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<?php |
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/* |
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* This file is part of the JVal package. |
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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 JVal\Constraint; |
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use JVal\Constraint; |
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use JVal\Context; |
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use JVal\Exception\Constraint\InvalidTypeException; |
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use JVal\Exception\Constraint\NotStrictlyPositiveException; |
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use JVal\Types; |
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use JVal\Walker; |
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use stdClass; |
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/** |
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* Constraint for the "multipleOf" keyword. |
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*/ |
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class MultipleOfConstraint implements Constraint |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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373 |
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public function keywords() |
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{ |
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return ['multipleOf']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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357 |
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public function supports($type) |
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{ |
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return $type === Types::TYPE_INTEGER || $type === Types::TYPE_NUMBER; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function normalize(stdClass $schema, Context $context, Walker $walker) |
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{ |
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$context->enterNode('multipleOf'); |
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if (!Types::isA($schema->multipleOf, Types::TYPE_NUMBER)) { |
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throw new InvalidTypeException($context, Types::TYPE_NUMBER); |
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} |
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if ($schema->multipleOf <= 0) { |
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throw new NotStrictlyPositiveException($context); |
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} |
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$context->leaveNode(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function apply($instance, stdClass $schema, Context $context, Walker $walker) |
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{ |
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$divider = $schema->multipleOf; |
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$modulus = fmod($instance, $divider); |
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$precision = abs(0.0000000001); |
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$diff = (float) ($modulus - $divider); |
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if (-$precision < $diff && $diff < $precision) { |
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1 |
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$fMod = 0.0; |
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1 |
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} else { |
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$decimals1 = mb_strpos($instance, '.') ? |
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mb_strlen($instance) - mb_strpos($instance, '.') - 1 : |
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0; |
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$decimals2 = mb_strpos($divider, '.') ? |
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mb_strlen($divider) - mb_strpos($divider, '.') - 1 : |
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0; |
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$fMod = (float) round($modulus, max($decimals1, $decimals2)); |
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} |
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if ($fMod != 0) { |
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$context->addViolation('should be a multiple of %s', [$divider]); |
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} |
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} |
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} |
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stefk /
JVal
