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<?php |
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declare(strict_types=1); |
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namespace FlexFqcnFinder\Finder; |
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use FlexFqcnFinder\FqcnFinderInterface; |
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use FlexFqcnFinder\Repository\FileRepositoryInterface; |
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class FqcnFinder implements FqcnFinderInterface |
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{ |
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/** |
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* @var FileRepositoryInterface |
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*/ |
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protected $phpFileRepository; |
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public function __construct(FileRepositoryInterface $phpFileRepository) |
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{ |
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$this->phpFileRepository = $phpFileRepository; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function find(): array |
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{ |
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$fqcn = []; |
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foreach ($this->phpFileRepository->getFiles() as $file) { |
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$className = $this->getFqcnFromFile($file); |
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if (!empty($className)) { |
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$fqcn[] = $className; |
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} |
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} |
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return $fqcn; |
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} |
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/** |
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* @param string $phpFile |
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* @return string|null |
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*/ |
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protected function getFqcnFromFile(string $phpFile) |
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{ |
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$tokens = token_get_all((string) file_get_contents($phpFile)); |
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$count = count($tokens); |
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$className = []; |
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for ($i = 0; $i < $count; $i++) { |
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if ($this->hasNamespace($tokens, $i) && empty($className)) { |
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$className[] = $this->getNamespace($tokens, $i); |
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} |
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if ($this->hasClassName($tokens, $i)) { |
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$className[] = $this->getClassName($tokens, $i); |
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return implode('\\', $className); // one class per file (psr-4 compliant) |
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} |
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} |
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return null; |
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} |
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protected function hasNamespace(array $tokens, int $index): bool |
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{ |
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return isset($tokens[$index][0]) && T_NAMESPACE === $tokens[$index][0]; |
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} |
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protected function hasClassName(array $tokens, int $index): bool |
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{ |
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return |
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isset($tokens[$index][0]) && |
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(T_CLASS === $tokens[$index][0] || T_TRAIT === $tokens[$index][0] || T_INTERFACE === $tokens[$index][0]) && |
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T_WHITESPACE === $tokens[$index + 1][0] && |
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T_STRING === $tokens[$index + 2][0]; |
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} |
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protected function getNamespace(array $tokens, $index): string |
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{ |
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$namespace = ''; |
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$index += 2; |
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while (isset($tokens[$index]) && is_array($tokens[$index])) { |
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$namespace .= $tokens[$index++][1]; |
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} |
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return $namespace; |
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} |
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protected function getClassName(array $tokens, $index): string |
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{ |
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return $tokens[$index + 2][1]; |
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} |
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} |
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brenoroosevelt /
flex-fqcn-finder
