Source/WebCore/css/calc/CSSCalcCategoryMapping.cpp

/*
 * 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.
 */

#include "config.h"
#include "CSSCalcCategoryMapping.h"

#include "CSSUnits.h"
#include "CalculationCategory.h"

namespace WebCore {

CalculationCategory calcUnitCategory(CSSUnitType type)
{
    switch (type) {
    case CSSUnitType::CSS_NUMBER:
        return CalculationCategory::Number;
    case CSSUnitType::CSS_EMS:
    case CSSUnitType::CSS_EXS:
    case CSSUnitType::CSS_PX:
    case CSSUnitType::CSS_CM:
    case CSSUnitType::CSS_MM:
    case CSSUnitType::CSS_IN:
    case CSSUnitType::CSS_PT:
    case CSSUnitType::CSS_PC:
    case CSSUnitType::CSS_Q:
    case CSSUnitType::CSS_LHS:
    case CSSUnitType::CSS_RLHS:
    case CSSUnitType::CSS_REMS:
    case CSSUnitType::CSS_CHS:
    case CSSUnitType::CSS_IC:
    case CSSUnitType::CSS_VW:
    case CSSUnitType::CSS_VH:
    case CSSUnitType::CSS_VMIN:
    case CSSUnitType::CSS_VMAX:
    case CSSUnitType::CSS_SVW:
    case CSSUnitType::CSS_SVH:
    case CSSUnitType::CSS_SVMIN:
    case CSSUnitType::CSS_SVMAX:
    case CSSUnitType::CSS_LVW:
    case CSSUnitType::CSS_LVH:
    case CSSUnitType::CSS_LVMIN:
    case CSSUnitType::CSS_LVMAX:
    case CSSUnitType::CSS_DVW:
    case CSSUnitType::CSS_DVH:
    case CSSUnitType::CSS_DVMIN:
    case CSSUnitType::CSS_DVMAX:
        return CalculationCategory::Length;
    case CSSUnitType::CSS_PERCENTAGE:
        return CalculationCategory::Percent;
    case CSSUnitType::CSS_DEG:
    case CSSUnitType::CSS_RAD:
    case CSSUnitType::CSS_GRAD:
    case CSSUnitType::CSS_TURN:
        return CalculationCategory::Angle;
    case CSSUnitType::CSS_MS:
    case CSSUnitType::CSS_S:
        return CalculationCategory::Time;
    case CSSUnitType::CSS_HZ:
    case CSSUnitType::CSS_KHZ:
        return CalculationCategory::Frequency;
    default:
        return CalculationCategory::Other;
    }
}

CalculationCategory calculationCategoryForCombination(CSSUnitType type)
{
    switch (type) {
    case CSSUnitType::CSS_NUMBER:
        return CalculationCategory::Number;
    case CSSUnitType::CSS_PX:
    case CSSUnitType::CSS_CM:
    case CSSUnitType::CSS_MM:
    case CSSUnitType::CSS_IN:
    case CSSUnitType::CSS_PT:
    case CSSUnitType::CSS_PC:
    case CSSUnitType::CSS_Q:
        return CalculationCategory::Length;
    case CSSUnitType::CSS_PERCENTAGE:
        return CalculationCategory::Percent;
    case CSSUnitType::CSS_DEG:
    case CSSUnitType::CSS_RAD:
    case CSSUnitType::CSS_GRAD:
    case CSSUnitType::CSS_TURN:
        return CalculationCategory::Angle;
    case CSSUnitType::CSS_MS:
    case CSSUnitType::CSS_S:
        return CalculationCategory::Time;
    case CSSUnitType::CSS_HZ:
    case CSSUnitType::CSS_KHZ:
        return CalculationCategory::Frequency;
    case CSSUnitType::CSS_EMS:
    case CSSUnitType::CSS_EXS:
    case CSSUnitType::CSS_LHS:
    case CSSUnitType::CSS_REMS:
    case CSSUnitType::CSS_RLHS:
    case CSSUnitType::CSS_CHS:
    case CSSUnitType::CSS_IC:
    case CSSUnitType::CSS_VW:
    case CSSUnitType::CSS_VH:
    case CSSUnitType::CSS_VMIN:
    case CSSUnitType::CSS_VMAX:
    case CSSUnitType::CSS_SVW:
    case CSSUnitType::CSS_SVH:
    case CSSUnitType::CSS_SVMIN:
    case CSSUnitType::CSS_SVMAX:
    case CSSUnitType::CSS_LVW:
    case CSSUnitType::CSS_LVH:
    case CSSUnitType::CSS_LVMIN:
    case CSSUnitType::CSS_LVMAX:
    case CSSUnitType::CSS_DVW:
    case CSSUnitType::CSS_DVH:
    case CSSUnitType::CSS_DVMIN:
    case CSSUnitType::CSS_DVMAX:
    default:
        return CalculationCategory::Other;
    }
}

