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\Context\ExecutionContextInterface;
  15 use Symfony\Component\Validator\Constraint;
  16 use Symfony\Component\Validator\ConstraintValidator;
  17 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  18
  19 /**
  20  * @author Bernhard Schussek <bschussek@gmail.com>
  21  */
  22 class LengthValidator extends ConstraintValidator
  23 {
  24     /**
  25      * {@inheritdoc}
  26      */
  27     public function validate($value, Constraint $constraint)
  28     {
  29         if (!$constraint instanceof Length) {
  30             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Length');
  31         }
  32
  33         if (null === $value || '' === $value) {
  34             return;
  35         }
  36
  37         if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
  38             throw new UnexpectedTypeException($value, 'string');
  39         }
  40
  41         $stringValue = (string) $value;
  42
  43         if (!$invalidCharset = !@mb_check_encoding($stringValue, $constraint->charset)) {
  44             $length = mb_strlen($stringValue, $constraint->charset);
  45         }
  46
  47         if ($invalidCharset) {
  48             if ($this->context instanceof ExecutionContextInterface) {
  49                 $this->context->buildViolation($constraint->charsetMessage)
  50                     ->setParameter('{{ value }}', $this->formatValue($stringValue))
  51                     ->setParameter('{{ charset }}', $constraint->charset)
  52                     ->setInvalidValue($value)
  53                     ->setCode(Length::INVALID_CHARACTERS_ERROR)
  54                     ->addViolation();
  55             } else {
  56                 $this->buildViolation($constraint->charsetMessage)
  57                     ->setParameter('{{ value }}', $this->formatValue($stringValue))
  58                     ->setParameter('{{ charset }}', $constraint->charset)
  59                     ->setInvalidValue($value)
  60                     ->setCode(Length::INVALID_CHARACTERS_ERROR)
  61                     ->addViolation();
  62             }
  63
  64             return;
  65         }
  66
  67         if (null !== $constraint->max && $length > $constraint->max) {
  68             if ($this->context instanceof ExecutionContextInterface) {
  69                 $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
  70                     ->setParameter('{{ value }}', $this->formatValue($stringValue))
  71                     ->setParameter('{{ limit }}', $constraint->max)
  72                     ->setInvalidValue($value)
  73                     ->setPlural((int) $constraint->max)
  74                     ->setCode(Length::TOO_LONG_ERROR)
  75                     ->addViolation();
  76             } else {
  77                 $this->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
  78                     ->setParameter('{{ value }}', $this->formatValue($stringValue))
  79                     ->setParameter('{{ limit }}', $constraint->max)
  80                     ->setInvalidValue($value)
  81                     ->setPlural((int) $constraint->max)
  82                     ->setCode(Length::TOO_LONG_ERROR)
  83                     ->addViolation();
  84             }
  85
  86             return;
  87         }
  88
  89         if (null !== $constraint->min && $length < $constraint->min) {
  90             if ($this->context instanceof ExecutionContextInterface) {
  91                 $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
  92                     ->setParameter('{{ value }}', $this->formatValue($stringValue))
  93                     ->setParameter('{{ limit }}', $constraint->min)
  94                     ->setInvalidValue($value)
  95                     ->setPlural((int) $constraint->min)
  96                     ->setCode(Length::TOO_SHORT_ERROR)
  97                     ->addViolation();
  98             } else {
  99                 $this->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
 100                     ->setParameter('{{ value }}', $this->formatValue($stringValue))
 101                     ->setParameter('{{ limit }}', $constraint->min)
 102                     ->setInvalidValue($value)
 103                     ->setPlural((int) $constraint->min)
 104                     ->setCode(Length::TOO_SHORT_ERROR)
 105                     ->addViolation();
 106             }
 107         }
 108     }
 109 }