Mercurial > hg > isophonics-drupal-site
diff vendor/symfony/validator/Constraints/AbstractComparisonValidator.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 | 1fec387a4317 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/symfony/validator/Constraints/AbstractComparisonValidator.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,84 @@ +<?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; + +/** + * Provides a base class for the validation of property comparisons. + * + * @author Daniel Holmes <daniel@danielholmes.org> + * @author Bernhard Schussek <bschussek@gmail.com> + */ +abstract class AbstractComparisonValidator extends ConstraintValidator +{ + /** + * {@inheritdoc} + */ + public function validate($value, Constraint $constraint) + { + if (!$constraint instanceof AbstractComparison) { + throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\AbstractComparison'); + } + + if (null === $value) { + return; + } + + $comparedValue = $constraint->value; + + // Convert strings to DateTimes if comparing another DateTime + // This allows to compare with any date/time value supported by + // the DateTime constructor: + // http://php.net/manual/en/datetime.formats.php + if (is_string($comparedValue)) { + if ($value instanceof \DateTimeImmutable) { + // If $value is immutable, convert the compared value to a + // DateTimeImmutable too + $comparedValue = new \DatetimeImmutable($comparedValue); + } elseif ($value instanceof \DateTimeInterface) { + // Otherwise use DateTime + $comparedValue = new \DateTime($comparedValue); + } + } + + if (!$this->compareValues($value, $comparedValue)) { + $this->context->buildViolation($constraint->message) + ->setParameter('{{ value }}', $this->formatValue($value, self::OBJECT_TO_STRING | self::PRETTY_DATE)) + ->setParameter('{{ compared_value }}', $this->formatValue($comparedValue, self::OBJECT_TO_STRING | self::PRETTY_DATE)) + ->setParameter('{{ compared_value_type }}', $this->formatTypeOf($comparedValue)) + ->setCode($this->getErrorCode()) + ->addViolation(); + } + } + + /** + * Compares the two given values to find if their relationship is valid. + * + * @param mixed $value1 The first value to compare + * @param mixed $value2 The second value to compare + * + * @return bool true if the relationship is valid, false otherwise + */ + abstract protected function compareValues($value1, $value2); + + /** + * Returns the error code used if the comparison fails. + * + * @return string|null The error code or `null` if no code should be set + */ + protected function getErrorCode() + { + } +}