2013-04-29 13:43:20 +01:00
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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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/**
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* Provides a base class for the validation of property comparisons.
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*
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* @author Daniel Holmes <daniel@danielholmes.org>
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*/
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abstract class AbstractComparisonValidator 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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2013-07-25 13:05:03 +01:00
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if (null === $value) {
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return;
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}
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2013-04-29 13:43:20 +01:00
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if (!$this->compareValues($value, $constraint->value, $constraint)) {
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$this->context->addViolation($constraint->message, array(
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'{{ value }}' => $this->valueToString($constraint->value),
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'{{ compared_value }}' => $this->valueToString($constraint->value),
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'{{ compared_value_type }}' => $this->valueToType($constraint->value)
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));
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}
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}
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/**
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* Returns a string representation of the type of the value.
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*
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* @param mixed $value
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*
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* @return string
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*/
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private function valueToType($value)
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{
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return is_object($value) ? get_class($value) : gettype($value);
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}
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/**
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* Returns a string representation of the value.
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*
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* @param mixed $value
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*
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* @return string
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*/
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private function valueToString($value)
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{
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if ($value instanceof \DateTime) {
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return $value->format('Y-m-d H:i:s');
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}
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return var_export($value, true);
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}
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/**
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* Compares the two given values to find if their relationship is valid
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*
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* @param mixed $value1 The first value to compare
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* @param mixed $value2 The second value to compare
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*
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* @return Boolean true if the relationship is valid, false otherwise
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*/
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abstract protected function compareValues($value1, $value2);
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}
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