public function LengthValidator::validate in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/symfony/validator/Constraints/LengthValidator.php \Symfony\Component\Validator\Constraints\LengthValidator::validate()

Checks if the passed value is valid.

Parameters

mixed $value The value that should be validated:

Constraint $constraint The constraint for the validation:

Overrides ConstraintValidatorInterface::validate

File

vendor/symfony/validator/Constraints/LengthValidator.php, line 27

Class

LengthValidator

@author Bernhard Schussek <bschussek@gmail.com>

Namespace

Symfony\Component\Validator\Constraints

Code

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 ('UTF-8' === $charset) {
    if (!preg_match('//u', $stringValue)) {
      $invalidCharset = true;
    }
    elseif (function_exists('utf8_decode')) {
      $length = strlen(utf8_decode($stringValue));
    }
    else {
      preg_replace('/./u', '', $stringValue, -1, $length);
    }
  }
  elseif (function_exists('mb_strlen')) {
    if (@mb_check_encoding($stringValue, $constraint->charset)) {
      $length = mb_strlen($stringValue, $constraint->charset);
    }
    else {
      $invalidCharset = true;
    }
  }
  elseif (function_exists('iconv_strlen')) {
    $length = @iconv_strlen($stringValue, $constraint->charset);
    $invalidCharset = false === $length;
  }
  else {
    $length = strlen($stringValue);
  }
  if ($invalidCharset) {
    if ($this->context instanceof ExecutionContextInterface) {
      $this->context
        ->buildViolation($constraint->charsetMessage)
        ->setParameter('{{ value }}', $this
        ->formatValue($stringValue))
        ->setParameter('{{ charset }}', $constraint->charset)
        ->setInvalidValue($value)
        ->addViolation();
    }
    else {
      $this
        ->buildViolation($constraint->charsetMessage)
        ->setParameter('{{ value }}', $this
        ->formatValue($stringValue))
        ->setParameter('{{ charset }}', $constraint->charset)
        ->setInvalidValue($value)
        ->addViolation();
    }
    return;
  }
  if (null !== $constraint->max && $length > $constraint->max) {
    if ($this->context instanceof ExecutionContextInterface) {
      $this->context
        ->buildViolation($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();
    }
    else {
      $this
        ->buildViolation($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 < $constraint->min) {
    if ($this->context instanceof ExecutionContextInterface) {
      $this->context
        ->buildViolation($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();
    }
    else {
      $this
        ->buildViolation($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();
    }
  }
}