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<?php |
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declare(strict_types=1); |
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namespace DH\Adf\Node; |
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use InvalidArgumentException; |
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abstract class BlockNode extends Node |
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{ |
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protected array $allowedContentTypes = []; |
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protected array $content = []; |
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public function jsonSerialize(): array |
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{ |
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$result = parent::jsonSerialize(); |
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$result['content'] = $this->content; |
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return $result; |
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} |
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public static function load(array $data, ?self $parent = null): self |
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{ |
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self::checkNodeData(static::class, $data); |
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$class = Node::NODE_MAPPING[$data['type']]; |
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$node = new $class($parent); |
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\assert($node instanceof self); |
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// set attributes if defined |
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if (\array_key_exists('attrs', $data)) { |
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foreach ($data['attrs'] as $key => $value) { |
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$node->{$key} = $value; |
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} |
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} |
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// set content if defined |
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if (\array_key_exists('content', $data)) { |
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foreach ($data['content'] as $nodeData) { |
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$class = Node::NODE_MAPPING[$nodeData['type']]; |
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$child = $class::load($nodeData, $node); |
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$node->append($child); |
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} |
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} |
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return $node; |
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} |
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public function getContent(): array |
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{ |
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return $this->content; |
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} |
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public function append(Node ...$nodes): BlockNode |
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{ |
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foreach ($nodes as $node) { |
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if ($this->isAppendAllowed($node)) { |
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$this->content[] = $node; |
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} else { |
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throw new InvalidArgumentException( |
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sprintf('Invalid content type "%s" for block node "%s".', $node->getType(), $this->getType()) |
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); |
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} |
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} |
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return $this; |
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} |
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protected function isAppendAllowed(Node $node): bool |
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{ |
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foreach ($this->allowedContentTypes as $allowedContentType) { |
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if ($node instanceof $allowedContentType) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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DamienHarper /
adf-tools
