84 lines
2.9 KiB
PHP
84 lines
2.9 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\ConstraintDefinitionException;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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* ChoiceValidator validates that the value is one of the expected values.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Florian Eckerstorfer <florian@eckerstorfer.org>
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* @author Bernhard Schussek <bschussek@gmail.com>
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*
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* @api
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*/
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class ChoiceValidator 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 $constraint)
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{
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if (!$constraint->choices && !$constraint->callback) {
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throw new ConstraintDefinitionException('Either "choices" or "callback" must be specified on constraint Choice');
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}
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if (null === $value) {
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return;
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}
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if ($constraint->multiple && !is_array($value)) {
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throw new UnexpectedTypeException($value, 'array');
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}
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if ($constraint->callback) {
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if (is_callable(array($this->context->getClassName(), $constraint->callback))) {
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$choices = call_user_func(array($this->context->getClassName(), $constraint->callback));
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} elseif (is_callable($constraint->callback)) {
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$choices = call_user_func($constraint->callback);
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} else {
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throw new ConstraintDefinitionException('The Choice constraint expects a valid callback');
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}
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} else {
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$choices = $constraint->choices;
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}
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if ($constraint->multiple) {
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foreach ($value as $_value) {
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if (!in_array($_value, $choices, $constraint->strict)) {
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$this->context->addViolation($constraint->multipleMessage, array('{{ value }}' => $_value));
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}
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}
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$count = count($value);
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if ($constraint->min !== null && $count < $constraint->min) {
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$this->context->addViolation($constraint->minMessage, array('{{ limit }}' => $constraint->min), null, (int) $constraint->min);
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return;
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}
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if ($constraint->max !== null && $count > $constraint->max) {
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$this->context->addViolation($constraint->maxMessage, array('{{ limit }}' => $constraint->max), null, (int) $constraint->max);
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return;
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}
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} elseif (!in_array($value, $choices, $constraint->strict)) {
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$this->context->addViolation($constraint->message, array('{{ value }}' => $value));
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}
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}
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}
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