| // © 2020 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_USAGEPREFS_H__ |
| #define __NUMBER_USAGEPREFS_H__ |
| |
| #include "cmemory.h" |
| #include "number_types.h" |
| #include "unicode/locid.h" |
| #include "unicode/measunit.h" |
| #include "unicode/stringpiece.h" |
| #include "unicode/uobject.h" |
| #include "unitsrouter.h" |
| |
| U_NAMESPACE_BEGIN |
| namespace number { |
| namespace impl { |
| |
| using ::icu::units::UnitsRouter; |
| |
| /** |
| * A MicroPropsGenerator which uses UnitsRouter to produce output converted to a |
| * MeasureUnit appropriate for a particular localized usage: see |
| * NumberFormatterSettings::usage(). |
| */ |
| class U_I18N_API UsagePrefsHandler : public MicroPropsGenerator, public UMemory { |
| public: |
| UsagePrefsHandler(const Locale &locale, const MeasureUnit inputUnit, const StringPiece usage, |
| const MicroPropsGenerator *parent, UErrorCode &status); |
| |
| /** |
| * Obtains the appropriate output value, MeasurementUnit and |
| * rounding/precision behaviour from the UnitsRouter. |
| */ |
| void processQuantity(DecimalQuantity &quantity, MicroProps µs, |
| UErrorCode &status) const U_OVERRIDE; |
| |
| /** |
| * Returns the list of possible output units, i.e. the full set of |
| * preferences, for the localized, usage-specific unit preferences. |
| * |
| * The returned pointer should be valid for the lifetime of the |
| * UsagePrefsHandler instance. |
| */ |
| const MaybeStackVector<MeasureUnit> *getOutputUnits() const { |
| return fUnitsRouter.getOutputUnits(); |
| } |
| |
| private: |
| UnitsRouter fUnitsRouter; |
| const MicroPropsGenerator *fParent; |
| }; |
| |
| } // namespace impl |
| } // namespace number |
| U_NAMESPACE_END |
| |
| #endif // __NUMBER_USAGEPREFS_H__ |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |