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<?php |
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declare(strict_types=1); |
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/** |
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* PHP Deal framework |
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* |
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* @copyright Copyright 2019, Lisachenko Alexander <[email protected]> |
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* |
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* This source file is subject to the license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace PhpDeal\Aspect; |
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use Doctrine\Common\Annotations\Reader; |
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use Go\Aop\Aspect; |
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use Go\Aop\Intercept\MethodInvocation; |
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use Go\Aop\Support\AnnotatedReflectionMethod; |
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use PhpDeal\Annotation\Ensure; |
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use PhpDeal\Contract\Fetcher\Parent\MethodConditionFetcher; |
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use PhpDeal\Exception\ContractViolation; |
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use Go\Lang\Annotation\Around; |
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use ReflectionMethod; |
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class PostconditionCheckerAspect extends AbstractContractAspect implements Aspect |
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{ |
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/** |
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* @var MethodConditionFetcher |
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*/ |
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private $methodConditionFetcher; |
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public function __construct(Reader $reader) |
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{ |
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parent::__construct($reader); |
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$this->methodConditionFetcher = new MethodConditionFetcher([Ensure::class], $reader); |
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} |
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/** |
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* Verifies post-condition contract for the method |
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* |
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* @Around("@execution(PhpDeal\Annotation\Ensure)") |
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* @param MethodInvocation $invocation |
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* |
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* @throws ContractViolation |
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* @throws \ReflectionException |
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* @return mixed |
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*/ |
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public function postConditionContract(MethodInvocation $invocation) |
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{ |
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$object = $invocation->getThis(); |
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$args = $this->fetchMethodArguments($invocation); |
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$class = $invocation->getMethod()->getDeclaringClass(); |
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if (\is_object($object) && $class->isCloneable()) { |
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$args['__old'] = clone $object; |
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} |
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$result = $invocation->proceed(); |
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$args['__result'] = $result; |
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$allContracts = $this->fetchAllContracts($invocation); |
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$this->ensureContracts($invocation, $allContracts, $object, $class->name, $args); |
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return $result; |
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} |
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/** |
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* @param MethodInvocation $invocation |
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* @return array |
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* @throws \ReflectionException |
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*/ |
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private function fetchAllContracts(MethodInvocation $invocation): array |
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{ |
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$allContracts = $this->fetchParentsContracts($invocation); |
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/** @var ReflectionMethod&AnnotatedReflectionMethod $reflectionMethod */ |
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$reflectionMethod = $invocation->getMethod(); |
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foreach ($reflectionMethod->getAnnotations() as $annotation) { |
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if ($annotation instanceof Ensure) { |
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$allContracts[] = $annotation; |
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} |
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} |
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return \array_unique($allContracts); |
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} |
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/** |
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* @param MethodInvocation $invocation |
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* @return array |
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* @throws \ReflectionException |
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*/ |
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private function fetchParentsContracts(MethodInvocation $invocation): array |
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{ |
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return $this->methodConditionFetcher->getConditions( |
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$invocation->getMethod()->getDeclaringClass(), |
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$invocation->getMethod()->name |
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); |
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} |
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} |
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php-deal /
framework
This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types.