64 lines
2.1 KiB
PHP
64 lines
2.1 KiB
PHP
<?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\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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use Symfony\Component\Yaml\Exception\ParseException;
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use Symfony\Component\Yaml\Parser;
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/**
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* @author Kev <https://github.com/symfonyaml>
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*/
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class YamlValidator extends ConstraintValidator
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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 Yaml) {
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throw new UnexpectedTypeException($constraint, Yaml::class);
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}
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if (null === $value || '' === $value) {
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return;
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}
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if (!\is_scalar($value) && !$value instanceof \Stringable) {
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throw new UnexpectedValueException($value, 'string');
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}
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$value = (string) $value;
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/** @see \Symfony\Component\Yaml\Command\LintCommand::validate() */
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$prevErrorHandler = set_error_handler(function ($level, $message, $file, $line) use (&$prevErrorHandler) {
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if (\E_USER_DEPRECATED === $level) {
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throw new ParseException($message, $this->getParser()->getRealCurrentLineNb() + 1);
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}
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return $prevErrorHandler ? $prevErrorHandler($level, $message, $file, $line) : false;
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});
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try {
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(new Parser())->parse($value, $constraint->flags);
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} catch (ParseException $e) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ error }}', $e->getMessage())
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->setParameter('{{ line }}', $e->getParsedLine())
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->setCode(Yaml::INVALID_YAML_ERROR)
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->addViolation();
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} finally {
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restore_error_handler();
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}
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}
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}
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