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<?php |
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declare(strict_types=1); |
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namespace Spiral\Tokenizer\Attribute; |
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use Spiral\Attributes\Factory; |
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use Spiral\Attributes\NamedArgumentConstructor; |
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use Spiral\Tokenizer\TokenizationListenerInterface; |
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/** |
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* When applied to a listener, this attribute will instruct the tokenizer to listen for classes that use attributes of |
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* the given class. |
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* @see TokenizationListenerInterface |
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*/ |
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#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE), NamedArgumentConstructor] |
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final class TargetAttribute implements ListenerDefinitionInterface |
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{ |
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/** |
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* @param class-string $class |
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* @param non-empty-string|null $scope |
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*/ |
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public function __construct( |
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public readonly string $class, |
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public readonly ?string $scope = null, |
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) { |
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} |
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public function filter(array $classes): \Generator |
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{ |
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$target = new \ReflectionClass($this->class); |
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$attribute = $target->getAttributes(\Attribute::class)[0] ?? null; |
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$reader = (new Factory())->create(); |
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if ($attribute === null) { |
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return; |
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} |
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$attribute = $attribute->newInstance(); |
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foreach ($classes as $class) { |
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// If attribute is defined on class level and class has target attribute |
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// then we can add it to the list of classes |
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if (($attribute->flags & \Attribute::TARGET_CLASS) |
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&& $reader->firstClassMetadata($class, $target->getName()) |
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) { |
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yield $class->getName(); |
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continue; |
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} |
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// If attribute is defined on method level and class methods has target attribute |
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// then we can add it to the list of classes |
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if ($attribute->flags & \Attribute::TARGET_METHOD) { |
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foreach ($class->getMethods() as $method) { |
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if ($reader->firstFunctionMetadata($method, $target->getName())) { |
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yield $class->getName(); |
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continue 2; |
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} |
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} |
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} |
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// If attribute is defined on property level and class properties has target attribute |
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// then we can add it to the list of classes |
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if ($attribute->flags & \Attribute::TARGET_PROPERTY) { |
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foreach ($class->getProperties() as $property) { |
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if ($reader->firstPropertyMetadata($property, $target->getName())) { |
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yield $class->getName(); |
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continue 2; |
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} |
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} |
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} |
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// If attribute is defined on constant level and class constants has target attribute |
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// then we can add it to the list of classes |
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if ($attribute->flags & \Attribute::TARGET_CLASS_CONSTANT) { |
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foreach ($class->getReflectionConstants() as $constant) { |
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if ($reader->firstConstantMetadata($constant, $target->getName())) { |
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yield $class->getName(); |
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continue 2; |
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} |
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} |
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} |
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// If attribute is defined on method parameters level and class method parameter has target attribute |
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// then we can add it to the list of classes |
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if ($attribute->flags & \Attribute::TARGET_PARAMETER) { |
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foreach ($class->getMethods() as $method) { |
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foreach ($method->getParameters() as $parameter) { |
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if ($reader->firstParameterMetadata($parameter, $target->getName())) { |
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yield $class->getName(); |
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continue 3; |
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} |
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} |
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} |
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} |
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} |
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} |
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public function getScope(): ?string |
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{ |
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return $this->scope; |
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} |
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public function getCacheKey(): string |
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{ |
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return \md5($this->class . $this->scope); |
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} |
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} |
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spiral /
framework
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