72 lines
2.2 KiB
PHP
72 lines
2.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class LengthValidator extends ConstraintValidator
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{
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/**
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* {@inheritDoc}
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*/
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public function validate($value, Constraint $constraint)
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{
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if (null === $value || '' === $value) {
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return;
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}
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if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
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throw new UnexpectedTypeException($value, 'string');
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}
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$stringValue = (string) $value;
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if (function_exists('grapheme_strlen') && 'UTF-8' === $constraint->charset) {
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$length = grapheme_strlen($stringValue);
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} elseif (function_exists('mb_strlen')) {
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$length = mb_strlen($stringValue, $constraint->charset);
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} else {
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$length = strlen($stringValue);
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}
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if ($constraint->min == $constraint->max && $length != $constraint->min) {
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$this->context->addViolation($constraint->exactMessage, array(
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'{{ value }}' => $stringValue,
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'{{ limit }}' => $constraint->min,
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), $value, (int) $constraint->min);
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return;
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}
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if (null !== $constraint->max && $length > $constraint->max) {
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$this->context->addViolation($constraint->maxMessage, array(
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'{{ value }}' => $stringValue,
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'{{ limit }}' => $constraint->max,
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), $value, (int) $constraint->max);
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return;
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}
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if (null !== $constraint->min && $length < $constraint->min) {
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$this->context->addViolation($constraint->minMessage, array(
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'{{ value }}' => $stringValue,
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'{{ limit }}' => $constraint->min,
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), $value, (int) $constraint->min);
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}
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}
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}
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