65 lines
1.5 KiB
PHP
65 lines
1.5 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PHPHtmlParser;
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use PHPHtmlParser\Dom\Node\AbstractNode;
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use PHPHtmlParser\Dom\Node\InnerNode;
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use PHPHtmlParser\Exceptions\ChildNotFoundException;
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use PHPHtmlParser\Exceptions\ParentNotFoundException;
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class Finder
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{
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/**
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* @var int
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*/
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private $id;
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/**
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* Finder constructor.
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*
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* @param $id
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*/
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public function __construct($id)
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{
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$this->id = $id;
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}
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/**
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* Find node in tree by id.
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*
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* @throws ChildNotFoundException
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* @throws ParentNotFoundException
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*
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* @return bool|AbstractNode
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*/
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public function find(AbstractNode $node)
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{
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if (!$node->id() && $node instanceof InnerNode) {
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return $this->find($node->firstChild());
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}
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if ($node->id() == $this->id) {
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return $node;
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}
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if ($node->hasNextSibling()) {
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$nextSibling = $node->nextSibling();
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if ($nextSibling->id() == $this->id) {
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return $nextSibling;
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}
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if ($nextSibling->id() > $this->id && $node instanceof InnerNode) {
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return $this->find($node->firstChild());
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}
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if ($nextSibling->id() < $this->id) {
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return $this->find($nextSibling);
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}
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} elseif (!$node->isTextNode() && $node instanceof InnerNode) {
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return $this->find($node->firstChild());
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}
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return false;
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}
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}
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