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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Reflection; |
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use Innmind\Reflection\{ |
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InjectionStrategy\InjectionStrategies, |
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Instanciator\ReflectionInstanciator, |
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Exception\InvalidArgumentException, |
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}; |
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use Innmind\Immutable\{ |
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MapInterface, |
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Map, |
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SetInterface, |
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Set, |
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}; |
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final class ReflectionClass |
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{ |
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private $class; |
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private $properties; |
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private $injectionStrategy; |
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private $instanciator; |
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public function __construct( |
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string $class, |
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MapInterface $properties = null, |
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InjectionStrategy $injectionStrategy = null, |
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Instanciator $instanciator = null |
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) { |
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$properties = $properties ?? new Map('string', 'mixed'); |
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if ( |
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(string) $properties->keyType() !== 'string' || |
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(string) $properties->valueType() !== 'mixed' |
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) { |
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throw new \TypeError('Argument 2 must be of type MapInterface<string, mixed>'); |
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} |
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$this->class = $class; |
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$this->properties = $properties; |
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$this->injectionStrategy = $injectionStrategy ?? InjectionStrategies::default(); |
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$this->instanciator = $instanciator ?? new ReflectionInstanciator; |
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} |
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public static function of( |
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string $class, |
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MapInterface $properties = null, |
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InjectionStrategy $injectionStrategy = null, |
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Instanciator $instanciator = null |
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): self { |
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return new self($class, $properties, $injectionStrategy, $instanciator); |
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} |
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/** |
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* Add a property to be injected in the new object |
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* |
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* @param mixed $value |
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*/ |
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public function withProperty(string $property, $value): self |
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{ |
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return new self( |
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$this->class, |
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$this->properties->put($property, $value), |
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$this->injectionStrategy, |
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$this->instanciator |
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); |
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} |
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/** |
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* Add a set of properties that need to be injected |
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* |
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* @param array<string, mixed> $properties |
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*/ |
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public function withProperties(array $properties): self |
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{ |
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$map = $this->properties; |
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foreach ($properties as $key => $value) { |
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$map = $map->put($key, $value); |
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} |
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return new self( |
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$this->class, |
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$map, |
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$this->injectionStrategy, |
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$this->instanciator |
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); |
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} |
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/** |
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* Return a new instance of the class |
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*/ |
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public function build(): object |
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{ |
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$object = $this->instanciator->build($this->class, $this->properties); |
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$parameters = $this->instanciator->parameters($this->class); |
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//avoid injecting the properties already used in the constructor |
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$properties = $this |
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->properties |
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->filter(function(string $property) use ($parameters) { |
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return !$parameters->contains($property); |
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}); |
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$refl = new ReflectionObject( |
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$object, |
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$properties, |
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$this->injectionStrategy |
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); |
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return $refl->build(); |
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} |
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/** |
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* Return all the properties defined on the class |
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* |
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* It will not extract properties defined in a parent class |
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* |
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* @return SetInterface<string> |
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*/ |
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public function properties(): SetInterface |
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{ |
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$refl = new \ReflectionClass($this->class); |
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$properties = Set::of('string'); |
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foreach ($refl->getProperties() as $property) { |
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$properties = $properties->add($property->getName()); |
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} |
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return $properties; |
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} |
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} |
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Innmind /
Reflection
