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<?php |
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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\Lang\Annotation\Around; |
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use PhpDeal\Annotation\Ensure; |
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use PhpDeal\Annotation\Invariant; |
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use PhpDeal\Annotation\Verify; |
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use PhpDeal\Contract\Fetcher\Parent\InvariantFetcher; |
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use PhpDeal\Contract\Fetcher\Parent\MethodConditionFetcher; |
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use PhpDeal\Exception\ContractViolation; |
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use ReflectionClass; |
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class InheritCheckerAspect 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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/** @var InvariantFetcher */ |
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private $invariantFetcher; |
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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, Verify::class, Invariant::class], $reader); |
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$this->invariantFetcher = new InvariantFetcher([Invariant::class], $reader); |
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} |
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/** |
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* Verifies inherit contracts for the method |
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* |
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* @Around("@execution(PhpDeal\Annotation\Inherit)") |
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* @param MethodInvocation $invocation |
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* |
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* @throws ContractViolation |
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* @return mixed |
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*/ |
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public function inheritMethodContracts(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 = $invocation->getMethod()->getDeclaringClass(); |
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if ($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 = $this->fetchMethodContracts($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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* @Around("@within(PhpDeal\Annotation\Inherit) && execution(public **->*(*))") |
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* @param MethodInvocation $invocation |
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* @return mixed |
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*/ |
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public function inheritClassContracts(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 = $invocation->getMethod()->getDeclaringClass(); |
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if ($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 = $this->fetchClassContracts($class); |
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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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*/ |
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private function fetchMethodContracts(MethodInvocation $invocation) |
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{ |
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$allContracts = $this->fetchParentsMethodContracts($invocation); |
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foreach ($invocation->getMethod()->getAnnotations() as $annotation) { |
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$annotationClass = \get_class($annotation); |
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if (\in_array($annotationClass, [Ensure::class, Verify::class, Invariant::class], true)) { |
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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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*/ |
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private function fetchParentsMethodContracts(MethodInvocation $invocation) |
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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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* @param ReflectionClass $class |
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* @return array |
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*/ |
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private function fetchClassContracts(ReflectionClass $class) |
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{ |
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$allContracts = $this->invariantFetcher->getConditions($class); |
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foreach ($this->reader->getClassAnnotations($class) as $annotation) { |
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if ($annotation instanceof Invariant) { |
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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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php-deal /
framework
