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| <?php | |
| declare( strict_types = 1 ); | |
| // phpcs:disable Generic.NamingConventions.CamelCapsFunctionName.MethodDoubleUnderscore | |
| // phpcs:disable Generic.NamingConventions.CamelCapsFunctionName.NotCamelCaps | |
| // phpcs:disable Generic.NamingConventions.CamelCapsFunctionName.ScopeNotCamelCaps | |
| // phpcs:disable MediaWiki.Commenting.FunctionAnnotations.UnrecognizedAnnotation | |
| // phpcs:disable MediaWiki.Commenting.FunctionComment.MissingParamTag | |
| // phpcs:disable MediaWiki.Commenting.FunctionComment.MissingReturn | |
| namespace Wikimedia\Dodo; | |
| /* | |
| * This trait selectively overrides Node, providing an alternative | |
| * (more performant) base class for Node subclasses that can never | |
| * have children, such as those derived from the abstract CharacterData | |
| * class. | |
| */ | |
| trait Leaf /* domino helper */ { | |
| /** | |
| * @copyDoc Node::hasChildNodes() | |
| */ | |
| final public function hasChildNodes(): bool { | |
| return false; | |
| } | |
| /** | |
| * @copyDoc Node::getFirstChild() | |
| */ | |
| final public function getFirstChild() { | |
| return null; | |
| } | |
| /** | |
| * @copyDoc Node::getLastChild() | |
| */ | |
| final public function getLastChild() { | |
| return null; | |
| } | |
| /** | |
| * @copyDoc Node::insertBefore() | |
| */ | |
| final public function insertBefore( $node, $refChild ) { | |
| Util::error( "NotFoundError" ); | |
| } | |
| /** | |
| * @copyDoc Node::replaceChild() | |
| */ | |
| final public function replaceChild( $node, $refChild ) { | |
| Util::error( "HierarchyRequestError" ); | |
| } | |
| /** | |
| * @copyDoc Node::removeChild() | |
| */ | |
| final public function removeChild( $node ) { | |
| Util::error( "NotFoundError" ); | |
| } | |
| /** | |
| * @copyDoc Node::__remove_children() | |
| */ | |
| final public function __remove_children() { | |
| /* no-op */ | |
| } | |
| /** | |
| * @copyDoc Node::getChildNodes() | |
| */ | |
| final public function getChildNodes() { | |
| '@phan-var Node $this'; // @var Node $this | |
| if ( $this->_childNodes === null ) { | |
| $this->_childNodes = new NodeList(); | |
| } | |
| return $this->_childNodes; | |
| } | |
| } |