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/*
* Copyright (C) 2015 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.
*/
#include "config.h"
#include "FontVariantBuilder.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueList.h"
#include "CSSValuePool.h"
#include "TextFlags.h"
namespace WebCore {
FontVariantLigaturesValues extractFontVariantLigatures(const CSSValue& value)
{
FontVariantLigatures common = FontVariantLigatures::Normal;
FontVariantLigatures discretionary = FontVariantLigatures::Normal;
FontVariantLigatures historical = FontVariantLigatures::Normal;
FontVariantLigatures contextualAlternates = FontVariantLigatures::Normal;
if (is<CSSValueList>(value)) {
for (auto& item : downcast<CSSValueList>(value)) {
switch (downcast<CSSPrimitiveValue>(item.get()).valueID()) {
case CSSValueNoCommonLigatures:
common = FontVariantLigatures::No;
break;
case CSSValueCommonLigatures:
common = FontVariantLigatures::Yes;
break;
case CSSValueNoDiscretionaryLigatures:
discretionary = FontVariantLigatures::No;
break;
case CSSValueDiscretionaryLigatures:
discretionary = FontVariantLigatures::Yes;
break;
case CSSValueNoHistoricalLigatures:
historical = FontVariantLigatures::No;
break;
case CSSValueHistoricalLigatures:
historical = FontVariantLigatures::Yes;
break;
case CSSValueContextual:
contextualAlternates = FontVariantLigatures::Yes;
break;
case CSSValueNoContextual:
contextualAlternates = FontVariantLigatures::No;
break;
default:
ASSERT_NOT_REACHED();
break;
}
}
} else if (is<CSSPrimitiveValue>(value)) {
switch (downcast<CSSPrimitiveValue>(value).valueID()) {
case CSSValueNormal:
break;
case CSSValueNone:
common = FontVariantLigatures::No;
discretionary = FontVariantLigatures::No;
historical = FontVariantLigatures::No;
contextualAlternates = FontVariantLigatures::No;
break;
default:
ASSERT_NOT_REACHED();
break;
}
}
return FontVariantLigaturesValues(common, discretionary, historical, contextualAlternates);
}
FontVariantNumericValues extractFontVariantNumeric(const CSSValue& value)
{
FontVariantNumericFigure figure = FontVariantNumericFigure::Normal;
FontVariantNumericSpacing spacing = FontVariantNumericSpacing::Normal;
FontVariantNumericFraction fraction = FontVariantNumericFraction::Normal;
FontVariantNumericOrdinal ordinal = FontVariantNumericOrdinal::Normal;
FontVariantNumericSlashedZero slashedZero = FontVariantNumericSlashedZero::Normal;
if (is<CSSValueList>(value)) {
for (auto& item : downcast<CSSValueList>(value)) {
switch (downcast<CSSPrimitiveValue>(item.get()).valueID()) {
case CSSValueLiningNums:
figure = FontVariantNumericFigure::LiningNumbers;
break;
case CSSValueOldstyleNums:
figure = FontVariantNumericFigure::OldStyleNumbers;
break;
case CSSValueProportionalNums:
spacing = FontVariantNumericSpacing::ProportionalNumbers;
break;
case CSSValueTabularNums:
spacing = FontVariantNumericSpacing::TabularNumbers;
break;
case CSSValueDiagonalFractions:
fraction = FontVariantNumericFraction::DiagonalFractions;
break;
case CSSValueStackedFractions:
fraction = FontVariantNumericFraction::StackedFractions;
break;
case CSSValueOrdinal:
ordinal = FontVariantNumericOrdinal::Yes;
break;
case CSSValueSlashedZero:
slashedZero = FontVariantNumericSlashedZero::Yes;
break;
default:
ASSERT_NOT_REACHED();
break;
}
}
} else if (is<CSSPrimitiveValue>(value))
ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNormal);
return FontVariantNumericValues(figure, spacing, fraction, ordinal, slashedZero);
}
FontVariantEastAsianValues extractFontVariantEastAsian(const CSSValue& value)
{
FontVariantEastAsianVariant variant = FontVariantEastAsianVariant::Normal;
FontVariantEastAsianWidth width = FontVariantEastAsianWidth::Normal;
FontVariantEastAsianRuby ruby = FontVariantEastAsianRuby::Normal;
if (is<CSSValueList>(value)) {
for (auto& item : downcast<CSSValueList>(value)) {
switch (downcast<CSSPrimitiveValue>(item.get()).valueID()) {
case CSSValueJis78:
variant = FontVariantEastAsianVariant::Jis78;
break;
case CSSValueJis83:
variant = FontVariantEastAsianVariant::Jis83;
break;
case CSSValueJis90:
variant = FontVariantEastAsianVariant::Jis90;
break;
case CSSValueJis04:
variant = FontVariantEastAsianVariant::Jis04;
break;
case CSSValueSimplified:
variant = FontVariantEastAsianVariant::Simplified;
break;
case CSSValueTraditional:
variant = FontVariantEastAsianVariant::Traditional;
break;
case CSSValueFullWidth:
width = FontVariantEastAsianWidth::Full;
break;
case CSSValueProportionalWidth:
width = FontVariantEastAsianWidth::Proportional;
break;
case CSSValueRuby:
ruby = FontVariantEastAsianRuby::Yes;
break;
default:
ASSERT_NOT_REACHED();
break;
}
}
} else if (is<CSSPrimitiveValue>(value))
ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNormal);
return FontVariantEastAsianValues(variant, width, ruby);
}
Ref<CSSValue> computeFontVariant(const FontVariantSettings& variantSettings)
{
if (variantSettings.isAllNormal())
return CSSValuePool::singleton().createIdentifierValue(CSSValueNormal);
auto list = CSSValueList::createSpaceSeparated();
switch (variantSettings.commonLigatures) {
case FontVariantLigatures::Normal:
break;
case FontVariantLigatures::Yes:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueCommonLigatures));
