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/*
* Copyright (C) 2018-2022 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 "CSSParserMode.h"
#include "CSSPropertyNames.h"
#include "StyleRuleType.h"
#include <pal/text/TextEncoding.h>
#include <wtf/HashFunctions.h>
#include <wtf/Hasher.h>
#include <wtf/URL.h>
namespace WebCore {
class Document;
struct ResolvedURL;
struct CSSParserContext {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
URL baseURL;
String charset;
CSSParserMode mode { HTMLStandardMode };
std::optional<StyleRuleType> enclosingRuleType;
bool isHTMLDocument { false };
// This is only needed to support getMatchedCSSRules.
bool hasDocumentSecurityOrigin { false };
bool isContentOpaque { false };
bool useSystemAppearance { false };
// Settings, excluding those affecting properties.
bool colorContrastEnabled { false };
bool colorMixEnabled { false };
bool constantPropertiesEnabled { false };
bool counterStyleAtRuleImageSymbolsEnabled { false };
bool cssColor4 { false };
bool relativeColorSyntaxEnabled { false };
bool springTimingFunctionEnabled { false };
#if ENABLE(CSS_TRANSFORM_STYLE_OPTIMIZED_3D)
bool transformStyleOptimized3DEnabled { false };
#endif
bool useLegacyBackgroundSizeShorthandBehavior { false };
bool focusVisibleEnabled { false };
bool hasPseudoClassEnabled { false };
bool cascadeLayersEnabled { false };
bool overflowClipEnabled { false };
bool gradientPremultipliedAlphaInterpolationEnabled { false };
bool gradientInterpolationColorSpacesEnabled { false };
bool subgridEnabled { false };
// Settings, those affecting properties.
CSSPropertySettings propertySettings;
CSSParserContext(CSSParserMode, const URL& baseURL = URL());
WEBCORE_EXPORT CSSParserContext(const Document&, const URL& baseURL = URL(), const String& charset = emptyString());
ResolvedURL completeURL(const String&) const;
};
bool operator==(const CSSParserContext&, const CSSParserContext&);
inline bool operator!=(const CSSParserContext& a, const CSSParserContext& b) { return !(a == b); }
void add(Hasher&, const CSSParserContext&);
WEBCORE_EXPORT const CSSParserContext& strictCSSParserContext();
struct CSSParserContextHash {
static unsigned hash(const CSSParserContext& context) { return computeHash(context); }
static bool equal(const CSSParserContext& a, const CSSParserContext& b) { return a == b; }
static const bool safeToCompareToEmptyOrDeleted = false;
};
} // namespace WebCore
namespace WTF {
template<> struct HashTraits<WebCore::CSSParserContext> : GenericHashTraits<WebCore::CSSParserContext> {
static void constructDeletedValue(WebCore::CSSParserContext& slot) { new (NotNull, &slot.baseURL) URL(WTF::HashTableDeletedValue); }
static bool isDeletedValue(const WebCore::CSSParserContext& value) { return value.baseURL.isHashTableDeletedValue(); }
static WebCore::CSSParserContext emptyValue() { return WebCore::CSSParserContext(WebCore::HTMLStandardMode); }
};
template<> struct DefaultHash<WebCore::CSSParserContext> : WebCore::CSSParserContextHash { };
} // namespace WTF
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