ICU 72.1 72.1

calendar.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 ********************************************************************************
5 * Copyright (C) 1997-2014, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 ********************************************************************************
8 *
9 * File CALENDAR.H
10 *
11 * Modification History:
12 *
13 * Date Name Description
14 * 04/22/97 aliu Expanded and corrected comments and other header
15 * contents.
16 * 05/01/97 aliu Made equals(), before(), after() arguments const.
17 * 05/20/97 aliu Replaced fAreFieldsSet with fAreFieldsInSync and
18 * fAreAllFieldsSet.
19 * 07/27/98 stephen Sync up with JDK 1.2
20 * 11/15/99 weiv added YEAR_WOY and DOW_LOCAL
21 * to EDateFields
22 * 8/19/2002 srl Removed Javaisms
23 * 11/07/2003 srl Update, clean up documentation.
24 ********************************************************************************
25 */
26
27 #ifndef CALENDAR_H
28 #define CALENDAR_H
29
30 #include "unicode/utypes.h"
31
32 #if U_SHOW_CPLUSPLUS_API
33
38 #if !UCONFIG_NO_FORMATTING
39
40 #include "unicode/uobject.h"
41 #include "unicode/locid.h"
42 #include "unicode/timezone.h"
43 #include "unicode/ucal.h"
44 #include "unicode/umisc.h"
45
46 U_NAMESPACE_BEGIN
47
48 class ICUServiceFactory;
49
50 // Do not conditionalize the following with #ifndef U_HIDE_INTERNAL_API,
51 // it is a return type for a virtual method (@internal)
55 typedef int32_t UFieldResolutionTable[12][8];
56
57 class BasicTimeZone;
189 class U_I18N_API Calendar : public UObject {
190 public:
191 #ifndef U_FORCE_HIDE_DEPRECATED_API
198 enum EDateFields {
199 #ifndef U_HIDE_DEPRECATED_API
200 /*
201 * ERA may be defined on other platforms. To avoid any potential problems undefined it here.
