67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
// © 2017 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
|
|
#include "unicode/utypes.h"
|
|
|
|
#if !UCONFIG_NO_FORMATTING
|
|
#ifndef __NUMBER_SCIENTIFIC_H__
|
|
#define __NUMBER_SCIENTIFIC_H__
|
|
|
|
#include "number_types.h"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
namespace number::impl {
|
|
|
|
// Forward-declare
|
|
class ScientificHandler;
|
|
|
|
class U_I18N_API ScientificModifier : public UMemory, public Modifier {
|
|
public:
|
|
ScientificModifier();
|
|
|
|
void set(int32_t exponent, const ScientificHandler *handler);
|
|
|
|
int32_t apply(FormattedStringBuilder &output, int32_t leftIndex, int32_t rightIndex,
|
|
UErrorCode &status) const override;
|
|
|
|
int32_t getPrefixLength() const override;
|
|
|
|
int32_t getCodePointCount() const override;
|
|
|
|
bool isStrong() const override;
|
|
|
|
bool containsField(Field field) const override;
|
|
|
|
void getParameters(Parameters& output) const override;
|
|
|
|
bool strictEquals(const Modifier& other) const override;
|
|
|
|
private:
|
|
int32_t fExponent;
|
|
const ScientificHandler *fHandler;
|
|
};
|
|
|
|
class ScientificHandler : public UMemory, public MicroPropsGenerator, public MultiplierProducer {
|
|
public:
|
|
ScientificHandler(const Notation *notation, const DecimalFormatSymbols *symbols,
|
|
const MicroPropsGenerator *parent);
|
|
|
|
void
|
|
processQuantity(DecimalQuantity &quantity, MicroProps µs, UErrorCode &status) const override;
|
|
|
|
int32_t getMultiplier(int32_t magnitude) const override;
|
|
|
|
private:
|
|
const Notation::ScientificSettings fSettings;
|
|
const DecimalFormatSymbols *fSymbols;
|
|
const MicroPropsGenerator *fParent;
|
|
|
|
friend class ScientificModifier;
|
|
};
|
|
|
|
} // namespace number::impl
|
|
U_NAMESPACE_END
|
|
|
|
#endif //__NUMBER_SCIENTIFIC_H__
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|