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<?php |
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declare(strict_types=1); |
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namespace RustamWin\Attributes\Reader; |
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use JetBrains\PhpStorm\Pure; |
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use ReflectionAttribute; |
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use ReflectionClass; |
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use ReflectionClassConstant; |
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use ReflectionMethod; |
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use ReflectionParameter; |
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use ReflectionProperty; |
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use RustamWin\Attributes\Dto\ResolvedAttribute; |
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use RustamWin\Attributes\Instantiator\Instantiator; |
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use RustamWin\Attributes\Instantiator\InstantiatorInterface; |
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final class AttributeReader implements AttributeReaderInterface |
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{ |
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private InstantiatorInterface $instantiator; |
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#[Pure] |
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public function __construct(?InstantiatorInterface $instantiator = null) |
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{ |
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$this->instantiator = $instantiator ?? new Instantiator(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function read(ReflectionClass $ref): array |
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{ |
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return array_merge( |
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$this->readClassAttributes($ref), |
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$this->readConstantAttributes($ref), |
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$this->readPropertyAttributes($ref), |
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$this->readMethodAttributes($ref) |
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); |
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} |
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/** |
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* @return ResolvedAttribute[] |
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* |
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* @psalm-return array<ResolvedAttribute> |
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*/ |
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private function readClassAttributes(ReflectionClass $class): array |
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{ |
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return $this->readAttributes($class); |
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} |
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private function readConstantAttributes(ReflectionClass $class): array |
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{ |
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$constants = $class->getReflectionConstants(); |
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return $this->mapAttributes($constants); |
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} |
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private function readPropertyAttributes(ReflectionClass $class): array |
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{ |
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$properties = $class->getProperties(); |
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return $this->mapAttributes($properties); |
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} |
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/** |
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* @psalm-return array<array-key, ResolvedAttribute> |
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*/ |
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private function readMethodAttributes(ReflectionClass $class): array |
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{ |
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$methods = $class->getMethods(); |
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$mappedMethods = $this->mapAttributes($methods); |
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$mappedParameters = array_map( |
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fn (ReflectionMethod $method) => $this->readParameterAttributes($method), |
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$methods |
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); |
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return array_merge($mappedMethods, ...$mappedParameters); |
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} |
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private function readParameterAttributes(ReflectionMethod $method): array |
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{ |
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$parameters = $method->getParameters(); |
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return $this->mapAttributes($parameters); |
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} |
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/** |
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* @return ResolvedAttribute[] |
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*/ |
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private function readAttributes( |
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ReflectionClass|ReflectionClassConstant|ReflectionProperty|ReflectionMethod|ReflectionParameter $ref |
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): array { |
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return array_map( |
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fn (ReflectionAttribute $attribute) => new ResolvedAttribute( |
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attribute: $this->instantiator->instantiate($attribute), |
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reflectionTarget: $ref |
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), |
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$this->filterAttributes($ref->getAttributes()) |
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); |
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} |
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/** |
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* @param array $attributes |
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* |
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* @return array |
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*/ |
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private function filterAttributes(array $attributes): array |
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{ |
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return array_filter( |
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$attributes, |
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static fn (ReflectionAttribute $attribute) => class_exists($attribute->getName()) |
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); |
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} |
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/** |
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* @psalm-param list<ReflectionClass|ReflectionClassConstant|ReflectionProperty|ReflectionMethod|ReflectionParameter> $targets |
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* |
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* @return ResolvedAttribute[] |
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* |
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* @psalm-return array<ResolvedAttribute> |
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*/ |
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private function mapAttributes(array $targets): array |
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{ |
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$resolvedAttributes = array_map( |
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fn ($targetRef) => $this->readAttributes($targetRef), |
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$targets |
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); |
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return array_merge(...$resolvedAttributes); |
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} |
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} |
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rustamwin /
attributes