202 */
203 #ifdef ERA
204 #undef ERA
205 #endif
206 ERA, // Example: 0..1
207 YEAR, // Example: 1..big number
208 MONTH, // Example: 0..11
209 WEEK_OF_YEAR, // Example: 1..53
210 WEEK_OF_MONTH, // Example: 1..4
211 DATE, // Example: 1..31
212 DAY_OF_YEAR, // Example: 1..365
213 DAY_OF_WEEK, // Example: 1..7
214 DAY_OF_WEEK_IN_MONTH, // Example: 1..4, may be specified as -1
215 AM_PM, // Example: 0..1
216 HOUR, // Example: 0..11
217 HOUR_OF_DAY, // Example: 0..23
218 MINUTE, // Example: 0..59
219 SECOND, // Example: 0..59
220 MILLISECOND, // Example: 0..999
221 ZONE_OFFSET, // Example: -12*U_MILLIS_PER_HOUR..12*U_MILLIS_PER_HOUR
222 DST_OFFSET, // Example: 0 or U_MILLIS_PER_HOUR
223 YEAR_WOY, // 'Y' Example: 1..big number - Year of Week of Year
224 DOW_LOCAL, // 'e' Example: 1..7 - Day of Week / Localized
225
226 EXTENDED_YEAR,
227 JULIAN_DAY,
228 MILLISECONDS_IN_DAY,
229 IS_LEAP_MONTH,
230
231 FIELD_COUNT = UCAL_FIELD_COUNT // See ucal.h for other fields.
232 #endif /* U_HIDE_DEPRECATED_API */
233 };
234 #endif // U_FORCE_HIDE_DEPRECATED_API
235
236 #ifndef U_HIDE_DEPRECATED_API
243 enum EDaysOfWeek {
244 SUNDAY = 1,
245 MONDAY,
246 TUESDAY,
247 WEDNESDAY,
248 THURSDAY,
249 FRIDAY,
250 SATURDAY
251 };
252
257 enum EMonths {
258 JANUARY,
259 FEBRUARY,
260 MARCH,
261 APRIL,
262 MAY,
263 JUNE,
264 JULY,
265 AUGUST,
266 SEPTEMBER,
267 OCTOBER,
268 NOVEMBER,
269 DECEMBER,
270 UNDECIMBER
271 };
272
277 enum EAmpm {
278 AM,
279 PM
280 };
281 #endif /* U_HIDE_DEPRECATED_API */
282
287 virtual ~Calendar();
288
295 virtual Calendar* clone() const = 0;
296
308 static Calendar* U_EXPORT2 createInstance(UErrorCode& success);
309
322 static Calendar* U_EXPORT2 createInstance(TimeZone* zoneToAdopt, UErrorCode& success);
323
335 static Calendar* U_EXPORT2 createInstance(const TimeZone& zone, UErrorCode& success);
336
347 static Calendar* U_EXPORT2 createInstance(const Locale& aLocale, UErrorCode& success);
348
362 static Calendar* U_EXPORT2 createInstance(TimeZone* zoneToAdopt, const Locale& aLocale, UErrorCode& success);
363
376 static Calendar* U_EXPORT2 createInstance(const TimeZone& zone, const Locale& aLocale, UErrorCode& success);
377
387 static const Locale* U_EXPORT2 getAvailableLocales(int32_t& count);
388
389
406 static StringEnumeration* U_EXPORT2 getKeywordValuesForLocale(const char* key,
407 const Locale& locale, UBool commonlyUsed, UErrorCode& status);
408
416 static UDate U_EXPORT2 getNow(void);
417
431 inline UDate getTime(UErrorCode& status) const { return getTimeInMillis(status); }
432
443 inline void setTime(UDate date, UErrorCode& status) { setTimeInMillis(date, status); }
444
456 virtual bool operator==(const Calendar& that) const;
457
466 bool operator!=(const Calendar& that) const {return !operator==(that);}
467
478 virtual UBool isEquivalentTo(const Calendar& other) const;
479
494 UBool equals(const Calendar& when, UErrorCode& status) const;
495
509 UBool before(const Calendar& when, UErrorCode& status) const;
510
524 UBool after(const Calendar& when, UErrorCode& status) const;
525
526 #ifndef U_FORCE_HIDE_DEPRECATED_API
547 virtual void add(EDateFields field, int32_t amount, UErrorCode& status);
548 #endif // U_FORCE_HIDE_DEPRECATED_API
549
570 virtual void add(UCalendarDateFields field, int32_t amount, UErrorCode& status);
571
572 #ifndef U_HIDE_DEPRECATED_API
605 inline void roll(EDateFields field, UBool up, UErrorCode& status);
606 #endif /* U_HIDE_DEPRECATED_API */
607
640 inline void roll(UCalendarDateFields field, UBool up, UErrorCode& status);
641
642 #ifndef U_FORCE_HIDE_DEPRECATED_API
674 virtual void roll(EDateFields field, int32_t amount, UErrorCode& status);
675 #endif // U_FORCE_HIDE_DEPRECATED_API
676
708 virtual void roll(UCalendarDateFields field, int32_t amount, UErrorCode& status);
709
710 #ifndef U_FORCE_HIDE_DEPRECATED_API
766 virtual int32_t fieldDifference(UDate when, EDateFields field, UErrorCode& status);
767 #endif // U_FORCE_HIDE_DEPRECATED_API
768
824 virtual int32_t fieldDifference(UDate when, UCalendarDateFields field, UErrorCode& status);
825
834 void adoptTimeZone(TimeZone* value);
