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00025 #ifndef CALENDAR_H
00026 #define CALENDAR_H
00027
00028 #include "unicode/utypes.h"
00029
00030 #if !UCONFIG_NO_FORMATTING
00031
00032 #include "unicode/uobject.h"
00033 #include "unicode/locid.h"
00034 #include "unicode/timezone.h"
00035 #include "unicode/ucal.h"
00036
00037 U_NAMESPACE_BEGIN
00038
00039 class ICUServiceFactory;
00040
00044 typedef const void* URegistryKey;
00045
00049 typedef int32_t UFieldResolutionTable[12][8];
00050
00165 class U_I18N_API Calendar : public UObject {
00166 public:
00167
00174 enum EDateFields {
00175 ERA,
00176 YEAR,
00177 MONTH,
00178 WEEK_OF_YEAR,
00179 WEEK_OF_MONTH,
00180 DATE,
00181 DAY_OF_YEAR,
00182 DAY_OF_WEEK,
00183 DAY_OF_WEEK_IN_MONTH,
00184 AM_PM,
00185 HOUR,
00186 HOUR_OF_DAY,
00187 MINUTE,
00188 SECOND,
00189 MILLISECOND,
00190 ZONE_OFFSET,
00191 DST_OFFSET,
00192 YEAR_WOY,
00193 DOW_LOCAL,
00194
00195 FIELD_COUNT = UCAL_FIELD_COUNT
00196 };
00197
00204 enum EDaysOfWeek {
00205 SUNDAY = 1,
00206 MONDAY,
00207 TUESDAY,
00208 WEDNESDAY,
00209 THURSDAY,
00210 FRIDAY,
00211 SATURDAY
00212 };
00213
00218 enum EMonths {
00219 JANUARY,
00220 FEBRUARY,
00221 MARCH,
00222 APRIL,
00223 MAY,
00224 JUNE,
00225 JULY,
00226 AUGUST,
00227 SEPTEMBER,
00228 OCTOBER,
00229 NOVEMBER,
00230 DECEMBER,
00231 UNDECIMBER
00232 };
00233
00238 enum EAmpm {
00239 AM,
00240 PM
00241 };
00242
00247 virtual ~Calendar();
00248
00255 virtual Calendar* clone(void) const = 0;
00256
00268 static Calendar* createInstance(UErrorCode& success);
00269
00282 static Calendar* createInstance(TimeZone* zoneToAdopt, UErrorCode& success);
00283
00295 static Calendar* createInstance(const TimeZone& zone, UErrorCode& success);
00296
00307 static Calendar* createInstance(const Locale& aLocale, UErrorCode& success);
00308
00322 static Calendar* createInstance(TimeZone* zoneToAdopt, const Locale& aLocale, UErrorCode& success);
00323
00336 static Calendar* createInstance(const TimeZone& zoneToAdopt, const Locale& aLocale, UErrorCode& success);
00337
00347 static const Locale* getAvailableLocales(int32_t& count);
00348
00356 static UDate getNow(void);
00357
00371 inline UDate getTime(UErrorCode& status) const { return getTimeInMillis(status); }
00372
00383 inline void setTime(UDate date, UErrorCode& status) { setTimeInMillis(date, status); }
00384
00396 virtual UBool operator==(const Calendar& that) const;
00397
00406 UBool operator!=(const Calendar& that) const {return !operator==(that);}
00407
00418 virtual UBool isEquivalentTo(const Calendar& other) const;
00419
00434 UBool equals(const Calendar& when, UErrorCode& status) const;
00435
00449 UBool before(const Calendar& when, UErrorCode& status) const;
00450
00464 UBool after(const Calendar& when, UErrorCode& status) const;
00465
00483 virtual void add(EDateFields field, int32_t amount, UErrorCode& status);
00484
00502 virtual void add(UCalendarDateFields field, int32_t amount, UErrorCode& status);
00503
00527 inline void roll(EDateFields field, UBool up, UErrorCode& status);
00528
00552 inline void roll(UCalendarDateFields field, UBool up, UErrorCode& status);
00553
00576 virtual void roll(EDateFields field, int32_t amount, UErrorCode& status);
00577
00600 virtual void roll(UCalendarDateFields field, int32_t amount, UErrorCode& status);
00601
00657 virtual int32_t fieldDifference(UDate when, EDateFields field, UErrorCode& status);
00658
00714 virtual int32_t fieldDifference(UDate when, UCalendarDateFields field, UErrorCode& status);