CSSUnitType canonicalUnitTypeForCalculationCategory(CalculationCategory category)
{
    switch (category) {
    case CalculationCategory::Number: return CSSUnitType::CSS_NUMBER;
    case CalculationCategory::Length: return CSSUnitType::CSS_PX;
    case CalculationCategory::Percent: return CSSUnitType::CSS_PERCENTAGE;
    case CalculationCategory::Angle: return CSSUnitType::CSS_DEG;
    case CalculationCategory::Time: return CSSUnitType::CSS_MS;
    case CalculationCategory::Frequency: return CSSUnitType::CSS_HZ;
    case CalculationCategory::Other:
    case CalculationCategory::PercentNumber:
    case CalculationCategory::PercentLength:
        ASSERT_NOT_REACHED();
        break;
    }
    return CSSUnitType::CSS_UNKNOWN;
}

bool hasDoubleValue(CSSUnitType type)
{
    switch (type) {
    case CSSUnitType::CSS_NUMBER:
    case CSSUnitType::CSS_PERCENTAGE:
    case CSSUnitType::CSS_EMS:
    case CSSUnitType::CSS_EXS:
    case CSSUnitType::CSS_CHS:
    case CSSUnitType::CSS_IC:
    case CSSUnitType::CSS_REMS:
    case CSSUnitType::CSS_PX:
    case CSSUnitType::CSS_CM:
    case CSSUnitType::CSS_MM:
    case CSSUnitType::CSS_IN:
    case CSSUnitType::CSS_PT:
    case CSSUnitType::CSS_PC:
    case CSSUnitType::CSS_DEG:
    case CSSUnitType::CSS_RAD:
    case CSSUnitType::CSS_GRAD:
    case CSSUnitType::CSS_TURN:
    case CSSUnitType::CSS_MS:
    case CSSUnitType::CSS_S:
    case CSSUnitType::CSS_HZ:
    case CSSUnitType::CSS_KHZ:
    case CSSUnitType::CSS_DIMENSION:
    case CSSUnitType::CSS_VW:
    case CSSUnitType::CSS_VH:
    case CSSUnitType::CSS_VMIN:
    case CSSUnitType::CSS_VMAX:
    case CSSUnitType::CSS_SVW:
    case CSSUnitType::CSS_SVH:
    case CSSUnitType::CSS_SVMIN:
    case CSSUnitType::CSS_SVMAX:
    case CSSUnitType::CSS_LVW:
    case CSSUnitType::CSS_LVH:
    case CSSUnitType::CSS_LVMIN:
    case CSSUnitType::CSS_LVMAX:
    case CSSUnitType::CSS_DVW:
    case CSSUnitType::CSS_DVH:
    case CSSUnitType::CSS_DVMIN:
    case CSSUnitType::CSS_DVMAX:
    case CSSUnitType::CSS_DPPX:
    case CSSUnitType::CSS_X:
    case CSSUnitType::CSS_DPI:
    case CSSUnitType::CSS_DPCM:
    case CSSUnitType::CSS_FR:
    case CSSUnitType::CSS_Q:
    case CSSUnitType::CSS_LHS:
    case CSSUnitType::CSS_RLHS:
        return true;
    case CSSUnitType::CSS_UNKNOWN:
    case CSSUnitType::CSS_STRING:
    case CSSUnitType::CSS_FONT_FAMILY:
    case CSSUnitType::CSS_URI:
    case CSSUnitType::CSS_IDENT:
    case CSSUnitType::CustomIdent:
    case CSSUnitType::CSS_ATTR:
    case CSSUnitType::CSS_COUNTER:
    case CSSUnitType::CSS_RECT:
    case CSSUnitType::CSS_RGBCOLOR:
    case CSSUnitType::CSS_PAIR:
    case CSSUnitType::CSS_UNICODE_RANGE:
    case CSSUnitType::CSS_COUNTER_NAME:
    case CSSUnitType::CSS_SHAPE:
    case CSSUnitType::CSS_QUAD:
    case CSSUnitType::CSS_QUIRKY_EMS:
    case CSSUnitType::CSS_CALC:
    case CSSUnitType::CSS_CALC_PERCENTAGE_WITH_NUMBER:
    case CSSUnitType::CSS_CALC_PERCENTAGE_WITH_LENGTH:
    case CSSUnitType::CSS_PROPERTY_ID:
    case CSSUnitType::CSS_VALUE_ID:
        return false;
    };
    ASSERT_NOT_REACHED();
    return false;
}

}