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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "ContainerQuery.h"
#include "HasSelectorFilter.h"
#include "SelectorFilter.h"
#include <wtf/HashMap.h>
namespace WebCore::Style {
using HasPseudoClassCacheKey = std::pair<const Element*, const CSSSelector*>;
using HasPseudoClassFilterKey = std::pair<const Element*, uint8_t>;
enum class HasPseudoClassMatch : uint8_t { None, Matches, Fails, FailsSubtree };
struct SelectorMatchingState {
SelectorFilter selectorFilter;
CachedQueryContainers queryContainers;
HashMap<HasPseudoClassCacheKey, HasPseudoClassMatch> hasPseudoClassMatchCache;
HashMap<HasPseudoClassFilterKey, std::unique_ptr<HasSelectorFilter>> hasPseudoClassSelectorFilters;
};
inline HasPseudoClassCacheKey makeHasPseudoClassCacheKey(const Element& element, const CSSSelector& selector)
{
return { &element, &selector };
}
inline HasPseudoClassFilterKey makeHasPseudoClassFilterKey(const Element& element, HasSelectorFilter::Type type)
{
return { &element, static_cast<uint8_t>(type) };
}
}
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