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00025 #ifndef CALENDAR_H
00026 #define CALENDAR_H
00027
00028 #include "unicode/utypes.h"
00029
00034 #if !UCONFIG_NO_FORMATTING
00035
00036 #include "unicode/uobject.h"
00037 #include "unicode/locid.h"
00038 #include "unicode/timezone.h"
00039 #include "unicode/ucal.h"
00040 #include "unicode/umisc.h"
00041
00042 U_NAMESPACE_BEGIN
00043
00044 class ICUServiceFactory;
00045
00049 typedef int32_t UFieldResolutionTable[12][8];
00050
00165 class U_I18N_API Calendar : public UObject {
00166 public:
00167
00174 enum EDateFields {
00175 #ifndef U_HIDE_DEPRECATED_API
00176
00177
00178
00179 #ifdef ERA
00180 #undef ERA
00181 #endif
00182 ERA,
00183 YEAR,
00184 MONTH,
00185 WEEK_OF_YEAR,
00186 WEEK_OF_MONTH,
00187 DATE,
00188 DAY_OF_YEAR,
00189 DAY_OF_WEEK,
00190 DAY_OF_WEEK_IN_MONTH,
00191 AM_PM,
00192 HOUR,
00193 HOUR_OF_DAY,
00194 MINUTE,
00195 SECOND,
00196 MILLISECOND,
00197 ZONE_OFFSET,
00198 DST_OFFSET,
00199 YEAR_WOY,
00200 DOW_LOCAL,
00201
00202 EXTENDED_YEAR,
00203 JULIAN_DAY,
00204 MILLISECONDS_IN_DAY,
00205 IS_LEAP_MONTH,
00206
00207 FIELD_COUNT = UCAL_FIELD_COUNT
00208 #endif
00209 };
00210
00217 enum EDaysOfWeek {
00218 #ifndef U_HIDE_DEPRECATED_API
00219 SUNDAY = 1,
00220 MONDAY,
00221 TUESDAY,
00222 WEDNESDAY,
00223 THURSDAY,
00224 FRIDAY,
00225 SATURDAY
00226 #endif
00227 };
00228
00233 enum EMonths {
00234 #ifndef U_HIDE_DEPRECATED_API
00235 JANUARY,
00236 FEBRUARY,
00237 MARCH,
00238 APRIL,
00239 MAY,
00240 JUNE,
00241 JULY,
00242 AUGUST,
00243 SEPTEMBER,
00244 OCTOBER,
00245 NOVEMBER,
00246 DECEMBER,
00247 UNDECIMBER
00248 #endif
00249 };
00250
00255 enum EAmpm {
00256 #ifndef U_HIDE_DEPRECATED_API
00257 AM,
00258 PM
00259 #endif
00260 };
00261
00266 virtual ~Calendar();
00267
00274 virtual Calendar* clone(void) const = 0;
00275
00287 static Calendar* U_EXPORT2 createInstance(UErrorCode& success);
00288
00301 static Calendar* U_EXPORT2 createInstance(TimeZone* zoneToAdopt, UErrorCode& success);
00302
00314 static Calendar* U_EXPORT2 createInstance(const TimeZone& zone, UErrorCode& success);
00315
00326 static Calendar* U_EXPORT2 createInstance(const Locale& aLocale, UErrorCode& success);
00327
00341 static Calendar* U_EXPORT2 createInstance(TimeZone* zoneToAdopt, const Locale& aLocale, UErrorCode& success);
00342
00355 static Calendar* U_EXPORT2 createInstance(const TimeZone& zoneToAdopt, const Locale& aLocale, UErrorCode& success);
00356
00366 static const Locale* U_EXPORT2 getAvailableLocales(int32_t& count);
00367
00368
00385 static StringEnumeration* U_EXPORT2 getKeywordValuesForLocale(const char* key,
00386 const Locale& locale, UBool commonlyUsed, UErrorCode& status);
00387
00395 static UDate U_EXPORT2 getNow(void);
00396
00410 inline UDate getTime(UErrorCode& status) const { return getTimeInMillis(status); }
00411
00422 inline void setTime(UDate date, UErrorCode& status) { setTimeInMillis(date, status); }
00423
00435 virtual UBool operator==(const Calendar& that) const;
00436
00445 UBool operator!=(const Calendar& that) const {return !operator==(that);}
00446
00457 virtual UBool isEquivalentTo(const Calendar& other) const;
00458
00473 UBool equals(const Calendar& when, UErrorCode& status) const;
00474
00488 UBool before(const Calendar& when, UErrorCode& status) const;
00489
00503 UBool after(const Calendar& when, UErrorCode& status) const;
00504
00522 virtual void add(EDateFields field, int32_t amount, UErrorCode& status);
00523
00541 virtual void add(UCalendarDateFields field, int32_t amount, UErrorCode& status);
00542
