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<?php |
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declare(strict_types=1); |
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namespace PHPHtmlParser\Dom; |
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use PHPHtmlParser\Dom\Node\AbstractNode; |
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use PHPHtmlParser\Dom\Node\HtmlNode; |
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use PHPHtmlParser\Exceptions\ChildNotFoundException; |
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use PHPHtmlParser\Exceptions\NotLoadedException; |
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trait RootAccessTrait |
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{ |
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/** |
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* Contains the root node of this dom tree. |
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* |
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* @var HtmlNode |
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*/ |
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public $root; |
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/** |
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* A simple wrapper around the root node. |
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* |
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* @param string $name |
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* |
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* @throws NotLoadedException |
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* |
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* @return mixed |
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*/ |
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public function __get($name) |
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{ |
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$this->isLoaded(); |
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return $this->root->$name; |
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} |
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/** |
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* Simple wrapper function that returns the first child. |
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* |
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* @throws ChildNotFoundException |
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* @throws NotLoadedException |
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*/ |
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public function firstChild(): AbstractNode |
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{ |
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$this->isLoaded(); |
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return $this->root->firstChild(); |
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} |
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/** |
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* Simple wrapper function that returns the last child. |
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* |
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* @throws ChildNotFoundException |
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* @throws NotLoadedException |
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*/ |
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public function lastChild(): AbstractNode |
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{ |
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$this->isLoaded(); |
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return $this->root->lastChild(); |
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} |
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/** |
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* Simple wrapper function that returns count of child elements. |
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* |
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* @throws NotLoadedException |
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*/ |
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public function countChildren(): int |
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{ |
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$this->isLoaded(); |
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return $this->root->countChildren(); |
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} |
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/** |
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* Get array of children. |
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* |
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* @throws NotLoadedException |
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*/ |
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public function getChildren(): array |
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{ |
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$this->isLoaded(); |
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return $this->root->getChildren(); |
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} |
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/** |
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* Check if node have children nodes. |
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* |
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* @throws NotLoadedException |
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*/ |
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public function hasChildren(): bool |
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{ |
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$this->isLoaded(); |
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return $this->root->hasChildren(); |
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} |
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abstract public function isLoaded(): void; |
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} |
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