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https://bugs.webkit.org/show_bug.cgi?id=264250 rdar://117996144 Reviewed by Alan Baradlay. Cache the final CSSValue for variable references in all cases. * Source/WebCore/Sources.txt: * Source/WebCore/WebCore.xcodeproj/project.pbxproj: * Source/WebCore/css/CSSPendingSubstitutionValue.cpp: Added. (WebCore::CSSPendingSubstitutionValue::resolveValue const): For shortcut references cache each individual longhand. * Source/WebCore/css/CSSPendingSubstitutionValue.h: * Source/WebCore/css/CSSVariableReferenceValue.cpp: (WebCore::CSSVariableReferenceValue::cacheSimpleReference): (WebCore::CSSVariableReferenceValue::resolveSingleValue const): (WebCore::CSSVariableReferenceValue::resolveAndCacheValue const): Deleted. (WebCore::CSSVariableReferenceValue::resolveSubstitutionValue const): Deleted. * Source/WebCore/css/CSSVariableReferenceValue.h: (WebCore::CSSVariableReferenceValue::resolveAndCacheValue const): Cache also in non-simple reference case. In these cases we still resolve the tokens and use their equaivalence to test the validity of the cached value. * Source/WebCore/style/StyleBuilder.cpp: (WebCore::Style::Builder::resolveVariableReferences): Canonical link: https://commits.webkit.org/270376@main
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/* | ||
* Copyright (C) 2023 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. | ||
*/ | ||
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#include "config.h" | ||
#include "CSSPendingSubstitutionValue.h" | ||
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#include "CSSPropertyParser.h" | ||
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namespace WebCore { | ||
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RefPtr<CSSValue> CSSPendingSubstitutionValue::resolveValue(Style::BuilderState& builderState, CSSPropertyID propertyID) const | ||
{ | ||
auto cacheValue = [&](auto data) { | ||
ParsedPropertyVector parsedProperties; | ||
if (!CSSPropertyParser::parseValue(m_shorthandPropertyId, false, data->tokens(), data->context(), parsedProperties, StyleRuleType::Style)) { | ||
m_cachedPropertyValues = { }; | ||
return; | ||
} | ||
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m_cachedPropertyValues = parsedProperties; | ||
}; | ||
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if (!m_shorthandValue->resolveAndCacheValue(builderState, cacheValue)) | ||
return nullptr; | ||
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for (auto& property : m_cachedPropertyValues) { | ||
if (property.id() == propertyID) | ||
return property.value(); | ||
} | ||
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return nullptr; | ||
} | ||
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} |
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