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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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. ``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
* 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.
*/
#include "config.h"
#include "StyleFontFeatureSettings.h"
#include "CSSFontFeatureValue.h"
#include "CSSPropertyParserConsumer+Font.h"
#include "StyleBuilderChecking.h"
#include "StyleFontOpentypeTag.h"
#include "StylePrimitiveNumericTypes+CSSValueConversion.h"
#include "StylePrimitiveNumericTypes+CSSValueCreation.h"
#include "StylePrimitiveNumericTypes+Serialization.h"
namespace WebCore {
namespace Style {
// MARK: - Conversion
auto CSSValueConversion<FontFeatureSettings>::operator()(BuilderState& state, const CSSValue& value) -> FontFeatureSettings
{
if (RefPtr primitiveValue = dynamicDowncast<CSSPrimitiveValue>(value)) {
switch (auto valueID = primitiveValue->valueID(); valueID) {
case CSSValueNormal:
return CSS::Keyword::Normal { };
default:
if (CSSPropertyParserHelpers::isSystemFontShorthand(valueID))
return CSS::Keyword::Normal { };
state.setCurrentPropertyInvalidAtComputedValueTime();
return CSS::Keyword::Normal { };
}
}
auto list = requiredListDowncast<CSSValueList, CSSFontFeatureValue>(state, value);
if (!list)
return CSS::Keyword::Normal { };
WebCore::FontFeatureSettings platformSettings;
for (Ref setting : *list) {
platformSettings.insert({
setting->tag(),
toStyleFromCSSValue<FontFeatureSettings::Value>(state, setting->value()).value
});
}
return { WTFMove(platformSettings) };
}
Ref<CSSValue> CSSValueCreation<FontFeatureSettings>::operator()(CSSValuePool& pool, const RenderStyle& style, const FontFeatureSettings& value)
{
if (!value.platform().size())
return createCSSValue(pool, style, CSS::Keyword::Normal { });
CSSValueListBuilder list;
for (auto& setting : value.platform()) {
list.append(CSSFontFeatureValue::create(
setting.tag(),
createCSSValue(pool, style, FontFeatureSettings::Value { setting.value() })
));
}
return CSSValueList::createCommaSeparated(WTFMove(list));
}
// MARK: - Serialization
void Serialize<FontFeatureSettings>::operator()(StringBuilder& builder, const CSS::SerializationContext& context, const RenderStyle& style, const FontFeatureSettings& value)
{
if (value.platform().isEmpty()) {
serializationForCSS(builder, context, style, CSS::Keyword::Normal { });
return;
}
builder.append(interleave(value.platform(), [&](auto& builder, const auto& setting) {
serializationForCSS(builder, context, style, FontOpentypeTag { setting.tag() });
if (setting.value() != 1.0) {
builder.append(' ');
serializationForCSS(builder, context, style, FontFeatureSettings::Value { setting.value() });
}
}, ", "_s));
}
// MARK: - Logging
TextStream& operator<<(TextStream& ts, const FontFeatureSettings& value)
{
return ts << value.platform();
}
} // namespace Style
} // namespace WebCore
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