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<?php |
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declare(strict_types=1); |
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namespace GraphQL\Doctrine\Attribute\Reader; |
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use GraphQL\Doctrine\Attribute\ApiAttribute; |
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use GraphQL\Doctrine\Exception; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use ReflectionParameter; |
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use ReflectionProperty; |
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/** |
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* API attribute reader. |
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*/ |
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final class Reader |
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{ |
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/** |
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* Return an array of all attributes found in the class hierarchy, including its traits, indexed by the class name. |
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* |
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* @template T of ApiAttribute |
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* |
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* @param class-string<T> $attributeName |
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* |
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* @return array<class-string, T[]> attributes indexed by the class name where they were found |
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*/ |
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public function getRecursiveClassAttributes(ReflectionClass $class, string $attributeName): array |
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{ |
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$result = []; |
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$attributes = $this->getAttributeInstances($class, $attributeName); |
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if ($attributes) { |
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$result[$class->getName()] = $attributes; |
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} |
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foreach ($class->getTraits() as $trait) { |
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$result = array_merge($result, self::getRecursiveClassAttributes($trait, $attributeName)); |
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} |
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$parent = $class->getParentClass(); |
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if ($parent) { |
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$result = array_merge($result, self::getRecursiveClassAttributes($parent, $attributeName)); |
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} |
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return $result; |
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} |
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/** |
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* @template T of ApiAttribute |
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* |
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* @param class-string<T> $attributeName |
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* |
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* @return null|T |
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*/ |
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public function getAttribute(ReflectionClass|ReflectionProperty|ReflectionMethod|ReflectionParameter $element, string $attributeName): ?ApiAttribute |
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{ |
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$attributes = $this->getAttributeInstances($element, $attributeName); |
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return reset($attributes) ?: null; |
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} |
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/** |
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* @template T of ApiAttribute |
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* |
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* @param class-string<T> $attributeName |
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* |
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* @return T[] |
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*/ |
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private function getAttributeInstances(ReflectionClass|ReflectionMethod|ReflectionParameter|ReflectionProperty $element, string $attributeName): array |
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{ |
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if (!is_subclass_of($attributeName, ApiAttribute::class)) { |
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throw new Exception(self::class . ' cannot be used for attribute than are not part of `ecodev/graphql-doctrine`.'); |
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} |
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$attributes = $element->getAttributes($attributeName); |
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$instances = []; |
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foreach ($attributes as $attribute) { |
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$instance = $attribute->newInstance(); |
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$instances[] = $instance; |
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} |
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return $instances; |
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} |
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} |
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Ecodev /
graphql-doctrine
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