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<?php |
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/** |
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* Created by Vitaly Iegorov <[email protected]>. |
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* on 15.04.16 at 12:47. |
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*/ |
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namespace samsonframework\html2less; |
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/** |
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* LESS tree node. |
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* |
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* @author Vitaly Egorov <[email protected]> |
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* @copyright 2016 SamsonOS |
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*/ |
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class Node |
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{ |
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/** @var string Selector for node */ |
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public $selector; |
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/** @var string HTML tag name */ |
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public $tag; |
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/** @var $this Pointer to parent node */ |
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public $parent; |
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/** @var self[] Collection of nested nodes */ |
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public $children = array(); |
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/** |
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* Create LESS Node. |
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* |
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* @param string $selector Forced LESS node selector |
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* @param string $tag HTML tag name |
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* @param self $parent Pointer to parent node |
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*/ |
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public function __construct($selector, $tag, self &$parent = null) |
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{ |
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// Pointer to parent LESS Node |
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$this->parent = &$parent; |
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$this->selector = $selector; |
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$this->tag = $tag; |
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// Add this node to parent |
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if (null !== $parent) { |
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// Store child by selector to avoid duplication |
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$parent->children[$this->selector] = $this; |
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} |
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} |
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/** |
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* Get child node by selector. |
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* |
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* @param string $selector Node selector |
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* |
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* @return null|$this Node or null if not found |
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*/ |
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public function getChild($selector) |
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{ |
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if (array_key_exists($selector, $this->children)) { |
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return $this->children[$selector]; |
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} |
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return; |
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} |
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/** |
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* @return string Object string representation |
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*/ |
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public function __toString() |
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{ |
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return $this->selector; |
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} |
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} |
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