f3db548a3d
DeprecatedFlyString relies heavily on DeprecatedString's StringImpl, so let's rename it to A) match the name of DeprecatedString, B) write a new FlyString class that is tied to String.
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/*
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* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/DOM/Element.h>
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#include <LibWeb/HTML/Parser/ListOfActiveFormattingElements.h>
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namespace Web::HTML {
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ListOfActiveFormattingElements::~ListOfActiveFormattingElements() = default;
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void ListOfActiveFormattingElements::visit_edges(JS::Cell::Visitor& visitor)
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{
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for (auto& entry : m_entries)
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visitor.visit(entry.element);
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}
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void ListOfActiveFormattingElements::add(DOM::Element& element)
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{
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// FIXME: Implement the Noah's Ark clause https://html.spec.whatwg.org/multipage/parsing.html#push-onto-the-list-of-active-formatting-elements
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m_entries.append({ element });
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}
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void ListOfActiveFormattingElements::add_marker()
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{
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m_entries.append({ nullptr });
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}
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bool ListOfActiveFormattingElements::contains(const DOM::Element& element) const
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{
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for (auto& entry : m_entries) {
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if (entry.element.ptr() == &element)
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return true;
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}
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return false;
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}
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DOM::Element* ListOfActiveFormattingElements::last_element_with_tag_name_before_marker(DeprecatedFlyString const& tag_name)
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{
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for (ssize_t i = m_entries.size() - 1; i >= 0; --i) {
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auto& entry = m_entries[i];
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if (entry.is_marker())
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return nullptr;
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if (entry.element->local_name() == tag_name)
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return entry.element.ptr();
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}
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return nullptr;
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}
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void ListOfActiveFormattingElements::remove(DOM::Element& element)
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{
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m_entries.remove_first_matching([&](auto& entry) {
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return entry.element.ptr() == &element;
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});
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}
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void ListOfActiveFormattingElements::clear_up_to_the_last_marker()
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{
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while (!m_entries.is_empty()) {
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auto entry = m_entries.take_last();
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if (entry.is_marker())
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break;
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}
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}
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Optional<size_t> ListOfActiveFormattingElements::find_index(DOM::Element const& element) const
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{
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for (size_t i = 0; i < m_entries.size(); i++) {
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if (m_entries[i].element.ptr() == &element)
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return i;
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}
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return {};
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}
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void ListOfActiveFormattingElements::replace(DOM::Element& to_remove, DOM::Element& to_add)
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{
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for (size_t i = 0; i < m_entries.size(); i++) {
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if (m_entries[i].element.ptr() == &to_remove)
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m_entries[i].element = JS::make_handle(to_add);
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}
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}
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void ListOfActiveFormattingElements::insert_at(size_t index, DOM::Element& element)
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{
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m_entries.insert(index, { element });
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}
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}
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