mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2026-04-19 10:20:22 +00:00
a9cc425cde
This adds visit_edges(Cell::Visitor&) methods to various helper structs that contain GC pointers, and makes sure they are called from owning GC-heap-allocated objects as needed. These were found by our Clang plugin after expanding its capabilities. The added rules will be enforced by CI going forward.
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2018-2024, Andreas Kling <andreas@ladybird.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/HashMap.h>
|
|
#include <LibWeb/CSS/Selector.h>
|
|
#include <LibWeb/DOM/Element.h>
|
|
|
|
namespace Web::SelectorEngine {
|
|
|
|
enum class SelectorKind {
|
|
Normal,
|
|
Relative,
|
|
};
|
|
|
|
enum class HasMatchResult : u8 {
|
|
Matched,
|
|
NotMatched,
|
|
};
|
|
|
|
struct HasResultCacheKey {
|
|
CSS::Selector const* selector;
|
|
GC::Ptr<DOM::Element const> element;
|
|
|
|
void visit_edges(GC::Cell::Visitor& visitor)
|
|
{
|
|
visitor.visit(element);
|
|
}
|
|
|
|
bool operator==(HasResultCacheKey const&) const = default;
|
|
};
|
|
|
|
struct HasResultCacheKeyTraits : Traits<HasResultCacheKey> {
|
|
static unsigned hash(HasResultCacheKey const& key)
|
|
{
|
|
return pair_int_hash(ptr_hash(key.selector), ptr_hash(key.element.ptr()));
|
|
}
|
|
};
|
|
|
|
using HasResultCache = HashMap<HasResultCacheKey, HasMatchResult, HasResultCacheKeyTraits>;
|
|
|
|
struct MatchContext {
|
|
GC::Ptr<CSS::CSSStyleSheet const> style_sheet_for_rule {};
|
|
GC::Ptr<DOM::Element const> subject {};
|
|
GC::Ptr<DOM::Element const> slotted_element {}; // Only set when matching a ::slotted() pseudo-element
|
|
GC::Ptr<DOM::Element const> part_owning_parent {}; // Only set temporarily when matching a ::part() pseudo-element
|
|
bool collect_per_element_selector_involvement_metadata { false };
|
|
CSS::PseudoClassBitmap attempted_pseudo_class_matches {};
|
|
HasResultCache* has_result_cache { nullptr };
|
|
};
|
|
|
|
bool matches(CSS::Selector const&, DOM::Element const&, GC::Ptr<DOM::Element const> shadow_host, MatchContext& context, Optional<CSS::PseudoElement> = {}, GC::Ptr<DOM::ParentNode const> scope = {}, SelectorKind selector_kind = SelectorKind::Normal, GC::Ptr<DOM::Element const> anchor = nullptr);
|
|
|
|
}
|