835
843 void setTimeZone(const TimeZone& zone);
844
853 const TimeZone& getTimeZone(void) const;
854
863 TimeZone* orphanTimeZone(void);
864
873 virtual UBool inDaylightTime(UErrorCode& status) const = 0;
874
887 void setLenient(UBool lenient);
888
895 UBool isLenient(void) const;
896
917 void setRepeatedWallTimeOption(UCalendarWallTimeOption option);
918
928 UCalendarWallTimeOption getRepeatedWallTimeOption(void) const;
929
951 void setSkippedWallTimeOption(UCalendarWallTimeOption option);
952
963 UCalendarWallTimeOption getSkippedWallTimeOption(void) const;
964
971 void setFirstDayOfWeek(UCalendarDaysOfWeek value);
972
973 #ifndef U_HIDE_DEPRECATED_API
980 EDaysOfWeek getFirstDayOfWeek(void) const;
981 #endif /* U_HIDE_DEPRECATED_API */
982
990 UCalendarDaysOfWeek getFirstDayOfWeek(UErrorCode &status) const;
991
1001 void setMinimalDaysInFirstWeek(uint8_t value);
1002
1012 uint8_t getMinimalDaysInFirstWeek(void) const;
1013
1014 #ifndef U_FORCE_HIDE_DEPRECATED_API
1023 virtual int32_t getMinimum(EDateFields field) const;
1024 #endif // U_FORCE_HIDE_DEPRECATED_API
1025
1034 virtual int32_t getMinimum(UCalendarDateFields field) const;
1035
1036 #ifndef U_FORCE_HIDE_DEPRECATED_API
1045 virtual int32_t getMaximum(EDateFields field) const;
1046 #endif // U_FORCE_HIDE_DEPRECATED_API
1047
1056 virtual int32_t getMaximum(UCalendarDateFields field) const;
1057
1058 #ifndef U_FORCE_HIDE_DEPRECATED_API
1067 virtual int32_t getGreatestMinimum(EDateFields field) const;
1068 #endif // U_FORCE_HIDE_DEPRECATED_API
1069
1078 virtual int32_t getGreatestMinimum(UCalendarDateFields field) const;
1079
1080 #ifndef U_FORCE_HIDE_DEPRECATED_API
1089 virtual int32_t getLeastMaximum(EDateFields field) const;
1090 #endif // U_FORCE_HIDE_DEPRECATED_API
1091
1100 virtual int32_t getLeastMaximum(UCalendarDateFields field) const;
1101
1102 #ifndef U_HIDE_DEPRECATED_API
1117 int32_t getActualMinimum(EDateFields field, UErrorCode& status) const;
1118 #endif /* U_HIDE_DEPRECATED_API */
1119
1134 virtual int32_t getActualMinimum(UCalendarDateFields field, UErrorCode& status) const;
1135
1152 virtual int32_t getActualMaximum(UCalendarDateFields field, UErrorCode& status) const;
1153
1167 int32_t get(UCalendarDateFields field, UErrorCode& status) const;
1168
1177 UBool isSet(UCalendarDateFields field) const;
1178
1186 void set(UCalendarDateFields field, int32_t value);
1187
1198 void set(int32_t year, int32_t month, int32_t date);
1199
1212 void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute);
1213
1227 void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, int32_t second);
1228
1235 void clear(void);
1236
1245 void clear(UCalendarDateFields field);
1246
1262 virtual UClassID getDynamicClassID(void) const override = 0;
1263
1296 virtual const char * getType() const = 0;
1297
1314 virtual UCalendarWeekdayType getDayOfWeekType(UCalendarDaysOfWeek dayOfWeek, UErrorCode &status) const;
1315
1330 virtual int32_t getWeekendTransition(UCalendarDaysOfWeek dayOfWeek, UErrorCode &status) const;
1331
1341 virtual UBool isWeekend(UDate date, UErrorCode &status) const;
1342
1350 virtual UBool isWeekend(void) const;
1351
1352 protected:
1353
1362 Calendar(UErrorCode& success);
1363
1370 Calendar(const Calendar& source);
1371
1378 Calendar& operator=(const Calendar& right);
1379
1390 Calendar(TimeZone* zone, const Locale& aLocale, UErrorCode& success);
1391
1401 Calendar(const TimeZone& zone, const Locale& aLocale, UErrorCode& success);
1402
1411 virtual void computeTime(UErrorCode& status);
1412
1424 virtual void computeFields(UErrorCode& status);
1425
1435 double getTimeInMillis(UErrorCode& status) const;
1436
1445 void setTimeInMillis( double millis, UErrorCode& status );
1446
1456 void complete(UErrorCode& status);
1457
1458 #ifndef U_HIDE_DEPRECATED_API
1467 inline int32_t internalGet(EDateFields field) const {return fFields[field];}
1468 #endif /* U_HIDE_DEPRECATED_API */
1469
1470 #ifndef U_HIDE_INTERNAL_API
1481 inline int32_t internalGet(UCalendarDateFields field, int32_t defaultValue) const {return fStamp[field]>kUnset ? fFields[field] : defaultValue;}
