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LibWeb: Implement getting the traversable navigable of a navigable
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@ -9,6 +9,7 @@
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#include <LibWeb/HTML/DocumentState.h>
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#include <LibWeb/HTML/DocumentState.h>
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#include <LibWeb/HTML/Navigable.h>
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#include <LibWeb/HTML/Navigable.h>
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#include <LibWeb/HTML/SessionHistoryEntry.h>
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#include <LibWeb/HTML/SessionHistoryEntry.h>
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#include <LibWeb/HTML/TraversableNavigable.h>
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namespace Web::HTML {
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namespace Web::HTML {
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@ -80,4 +81,18 @@ void Navigable::set_container(JS::GCPtr<NavigableContainer> container)
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m_container = container;
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m_container = container;
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}
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}
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// https://html.spec.whatwg.org/multipage/document-sequences.html#nav-traversable
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JS::GCPtr<TraversableNavigable> Navigable::traversable_navigable()
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{
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// 1. Let navigable be inputNavigable.
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auto navigable = this;
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// 2. While navigable is not a traversable navigable, set navigable to navigable's parent.
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while (navigable && !is<TraversableNavigable>(*navigable))
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navigable = navigable->parent();
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// 3. Return navigable.
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return static_cast<TraversableNavigable*>(navigable);
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}
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}
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}
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@ -40,6 +40,8 @@ public:
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JS::GCPtr<NavigableContainer> container() const;
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JS::GCPtr<NavigableContainer> container() const;
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void set_container(JS::GCPtr<NavigableContainer>);
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void set_container(JS::GCPtr<NavigableContainer>);
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JS::GCPtr<TraversableNavigable> traversable_navigable();
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protected:
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protected:
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Navigable();
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Navigable();
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