00715
00724 void adoptTimeZone(TimeZone* value);
00725
00733 void setTimeZone(const TimeZone& zone);
00734
00743 const TimeZone& getTimeZone(void) const;
00744
00753 TimeZone* orphanTimeZone(void);
00754
00763 virtual UBool inDaylightTime(UErrorCode& status) const = 0;
00764
00777 void setLenient(UBool lenient);
00778
00785 UBool isLenient(void) const;
00786
00793 void setFirstDayOfWeek(EDaysOfWeek value);
00794
00801 void setFirstDayOfWeek(UCalendarDaysOfWeek value);
00802
00809 EDaysOfWeek getFirstDayOfWeek(void) const;
00810
00818 UCalendarDaysOfWeek getFirstDayOfWeek(UErrorCode &status) const;
00819
00829 void setMinimalDaysInFirstWeek(uint8_t value);
00830
00840 uint8_t getMinimalDaysInFirstWeek(void) const;
00841
00850 virtual int32_t getMinimum(EDateFields field) const;
00851
00860 virtual int32_t getMinimum(UCalendarDateFields field) const;
00861
00870 virtual int32_t getMaximum(EDateFields field) const;
00871
00880 virtual int32_t getMaximum(UCalendarDateFields field) const;
00881
00890 virtual int32_t getGreatestMinimum(EDateFields field) const;
00891
00900 virtual int32_t getGreatestMinimum(UCalendarDateFields field) const;
00901
00910 virtual int32_t getLeastMaximum(EDateFields field) const;
00911
00920 virtual int32_t getLeastMaximum(UCalendarDateFields field) const;
00921
00936 int32_t getActualMinimum(EDateFields field, UErrorCode& status) const;
00937
00952 int32_t getActualMinimum(UCalendarDateFields field, UErrorCode& status) const;
00953
00970 int32_t getActualMaximum(EDateFields field, UErrorCode& status) const;
00971
00988 int32_t getActualMaximum(UCalendarDateFields field, UErrorCode& status) const;
00989
01003 int32_t get(EDateFields field, UErrorCode& status) const;
01004
01018 int32_t get(UCalendarDateFields field, UErrorCode& status) const;
01019
01028 UBool isSet(EDateFields field) const;
01029
01038 UBool isSet(UCalendarDateFields field) const;
01039
01047 void set(EDateFields field, int32_t value);
01048
01056 void set(UCalendarDateFields field, int32_t value);
01057
01068 void set(int32_t year, int32_t month, int32_t date);
01069
01082 void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute);
01083
01097 void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, int32_t second);
01098
01105 void clear(void);
01106
01115 void clear(EDateFields field);
01116
01125 void clear(UCalendarDateFields field);
01126
01142 virtual UClassID getDynamicClassID(void) const = 0;
01143
01152 virtual const char * getType() const = 0;
01153
01154 protected:
01155
01164 Calendar(UErrorCode& success);
01165
01172 Calendar(const Calendar& source);
01173
01180 Calendar& operator=(const Calendar& right);
01181
01192 Calendar(TimeZone* zone, const Locale& aLocale, UErrorCode& success);
01193
01203 Calendar(const TimeZone& zone, const Locale& aLocale, UErrorCode& success);
01204
01213 virtual void computeTime(UErrorCode& status);
01214
01226 virtual void computeFields(UErrorCode& status);
01227
01237 double getTimeInMillis(UErrorCode& status) const;
01238
01247 void setTimeInMillis( double millis, UErrorCode& status );
01248
01258 void complete(UErrorCode& status);
01259
01268 inline int32_t internalGet(EDateFields field) const {return fFields[field];}
01269
01280 inline int32_t internalGet(UCalendarDateFields field, int32_t defaultValue) const {return fStamp[field]>kUnset ? fFields[field] : defaultValue;}
01281
01290 inline int32_t internalGet(UCalendarDateFields field) const {return fFields[field];}
01291
