Source/WebCore/css/DeprecatedCSSOMPrimitiveValue.cpp

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#include "config.h"
#include "DeprecatedCSSOMPrimitiveValue.h"

#include "CSSColorValue.h"
#include "CSSCounterValue.h"
#include "CSSRectValue.h"
#include "CSSSerializationContext.h"
#include "CSSURLValue.h"
#include "DeprecatedCSSOMCounter.h"
#include "DeprecatedCSSOMRGBColor.h"
#include "DeprecatedCSSOMRect.h"

namespace WebCore {

String DeprecatedCSSOMPrimitiveValue::cssText() const
{
    return protectedValue()->cssText(CSS::defaultSerializationContext());
}

unsigned short DeprecatedCSSOMPrimitiveValue::primitiveType() const
{
    if (m_value->isCounter())
        return CSS_COUNTER;
    if (m_value->isRect())
        return CSS_RECT;
    if (m_value->isColor())
        return CSS_RGBCOLOR;
    if (m_value->isURL())
        return CSS_URI;

    RefPtr primitiveValue = dynamicDowncast<CSSPrimitiveValue>(m_value.get());
    if (!primitiveValue)
        return CSS_UNKNOWN;

    switch (primitiveValue->primitiveType()) {
    case CSSUnitType::CSS_ATTR:                         return CSS_ATTR;
    case CSSUnitType::CSS_CM:                           return CSS_CM;
    case CSSUnitType::CSS_DEG:                          return CSS_DEG;
    case CSSUnitType::CSS_DIMENSION:                    return CSS_DIMENSION;
    case CSSUnitType::CSS_EM:                           return CSS_EMS;
    case CSSUnitType::CSS_EX:                           return CSS_EXS;
    case CSSUnitType::CSS_FONT_FAMILY:                  return CSS_STRING;
    case CSSUnitType::CSS_GRAD:                         return CSS_GRAD;
    case CSSUnitType::CSS_HZ:                           return CSS_HZ;
    case CSSUnitType::CSS_IDENT:                        return CSS_IDENT;
    case CSSUnitType::CSS_INTEGER:                      return CSS_NUMBER;
    case CSSUnitType::CustomIdent:                      return CSS_IDENT;
    case CSSUnitType::CSS_IN:                           return CSS_IN;
    case CSSUnitType::CSS_KHZ:                          return CSS_KHZ;
    case CSSUnitType::CSS_MM:                           return CSS_MM;
    case CSSUnitType::CSS_MS:                           return CSS_MS;
    case CSSUnitType::CSS_NUMBER:                       return CSS_NUMBER;
    case CSSUnitType::CSS_PC:                           return CSS_PC;
    case CSSUnitType::CSS_PERCENTAGE:                   return CSS_PERCENTAGE;
    case CSSUnitType::CSS_PROPERTY_ID:                  return CSS_IDENT;
    case CSSUnitType::CSS_PT:                           return CSS_PT;
    case CSSUnitType::CSS_PX:                           return CSS_PX;
    case CSSUnitType::CSS_RAD:                          return CSS_RAD;
    case CSSUnitType::CSS_S:                            return CSS_S;
    case CSSUnitType::CSS_STRING:                       return CSS_STRING;
    case CSSUnitType::CSS_VALUE_ID:                     return CSS_IDENT;

    // All other, including newer types, should return UNKNOWN.
    default:                                            return CSS_UNKNOWN;
    }
}

ExceptionOr<float> DeprecatedCSSOMPrimitiveValue::getFloatValue(unsigned short unitType) const
{
    auto numericType = [&]() -> std::optional<CSSUnitType> {
        switch (unitType) {
        case CSS_CM:            return CSSUnitType::CSS_CM;
        case CSS_DEG:           return CSSUnitType::CSS_DEG;
        case CSS_DIMENSION:     return CSSUnitType::CSS_DIMENSION;
        case CSS_EMS:           return CSSUnitType::CSS_EM;
        case CSS_EXS:           return CSSUnitType::CSS_EX;
        case CSS_GRAD:          return CSSUnitType::CSS_GRAD;
        case CSS_HZ:            return CSSUnitType::CSS_HZ;
        case CSS_IN:            return CSSUnitType::CSS_IN;
        case CSS_KHZ:           return CSSUnitType::CSS_KHZ;
        case CSS_MM:            return CSSUnitType::CSS_MM;
        case CSS_MS:            return CSSUnitType::CSS_MS;
        case CSS_NUMBER:        return CSSUnitType::CSS_NUMBER;
        case CSS_PC:            return CSSUnitType::CSS_PC;
        case CSS_PERCENTAGE:    return CSSUnitType::CSS_PERCENTAGE;
        case CSS_PT:            return CSSUnitType::CSS_PT;
        case CSS_PX:            return CSSUnitType::CSS_PX;
        case CSS_RAD:           return CSSUnitType::CSS_RAD;
        case CSS_S:             return CSSUnitType::CSS_S;
        default:                return std::nullopt;
        }
    }();

    RefPtr primitiveValue = dynamicDowncast<CSSPrimitiveValue>(m_value.get());
    if (!numericType || !primitiveValue)
        return Exception { ExceptionCode::InvalidAccessError };
    return primitiveValue->getFloatValueDeprecated(*numericType);
}

ExceptionOr<String> DeprecatedCSSOMPrimitiveValue::getStringValue() const
{
    switch (primitiveType()) {
    case CSS_ATTR:      return downcast<CSSPrimitiveValue>(m_value.get()).stringValue();
    case CSS_IDENT:     return downcast<CSSPrimitiveValue>(m_value.get()).stringValue();
    case CSS_STRING:    return downcast<CSSPrimitiveValue>(m_value.get()).stringValue();
    case CSS_URI:       return downcast<CSSURLValue>(m_value.get()).stringValue();

    // All other, including newer types, should raise an exception.
    default:            return Exception { ExceptionCode::InvalidAccessError };
    }
}

ExceptionOr<Ref<DeprecatedCSSOMCounter>> DeprecatedCSSOMPrimitiveValue::getCounterValue() const
{
    if (RefPtr value = dynamicDowncast<CSSCounterValue>(m_value.get()))
        return DeprecatedCSSOMCounter::create(value->identifier(), value->separator(), value->counterStyleCSSText());
    return Exception { ExceptionCode::InvalidAccessError };
}
    
ExceptionOr<Ref<DeprecatedCSSOMRect>> DeprecatedCSSOMPrimitiveValue::getRectValue() const
{
    if (RefPtr rectValue = dynamicDowncast<CSSRectValue>(m_value.get()))
        return DeprecatedCSSOMRect::create(rectValue->rect(), m_owner);
    return Exception { ExceptionCode::InvalidAccessError };
}

ExceptionOr<Ref<DeprecatedCSSOMRGBColor>> DeprecatedCSSOMPrimitiveValue::getRGBColorValue() const
{
    if (primitiveType() != CSS_RGBCOLOR)
        return Exception { ExceptionCode::InvalidAccessError };
    return DeprecatedCSSOMRGBColor::create(m_owner, downcast<CSSColorValue>(m_value.get()).color().absoluteColor());
}

}