62 lines
2.1 KiB
PHP
62 lines
2.1 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\LogicException;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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final class WhenValidator extends ConstraintValidator
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{
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public function __construct(private ?ExpressionLanguage $expressionLanguage = null)
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{
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}
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public function validate(mixed $value, Constraint $constraint): void
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{
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if (!$constraint instanceof When) {
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throw new UnexpectedTypeException($constraint, When::class);
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}
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$context = $this->context;
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$variables = $constraint->values;
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$variables['value'] = $value;
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$variables['this'] = $context->getObject();
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$variables['context'] = $context;
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if ($constraint->expression instanceof \Closure) {
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$result = ($constraint->expression)($context->getObject());
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} else {
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$result = $this->getExpressionLanguage()->evaluate($constraint->expression, $variables);
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}
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if ($result) {
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$context->getValidator()->inContext($context)
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->validate($value, $constraint->constraints);
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} elseif ($constraint->otherwise) {
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$context->getValidator()->inContext($context)
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->validate($value, $constraint->otherwise);
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}
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}
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private function getExpressionLanguage(): ExpressionLanguage
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{
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if (!class_exists(ExpressionLanguage::class)) {
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throw new LogicException(\sprintf('The "symfony/expression-language" component is required to use the "%s" validator. Try running "composer require symfony/expression-language".', __CLASS__));
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}
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return $this->expressionLanguage ??= new ExpressionLanguage();
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}
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}
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