1 // © 2017 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 4 #include "unicode/utypes.h" 5 6 #if !UCONFIG_NO_FORMATTING && !UPRV_INCOMPLETE_CPP11_SUPPORT 7 #ifndef __NUMBER_SCIENTIFIC_H__ 8 #define __NUMBER_SCIENTIFIC_H__ 9 10 #include "number_types.h" 11 12 U_NAMESPACE_BEGIN namespace number { 13 namespace impl { 14 15 // Forward-declare 16 class ScientificHandler; 17 18 class U_I18N_API ScientificModifier : public UMemory, public Modifier { 19 public: 20 ScientificModifier(); 21 22 void set(int32_t exponent, const ScientificHandler *handler); 23 24 int32_t apply(NumberStringBuilder &output, int32_t leftIndex, int32_t rightIndex, 25 UErrorCode &status) const U_OVERRIDE; 26 27 int32_t getPrefixLength(UErrorCode &status) const U_OVERRIDE; 28 29 int32_t getCodePointCount(UErrorCode &status) const U_OVERRIDE; 30 31 bool isStrong() const U_OVERRIDE; 32 33 private: 34 int32_t fExponent; 35 const ScientificHandler *fHandler; 36 }; 37 38 class ScientificHandler : public UMemory, public MicroPropsGenerator, public MultiplierProducer { 39 public: 40 ScientificHandler(const Notation *notation, const DecimalFormatSymbols *symbols, 41 const MicroPropsGenerator *parent); 42 43 void 44 processQuantity(DecimalQuantity &quantity, MicroProps µs, UErrorCode &status) const U_OVERRIDE; 45 46 int32_t getMultiplier(int32_t magnitude) const U_OVERRIDE; 47 48 private: 49 const Notation::ScientificSettings& fSettings; 50 const DecimalFormatSymbols *fSymbols; 51 const MicroPropsGenerator *fParent; 52 53 friend class ScientificModifier; 54 }; 55 56 } // namespace impl 57 } // namespace number 58 U_NAMESPACE_END 59 60 #endif //__NUMBER_SCIENTIFIC_H__ 61 62 #endif /* #if !UCONFIG_NO_FORMATTING */ 63