1482
1491 inline int32_t internalGet(UCalendarDateFields field) const {return fFields[field];}
1492 #endif /* U_HIDE_INTERNAL_API */
1493
1494 #ifndef U_HIDE_DEPRECATED_API
1504 void internalSet(EDateFields field, int32_t value);
1505 #endif /* U_HIDE_DEPRECATED_API */
1506
1516 inline void internalSet(UCalendarDateFields field, int32_t value);
1517
1524 virtual void prepareGetActual(UCalendarDateFields field, UBool isMinimum, UErrorCode &status);
1525
1530 enum ELimitType {
1531 #ifndef U_HIDE_INTERNAL_API
1532 UCAL_LIMIT_MINIMUM = 0,
1533 UCAL_LIMIT_GREATEST_MINIMUM,
1534 UCAL_LIMIT_LEAST_MAXIMUM,
1535 UCAL_LIMIT_MAXIMUM,
1536 UCAL_LIMIT_COUNT
1537 #endif /* U_HIDE_INTERNAL_API */
1538 };
1539
1561 virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const = 0;
1562
1570 virtual int32_t getLimit(UCalendarDateFields field, ELimitType limitType) const;
1571
1572
1586 virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month,
1587 UBool useMonth) const = 0;
1588
1596 virtual int32_t handleGetMonthLength(int32_t extendedYear, int32_t month) const ;
1597
1605 virtual int32_t handleGetYearLength(int32_t eyear) const;
1606
1607
1616 virtual int32_t handleGetExtendedYear() = 0;
1617
1626 virtual int32_t handleComputeJulianDay(UCalendarDateFields bestField);
1627
1636 virtual int32_t handleGetExtendedYearFromWeekFields(int32_t yearWoy, int32_t woy);
1637
1644 virtual void validateField(UCalendarDateFields field, UErrorCode &status);
1645
1646 #ifndef U_HIDE_INTERNAL_API
1653 int32_t computeJulianDay();
1654
1662 double computeMillisInDay();
1663
1673 int32_t computeZoneOffset(double millis, double millisInDay, UErrorCode &ec);
1674
1675
1684 int32_t newestStamp(UCalendarDateFields start, UCalendarDateFields end, int32_t bestSoFar) const;
1685
1692 static constexpr int32_t kResolveSTOP = -1;
1702 static constexpr int32_t kResolveRemap = 32;
1703
1709 static const UFieldResolutionTable kDatePrecedence[];
1710
1716 static const UFieldResolutionTable kYearPrecedence[];
1717
1723 static const UFieldResolutionTable kDOWPrecedence[];
1724
1752 UCalendarDateFields resolveFields(const UFieldResolutionTable *precedenceTable);
1753 #endif /* U_HIDE_INTERNAL_API */
1754
1755
1759 virtual const UFieldResolutionTable* getFieldResolutionTable() const;
1760
1761 #ifndef U_HIDE_INTERNAL_API
1767 UCalendarDateFields newerField(UCalendarDateFields defaultField, UCalendarDateFields alternateField) const;
1768 #endif /* U_HIDE_INTERNAL_API */
1769
1770
1771 private:
1780 int32_t getActualHelper(UCalendarDateFields field, int32_t startValue, int32_t endValue, UErrorCode &status) const;
1781
1782
1783 protected:
1788 UBool fIsTimeSet;
1789
1800 UBool fAreFieldsSet;
1801
1807 UBool fAreAllFieldsSet;
1808
1816 UBool fAreFieldsVirtuallySet;
1817
1824 UDate internalGetTime(void) const { return fTime; }
1825
1833 void internalSetTime(UDate time) { fTime = time; }
1834
1839 int32_t fFields[UCAL_FIELD_COUNT];
1840
1841 #ifndef U_FORCE_HIDE_DEPRECATED_API
1846 UBool fIsSet[UCAL_FIELD_COUNT];
1847 #endif // U_FORCE_HIDE_DEPRECATED_API
1848
1852 enum {
1853 kUnset = 0,
1854 kInternallySet,
1855 kMinimumUserStamp
1856 };
1857
1864 int32_t fStamp[UCAL_FIELD_COUNT];
1865
1890 virtual void handleComputeFields(int32_t julianDay, UErrorCode &status);
1891
1892 #ifndef U_HIDE_INTERNAL_API
1898 int32_t getGregorianYear() const {
1899 return fGregorianYear;
1900 }
1901
1907 int32_t getGregorianMonth() const {
1908 return fGregorianMonth;
1909 }
1910
1916 int32_t getGregorianDayOfYear() const {
1917 return fGregorianDayOfYear;
1918 }
1919
1925 int32_t getGregorianDayOfMonth() const {
1926 return fGregorianDayOfMonth;
1927 }
1928 #endif /* U_HIDE_INTERNAL_API */
1929
1936 virtual int32_t getDefaultMonthInYear(int32_t eyear) ;
1937
1938
1946 virtual int32_t getDefaultDayInMonth(int32_t eyear, int32_t month);
1947
1948 //-------------------------------------------------------------------------
1949 // Protected utility methods for use by subclasses. These are very handy
1950 // for implementing add, roll, and computeFields.
