/
TimeValidator.php
76 lines (64 loc) · 2.19 KB
/
TimeValidator.php
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<?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 TimeValidator extends ConstraintValidator
{
const PATTERN = '/^(\d{2}):(\d{2}):(\d{2})$/';
/**
* Checks whether a time is valid.
*
* @param int $hour The hour
* @param int $minute The minute
* @param int $second The second
*
* @return bool Whether the time is valid
*
* @internal
*/
public static function checkTime($hour, $minute, $second)
{
return $hour >= 0 && $hour < 24 && $minute >= 0 && $minute < 60 && $second >= 0 && $second < 60;
}
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Time) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Time');
}
if (null === $value || '' === $value || $value instanceof \DateTime) {
return;
}
if (!is_scalar($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(Time::INVALID_FORMAT_ERROR)
->addViolation();
return;
}
if (!self::checkTime($matches[1], $matches[2], $matches[3])) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Time::INVALID_TIME_ERROR)
->addViolation();
}
}
}