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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator\RulesProvider; |
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use Generator; |
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use ReflectionAttribute; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionObject; |
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use ReflectionProperty; |
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use Yiisoft\Validator\RuleInterface; |
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use Yiisoft\Validator\RulesProviderInterface; |
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final class AttributesRulesProvider implements RulesProviderInterface |
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{ |
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/** |
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* @var Generator|null |
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*/ |
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private Generator|null $rules = null; |
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public function __construct( |
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/** |
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* @param class-string|object $class |
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*/ |
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private string|object $source, |
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private int $propertyVisibility = ReflectionProperty::IS_PRIVATE | ReflectionProperty::IS_PROTECTED | ReflectionProperty::IS_PUBLIC |
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) { |
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} |
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/** |
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* @throws ReflectionException |
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* |
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* @return iterable |
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*/ |
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public function getRules(): iterable |
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{ |
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if ($this->rules === null) { |
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$this->rules = $this->parseRules(); |
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} |
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yield from $this->rules; |
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} |
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/** |
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* @throws ReflectionException |
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* |
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* @return Generator |
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*/ |
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private function parseRules(): iterable |
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{ |
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$reflection = is_object($this->source) |
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? new ReflectionObject($this->source) |
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: new ReflectionClass($this->source); |
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$reflectionProperties = $reflection->getProperties(); |
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if ($reflectionProperties === []) { |
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return []; |
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} |
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foreach ($reflectionProperties as $property) { |
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if (!$this->isUseProperty($property)) { |
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continue; |
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} |
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$attributes = $property->getAttributes(RuleInterface::class, ReflectionAttribute::IS_INSTANCEOF); |
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if ($attributes === []) { |
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continue; |
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} |
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yield $property->getName() => $this->createAttributes($attributes); |
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} |
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} |
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/** |
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* @param array<array-key, ReflectionAttribute<RuleInterface>> $attributes |
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* |
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* @return iterable |
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*/ |
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private function createAttributes(array $attributes): iterable |
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{ |
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foreach ($attributes as $attribute) { |
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yield $attribute->newInstance(); |
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} |
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} |
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private function isUseProperty(ReflectionProperty $property): bool |
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{ |
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return ($property->isPublic() && ($this->propertyVisibility & ReflectionProperty::IS_PUBLIC)) |
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|| ($property->isPrivate() && ($this->propertyVisibility & ReflectionProperty::IS_PRIVATE)) |
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|| ($property->isProtected() && ($this->propertyVisibility & ReflectionProperty::IS_PROTECTED)); |
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} |
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} |
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yiisoft /
validator
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