1951 //-------------------------------------------------------------------------
1952
1982 virtual void pinField(UCalendarDateFields field, UErrorCode& status);
1983
2027 int32_t weekNumber(int32_t desiredDay, int32_t dayOfPeriod, int32_t dayOfWeek);
2028
2029
2030 #ifndef U_HIDE_INTERNAL_API
2061 inline int32_t weekNumber(int32_t dayOfPeriod, int32_t dayOfWeek);
2062
2067 int32_t getLocalDOW();
2068 #endif /* U_HIDE_INTERNAL_API */
2069
2070 private:
2071
2075 int32_t fNextStamp;// = MINIMUM_USER_STAMP;
2076
2081 void recalculateStamp();
2082
2086 UDate fTime;
2087
2091 UBool fLenient;
2092
2097 TimeZone* fZone;
2098
2103 UCalendarWallTimeOption fRepeatedWallTime;
2104
2109 UCalendarWallTimeOption fSkippedWallTime;
2110
2119 UCalendarDaysOfWeek fFirstDayOfWeek;
2120 uint8_t fMinimalDaysInFirstWeek;
2121 UCalendarDaysOfWeek fWeekendOnset;
2122 int32_t fWeekendOnsetMillis;
2123 UCalendarDaysOfWeek fWeekendCease;
2124 int32_t fWeekendCeaseMillis;
2125
2136 void setWeekData(const Locale& desiredLocale, const char *type, UErrorCode& success);
2137
2147 void updateTime(UErrorCode& status);
2148
2154 int32_t fGregorianYear;
2155
2161 int32_t fGregorianMonth;
2162
2168 int32_t fGregorianDayOfYear;
2169
2175 int32_t fGregorianDayOfMonth;
2176
2177 /* calculations */
2178
2185 void computeGregorianAndDOWFields(int32_t julianDay, UErrorCode &ec);
2186
2187 protected:
2188
2196 void computeGregorianFields(int32_t julianDay, UErrorCode &ec);
2197
2198 private:
2199
2220 void computeWeekFields(UErrorCode &ec);
2221
2222
2230 void validateFields(UErrorCode &status);
2231
2239 void validateField(UCalendarDateFields field, int32_t min, int32_t max, UErrorCode& status);
2240
2241 protected:
2242 #ifndef U_HIDE_INTERNAL_API
2252 static uint8_t julianDayToDayOfWeek(double julian);
2253 #endif /* U_HIDE_INTERNAL_API */
2254
2255 private:
2256 char validLocale[ULOC_FULLNAME_CAPACITY];
2257 char actualLocale[ULOC_FULLNAME_CAPACITY];
2258
2259 public:
2260 #if !UCONFIG_NO_SERVICE
2265 #ifndef U_HIDE_INTERNAL_API
2272 static StringEnumeration* getAvailableLocales(void);
2273
2287 static URegistryKey registerFactory(ICUServiceFactory* toAdopt, UErrorCode& status);
2288
2304 static UBool unregister(URegistryKey key, UErrorCode& status);
2305 #endif /* U_HIDE_INTERNAL_API */
2306
2311 friend class CalendarFactory;
2312
2317 friend class CalendarService;
2318
2323 friend class DefaultCalendarFactory;
2324 #endif /* !UCONFIG_NO_SERVICE */
2325
2330 virtual UBool haveDefaultCentury() const = 0;
2331
2336 virtual UDate defaultCenturyStart() const = 0;
2341 virtual int32_t defaultCenturyStartYear() const = 0;
2342
2349 Locale getLocale(ULocDataLocaleType type, UErrorCode &status) const;
2350
2356 virtual int32_t getRelatedYear(UErrorCode &status) const;
2357
2363 virtual void setRelatedYear(int32_t year);
2364
2365 #ifndef U_HIDE_INTERNAL_API
2372 const char* getLocaleID(ULocDataLocaleType type, UErrorCode &status) const;
2373 #endif /* U_HIDE_INTERNAL_API */
2374
2375 private:
2380 BasicTimeZone* getBasicTimeZone() const;
2381
2389 UBool getImmediatePreviousZoneTransition(UDate base, UDate *transitionTime, UErrorCode& status) const;
2390
2391 public:
2392 #ifndef U_HIDE_INTERNAL_API
2401 static Calendar * U_EXPORT2 makeInstance(
2402 const Locale &locale, UErrorCode &status);
2403
2414 static void U_EXPORT2 getCalendarTypeFromLocale(
2415 const Locale &locale,
2416 char *typeBuffer,
2417 int32_t typeBufferSize,
2418 UErrorCode &status);
2419 #endif /* U_HIDE_INTERNAL_API */
2420 };
2421
2422 // -------------------------------------
2423
2424 inline Calendar*
2425 Calendar::createInstance(TimeZone* zone, UErrorCode& errorCode)
2426 {
2427 // since the Locale isn't specified, use the default locale
2428 return createInstance(zone, Locale::getDefault(), errorCode);
2429 }
2430
2431 // -------------------------------------
2432
2433 inline void
2434 Calendar::roll(UCalendarDateFields field, UBool up, UErrorCode& status)
