www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/validator/Constraints/LengthValidator.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Validator\Constraints;
  13
  14 use Symfony\Component\Validator\Constraint;
  15 use Symfony\Component\Validator\ConstraintValidator;
  16 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  17
  18 /**
  19  * @author Bernhard Schussek <bschussek@gmail.com>
  20  */
  21 class LengthValidator extends ConstraintValidator
  22 {
  23     /**
  24      * {@inheritdoc}
  25      */
  26     public function validate($value, Constraint $constraint)
  27     {
  28         if (!$constraint instanceof Length) {
  29             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Length');
  30         }
  31
  32         if (null === $value || '' === $value) {
  33             return;
  34         }
  35
  36         if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
  37             throw new UnexpectedTypeException($value, 'string');
  38         }
  39
  40         $stringValue = (string) $value;
  41
  42         if (!$invalidCharset = !@mb_check_encoding($stringValue, $constraint->charset)) {
  43             $length = mb_strlen($stringValue, $constraint->charset);
  44         }
  45
  46         if ($invalidCharset) {
  47             $this->context->buildViolation($constraint->charsetMessage)
  48                 ->setParameter('{{ value }}', $this->formatValue($stringValue))
  49                 ->setParameter('{{ charset }}', $constraint->charset)
  50                 ->setInvalidValue($value)
  51                 ->setCode(Length::INVALID_CHARACTERS_ERROR)
  52                 ->addViolation();
  53
  54             return;
  55         }
  56
  57         if (null !== $constraint->max && $length > $constraint->max) {
  58             $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
  59                 ->setParameter('{{ value }}', $this->formatValue($stringValue))
  60                 ->setParameter('{{ limit }}', $constraint->max)
  61                 ->setInvalidValue($value)
  62                 ->setPlural((int) $constraint->max)
  63                 ->setCode(Length::TOO_LONG_ERROR)
  64                 ->addViolation();
  65
  66             return;
  67         }
  68
  69         if (null !== $constraint->min && $length < $constraint->min) {
  70             $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
  71                 ->setParameter('{{ value }}', $this->formatValue($stringValue))
  72                 ->setParameter('{{ limit }}', $constraint->min)
  73                 ->setInvalidValue($value)
  74                 ->setPlural((int) $constraint->min)
  75                 ->setCode(Length::TOO_SHORT_ERROR)
  76                 ->addViolation();
  77         }
  78     }
  79 }