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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator\Helper; |
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use InvalidArgumentException; |
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use IteratorAggregate; |
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use Traversable; |
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use Yiisoft\Validator\Rule\Callback; |
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use Yiisoft\Validator\RuleInterface; |
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use Yiisoft\Validator\SkipOnEmptyInterface; |
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use function is_callable; |
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/** |
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* @internal |
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* |
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* @template-implements IteratorAggregate<int, RuleInterface> |
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*/ |
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final class RulesNormalizerIterator implements IteratorAggregate |
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{ |
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private $defaultSkipOnEmptyCriteria; |
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public function __construct( |
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private iterable $rules, |
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?callable $defaultSkipOnEmptyCriteria = null |
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) { |
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$this->defaultSkipOnEmptyCriteria = $defaultSkipOnEmptyCriteria; |
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} |
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public function getIterator(): Traversable |
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{ |
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/** @var mixed $rule */ |
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foreach ($this->rules as $rule) { |
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yield self::normalizeRule($rule, $this->defaultSkipOnEmptyCriteria); |
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} |
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} |
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/** |
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* @throws InvalidArgumentException |
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*/ |
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private static function normalizeRule(mixed $rule, ?callable $defaultSkipOnEmptyCriteria): RuleInterface |
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{ |
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if (is_callable($rule)) { |
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return new Callback($rule); |
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} |
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if (!$rule instanceof RuleInterface) { |
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throw new InvalidArgumentException( |
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sprintf( |
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'Rule should be either an instance of %s or a callable, %s given.', |
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RuleInterface::class, |
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get_debug_type($rule) |
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) |
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); |
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} |
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if ( |
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$defaultSkipOnEmptyCriteria !== null |
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&& $rule instanceof SkipOnEmptyInterface |
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&& $rule->getSkipOnEmpty() === null |
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) { |
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$rule = $rule->skipOnEmpty($defaultSkipOnEmptyCriteria); |
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} |
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return $rule; |
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} |
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} |
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yiisoft /
validator