2435 {
2436 roll(field, (int32_t)(up ? +1 : -1), status);
2437 }
2438
2439 #ifndef U_HIDE_DEPRECATED_API
2440 inline void
2441 Calendar::roll(EDateFields field, UBool up, UErrorCode& status)
2442 {
2443 roll((UCalendarDateFields) field, up, status);
2444 }
2445 #endif /* U_HIDE_DEPRECATED_API */
2446
2447
2448 // -------------------------------------
2449
2455 inline void
2456 Calendar::internalSet(UCalendarDateFields field, int32_t value)
2457 {
2458 fFields[field] = value;
2459 fStamp[field] = kInternallySet;
2460 fIsSet[field] = true; // Remove later
2461 }
2462
2463
2464 #ifndef U_HIDE_INTERNAL_API
2465 inline int32_t Calendar::weekNumber(int32_t dayOfPeriod, int32_t dayOfWeek)
2466 {
2467 return weekNumber(dayOfPeriod, dayOfPeriod, dayOfWeek);
2468 }
2469 #endif /* U_HIDE_INTERNAL_API */
2470
2471 U_NAMESPACE_END
2472
2473 #endif /* #if !UCONFIG_NO_FORMATTING */
2474
2475 #endif /* U_SHOW_CPLUSPLUS_API */
2476
2477 #endif // _CALENDAR
icu::BasicTimeZone
BasicTimeZone is an abstract class extending TimeZone.
Definition: basictz.h:38
icu::Calendar
Calendar is an abstract base class for converting between a UDate object and a set of integer fields ...
Definition: calendar.h:189
icu::Calendar::after
UBool after(const Calendar &when, UErrorCode &status) const
Returns true if this Calendar's current time is after "when"'s current time.
icu::Calendar::getGreatestMinimum
virtual int32_t getGreatestMinimum(EDateFields field) const
Gets the highest minimum value for the given field if varies.
icu::Calendar::fIsTimeSet
UBool fIsTimeSet
The flag which indicates if the current time is set in the calendar.
Definition: calendar.h:1788
icu::Calendar::setTime
void setTime(UDate date, UErrorCode &status)
Sets this Calendar's current time with the given UDate.
Definition: calendar.h:443
icu::Calendar::setSkippedWallTimeOption
void setSkippedWallTimeOption(UCalendarWallTimeOption option)
Sets the behavior for handling skipped wall time at positive time zone offset transitions.
icu::Calendar::internalGet
int32_t internalGet(UCalendarDateFields field) const
Gets the value for a given time field.
Definition: calendar.h:1491
icu::Calendar::newestStamp
int32_t newestStamp(UCalendarDateFields start, UCalendarDateFields end, int32_t bestSoFar) const
Determine the best stamp in a range.
icu::Calendar::set
void set(UCalendarDateFields field, int32_t value)
Sets the given time field with the given value.
icu::Calendar::getRepeatedWallTimeOption
UCalendarWallTimeOption getRepeatedWallTimeOption(void) const
Gets the behavior for handling wall time repeating multiple times at negative time zone offset transi...
icu::Calendar::getLocale
Locale getLocale(ULocDataLocaleType type, UErrorCode &status) const
Get the locale for this calendar object.
icu::Calendar::get
int32_t get(UCalendarDateFields field, UErrorCode &status) const
Gets the value for a given time field.
icu::Calendar::operator=
Calendar & operator=(const Calendar &right)
Default assignment operator.
icu::Calendar::clone
virtual Calendar * clone() const =0
Create and return a polymorphic copy of this calendar.
icu::Calendar::getMinimum
virtual int32_t getMinimum(EDateFields field) const
Gets the minimum value for the given time field.
icu::Calendar::getLocalDOW
int32_t getLocalDOW()
returns the local DOW, valid range 0..6
icu::Calendar::roll
virtual void roll(UCalendarDateFields field, int32_t amount, UErrorCode &status)
Time Field Rolling function.
icu::Calendar::getDynamicClassID
virtual UClassID getDynamicClassID(void) const override=0
Returns a unique class ID POLYMORPHICALLY.
icu::Calendar::fieldDifference
virtual int32_t fieldDifference(UDate when, UCalendarDateFields field, UErrorCode &status)
Return the difference between the given time and the time this calendar object is set to.
icu::Calendar::weekNumber
int32_t weekNumber(int32_t desiredDay, int32_t dayOfPeriod, int32_t dayOfWeek)
Return the week number of a day, within a period.
