66 lines
2.4 KiB
PHP
66 lines
2.4 KiB
PHP
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<?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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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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/**
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* @author Alexandre Daubois <alex.daubois@gmail.com>
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*/
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final class WordCountValidator extends ConstraintValidator
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{
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public function validate(mixed $value, Constraint $constraint): void
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{
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if (!class_exists(\IntlBreakIterator::class)) {
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throw new \RuntimeException(\sprintf('The "%s" constraint requires the "intl" PHP extension.', __CLASS__));
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}
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if (!$constraint instanceof WordCount) {
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throw new UnexpectedTypeException($constraint, WordCount::class);
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}
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if (null === $value || '' === $value) {
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return;
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}
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if (!\is_string($value) && !$value instanceof \Stringable) {
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throw new UnexpectedValueException($value, 'string');
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}
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$iterator = \IntlBreakIterator::createWordInstance($constraint->locale);
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$iterator->setText($value);
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$words = iterator_to_array($iterator->getPartsIterator());
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// erase "blank words" and don't count them as words
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$wordsCount = \count(array_filter(array_map(trim(...), $words), fn ($word) => '' !== $word));
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if (null !== $constraint->min && $wordsCount < $constraint->min) {
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$this->context->buildViolation($constraint->minMessage)
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->setParameter('{{ count }}', $wordsCount)
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->setParameter('{{ min }}', $constraint->min)
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->setPlural($constraint->min)
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->setInvalidValue($value)
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->addViolation();
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} elseif (null !== $constraint->max && $wordsCount > $constraint->max) {
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$this->context->buildViolation($constraint->maxMessage)
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->setParameter('{{ count }}', $wordsCount)
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->setParameter('{{ max }}', $constraint->max)
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->setPlural($constraint->max)
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->setInvalidValue($value)
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->addViolation();
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}
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}
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}
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