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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 "PropertyAllowlist.h"
#include "RuleSet.h"
#include "SelectorChecker.h"
#include "StylePropertiesInlines.h"
#include "StyleScopeOrdinal.h"
#include <wtf/Hasher.h>
namespace WebCore::Style {
enum class FromStyleAttribute : bool { No, Yes };
struct MatchedProperties {
Ref<const StyleProperties> properties;
uint8_t linkMatchType { SelectorChecker::MatchAll };
PropertyAllowlist allowlistType { PropertyAllowlist::None };
ScopeOrdinal styleScopeOrdinal { ScopeOrdinal::Element };
FromStyleAttribute fromStyleAttribute { FromStyleAttribute::No };
CascadeLayerPriority cascadeLayerPriority { RuleSet::cascadeLayerPriorityForUnlayered };
};
struct MatchResult {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
bool isCacheable { true };
Vector<MatchedProperties> userAgentDeclarations;
Vector<MatchedProperties> userDeclarations;
Vector<MatchedProperties> authorDeclarations;
bool isEmpty() const { return userAgentDeclarations.isEmpty() && userDeclarations.isEmpty() && authorDeclarations.isEmpty(); }
};
inline bool operator==(const MatchResult& a, const MatchResult& b)
{
return a.isCacheable == b.isCacheable
&& a.userAgentDeclarations == b.userAgentDeclarations
&& a.userDeclarations == b.userDeclarations
&& a.authorDeclarations == b.authorDeclarations;
}
inline bool operator==(const MatchedProperties& a, const MatchedProperties& b)
{
return a.properties.ptr() == b.properties.ptr()
&& a.linkMatchType == b.linkMatchType
&& a.allowlistType == b.allowlistType
&& a.styleScopeOrdinal == b.styleScopeOrdinal
&& a.fromStyleAttribute == b.fromStyleAttribute
&& a.cascadeLayerPriority == b.cascadeLayerPriority;
}
inline void add(Hasher& hasher, const MatchedProperties& matchedProperties)
{
add(hasher,
matchedProperties.properties.ptr(),
matchedProperties.linkMatchType,
matchedProperties.allowlistType,
matchedProperties.styleScopeOrdinal,
matchedProperties.fromStyleAttribute,
matchedProperties.cascadeLayerPriority
);
}
inline void add(Hasher& hasher, const MatchResult& matchResult)
{
add(hasher, matchResult.userAgentDeclarations, matchResult.userDeclarations, matchResult.authorDeclarations);
}
}
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