icu::Calendar::getLeastMaximum
virtual int32_t getLeastMaximum(UCalendarDateFields field) const
Gets the lowest maximum value for the given field if varies.
icu::Calendar::handleComputeJulianDay
virtual int32_t handleComputeJulianDay(UCalendarDateFields bestField)
Subclasses may override this.
icu::Calendar::setTimeInMillis
void setTimeInMillis(double millis, UErrorCode &status)
Sets this Calendar's current time from the given long value.
icu::Calendar::complete
void complete(UErrorCode &status)
Recomputes the current time from currently set fields, and then fills in any unset fields in the time...
icu::Calendar::getCalendarTypeFromLocale
static void getCalendarTypeFromLocale(const Locale &locale, char *typeBuffer, int32_t typeBufferSize, UErrorCode &status)
Get the calendar type for given locale.
icu::Calendar::isSet
UBool isSet(UCalendarDateFields field) const
Determines if the given time field has a value set.
icu::Calendar::setLenient
void setLenient(UBool lenient)
Specifies whether or not date/time interpretation is to be lenient.
icu::Calendar::getGregorianMonth
int32_t getGregorianMonth() const
Return the month (0-based) on the Gregorian calendar as computed by computeGregorianFields().
Definition: calendar.h:1907
icu::Calendar::computeGregorianFields
void computeGregorianFields(int32_t julianDay, UErrorCode &ec)
Compute the Gregorian calendar year, month, and day of month from the Julian day.
icu::Calendar::getGregorianDayOfYear
int32_t getGregorianDayOfYear() const
Return the day of year (1-based) on the Gregorian calendar as computed by computeGregorianFields().
Definition: calendar.h:1916
icu::Calendar::haveDefaultCentury
virtual UBool haveDefaultCentury() const =0
icu::Calendar::EDaysOfWeek
EDaysOfWeek
Useful constant for days of week.
Definition: calendar.h:243
icu::Calendar::orphanTimeZone
TimeZone * orphanTimeZone(void)
Returns the time zone owned by this calendar.
icu::Calendar::getLeastMaximum
virtual int32_t getLeastMaximum(EDateFields field) const
Gets the lowest maximum value for the given field if varies.
icu::Calendar::~Calendar
virtual ~Calendar()
destructor
icu::Calendar::EDateFields
EDateFields
Field IDs for date and time.
Definition: calendar.h:198
icu::Calendar::operator==
virtual bool operator==(const Calendar &that) const
Compares the equality of two Calendar objects.
icu::Calendar::roll
virtual void roll(EDateFields field, int32_t amount, UErrorCode &status)
Time Field Rolling function.
icu::Calendar::getKeywordValuesForLocale
static StringEnumeration * getKeywordValuesForLocale(const char *key, const Locale &locale, UBool commonlyUsed, UErrorCode &status)
Given a key and a locale, returns an array of string values in a preferred order that would make a di...
icu::Calendar::ELimitType
ELimitType
Limit enums.
Definition: calendar.h:1530
icu::Calendar::Calendar
Calendar(UErrorCode &success)
Constructs a Calendar with the default time zone as returned by TimeZone::createInstance(),...
icu::Calendar::makeInstance
static Calendar * makeInstance(const Locale &locale, UErrorCode &status)
Creates a new Calendar from a Locale for the cache.
icu::Calendar::equals
UBool equals(const Calendar &when, UErrorCode &status) const
Compares the Calendar time, whereas Calendar::operator== compares the equality of Calendar objects.
icu::Calendar::operator!=
bool operator!=(const Calendar &that) const
Compares the inequality of two Calendar objects.
Definition: calendar.h:466
icu::Calendar::getRelatedYear
virtual int32_t getRelatedYear(UErrorCode &status) const
icu::Calendar::getType
virtual const char * getType() const =0
Returns the calendar type name string for this Calendar object.
icu::Calendar::clear
void clear(UCalendarDateFields field)
Clears the value in the given time field, both making it unset and assigning it a value of zero.
icu::Calendar::handleComputeFields
virtual void handleComputeFields(int32_t julianDay, UErrorCode &status)
Subclasses may override this method to compute several fields specific to each calendar system.
icu::Calendar::resolveFields
UCalendarDateFields resolveFields(const UFieldResolutionTable *precedenceTable)
Given a precedence table, return the newest field combination in the table, or UCAL_FIELD_COUNT if no...
icu::Calendar::getFieldResolutionTable
virtual const UFieldResolutionTable * getFieldResolutionTable() const
icu::Calendar::fAreFieldsVirtuallySet
UBool fAreFieldsVirtuallySet
True if all fields have been virtually set, but have not yet been computed.
