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LibHTML: Add is<ElementType> and to<ElementType> helper functions

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These will help us write node-type-aware template functions.
This commit is contained in:
Andreas Kling 2019-10-06 20:37:39 +02:00
parent bedb00603c
commit f52f2736e1
12 changed files with 93 additions and 22 deletions
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2
Libraries/LibHTML/DOM/Node.cpp
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@ -56,7 +56,7 @@ RefPtr<LayoutNode> Node::create_layout_tree(const StyleResolver& resolver, const
const HTMLAnchorElement* Node::enclosing_link_element() const
{
if (is_element() && tag_name().to_lowercase() == "a")
if (is<HTMLAnchorElement>(*this))
return static_cast<const HTMLAnchorElement*>(this);
return parent() ? parent()->enclosing_link_element() : nullptr;
}