mirrors/ladybird
1
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-04-20 19:45:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

LibHTML: Add Node::{next,previous}_element_sibling()

Browse source 
These helpers return the next/previous sibling Node that's actually an
element. This will be useful in the CSS engine since CSS doesn't care
about text nodes.
This commit is contained in:
Andreas Kling 2019-10-06 19:54:50 +02:00
parent cad326f323
commit 5a6c36dc91
Notes: sideshowbarker 2024-07-19 11:46:41 +09:00
2 changed files with 22 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
Libraries/LibHTML/DOM/Node.cpp
View file

@ -83,3 +83,21 @@ String Node::text_content() const
builder.trim(1);
return builder.to_string();
}
const Element* Node::next_element_sibling() const
{
for (auto* node = next_sibling(); node; node = node->next_sibling()) {
if (node->is_element())
return static_cast<const Element*>(node);
}
return nullptr;
}
const Element* Node::previous_element_sibling() const
{
for (auto* node = previous_sibling(); node; node = node->previous_sibling()) {
if (node->is_element())
return static_cast<const Element*>(node);
}
return nullptr;
}

4
Libraries/LibHTML/DOM/Node.h
View file

@ -14,6 +14,7 @@ enum class NodeType : unsigned {
};
class Document;
class Element;
class HTMLElement;
class HTMLAnchorElement;
class ParentNode;
@ -63,6 +64,9 @@ public:
void set_layout_node(Badge<LayoutNode>, LayoutNode* layout_node) const { m_layout_node = layout_node; }
const Element* previous_element_sibling() const;
const Element* next_element_sibling() const;
protected:
Node(Document&, NodeType);