01301 void internalSet(EDateFields field, int32_t value);
01302
01312 inline void internalSet(UCalendarDateFields field, int32_t value);
01313
01320 virtual void prepareGetActual(UCalendarDateFields field, UBool isMinimum, UErrorCode &status);
01321
01326 enum ELimitType {
01327 UCAL_LIMIT_MINIMUM = 0,
01328 UCAL_LIMIT_GREATEST_MINIMUM,
01329 UCAL_LIMIT_LEAST_MAXIMUM,
01330 UCAL_LIMIT_MAXIMUM,
01331 UCAL_LIMIT_COUNT
01332 };
01333
01355 virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const = 0;
01356
01364 virtual int32_t getLimit(UCalendarDateFields field, ELimitType limitType) const;
01365
01366
01380 virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month,
01381 UBool useMonth) const = 0;
01382
01390 virtual int32_t handleGetMonthLength(int32_t extendedYear, int32_t month) const ;
01391
01399 virtual int32_t handleGetYearLength(int32_t eyear) const;
01400
01401
01410 virtual int32_t handleGetExtendedYear() = 0;
01411
01420 virtual int32_t handleComputeJulianDay(UCalendarDateFields bestField);
01421
01430 virtual int32_t handleGetExtendedYearFromWeekFields(int32_t yearWoy, int32_t woy);
01431
01438 int32_t computeJulianDay();
01439
01447 int32_t computeMillisInDay();
01448
01456 int32_t computeZoneOffset(double millis, int32_t millisInDay, UErrorCode &ec);
01457
01458
01467 int32_t newestStamp(UCalendarDateFields start, UCalendarDateFields end, int32_t bestSoFar) const;
01468
01474 enum {
01476 kResolveSTOP = -1,
01478 kResolveRemap = 32
01479 };
01480
01486 static const UFieldResolutionTable kDatePrecedence[];
01487
01493 static const UFieldResolutionTable kYearPrecedence[];
01494
01500 static const UFieldResolutionTable kDOWPrecedence[];
01501
01529 UCalendarDateFields resolveFields(const UFieldResolutionTable *precedenceTable);
01530
01531 virtual const UFieldResolutionTable* getFieldResolutionTable() const;
01532
01538 UCalendarDateFields newerField(UCalendarDateFields defaultField, UCalendarDateFields alternateField) const;
01539
01540
01541 private:
01550 int32_t getActualHelper(UCalendarDateFields field, int32_t startValue, int32_t endValue, UErrorCode &status) const;
01551
01552
01553 protected:
01558 UBool fIsTimeSet;
01559
01570 UBool fAreFieldsSet;
01571
01577 UBool fAreAllFieldsSet;
01578
01585 UDate internalGetTime(void) const { return fTime; }
01586
01594 void internalSetTime(UDate time) { fTime = time; }
01595
01600 int32_t fFields[UCAL_FIELD_COUNT];
01601
01606 UBool fIsSet[UCAL_FIELD_COUNT];
01607
01611 enum {
01612 kUnset = 0,
01613 kInternallySet,
01614 kMinimumUserStamp
01615 };
01616
01623 int32_t fStamp[UCAL_FIELD_COUNT];
01624
01649 virtual void handleComputeFields(int32_t julianDay, UErrorCode &status);
01650
01657 int32_t getGregorianYear() const {
01658 return fGregorianYear;
01659 }
01660
01667 int32_t getGregorianMonth() const {
01668 return fGregorianMonth;
01669 }
01670
01677 int32_t getGregorianDayOfYear() const {
01678 return fGregorianDayOfYear;
01679 }
01680
01687 int32_t getGregorianDayOfMonth() const {
01688 return fGregorianDayOfMonth;
01689 }
01690
01697 virtual int32_t getDefaultMonthInYear() ;
01698
01699
01705 virtual int32_t getDefaultDayInMonth(int32_t );
01706
01707
01708
01709
01710
01711
01739 virtual void pinField(UCalendarDateFields field, UErrorCode& status);
01740
01782 int32_t weekNumber(int32_t desiredDay, int32_t dayOfPeriod, int32_t dayOfWeek);
01783
01784
01815 inline int32_t weekNumber(int32_t dayOfPeriod, int32_t dayOfWeek);
01816
01821 int32_t getLocalDOW();
01822
