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/*
* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/DOM/Element.h>
#include <LibWeb/Forward.h>
namespace Web::HTML {
class ListOfActiveFormattingElements {
public:
ListOfActiveFormattingElements() = default;
~ListOfActiveFormattingElements();
struct Entry {
bool is_marker() const { return !element; }
JS::GCPtr<DOM::Element> element;
};
bool is_empty() const { return m_entries.is_empty(); }
bool contains(const DOM::Element&) const;
void add(DOM::Element& element);
void add_marker();
void insert_at(size_t index, DOM::Element& element);
void replace(DOM::Element& to_remove, DOM::Element& to_add);
void remove(DOM::Element&);
Vector<Entry> const& entries() const { return m_entries; }
Vector<Entry>& entries() { return m_entries; }
DOM::Element* last_element_with_tag_name_before_marker(DeprecatedFlyString const& tag_name);
void clear_up_to_the_last_marker();
Optional<size_t> find_index(DOM::Element const&) const;
void visit_edges(JS::Cell::Visitor&);
private:
Vector<Entry> m_entries;
};
}
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