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<?php |
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declare(strict_types=1); |
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namespace Stratadox\Deserializer; |
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use Stratadox\Hydrator\ImmutableCollectionHydrator; |
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use Stratadox\Hydrator\MutableCollectionHydrator; |
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use function is_iterable; |
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use function is_string; |
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use Stratadox\Hydrator\HydrationFailure; |
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use Stratadox\Hydrator\Hydrator; |
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use Stratadox\Instantiator\InstantiationFailure; |
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use Stratadox\Instantiator\Instantiator; |
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use Stratadox\Instantiator\ObjectInstantiator; |
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/** |
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* Deserializes the input array into collection objects. |
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* |
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* @author Stratadox |
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*/ |
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final class CollectionDeserializer implements Deserializer |
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{ |
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/** @var Instantiator */ |
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private $make; |
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/** @var Hydrator */ |
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private $hydrator; |
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private function __construct(Instantiator $instance, Hydrator $hydrate) |
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{ |
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$this->make = $instance; |
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$this->hydrator = $hydrate; |
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} |
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/** |
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* Makes a new deserializer for an immutable collection class. |
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* |
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* @param string $class The fully qualified collection class name. |
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* @return Deserializer The collection deserializer. |
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* @throws InstantiationFailure |
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*/ |
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public static function forImmutable(string $class): Deserializer |
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{ |
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return new CollectionDeserializer( |
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ObjectInstantiator::forThe($class), |
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ImmutableCollectionHydrator::default() |
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); |
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} |
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/** |
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* Makes a new deserializer for a mutable collection class. |
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* |
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* @param string $class The fully qualified collection class name. |
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* @return Deserializer The collection deserializer. |
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* @throws InstantiationFailure |
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*/ |
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public static function forMutable(string $class): Deserializer |
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{ |
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return new CollectionDeserializer( |
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ObjectInstantiator::forThe($class), |
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MutableCollectionHydrator::default() |
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); |
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} |
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/** |
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* Makes a new deserializer for the collection class, using custom |
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* instantiator and hydrator. |
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* |
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* @param Instantiator $instantiator The object that produces instances. |
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* @param Hydrator $hydrator The object that writes properties. |
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* @return Deserializer The collection deserializer. |
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*/ |
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public static function using( |
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Instantiator $instantiator, |
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Hydrator $hydrator |
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): Deserializer { |
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return new CollectionDeserializer($instantiator, $hydrator); |
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} |
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/** @inheritdoc */ |
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public function from(array $input): iterable |
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{ |
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$collection = $this->make->instance(); |
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$this->mustBeValid($collection, $input); |
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try { |
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$this->hydrator->writeTo($collection, $input); |
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} catch (HydrationFailure $exception) { |
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throw FailedToDeserializeTheCollection::encountered($exception); |
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} |
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if (is_iterable($collection)) { |
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/** @var iterable $collection */ |
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return $collection; |
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} |
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throw NonIterableCollection::invalid($collection); |
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} |
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/** @inheritdoc */ |
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public function typeFor(array $input): string |
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{ |
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return $this->make->class(); |
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} |
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/** @throws DeserializationFailure */ |
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private function mustBeValid(object $collection, array $input): void |
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{ |
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foreach ($input as $key => $value) { |
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if (is_string($key)) { |
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throw IllegalInputKey::illegal($collection, $key, $input); |
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} |
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} |
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} |
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} |
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Stratadox /
Deserializer
