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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\EmptyArrayException; |
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use JVal\Exception\Constraint\InvalidTypeException; |
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use JVal\Exception\Constraint\NotUniqueException; |
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use JVal\Types; |
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use JVal\Utils; |
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use JVal\Walker; |
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use stdClass; |
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/** |
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* Constraint for the "enum" keyword. |
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*/ |
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class EnumConstraint implements Constraint |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function keywords() |
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{ |
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return ['enum']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supports($type) |
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{ |
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return true; |
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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('enum'); |
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if (!is_array($schema->enum)) { |
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throw new InvalidTypeException($context, Types::TYPE_ARRAY); |
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} |
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if (count($schema->enum) === 0) { |
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throw new EmptyArrayException($context); |
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} |
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foreach ($schema->enum as $i => $aItem) { |
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foreach ($schema->enum as $j => $bItem) { |
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if ($i !== $j && Utils::areEqual($aItem, $bItem)) { |
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throw new NotUniqueException($context); |
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} |
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} |
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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 $walker) |
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{ |
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$hasMatch = false; |
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foreach ($schema->enum as $value) { |
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if (Utils::areEqual($instance, $value)) { |
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$hasMatch = true; |
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break; |
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} |
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} |
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if (!$hasMatch) { |
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$context->addViolation('should match one element in enum'); |
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} |
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} |
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} |
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stefk /
JVal
