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<?php declare(strict_types = 1); |
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/** |
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* Created by Vitaly Iegorov <[email protected]>. |
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* on 31.03.17 at 09:23 |
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*/ |
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namespace samsonframework\stringconditiontree; |
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/** |
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* Class TreeNode |
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* |
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* @author Vitaly Egorov <[email protected]> |
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*/ |
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class TreeNode extends AbstractIterable |
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{ |
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/** string Internal collection name for iteration and counting */ |
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protected const COLLECTION_NAME = 'children'; |
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/** @var TreeNode[] Collection of tree node children */ |
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public $children = []; |
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/** @var string Tree node identifier */ |
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public $identifier; |
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/** @var self Pointer to parent node */ |
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public $parent; |
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/** @var string Tree node value */ |
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public $value; |
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/** @var string Tree node full value */ |
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public $fullValue; |
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/** |
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* TreeNode constructor. |
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* |
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* @param string $value Node value |
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* @param string $identifier Node identifier |
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* @param TreeNode $parent Pointer to parent node |
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*/ |
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public function __construct(string $value = '', string $identifier = '', TreeNode $parent = null) |
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{ |
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parent::__construct(); |
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$this->value = $value; |
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$this->parent = $parent; |
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$this->identifier = $identifier; |
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$this->fullValue = $parent !== null ? $parent->fullValue . $value : ''; |
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} |
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/** |
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* Convert tree node to associative array. |
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* |
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* @return array Tree structure as hashed array |
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*/ |
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public function toArray(): array |
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{ |
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$result = []; |
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// Render @self item for tests |
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if ($this->identifier !== '') { |
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$result[StringConditionTree::SELF_NAME] = $this->identifier; |
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} |
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/** |
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* @var string $key |
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* @var TreeNode $child |
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*/ |
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foreach ($this as $key => $child) { |
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$result[$key] = $child->toArray(); |
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} |
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return $result; |
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} |
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/** |
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* Append new node instance and return it. |
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* |
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* @param string $value Node value |
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* @param string $identifier Node identifier |
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* |
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* @return TreeNode New created node instance |
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*/ |
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public function append(string $value, string $identifier): TreeNode |
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{ |
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return $this->children[$value] = new self($value, $identifier, $this); |
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} |
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} |
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samsonframework /
string-condition-tree
