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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * 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;
- use Symfony\Component\Validator\Exception\UnexpectedValueException;
- /**
- * @author Bernhard Schussek <bschussek@gmail.com>
- */
- class LengthValidator extends ConstraintValidator
- {
- /**
- * {@inheritdoc}
- */
- public function validate($value, Constraint $constraint)
- {
- if (!$constraint instanceof Length) {
- throw new UnexpectedTypeException($constraint, Length::class);
- }
- if (null === $value || ('' === $value && $constraint->allowEmptyString)) {
- return;
- }
- if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
- throw new UnexpectedValueException($value, 'string');
- }
- $stringValue = (string) $value;
- if (null !== $constraint->normalizer) {
- $stringValue = ($constraint->normalizer)($stringValue);
- }
- try {
- $invalidCharset = !@mb_check_encoding($stringValue, $constraint->charset);
- } catch (\ValueError $e) {
- if (!str_starts_with($e->getMessage(), 'mb_check_encoding(): Argument #2 ($encoding) must be a valid encoding')) {
- throw $e;
- }
- $invalidCharset = true;
- }
- if ($invalidCharset) {
- $this->context->buildViolation($constraint->charsetMessage)
- ->setParameter('{{ value }}', $this->formatValue($stringValue))
- ->setParameter('{{ charset }}', $constraint->charset)
- ->setInvalidValue($value)
- ->setCode(Length::INVALID_CHARACTERS_ERROR)
- ->addViolation();
- return;
- }
- $length = mb_strlen($stringValue, $constraint->charset);
- if (null !== $constraint->max && $length > $constraint->max) {
- $this->context->buildViolation($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();
- return;
- }
- if (null !== $constraint->min && $length < $constraint->min) {
- $this->context->buildViolation($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();
- }
- }
- }
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