* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\PropertyInfo; /** * Default {@see PropertyInfoExtractorInterface} implementation. * * @author Kévin Dunglas * * @final */ class PropertyInfoExtractor implements PropertyInfoExtractorInterface, PropertyInitializableExtractorInterface { private $listExtractors; private $typeExtractors; private $descriptionExtractors; private $accessExtractors; private $initializableExtractors; /** * @param iterable $listExtractors * @param iterable $typeExtractors * @param iterable $descriptionExtractors * @param iterable $accessExtractors * @param iterable $initializableExtractors */ public function __construct(iterable $listExtractors = [], iterable $typeExtractors = [], iterable $descriptionExtractors = [], iterable $accessExtractors = [], iterable $initializableExtractors = []) { $this->listExtractors = $listExtractors; $this->typeExtractors = $typeExtractors; $this->descriptionExtractors = $descriptionExtractors; $this->accessExtractors = $accessExtractors; $this->initializableExtractors = $initializableExtractors; } /** * {@inheritdoc} */ public function getProperties(string $class, array $context = []): ?array { return $this->extract($this->listExtractors, 'getProperties', [$class, $context]); } /** * {@inheritdoc} */ public function getShortDescription(string $class, string $property, array $context = []): ?string { return $this->extract($this->descriptionExtractors, 'getShortDescription', [$class, $property, $context]); } /** * {@inheritdoc} */ public function getLongDescription(string $class, string $property, array $context = []): ?string { return $this->extract($this->descriptionExtractors, 'getLongDescription', [$class, $property, $context]); } /** * {@inheritdoc} */ public function getTypes(string $class, string $property, array $context = []): ?array { return $this->extract($this->typeExtractors, 'getTypes', [$class, $property, $context]); } /** * {@inheritdoc} */ public function isReadable(string $class, string $property, array $context = []): ?bool { return $this->extract($this->accessExtractors, 'isReadable', [$class, $property, $context]); } /** * {@inheritdoc} */ public function isWritable(string $class, string $property, array $context = []): ?bool { return $this->extract($this->accessExtractors, 'isWritable', [$class, $property, $context]); } /** * {@inheritdoc} */ public function isInitializable(string $class, string $property, array $context = []): ?bool { return $this->extract($this->initializableExtractors, 'isInitializable', [$class, $property, $context]); } /** * Iterates over registered extractors and return the first value found. * * @param iterable $extractors * @param list $arguments * * @return mixed */ private function extract(iterable $extractors, string $method, array $arguments) { foreach ($extractors as $extractor) { if (null !== $value = $extractor->{$method}(...$arguments)) { return $value; } } return null; } }