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<?php declare(strict_types=1); |
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namespace DaveRandom\Jom; |
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use DaveRandom\Jom\Exceptions\Exception; |
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use DaveRandom\Jom\Exceptions\InvalidNodeValueException; |
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abstract class NodeFactory |
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{ |
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private const ENABLE_INVALID_VALUE_IGNORE = 0x8000; |
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private const IGNORE_INVALID_VALUES = Node::IGNORE_INVALID_VALUES | self::ENABLE_INVALID_VALUE_IGNORE; |
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private const NODE_FACTORY_METHODS = [ |
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'NULL' => 'createNullNode', |
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'boolean' => 'createNodeFromScalarValue', |
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'integer' => 'createNodeFromScalarValue', |
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'double' => 'createNodeFromScalarValue', |
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'string' => 'createNodeFromScalarValue', |
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'array' => 'createNodeFromArrayValue', |
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'object' => 'createNodeFromObjectValue', |
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]; |
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/** |
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* @throws InvalidNodeValueException |
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*/ |
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private function throwInvalidValue($value): void |
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{ |
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/** @noinspection PhpInternalEntityUsedInspection */ |
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throw new InvalidNodeValueException(\sprintf( |
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"Failed to create node from value of type '%s'", |
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describe($value) |
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)); |
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} |
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/** |
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* @uses createNullNode |
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*/ |
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private function createNullNode(?Document $ownerDoc): NullNode |
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{ |
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return new NullNode($ownerDoc); |
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} |
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/** |
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* @uses createNodeFromScalarValue |
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*/ |
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private function createNodeFromScalarValue(?Document $ownerDoc, $value): Node |
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{ |
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$className = [ |
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'boolean' => BooleanNode::class, |
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'integer' => NumberNode::class, |
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'double' => NumberNode::class, |
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'string' => StringNode::class, |
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][\gettype($value)]; |
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return new $className($value, $ownerDoc); |
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} |
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/** |
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* @throws InvalidNodeValueException |
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* @throws Exception |
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*/ |
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final protected function tryCreateNodeFromValue($value, ?Document $ownerDoc, int $flags): ?Node |
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{ |
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$factory = self::NODE_FACTORY_METHODS[\gettype($value)] ?? null; |
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if ($factory !== null) { |
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$node = $this->{$factory}($ownerDoc, $value, $flags); |
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} |
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if (isset($node)) { |
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return $node; |
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} |
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if (!($flags & Node::IGNORE_INVALID_VALUES)) { |
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$this->throwInvalidValue($value); |
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} |
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return null; |
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} |
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/** |
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* @throws InvalidNodeValueException |
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* @throws Exception |
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*/ |
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final protected function createArrayNodeFromPackedArray(array $values, ?Document $ownerDoc, int $flags): ArrayNode |
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{ |
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$node = new ArrayNode([], $ownerDoc); |
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foreach ($values as $value) { |
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if (null !== $valueNode = $this->tryCreateNodeFromValue($value, $ownerDoc, $flags)) { |
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$node->push($valueNode); |
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} |
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} |
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return $node; |
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} |
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/** |
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* @throws InvalidNodeValueException |
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* @throws Exception |
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*/ |
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final protected function createObjectNodeFromPropertyMap($properties, ?Document $ownerDoc, int $flags): ObjectNode |
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{ |
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$node = new ObjectNode([], $ownerDoc); |
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foreach ($properties as $name => $value) { |
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if (null !== $valueNode = $this->tryCreateNodeFromValue($value, $ownerDoc, $flags)) { |
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$node->setProperty($name, $valueNode); |
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} |
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} |
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return $node; |
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} |
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/** |
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* @throws InvalidNodeValueException |
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* @throws Exception |
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*/ |
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abstract protected function createNodeFromArrayValue(?Document $ownerDoc, array $array, int $flags): VectorNode; |
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/** |
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* @throws InvalidNodeValueException |
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* @throws Exception |
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*/ |
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abstract protected function createNodeFromObjectValue(?Document $ownerDoc, object $object, int $flags): ?Node; |
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/** |
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* @throws InvalidNodeValueException |
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* @throws Exception |
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*/ |
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final public function createNodeFromValue($value, ?Document $ownerDoc, int $flags): Node |
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{ |
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$node = $this->tryCreateNodeFromValue($value, $ownerDoc, $flags); |
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if ($node === null) { |
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$this->throwInvalidValue($value); |
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} |
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return $node; |
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} |
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} |
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DaveRandom /
JOM
