9303e9e76f
Which pretty much needs to be done together due to the amount of places where they are compared together. This also involves porting over StackOfOpenElements over to FlyString from DeprecatedFly string to prevent a gazillion calls to `.to_deprecated_fly_string` calls in HTMLParser.
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(FlyString 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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