00566 inline void roll(EDateFields field, UBool up, UErrorCode& status);
00567
00591 inline void roll(UCalendarDateFields field, UBool up, UErrorCode& status);
00592
00615 virtual void roll(EDateFields field, int32_t amount, UErrorCode& status);
00616
00639 virtual void roll(UCalendarDateFields field, int32_t amount, UErrorCode& status);
00640
00696 virtual int32_t fieldDifference(UDate when, EDateFields field, UErrorCode& status);
00697
00753 virtual int32_t fieldDifference(UDate when, UCalendarDateFields field, UErrorCode& status);
00754
00763 void adoptTimeZone(TimeZone* value);
00764
00772 void setTimeZone(const TimeZone& zone);
00773
00782 const TimeZone& getTimeZone(void) const;
00783
00792 TimeZone* orphanTimeZone(void);
00793
00802 virtual UBool inDaylightTime(UErrorCode& status) const = 0;
00803
00816 void setLenient(UBool lenient);
00817
00824 UBool isLenient(void) const;
00825
00832 void setFirstDayOfWeek(EDaysOfWeek value);
00833
00840 void setFirstDayOfWeek(UCalendarDaysOfWeek value);
00841
00848 EDaysOfWeek getFirstDayOfWeek(void) const;
00849
00857 UCalendarDaysOfWeek getFirstDayOfWeek(UErrorCode &status) const;
00858
00868 void setMinimalDaysInFirstWeek(uint8_t value);
00869
00879 uint8_t getMinimalDaysInFirstWeek(void) const;
00880
00889 virtual int32_t getMinimum(EDateFields field) const;
00890
00899 virtual int32_t getMinimum(UCalendarDateFields field) const;
00900
00909 virtual int32_t getMaximum(EDateFields field) const;
00910
00919 virtual int32_t getMaximum(UCalendarDateFields field) const;
00920
00929 virtual int32_t getGreatestMinimum(EDateFields field) const;
00930
00939 virtual int32_t getGreatestMinimum(UCalendarDateFields field) const;
00940
00949 virtual int32_t getLeastMaximum(EDateFields field) const;
00950
00959 virtual int32_t getLeastMaximum(UCalendarDateFields field) const;
00960
00975 int32_t getActualMinimum(EDateFields field, UErrorCode& status) const;
00976
00991 virtual int32_t getActualMinimum(UCalendarDateFields field, UErrorCode& status) const;
00992
01009 int32_t getActualMaximum(EDateFields field, UErrorCode& status) const;
01010
01027 virtual int32_t getActualMaximum(UCalendarDateFields field, UErrorCode& status) const;
01028
01042 int32_t get(EDateFields field, UErrorCode& status) const;
01043
01057 int32_t get(UCalendarDateFields field, UErrorCode& status) const;
01058
01067 UBool isSet(EDateFields field) const;
01068
01077 UBool isSet(UCalendarDateFields field) const;
01078
01086 void set(EDateFields field, int32_t value);
01087
01095 void set(UCalendarDateFields field, int32_t value);
01096
01107 void set(int32_t year, int32_t month, int32_t date);
01108
01121 void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute);
01122
01136 void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, int32_t second);
01137
01144 void clear(void);
01145
01154 void clear(EDateFields field);
01155
01164 void clear(UCalendarDateFields field);
01165
01181 virtual UClassID getDynamicClassID(void) const = 0;
01182
01191 virtual const char * getType() const = 0;
01192
01193 protected:
01194
01203 Calendar(UErrorCode& success);
01204
01211 Calendar(const Calendar& source);
01212
01219 Calendar& operator=(const Calendar& right);
01220
01231 Calendar(TimeZone* zone, const Locale& aLocale, UErrorCode& success);
01232
01242 Calendar(const TimeZone& zone, const Locale& aLocale, UErrorCode& success);
01243
01252 virtual void computeTime(UErrorCode& status);
01253
01265 virtual void computeFields(UErrorCode& status);
01266
01276 double getTimeInMillis(UErrorCode& status) const;
