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LibHTML: Add Document::get_element_by_id() and get_elements_by_name()

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These will be useful for implementing various things. They don't do any
caching at the moment, but that might become valuable in the future.

To facilitate this change, I also made it possible to abort a tree walk
with for_each_in_subtree() by returning IterationDecision::Break from
the callback.
This commit is contained in:
Andreas Kling 2019-10-21 12:01:30 +02:00
parent 465a33443c
commit 4d9740ecef
5 changed files with 57 additions and 11 deletions
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3
Libraries/LibHTML/DOM/Document.h
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@ -80,6 +80,9 @@ public:
void schedule_style_update();
const Element* get_element_by_id(const String&) const;
Vector<const Element*> get_elements_by_name(const String&) const;
private:
virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) const override;