break;
case FontVariantLigatures::No:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueNoCommonLigatures));
break;
}
switch (variantSettings.discretionaryLigatures) {
case FontVariantLigatures::Normal:
break;
case FontVariantLigatures::Yes:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueDiscretionaryLigatures));
break;
case FontVariantLigatures::No:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueNoDiscretionaryLigatures));
break;
}
switch (variantSettings.historicalLigatures) {
case FontVariantLigatures::Normal:
break;
case FontVariantLigatures::Yes:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueHistoricalLigatures));
break;
case FontVariantLigatures::No:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueNoHistoricalLigatures));
break;
}
switch (variantSettings.contextualAlternates) {
case FontVariantLigatures::Normal:
break;
case FontVariantLigatures::Yes:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueContextual));
break;
case FontVariantLigatures::No:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueNoContextual));
break;
}
switch (variantSettings.position) {
case FontVariantPosition::Normal:
break;
case FontVariantPosition::Subscript:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueSub));
break;
case FontVariantPosition::Superscript:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueSuper));
break;
}
switch (variantSettings.caps) {
case FontVariantCaps::Normal:
break;
case FontVariantCaps::Small:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueSmallCaps));
break;
case FontVariantCaps::AllSmall:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueAllSmallCaps));
break;
case FontVariantCaps::Petite:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValuePetiteCaps));
break;
case FontVariantCaps::AllPetite:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueAllPetiteCaps));
break;
case FontVariantCaps::Unicase:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueUnicase));
break;
case FontVariantCaps::Titling:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueTitlingCaps));
break;
}
switch (variantSettings.numericFigure) {
case FontVariantNumericFigure::Normal:
break;
case FontVariantNumericFigure::LiningNumbers:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueLiningNums));
break;
case FontVariantNumericFigure::OldStyleNumbers:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueOldstyleNums));
break;
}
switch (variantSettings.numericSpacing) {
case FontVariantNumericSpacing::Normal:
break;
case FontVariantNumericSpacing::ProportionalNumbers:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueProportionalNums));
break;
case FontVariantNumericSpacing::TabularNumbers:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueTabularNums));
break;
}
switch (variantSettings.numericFraction) {
case FontVariantNumericFraction::Normal:
break;
case FontVariantNumericFraction::DiagonalFractions:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueDiagonalFractions));
break;
case FontVariantNumericFraction::StackedFractions:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueStackedFractions));
break;
}
switch (variantSettings.numericOrdinal) {
case FontVariantNumericOrdinal::Normal:
break;
case FontVariantNumericOrdinal::Yes:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueOrdinal));
break;
}
switch (variantSettings.numericSlashedZero) {
case FontVariantNumericSlashedZero::Normal:
break;
case FontVariantNumericSlashedZero::Yes:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueSlashedZero));
break;
}
switch (variantSettings.alternates) {
case FontVariantAlternates::Normal:
break;
case FontVariantAlternates::HistoricalForms:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueHistoricalForms));
break;
}
switch (variantSettings.eastAsianVariant) {
case FontVariantEastAsianVariant::Normal:
break;
case FontVariantEastAsianVariant::Jis78:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueJis78));
break;
case FontVariantEastAsianVariant::Jis83:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueJis83));
break;
case FontVariantEastAsianVariant::Jis90:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueJis90));
break;
case FontVariantEastAsianVariant::Jis04:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueJis04));
break;
case FontVariantEastAsianVariant::Simplified:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueSimplified));
break;
case FontVariantEastAsianVariant::Traditional:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueTraditional));
break;
}
switch (variantSettings.eastAsianWidth) {
case FontVariantEastAsianWidth::Normal:
break;
case FontVariantEastAsianWidth::Full:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueFullWidth));
break;
case FontVariantEastAsianWidth::Proportional:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueProportionalWidth));
break;
}
switch (variantSettings.eastAsianRuby) {
case FontVariantEastAsianRuby::Normal:
break;
case FontVariantEastAsianRuby::Yes:
list.get().append(CSSValuePool::singleton().createIdentifierValue(CSSValueRuby));
break;
}
return WTFMove(list);
}
}