixed> |
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*/ |
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private function fetchAstAfterParse(PathInterface $pathFile): array |
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{ |
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$code = $pathFile(); |
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$keyEntryForCache = sha1($code) . '.' . base64_encode($pathFile()); |
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if (!$this->cache->has($keyEntryForCache)) { |
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$code = \file_get_contents($pathFile()); |
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if ($code === false) { |
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throw new \RuntimeException(NamespaceProtectorExceptionInterface::MSG_PLAIN_ERROR_FILE_GET_CONTENT); |
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} |
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$ast = $this->parser->parse($code); |
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$this->cache->set($keyEntryForCache, $ast); |
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return $ast ?? []; |
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} |
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return $this->cache->get($keyEntryForCache, []); |
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} |
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} |
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BruceGitHub /
namespace-protector
