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<?php |
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/** |
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* Platine Container |
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* |
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* Platine Container is the implementation of PSR 11 |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine Container |
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* Copyright (c) 2019 Dion Chaika |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/** |
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* @file ConstructorResolver.php |
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* |
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* This class use constructor to resolve the instance |
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* |
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* @package Platine\Container |
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* @author Platine Developers Team |
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* @copyright Copyright (c) 2020 |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://www.platine-php.com |
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* @version 1.0.0 |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Container\Resolver; |
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use Platine\Container\ContainerInterface; |
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use Platine\Container\Exception\ContainerException; |
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use Platine\Container\Exception\NotFoundException; |
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use Platine\Container\ParameterCollection; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionNamedType; |
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use ReflectionParameter; |
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use ReflectionUnionType; |
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/** |
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* @class ConstructorResolver |
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* @package Platine\Container\Resolver |
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*/ |
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class ConstructorResolver implements ResolverInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function resolve( |
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ContainerInterface $container, |
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string $type, |
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?ParameterCollection $parameters = null |
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): mixed { |
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try { |
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$class = new ReflectionClass($type); |
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} catch (ReflectionException $e) { |
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throw new ContainerException($e->getMessage()); |
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} |
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if ($class->isInstantiable() === false) { |
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throw new ContainerException(sprintf('Type/class [%s] is not instantiable!', $type)); |
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} |
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$constructor = $class->getConstructor(); |
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if ($constructor === null) { |
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try { |
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return $class->newInstanceWithoutConstructor(); |
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} catch (ReflectionException $e) { |
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throw new ContainerException($e->getMessage()); |
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} |
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} |
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$callback = function (ReflectionParameter $parameter) use ($container, $parameters) { |
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return $this->resolveParameter( |
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$container, |
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$parameter, |
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$parameters |
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); |
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}; |
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$arguments = array_map($callback, $constructor->getParameters()); |
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try { |
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return $class->newInstanceArgs($arguments); |
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} catch (ReflectionException $e) { |
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throw new ContainerException($e->getMessage()); |
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} |
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} |
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/** |
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* Resolve the parameter |
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* @param ContainerInterface $container |
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* @param ReflectionParameter $parameter the reflection parameter |
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* @param ParameterCollection|null $parameters |
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* @return mixed |
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*/ |
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protected function resolveParameter( |
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ContainerInterface $container, |
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ReflectionParameter $parameter, |
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?ParameterCollection $parameters = null |
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): mixed { |
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$class = null; |
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$className = null; |
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$types = $this->getTypes($parameter); |
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// TODO: handle for union types |
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if (count($types) > 0) { |
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foreach ($types as /** @var ReflectionNamedType $type */ $type) { |
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$name = $type->getName(); |
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if ($type->isBuiltin() === false && $container->has($name)) { |
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$className = $name; |
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break; |
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} |
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} |
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} |
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if ($className !== null) { |
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$class = new ReflectionClass($className); |
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} |
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//If the parameter is not a class |
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if ($class === null) { |
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if ($parameters !== null) { |
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if ( |
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$parameters->has($parameter->name) && |
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$parameters->get($parameter->name) !== null |
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) { |
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return $parameters->get($parameter->name) |
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->getValue($container); |
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} |
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} |
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if ($parameter->isDefaultValueAvailable()) { |
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try { |
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return $parameter->getDefaultValue(); |
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} catch (ReflectionException $e) { |
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throw new ContainerException($e->getMessage()); |
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} |
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} |
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if ($parameter->isOptional()) { |
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// This branch is required to work around PHP bugs where a parameter is optional |
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// but has no default value available through reflection. Specifically, PDO exhibits |
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// this behavior. |
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return null; |
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} |
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if (count($types) === 1 && $types[0]->isBuiltin() === false) { |
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throw new NotFoundException(sprintf( |
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'The type/class [%s] does not exist in the container!', |
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$types[0]->getName() |
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)); |
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} |
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throw new ContainerException(sprintf('Parameter [%s] is not bound!', $parameter->name)); |
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} |
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return $container->get($class->name); |
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} |
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/** |
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* Return the types of the given parameter |
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* @param ReflectionParameter $parameter |
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* @return ReflectionNamedType[] |
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*/ |
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protected function getTypes(ReflectionParameter $parameter): array |
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{ |
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if ($parameter->getType() === null) { |
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return []; |
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} |
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$type = $parameter->getType(); |
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$types = []; |
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if ($type instanceof ReflectionNamedType) { |
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$types = [$type]; |
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} |
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if ($type instanceof ReflectionUnionType) { |
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/** @var ReflectionNamedType[] $namedTypes */ |
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$namedTypes = $type->getTypes(); |
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$types = $namedTypes; |
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} |
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return $types; |
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} |
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} |
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platine-php /
container
