Mercurial > hg > isophonics-drupal-site
diff vendor/symfony/validator/Constraints/DateValidator.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 129ea1e6d783 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/symfony/validator/Constraints/DateValidator.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,76 @@ +<?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; + +/** + * @author Bernhard Schussek <bschussek@gmail.com> + */ +class DateValidator extends ConstraintValidator +{ + const PATTERN = '/^(\d{4})-(\d{2})-(\d{2})$/'; + + /** + * Checks whether a date is valid. + * + * @param int $year The year + * @param int $month The month + * @param int $day The day + * + * @return bool Whether the date is valid + * + * @internal + */ + public static function checkDate($year, $month, $day) + { + return checkdate($month, $day, $year); + } + + /** + * {@inheritdoc} + */ + public function validate($value, Constraint $constraint) + { + if (!$constraint instanceof Date) { + throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Date'); + } + + if (null === $value || '' === $value || $value instanceof \DateTimeInterface) { + return; + } + + if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) { + throw new UnexpectedTypeException($value, 'string'); + } + + $value = (string) $value; + + if (!preg_match(static::PATTERN, $value, $matches)) { + $this->context->buildViolation($constraint->message) + ->setParameter('{{ value }}', $this->formatValue($value)) + ->setCode(Date::INVALID_FORMAT_ERROR) + ->addViolation(); + + return; + } + + if (!self::checkDate($matches[1], $matches[2], $matches[3])) { + $this->context->buildViolation($constraint->message) + ->setParameter('{{ value }}', $this->formatValue($value)) + ->setCode(Date::INVALID_DATE_ERROR) + ->addViolation(); + } + } +}