LengthValidator.php in Plug 7

Namespace

Symfony\Component\Validator\Constraints

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/LengthValidator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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 <[e-mail]>
 */
class LengthValidator extends ConstraintValidator {

  /**
   * {@inheritdoc}
   */
  public function validate($value, Constraint $constraint) {
    if (!$constraint instanceof Length) {
      throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\Length');
    }
    if (null === $value || '' === $value) {
      return;
    }
    if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
      throw new UnexpectedTypeException($value, 'string');
    }
    $stringValue = (string) $value;
    $invalidCharset = false;
    if ('UTF8' === ($charset = strtoupper($constraint->charset))) {
      $charset = 'UTF-8';
    }
    if (function_exists('iconv_strlen')) {
      $length = @iconv_strlen($stringValue, $constraint->charset);
      $invalidCharset = false === $length;
    }
    elseif (function_exists('mb_strlen')) {
      if (mb_check_encoding($stringValue, $constraint->charset)) {
        $length = mb_strlen($stringValue, $constraint->charset);
      }
      else {
        $invalidCharset = true;
      }
    }
    elseif ('UTF-8' !== $charset) {
      $length = strlen($stringValue);
    }
    elseif (!preg_match('//u', $stringValue)) {
      $invalidCharset = true;
    }
    elseif (function_exists('utf8_decode')) {
      $length = strlen(utf8_decode($stringValue));
    }
    else {
      preg_replace('/./u', '', $stringValue, -1, $length);
    }
    if ($invalidCharset) {
      $this
        ->buildViolation($constraint->charsetMessage)
        ->setParameter('{{ value }}', $this
        ->formatValue($stringValue))
        ->setParameter('{{ charset }}', $constraint->charset)
        ->setInvalidValue($value)
        ->addViolation();
      return;
    }
    if (null !== $constraint->max && $length > $constraint->max) {
      $this
        ->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
        ->setParameter('{{ value }}', $this
        ->formatValue($stringValue))
        ->setParameter('{{ limit }}', $constraint->max)
        ->setInvalidValue($value)
        ->setPlural((int) $constraint->max)
        ->setCode(Length::TOO_LONG_ERROR)
        ->addViolation();
      return;
    }
    if (null !== $constraint->min && $length < $constraint->min) {
      $this
        ->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
        ->setParameter('{{ value }}', $this
        ->formatValue($stringValue))
        ->setParameter('{{ limit }}', $constraint->min)
        ->setInvalidValue($value)
        ->setPlural((int) $constraint->min)
        ->setCode(Length::TOO_SHORT_ERROR)
        ->addViolation();
    }
  }

}

Classes

Name	Description
LengthValidator	@author Bernhard Schussek <[e-mail]>