01277
01286 void setTimeInMillis( double millis, UErrorCode& status );
01287
01297 void complete(UErrorCode& status);
01298
01307 inline int32_t internalGet(EDateFields field) const {return fFields[field];}
01308
01319 inline int32_t internalGet(UCalendarDateFields field, int32_t defaultValue) const {return fStamp[field]>kUnset ? fFields[field] : defaultValue;}
01320
01329 inline int32_t internalGet(UCalendarDateFields field) const {return fFields[field];}
01330
01340 void internalSet(EDateFields field, int32_t value);
01341
01351 inline void internalSet(UCalendarDateFields field, int32_t value);
01352
01359 virtual void prepareGetActual(UCalendarDateFields field, UBool isMinimum, UErrorCode &status);
01360
01365 enum ELimitType {
01366 UCAL_LIMIT_MINIMUM = 0,
01367 UCAL_LIMIT_GREATEST_MINIMUM,
01368 UCAL_LIMIT_LEAST_MAXIMUM,
01369 UCAL_LIMIT_MAXIMUM,
01370 UCAL_LIMIT_COUNT
01371 };
01372
01394 virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const = 0;
01395
01403 virtual int32_t getLimit(UCalendarDateFields field, ELimitType limitType) const;
01404
01405
01419 virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month,
01420 UBool useMonth) const = 0;
01421
01429 virtual int32_t handleGetMonthLength(int32_t extendedYear, int32_t month) const ;
01430
01438 virtual int32_t handleGetYearLength(int32_t eyear) const;
01439
01440
01449 virtual int32_t handleGetExtendedYear() = 0;
01450
01459 virtual int32_t handleComputeJulianDay(UCalendarDateFields bestField);
01460
01469 virtual int32_t handleGetExtendedYearFromWeekFields(int32_t yearWoy, int32_t woy);
01470
01477 int32_t computeJulianDay();
01478
01486 int32_t computeMillisInDay();
01487
01497 int32_t computeZoneOffset(double millis, int32_t millisInDay, UErrorCode &ec);
01498
01499
01508 int32_t newestStamp(UCalendarDateFields start, UCalendarDateFields end, int32_t bestSoFar) const;
01509
01515 enum {
01517 kResolveSTOP = -1,
01519 kResolveRemap = 32
01520 };
01521
01527 static const UFieldResolutionTable kDatePrecedence[];
01528
01534 static const UFieldResolutionTable kYearPrecedence[];
01535
01541 static const UFieldResolutionTable kDOWPrecedence[];
01542
01570 UCalendarDateFields resolveFields(const UFieldResolutionTable *precedenceTable);
01571
01572
01576 virtual const UFieldResolutionTable* getFieldResolutionTable() const;
01577
01583 UCalendarDateFields newerField(UCalendarDateFields defaultField, UCalendarDateFields alternateField) const;
01584
01585
01586 private:
01595 int32_t getActualHelper(UCalendarDateFields field, int32_t startValue, int32_t endValue, UErrorCode &status) const;
01596
01597
01598 protected:
01603 UBool fIsTimeSet;
01604
01615 UBool fAreFieldsSet;
01616
01622 UBool fAreAllFieldsSet;
01623
01631 UBool fAreFieldsVirtuallySet;
01632
01639 UDate internalGetTime(void) const { return fTime; }
01640
01648 void internalSetTime(UDate time) { fTime = time; }
01649
01654 int32_t fFields[UCAL_FIELD_COUNT];
01655
01660 UBool fIsSet[UCAL_FIELD_COUNT];
01661
01665 enum {
01666 kUnset = 0,
01667 kInternallySet,
01668 kMinimumUserStamp
01669 };
01670
01677 int32_t fStamp[UCAL_FIELD_COUNT];
01678
01703 virtual void handleComputeFields(int32_t julianDay, UErrorCode &status);
01704
01710 int32_t getGregorianYear() const {
01711 return fGregorianYear;
01712 }
01713
01719 int32_t getGregorianMonth() const {
01720 return fGregorianMonth;
01721 }
01722
01728 int32_t getGregorianDayOfYear() const {
01729 return fGregorianDayOfYear;
01730 }
01731
01737 int32_t getGregorianDayOfMonth() const {
01738 return fGregorianDayOfMonth;
