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2025-10-08 11:39:17 -04:00
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Parser;
/**
* @author Kev <https://github.com/symfonyaml>
*/
class YamlValidator extends ConstraintValidator
{
public function validate(mixed $value, Constraint $constraint): void
{
if (!$constraint instanceof Yaml) {
throw new UnexpectedTypeException($constraint, Yaml::class);
}
if (null === $value || '' === $value) {
return;
}
if (!\is_scalar($value) && !$value instanceof \Stringable) {
throw new UnexpectedValueException($value, 'string');
}
$value = (string) $value;
/** @see \Symfony\Component\Yaml\Command\LintCommand::validate() */
$prevErrorHandler = set_error_handler(function ($level, $message, $file, $line) use (&$prevErrorHandler) {
if (\E_USER_DEPRECATED === $level) {
throw new ParseException($message, $this->getParser()->getRealCurrentLineNb() + 1);
}
return $prevErrorHandler ? $prevErrorHandler($level, $message, $file, $line) : false;
});
try {
(new Parser())->parse($value, $constraint->flags);
} catch (ParseException $e) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ error }}', $e->getMessage())
->setParameter('{{ line }}', $e->getParsedLine())
->setCode(Yaml::INVALID_YAML_ERROR)
->addViolation();
} finally {
restore_error_handler();
}
}
}