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<?php declare(strict_types = 1); |
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namespace Venta\Container; |
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use Closure; |
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use ReflectionFunctionAbstract; |
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use ReflectionParameter; |
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use Venta\Container\Exception\ArgumentResolverException; |
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use Venta\Contracts\Container\ArgumentResolver as ArgumentResolverContract; |
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use Venta\Contracts\Container\Container as ContainerContract; |
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/** |
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* Class ArgumentResolver. |
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* |
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* @package Venta\Container |
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*/ |
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final class ArgumentResolver implements ArgumentResolverContract |
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{ |
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/** |
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* @var ContainerContract |
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*/ |
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private $container; |
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/** |
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* ArgumentResolver constructor. |
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* |
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* @param ContainerContract $container |
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*/ |
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public function __construct(ContainerContract $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function createCallback(ReflectionFunctionAbstract $function): Closure |
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{ |
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return function (array $arguments = []) use ($function) { |
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return $this->resolve($function, $arguments); |
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}; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function resolve(ReflectionFunctionAbstract $function, array $arguments = []): array |
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{ |
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$parameters = $function->getParameters(); |
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// Use passed arguments in place of reflected parameters. |
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$provided = array_intersect_key($arguments, $parameters); |
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// Remaining parameters will be resolved by container. |
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$remaining = array_diff_key($parameters, $arguments); |
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$resolved = array_map( |
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function (ReflectionParameter $parameter) use ($function) { |
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// Recursively resolve function arguments. |
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$class = $parameter->getClass(); |
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if ($class !== null && $this->container->has($class->getName())) { |
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return $this->container->get($class->getName()); |
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} |
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// Use argument default value if possible. |
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if ($parameter->isDefaultValueAvailable()) { |
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return $parameter->getDefaultValue(); |
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} |
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// The argument can't be resolved by this resolver. |
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throw new ArgumentResolverException($parameter, $function); |
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}, |
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$remaining |
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); |
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$arguments = $provided + $resolved; |
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// Sort combined result array by parameter indexes. |
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ksort($arguments); |
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return $arguments; |
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} |
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} |
venta /
framework
