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<?php |
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declare(strict_types=1); |
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namespace Stratadox\Hydrator; |
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use Closure; |
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use ReflectionObject; |
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use Throwable; |
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/** |
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* Hydrates an object from array input. |
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* |
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* @package Stratadox\Hydrate |
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* @author Stratadox |
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*/ |
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final class ObjectHydrator implements Hydrates |
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{ |
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private $setter; |
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private function __construct( |
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?Closure $setter |
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) { |
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$this->setter = $setter ?: function (string $attribute, $value): void { |
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$this->$attribute = $value; |
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}; |
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} |
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/** |
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* Produces an object hydrator with a default setter. |
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* |
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* Faster than a reflective object hydrator, but limited to properties that |
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* can be accessed by the instance itself. That means this method cannot be |
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* used in the context of inheritance when the parent class has private |
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* properties. |
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* |
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* @return Hydrates A hydrator that uses closure binding to write properties. |
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*/ |
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public static function default(): Hydrates |
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{ |
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return new self(null); |
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} |
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/** |
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* Produces an object hydrator with a reflection setter. |
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* |
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* Slower than the default setter, but useful in the context of inheritance, |
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* when some of the properties are private to the parent class and therefore |
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* inaccessible through simple closure binding. |
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* |
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* @return Hydrates A hydrator that uses reflection to write properties. |
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*/ |
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public static function reflective(): Hydrates |
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{ |
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return new self((new class { |
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public function setter(): Closure |
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{ |
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return function (string $name, $value): void { |
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$object = new ReflectionObject($this); |
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while ($object && !$object->hasProperty($name)) { |
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$object = $object->getParentClass(); |
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} |
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// @todo if !object, write as public? |
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$property = $object->getProperty($name); |
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$property->setAccessible(true); |
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$property->setValue($this, $value); |
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}; |
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} |
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})->setter()); |
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} |
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/** |
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* Produces an object hydrator with a custom setter. |
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* |
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* @param Closure $setter The closure that writes the values. |
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* @return Hydrates A hydrator that uses a custom closure to write |
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* properties. |
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*/ |
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public static function using( |
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Closure $setter |
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): Hydrates { |
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return new self($setter); |
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} |
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/** @inheritdoc */ |
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public function writeTo(object $target, array $data): object |
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{ |
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foreach ($data as $attribute => $value) { |
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try { |
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$this->setter->call($target, $attribute, $value); |
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} catch (Throwable $exception) { |
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throw HydrationFailed::encountered($exception, $target); |
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} |
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} |
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return $target; |
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} |
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} |
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Stratadox /
Hydrator