01823 private:
01824
01828 int32_t fNextStamp;
01829
01833 UDate fTime;
01834
01838 UBool fLenient;
01839
01844 TimeZone* fZone;
01845
01854 UCalendarDaysOfWeek fFirstDayOfWeek;
01855 uint8_t fMinimalDaysInFirstWeek;
01856
01866 void setWeekCountData(const Locale& desiredLocale, UErrorCode& success);
01867
01877 void updateTime(UErrorCode& status);
01878
01882 static const char kDateTimeElements[];
01883
01887 static const char kDefaultCalendar[];
01888
01889
01894 int32_t fGregorianYear;
01895
01900 int32_t fGregorianMonth;
01901
01906 int32_t fGregorianDayOfYear;
01907
01912 int32_t fGregorianDayOfMonth;
01913
01914
01915
01922 void computeGregorianAndDOWFields(int32_t julianDay, UErrorCode &ec);
01923
01934 void computeGregorianFields(int32_t julianDay, UErrorCode &ec);
01935
01956 void computeWeekFields(UErrorCode &ec);
01957
01958
01967 void validateFields(UErrorCode &status);
01968
01977 virtual void validateField(UCalendarDateFields field, UErrorCode &status);
01978
01987 void validateField(UCalendarDateFields field, int32_t min, int32_t max, UErrorCode& status);
01988
01989 protected:
01999 static uint8_t julianDayToDayOfWeek(double julian);
02000
02001 private:
02002 char validLocale[ULOC_FULLNAME_CAPACITY];
02003 char actualLocale[ULOC_FULLNAME_CAPACITY];
02004
02005 public:
02016 static StringEnumeration* getAvailableLocales(void);
02017
02026 static URegistryKey registerFactory(ICUServiceFactory* toAdopt, UErrorCode& status);
02027
02038 static UBool unregister(URegistryKey key, UErrorCode& status);
02039
02044 friend class CalendarFactory;
02045
02050 friend class CalendarService;
02051
02056 friend class DefaultCalendarFactory;
02057
02062 virtual UBool haveDefaultCentury() const = 0;
02063
02068 virtual UDate defaultCenturyStart() const = 0;
02073 virtual int32_t defaultCenturyStartYear() const = 0;
02074
02081 Locale getLocale(ULocDataLocaleType type, UErrorCode &status) const;
02082
02089 const char* getLocaleID(ULocDataLocaleType type, UErrorCode &status) const;
02090
02091 };
02092
02093
02094
02095 inline Calendar*
02096 Calendar::createInstance(TimeZone* zone, UErrorCode& errorCode)
02097 {
02098
02099 return createInstance(zone, Locale::getDefault(), errorCode);
02100 }
02101
02102
02103
02104 inline void
02105 Calendar::roll(UCalendarDateFields field, UBool up, UErrorCode& status)
02106 {
02107 roll(field, (int32_t)(up ? +1 : -1), status);
02108 }
02109
02110 inline void
02111 Calendar::roll(EDateFields field, UBool up, UErrorCode& status)
02112 {
02113 roll((UCalendarDateFields) field, up, status);
02114 }
02115
02116
02117
02118
02124 inline void
02125 Calendar::internalSet(UCalendarDateFields field, int32_t value)
02126 {
02127 fFields[field] = value;
02128 fStamp[field] = kInternallySet;
02129 fIsSet[field] = TRUE;
02130 }
02131
02132 inline void
02133 Calendar::internalSet(EDateFields field, int32_t value)
02134 {
02135 internalSet((UCalendarDateFields) field, value);
02136 }
02137
02138 inline uint8_t Calendar::julianDayToDayOfWeek(double julian)
02139 {
02140
02141
02142 int8_t dayOfWeek = (int8_t) uprv_fmod(julian + 1, 7);
02143
02144 uint8_t result = (uint8_t)(dayOfWeek + ((dayOfWeek < 0) ? (7+UCAL_SUNDAY ) : UCAL_SUNDAY));
02145 return result;
02146 }
02147
02148 inline int32_t Calendar::weekNumber(int32_t dayOfPeriod, int32_t dayOfWeek)
02149 {
02150 return weekNumber(dayOfPeriod, dayOfPeriod, dayOfWeek);
02151 }
02152
02153
02154 U_NAMESPACE_END
02155
02156 #endif
02157
02158 #endif // _CALENDAR