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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\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 "items" and "additionalItems" keywords. |
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*/ |
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class ItemsConstraint 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 ['items', 'additionalItems']; |
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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 $type === Types::TYPE_ARRAY; |
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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 $walker) |
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{ |
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$this->createDefaults($schema); |
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$context->enterNode('items'); |
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$this->parseItemsProperty($schema, $context, $walker); |
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$context->enterSibling('additionalItems'); |
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$this->parseAdditionalItemsProperty($schema, $context, $walker); |
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$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 $walker) |
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{ |
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if (is_object($schema->items)) { |
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// 8.2.3.1. If items is a schema, then the child instance must be |
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// valid against this schema, regardless of its index, and |
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// regardless of the value of "additionalItems". |
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foreach ($instance as $index => $item) { |
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$context->enterNode($index); |
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$walker->applyConstraints($item, $schema->items, $context); |
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$context->leaveNode(); |
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} |
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} else { // "items" is an array |
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$itemSize = count($schema->items); |
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foreach ($instance as $index => $item) { |
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$context->enterNode($index); |
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// 8.2.3.2. If the index is less than, or equal to, the size of |
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// "items", the child instance must be valid against the |
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// corresponding schema in the "items" array; otherwise, it must |
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// be valid against the schema defined by "additionalItems". |
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// |
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// NOTE: this is adapted for 0-based indexation. |
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if ($index < $itemSize) { |
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$walker->applyConstraints($item, $schema->items[$index], $context); |
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} elseif ($schema->additionalItems === false) { |
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$context->addViolation('additional items are not allowed'); |
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} else { |
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$walker->applyConstraints($item, $schema->additionalItems, $context); |
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} |
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$context->leaveNode(); |
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} |
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} |
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} |
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private function createDefaults(stdClass $schema) |
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{ |
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if (!property_exists($schema, 'items')) { |
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$schema->items = new stdClass(); |
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} |
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if (!property_exists($schema, 'additionalItems') || $schema->additionalItems === true) { |
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$schema->additionalItems = new stdClass(); |
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} |
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} |
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private function parseItemsProperty(stdClass $schema, Context $context, Walker $walker) |
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{ |
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if (is_object($schema->items)) { |
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$walker->parseSchema($schema->items, $context); |
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} elseif (is_array($schema->items)) { |
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View Code Duplication |
foreach ($schema->items as $index => $item) { |
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$context->enterNode($index); |
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if (!is_object($item)) { |
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throw new InvalidTypeException($context, Types::TYPE_OBJECT); |
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} |
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$walker->parseSchema($item, $context); |
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$context->leaveNode(); |
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} |
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} else { |
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throw new InvalidTypeException($context, [Types::TYPE_OBJECT, Types::TYPE_ARRAY]); |
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} |
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} |
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View Code Duplication |
private function parseAdditionalItemsProperty(stdClass $schema, Context $context, Walker $walker) |
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{ |
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if (is_object($schema->additionalItems)) { |
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$walker->parseSchema($schema->additionalItems, $context); |
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} elseif (!is_bool($schema->additionalItems)) { |
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throw new InvalidTypeException($context, [Types::TYPE_OBJECT, Types::TYPE_BOOLEAN]); |
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} |
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} |
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} |
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stefk /
JVal
