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<?php |
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/* |
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* This file is part of the ICanBoogie package. |
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* |
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* (c) Olivier Laviale <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ICanBoogie\Transformation\Symfony; |
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use ICanBoogie\Transformation\PSR\TransformationProvider; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; |
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use Symfony\Component\DependencyInjection\Exception\LogicException; |
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use Symfony\Component\DependencyInjection\TypedReference; |
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/** |
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* Registers the transformation provider. |
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*/ |
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class TransformationPass implements CompilerPassInterface |
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{ |
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const DEFAULT_SERVICE_ID = 'transformation.provider'; |
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const DEFAULT_TAG = 'transformation'; |
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const DEFAULT_TYPE_PROPERTY = 'type'; |
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/** |
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* @var string |
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*/ |
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private $serviceId; |
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/** |
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* @var string |
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*/ |
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private $tag; |
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/** |
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* @var string |
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*/ |
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private $typeProperty; |
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/** |
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* @param string $serviceId |
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* @param string $tag |
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* @param string $typeProperty |
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*/ |
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public function __construct( |
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$serviceId = self::DEFAULT_SERVICE_ID, |
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$tag = self::DEFAULT_TAG, |
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$typeProperty = self::DEFAULT_TYPE_PROPERTY |
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) { |
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$this->serviceId = $serviceId; |
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$this->tag = $tag; |
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$this->typeProperty = $typeProperty; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function process(ContainerBuilder $container) |
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{ |
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list($mapping, $refMap) = $this->buildMappingAndRefMap($container); |
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$container |
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->register($this->serviceId, TransformationProvider::class) |
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->setArguments([ |
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$mapping, |
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ServiceLocatorTagPass::register($container, $refMap), |
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]); |
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} |
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/** |
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* @param ContainerBuilder $container |
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* |
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* @return array |
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*/ |
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private function buildMappingAndRefMap(ContainerBuilder $container) |
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{ |
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$transformers = $container->findTaggedServiceIds($this->tag, true); |
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$mapping = []; |
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$refMap = []; |
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foreach ($transformers as $id => $tags) { |
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$type = $this->resolveType($tags, $id); |
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$this->assertTypeNotDefined($type, $mapping); |
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$mapping[$type] = $id; |
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$refMap[$id] = new TypedReference($id, $container->getDefinition($id)->getClass()); |
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} |
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return [ $mapping, $refMap ]; |
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} |
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/** |
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* @param array $tags |
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* @param string $id |
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* |
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* @return string |
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*/ |
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private function resolveType(array $tags, string $id): string |
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{ |
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$typeProperty = $this->typeProperty; |
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if (empty($tags[0][$typeProperty])) { |
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throw new InvalidArgumentException( |
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"The `$typeProperty` property is required for service `$id`." |
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); |
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} |
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return $tags[0][$typeProperty]; |
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} |
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/** |
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* @param string $type |
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* @param array $mapping |
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*/ |
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private function assertTypeNotDefined(string $type, array $mapping): void |
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{ |
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if (isset($mapping[$type])) { |
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throw new LogicException( |
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"The type `$type` already has a transformation: `{$mapping[$type]}`." |
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); |
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} |
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} |
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} |
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ICanBoogie /
Transformation
