/usr/share/php/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php is in php-symfony-validator 2.7.10-0ubuntu2.
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/*
* 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\Context\ExecutionContextInterface;
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 \DateTime || $value instanceof \DateTimeInterface) {
// Otherwise use DateTime
$comparedValue = new \DateTime($comparedValue);
}
}
if (!$this->compareValues($value, $comparedValue)) {
if ($this->context instanceof ExecutionContextInterface) {
$this->context->buildViolation($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))
->addViolation();
} else {
$this->buildViolation($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))
->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);
}
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