01739 }
01740
01747 virtual int32_t getDefaultMonthInYear(int32_t eyear) ;
01748
01749
01757 virtual int32_t getDefaultDayInMonth(int32_t eyear, int32_t month);
01758
01759
01760
01761
01762
01763
01793 virtual void pinField(UCalendarDateFields field, UErrorCode& status);
01794
01838 int32_t weekNumber(int32_t desiredDay, int32_t dayOfPeriod, int32_t dayOfWeek);
01839
01840
01871 inline int32_t weekNumber(int32_t dayOfPeriod, int32_t dayOfWeek);
01872
01877 int32_t getLocalDOW();
01878
01879 private:
01880
01884 int32_t fNextStamp;
01885
01889 UDate fTime;
01890
01894 UBool fLenient;
01895
01900 TimeZone* fZone;
01901
01910 UCalendarDaysOfWeek fFirstDayOfWeek;
01911 uint8_t fMinimalDaysInFirstWeek;
01912
01923 void setWeekCountData(const Locale& desiredLocale, const char *type, UErrorCode& success);
01924
01934 void updateTime(UErrorCode& status);
01935
01941 int32_t fGregorianYear;
01942
01948 int32_t fGregorianMonth;
01949
01955 int32_t fGregorianDayOfYear;
01956
01962 int32_t fGregorianDayOfMonth;
01963
01964
01965
01972 void computeGregorianAndDOWFields(int32_t julianDay, UErrorCode &ec);
01973
01974 protected:
01975
01983 void computeGregorianFields(int32_t julianDay, UErrorCode &ec);
01984
01985 private:
01986
02007 void computeWeekFields(UErrorCode &ec);
02008
02009
02018 void validateFields(UErrorCode &status);
02019
02028 virtual void validateField(UCalendarDateFields field, UErrorCode &status);
02029
02038 void validateField(UCalendarDateFields field, int32_t min, int32_t max, UErrorCode& status);
02039
02040 protected:
02050 static uint8_t julianDayToDayOfWeek(double julian);
02051
02052 private:
02053 char validLocale[ULOC_FULLNAME_CAPACITY];
02054 char actualLocale[ULOC_FULLNAME_CAPACITY];
02055
02056 public:
02057 #if !UCONFIG_NO_SERVICE
02058
02068 static StringEnumeration* getAvailableLocales(void);
02069
02078 static URegistryKey registerFactory(ICUServiceFactory* toAdopt, UErrorCode& status);
02079
02090 static UBool unregister(URegistryKey key, UErrorCode& status);
02091
02096 friend class CalendarFactory;
02097
02102 friend class CalendarService;
02103
02108 friend class DefaultCalendarFactory;
02109 #endif
02110
02115 virtual UBool haveDefaultCentury() const = 0;
02116
02121 virtual UDate defaultCenturyStart() const = 0;
02126 virtual int32_t defaultCenturyStartYear() const = 0;
02127
02134 Locale getLocale(ULocDataLocaleType type, UErrorCode &status) const;
02135
02142 const char* getLocaleID(ULocDataLocaleType type, UErrorCode &status) const;
02143
02144 };
02145
02146
02147
02148 inline Calendar*
02149 Calendar::createInstance(TimeZone* zone, UErrorCode& errorCode)
02150 {
02151
02152 return createInstance(zone, Locale::getDefault(), errorCode);
02153 }
02154
02155
02156
02157 inline void
02158 Calendar::roll(UCalendarDateFields field, UBool up, UErrorCode& status)
02159 {
02160 roll(field, (int32_t)(up ? +1 : -1), status);
02161 }
02162
02163 inline void
02164 Calendar::roll(EDateFields field, UBool up, UErrorCode& status)
02165 {
02166 roll((UCalendarDateFields) field, up, status);
02167 }
02168
02169
02170
02171
02177 inline void
02178 Calendar::internalSet(UCalendarDateFields field, int32_t value)
02179 {
02180 fFields[field] = value;
02181 fStamp[field] = kInternallySet;
02182 fIsSet[field] = TRUE;
02183 }
02184
02185 inline int32_t Calendar::weekNumber(int32_t dayOfPeriod, int32_t dayOfWeek)
02186 {
02187 return weekNumber(dayOfPeriod, dayOfPeriod, dayOfWeek);
02188 }
02189
02190
02191 U_NAMESPACE_END
02192
02193 #endif
02194
02195 #endif // _CALENDAR