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<?php |
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namespace Zenstruck\Porpaginas\Specification; |
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use Zenstruck\Porpaginas\Specification\Normalizer\NormalizerAware; |
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/** |
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* @author Kevin Bond <[email protected]> |
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*/ |
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final class SpecificationNormalizer implements Normalizer |
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{ |
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private iterable $normalizers; |
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private array $normalizerCache = []; |
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/** |
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* @param Normalizer[] $normalizers |
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*/ |
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public function __construct(iterable $normalizers) |
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{ |
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$this->normalizers = $normalizers; |
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} |
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public function normalize($specification, $context) |
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{ |
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if (!$normalizer = $this->getNormalizer($specification, $context)) { |
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throw new \RuntimeException(\sprintf('Specification "%s" with context "%s" does not have a supported visitor registered.', get_debug_type($specification), get_debug_type($context))); |
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} |
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return $normalizer->normalize($specification, $context); |
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} |
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public function supports($specification, $context): bool |
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{ |
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return null !== $this->getNormalizer($specification, $context); |
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} |
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public function isCacheable(): bool |
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{ |
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return true; |
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} |
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private function getNormalizer($specification, $context): ?Normalizer |
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{ |
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$specificationCacheKey = \is_object($specification) ? \get_class($specification) : 'native-'.\gettype($specification); |
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$contextCacheKey = \is_object($context) ? \get_class($context) : 'native-'.\gettype($context); |
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if (isset($this->normalizerCache[$specificationCacheKey][$contextCacheKey])) { |
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return $this->normalizerCache[$specificationCacheKey][$contextCacheKey]; |
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} |
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foreach ($this->normalizers as $normalizer) { |
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if (!$normalizer->supports($specification, $context)) { |
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continue; |
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} |
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if ($normalizer instanceof NormalizerAware) { |
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$normalizer->setNormalizer($this); |
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} |
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if ($normalizer->isCacheable()) { |
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return $this->normalizerCache[$specificationCacheKey][$contextCacheKey] = $normalizer; |
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} |
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return $normalizer; |
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} |
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return null; |
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} |
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} |
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kbond /
porpaginas
