92 lines
2.9 KiB
PHP
92 lines
2.9 KiB
PHP
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<?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\Context\ExecutionContextInterface;
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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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/**
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class TimeValidator extends ConstraintValidator
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{
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const PATTERN = '/^(\d{2}):(\d{2}):(\d{2})$/';
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/**
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* Checks whether a time is valid.
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*
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* @param int $hour The hour
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* @param int $minute The minute
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* @param int $second The second
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*
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* @return bool Whether the time is valid
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*
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* @internal
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*/
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public static function checkTime($hour, $minute, $second)
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{
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return $hour >= 0 && $hour < 24 && $minute >= 0 && $minute < 60 && $second >= 0 && $second < 60;
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}
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/**
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* {@inheritdoc}
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*/
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public function validate($value, Constraint $constraint)
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{
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if (!$constraint instanceof Time) {
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throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Time');
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}
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if (null === $value || '' === $value || $value instanceof \DateTime) {
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return;
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}
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if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
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throw new UnexpectedTypeException($value, 'string');
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}
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$value = (string) $value;
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if (!preg_match(static::PATTERN, $value, $matches)) {
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if ($this->context instanceof ExecutionContextInterface) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Time::INVALID_FORMAT_ERROR)
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->addViolation();
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} else {
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$this->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Time::INVALID_FORMAT_ERROR)
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->addViolation();
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}
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return;
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}
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if (!self::checkTime($matches[1], $matches[2], $matches[3])) {
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if ($this->context instanceof ExecutionContextInterface) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Time::INVALID_TIME_ERROR)
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->addViolation();
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} else {
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$this->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Time::INVALID_TIME_ERROR)
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->addViolation();
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}
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}
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}
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}
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