NonElementParentNode.h 946 B

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  1. /*
  2. * Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <AK/FlyString.h>
  8. #include <AK/Forward.h>
  9. #include <LibJS/Heap/GCPtr.h>
  10. #include <LibWeb/Forward.h>
  11. #include <LibWeb/HTML/AttributeNames.h>
  12. #include <LibWeb/TreeNode.h>
  13. namespace Web::DOM {
  14. template<typename NodeType>
  15. class NonElementParentNode {
  16. public:
  17. JS::GCPtr<Element> get_element_by_id(FlyString const& id) const
  18. {
  19. JS::GCPtr<Element> found_element;
  20. const_cast<NodeType*>(static_cast<NodeType const*>(this))->template for_each_in_inclusive_subtree_of_type<Element>([&](auto& element) {
  21. if (element.id() == id) {
  22. found_element = &element;
  23. return TraversalDecision::Break;
  24. }
  25. return TraversalDecision::Continue;
  26. });
  27. return found_element;
  28. }
  29. protected:
  30. NonElementParentNode() = default;
  31. };
  32. }