ladybird/Libraries/LibWeb/DOM/ElementByIdMap.cpp
Andreas Kling dfa796a4e4 LibJS+LibWeb: Use GC::Weak instead of AK::WeakPtr for GC-allocated types
This makes some common types like JS::Object smaller (by 8 bytes) and
yields a minor speed improvement on many benchmarks.
2025-10-17 17:22:16 +02:00

41 lines
1.2 KiB
C++

/*
* Copyright (c) 2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/DOM/ElementByIdMap.h>
namespace Web::DOM {
void ElementByIdMap::add(FlyString const& element_id, Element& element)
{
auto& elements_with_id = m_map.ensure(element_id, [] { return Vector<GC::Weak<Element>> {}; });
// Remove all elements that were deallocated.
elements_with_id.remove_all_matching([](GC::Weak<Element>& element) {
return !element;
});
elements_with_id.remove_first_matching([&](auto const& another_element) {
return &element == another_element.ptr();
});
elements_with_id.insert_before_matching(GC::Weak<Element> { element }, [&](auto& another_element) {
return element.is_before(*another_element);
});
}
void ElementByIdMap::remove(FlyString const& element_id, Element& element)
{
auto maybe_elements_with_id = m_map.get(element_id);
if (!maybe_elements_with_id.has_value())
return;
auto& elements_with_id = *maybe_elements_with_id;
elements_with_id.remove_all_matching([&](auto& another_element) {
if (!another_element)
return true;
return &element == another_element.ptr();
});
}
}