Viewing file:  ChoiceValidator.php (2.87 KB) -rw-r--r--
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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\ConstraintDefinitionException;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
/**
* ChoiceValidator validates that the value is one of the expected values.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Florian Eckerstorfer <florian@eckerstorfer.org>
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @api
*/
class ChoiceValidator extends ConstraintValidator
{
/**
* {@inheritDoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint->choices && !$constraint->callback) {
throw new ConstraintDefinitionException('Either "choices" or "callback" must be specified on constraint Choice');
}
if (null === $value) {
return;
}
if ($constraint->multiple && !is_array($value)) {
throw new UnexpectedTypeException($value, 'array');
}
if ($constraint->callback) {
if (is_callable(array($this->context->getClassName(), $constraint->callback))) {
$choices = call_user_func(array($this->context->getClassName(), $constraint->callback));
} elseif (is_callable($constraint->callback)) {
$choices = call_user_func($constraint->callback);
} else {
throw new ConstraintDefinitionException('The Choice constraint expects a valid callback');
}
} else {
$choices = $constraint->choices;
}
if ($constraint->multiple) {
foreach ($value as $_value) {
if (!in_array($_value, $choices, $constraint->strict)) {
$this->context->addViolation($constraint->multipleMessage, array('{{ value }}' => $_value));
}
}
$count = count($value);
if ($constraint->min !== null && $count < $constraint->min) {
$this->context->addViolation($constraint->minMessage, array('{{ limit }}' => $constraint->min), null, (int) $constraint->min);
return;
}
if ($constraint->max !== null && $count > $constraint->max) {
$this->context->addViolation($constraint->maxMessage, array('{{ limit }}' => $constraint->max), null, (int) $constraint->max);
return;
}
} elseif (!in_array($value, $choices, $constraint->strict)) {
$this->context->addViolation($constraint->message, array('{{ value }}' => $value));
}
}
}
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