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<?php |
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|
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declare (strict_types=1); |
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namespace ElementorDeps\Invoker\ParameterResolver; |
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|
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use ReflectionFunctionAbstract; |
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/** |
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* Dispatches the call to other resolvers until all parameters are resolved. |
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* |
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* Chain of responsibility pattern. |
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*/ |
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class ResolverChain implements ParameterResolver |
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{ |
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/** @var ParameterResolver[] */ |
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private $resolvers; |
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public function __construct(array $resolvers = []) |
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{ |
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$this->resolvers = $resolvers; |
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} |
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public function getParameters(ReflectionFunctionAbstract $reflection, array $providedParameters, array $resolvedParameters) : array |
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{ |
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$reflectionParameters = $reflection->getParameters(); |
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foreach ($this->resolvers as $resolver) { |
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$resolvedParameters = $resolver->getParameters($reflection, $providedParameters, $resolvedParameters); |
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$diff = \array_diff_key($reflectionParameters, $resolvedParameters); |
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if (empty($diff)) { |
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// Stop traversing: all parameters are resolved |
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return $resolvedParameters; |
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} |
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} |
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return $resolvedParameters; |
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} |
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/** |
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* Push a parameter resolver after the ones already registered. |
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*/ |
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public function appendResolver(ParameterResolver $resolver) : void |
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{ |
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$this->resolvers[] = $resolver; |
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} |
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/** |
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* Insert a parameter resolver before the ones already registered. |
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*/ |
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public function prependResolver(ParameterResolver $resolver) : void |
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{ |
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\array_unshift($this->resolvers, $resolver); |
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} |
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} |
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