/* ******************************************************************************** * Copyright (C) 1997-1999, International Business Machines * Corporation and others. All Rights Reserved. ******************************************************************************** * * File CHOICFMT.H * * Modification History: * * Date Name Description * 02/19/97 aliu Converted from java. * 03/20/97 helena Finished first cut of implementation and got rid * of nextDouble/previousDouble and replaced with * boolean array. * 4/10/97 aliu Clean up. Modified to work on AIX. * 8/6/97 nos Removed overloaded constructor, member var 'buffer'. * 07/22/98 stephen Removed operator!= (implemented in Format) ******************************************************************************** */ #ifndef CHOICFMT_H #define CHOICFMT_H #include "unicode/utypes.h" #include "unicode/unistr.h" #include "unicode/numfmt.h" #include "unicode/fieldpos.h" #include "unicode/format.h" class U_I18N_API ChoiceFormat: public NumberFormat { public: ChoiceFormat(const UnicodeString& newPattern, UErrorCode& status); ChoiceFormat(const double* limits, const UnicodeString* formats, int32_t count ); ChoiceFormat(const ChoiceFormat&); const ChoiceFormat& operator=(const ChoiceFormat&); virtual ~ChoiceFormat(); virtual Format* clone(void) const; virtual bool_t operator==(const Format& other) const; virtual void applyPattern(const UnicodeString& pattern, UErrorCode& status); virtual UnicodeString& toPattern(UnicodeString &pattern) const; virtual void adoptChoices(double* limitsToAdopt, UnicodeString* formatsToAdopt, int32_t count ); virtual void setChoices(const double* limitsToCopy, const UnicodeString* formatsToCopy, int32_t count ); virtual const double* getLimits(int32_t& count) const; virtual const UnicodeString* getFormats(int32_t& count) const; virtual UnicodeString& format(double number, UnicodeString& toAppendTo, FieldPosition& pos) const; virtual UnicodeString& format(int32_t number, UnicodeString& toAppendTo, FieldPosition& pos) const; virtual UnicodeString& format(const Formattable* objs, int32_t cnt, UnicodeString& toAppendTo, FieldPosition& pos, UErrorCode& success) const; virtual UnicodeString& format(const Formattable& obj, UnicodeString& toAppendTo, FieldPosition& pos, UErrorCode& status) const; UnicodeString& format(const Formattable& obj, UnicodeString& result, UErrorCode& status) const; UnicodeString& format( double number, UnicodeString& output) const; UnicodeString& format( int32_t number, UnicodeString& output) const; virtual void parse(const UnicodeString& text, Formattable& result, ParsePosition& parsePosition) const; virtual void parse(const UnicodeString& text, Formattable& result, UErrorCode& status) const; public: virtual UClassID getDynamicClassID(void) const; static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; } /* * Finds the least double greater than d (if positive == true), * or the greatest double less than d (if positive == false). * If NaN, returns same value. * <P> * Does not affect floating-point flags, * @stable */ static double nextDouble(double d, bool_t positive); static double nextDouble(double d ); static double previousDouble(double d ); private: // static cache management (thread-safe) static NumberFormat* getNumberFormat(UErrorCode &status); // call this function to 'check out' a numberformat from the cache. static void releaseNumberFormat(NumberFormat *adopt); // call this function to 'return' the number format to the cache. static double stod(const UnicodeString& string, UErrorCode& status); static UnicodeString& dtos(double value, UnicodeString& string, UErrorCode& status); static NumberFormat* fgNumberFormat; static char fgClassID; double* fChoiceLimits; UnicodeString* fChoiceFormats; int32_t fCount; }; inline UClassID ChoiceFormat::getDynamicClassID() const { return ChoiceFormat::getStaticClassID(); } inline double ChoiceFormat::nextDouble( double d ) { return ChoiceFormat::nextDouble( d, TRUE ); } inline double ChoiceFormat::previousDouble( double d ) { return ChoiceFormat::nextDouble( d, FALSE ); } inline UnicodeString& ChoiceFormat::format(const Formattable& obj, UnicodeString& result, UErrorCode& status) const { // Don't use Format:: - use immediate base class only, // in case immediate base modifies behavior later. return NumberFormat::format(obj, result, status); } inline UnicodeString& ChoiceFormat::format(double number, UnicodeString& output) const { return NumberFormat::format(number, output); } inline UnicodeString& ChoiceFormat::format(int32_t number, UnicodeString& output) const { return NumberFormat::format(number, output); } #endif // _CHOICFMT //eof