projects / apple / icu.git / blame
| Commit | Line | Data |
|---|---|---|
| 0f5d89e8 A |
1 | // © 2018 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 | |
| 7 | #ifndef __SOURCE_NUMBER_MULTIPLIER_H__ | |
| 8 | #define __SOURCE_NUMBER_MULTIPLIER_H__ | |
| 9 | ||
| 10 | #include "numparse_types.h" | |
| 11 | #include "number_decimfmtprops.h" | |
| 12 | ||
| 13 | U_NAMESPACE_BEGIN namespace number { | |
| 14 | namespace impl { | |
| 15 | ||
| 16 | ||
| 17 | /** | |
| 18 | * Wraps a {@link Multiplier} for use in the number formatting pipeline. | |
| 19 | */ | |
| 20 | // Exported as U_I18N_API for tests | |
| 21 | class U_I18N_API MultiplierFormatHandler : public MicroPropsGenerator, public UMemory { | |
| 22 | public: | |
| 23 | MultiplierFormatHandler() = default; // WARNING: Leaves object in an unusable state; call setAndChain() | |
| 24 | ||
| 25 | void setAndChain(const Scale& multiplier, const MicroPropsGenerator* parent); | |
| 26 | ||
| 27 | void processQuantity(DecimalQuantity& quantity, MicroProps& micros, | |
| 28 | UErrorCode& status) const U_OVERRIDE; | |
| 29 | ||
| 30 | private: | |
| 3d1f044b A |
31 | Scale fMultiplier; |
| 32 | const MicroPropsGenerator *fParent; | |
| 0f5d89e8 A |
33 | }; |
| 34 | ||
| 35 | ||
| 36 | /** Gets a Scale from a DecimalFormatProperties. In Java, defined in RoundingUtils.java */ | |
| 37 | static inline Scale scaleFromProperties(const DecimalFormatProperties& properties) { | |
| 38 | int32_t magnitudeMultiplier = properties.magnitudeMultiplier + properties.multiplierScale; | |
| 39 | int32_t arbitraryMultiplier = properties.multiplier; | |
| 40 | if (magnitudeMultiplier != 0 && arbitraryMultiplier != 1) { | |
| 41 | return Scale::byDoubleAndPowerOfTen(arbitraryMultiplier, magnitudeMultiplier); | |
| 42 | } else if (magnitudeMultiplier != 0) { | |
| 43 | return Scale::powerOfTen(magnitudeMultiplier); | |
| 44 | } else if (arbitraryMultiplier != 1) { | |
| 45 | return Scale::byDouble(arbitraryMultiplier); | |
| 46 | } else { | |
| 47 | return Scale::none(); | |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | ||
| 52 | } // namespace impl | |
| 53 | } // namespace number | |
| 54 | U_NAMESPACE_END | |
| 55 | ||
| 56 | #endif //__SOURCE_NUMBER_MULTIPLIER_H__ | |
| 57 | #endif /* #if !UCONFIG_NO_FORMATTING */ |