Definition: calendar.h:1816
icu::Calendar::getTimeInMillis
double getTimeInMillis(UErrorCode &status) const
Gets this Calendar's current time as a long.
icu::Calendar::getFirstDayOfWeek
UCalendarDaysOfWeek getFirstDayOfWeek(UErrorCode &status) const
Gets what the first day of the week is; e.g., Sunday in US, Monday in France.
icu::Calendar::getSkippedWallTimeOption
UCalendarWallTimeOption getSkippedWallTimeOption(void) const
Gets the behavior for handling skipped wall time at positive time zone offset transitions.
icu::Calendar::internalGet
int32_t internalGet(EDateFields field) const
Gets the value for a given time field.
Definition: calendar.h:1467
icu::Calendar::registerFactory
static URegistryKey registerFactory(ICUServiceFactory *toAdopt, UErrorCode &status)
Register a new Calendar factory.
icu::Calendar::getDefaultDayInMonth
virtual int32_t getDefaultDayInMonth(int32_t eyear, int32_t month)
Called by computeJulianDay.
icu::Calendar::fAreFieldsSet
UBool fAreFieldsSet
True if the fields are in sync with the currently set time of this Calendar.
Definition: calendar.h:1800
icu::Calendar::Calendar
Calendar(const Calendar &source)
Copy constructor.
icu::Calendar::computeFields
virtual void computeFields(UErrorCode &status)
Converts GMT as milliseconds to time field values.
icu::Calendar::getActualMaximum
virtual int32_t getActualMaximum(UCalendarDateFields field, UErrorCode &status) const
Return the maximum value that this field could have, given the current date.
icu::Calendar::createInstance
static Calendar * createInstance(const TimeZone &zone, UErrorCode &success)
Creates a Calendar using the given timezone and the default locale.
icu::Calendar::prepareGetActual
virtual void prepareGetActual(UCalendarDateFields field, UBool isMinimum, UErrorCode &status)
Prepare this calendar for computing the actual minimum or maximum.
icu::Calendar::handleGetMonthLength
virtual int32_t handleGetMonthLength(int32_t extendedYear, int32_t month) const
Return the number of days in the given month of the given extended year of this calendar system.
icu::Calendar::adoptTimeZone
void adoptTimeZone(TimeZone *value)
Sets the calendar's time zone to be the one passed in.
icu::Calendar::before
UBool before(const Calendar &when, UErrorCode &status) const
Returns true if this Calendar's current time is before "when"'s current time.
icu::Calendar::defaultCenturyStartYear
virtual int32_t defaultCenturyStartYear() const =0
icu::Calendar::setMinimalDaysInFirstWeek
void setMinimalDaysInFirstWeek(uint8_t value)
Sets what the minimal days required in the first week of the year are; For example,...
icu::Calendar::defaultCenturyStart
virtual UDate defaultCenturyStart() const =0
icu::Calendar::getMaximum
virtual int32_t getMaximum(UCalendarDateFields field) const
Gets the maximum value for the given time field.
icu::Calendar::pinField
virtual void pinField(UCalendarDateFields field, UErrorCode &status)
Adjust the specified field so that it is within the allowable range for the date to which this calend...
icu::Calendar::getGregorianYear
int32_t getGregorianYear() const
Return the extended year on the Gregorian calendar as computed by computeGregorianFields().
Definition: calendar.h:1898
icu::Calendar::internalGet
int32_t internalGet(UCalendarDateFields field, int32_t defaultValue) const
Gets the value for a given time field.
Definition: calendar.h:1481
icu::Calendar::internalSetTime
void internalSetTime(UDate time)
Set the current time without affecting flags or fields.
Definition: calendar.h:1833
icu::Calendar::julianDayToDayOfWeek
static uint8_t julianDayToDayOfWeek(double julian)
Convert a quasi Julian date to the day of the week.
icu::Calendar::getActualMinimum
virtual int32_t getActualMinimum(UCalendarDateFields field, UErrorCode &status) const
Return the minimum value that this field could have, given the current date.
icu::Calendar::getTime
UDate getTime(UErrorCode &status) const
Gets this Calendar's time as milliseconds.
Definition: calendar.h:431
icu::Calendar::fAreAllFieldsSet
UBool fAreAllFieldsSet
True if all of the fields have been set.
Definition: calendar.h:1807
icu::Calendar::computeJulianDay
int32_t computeJulianDay()
Compute the Julian day from fields.
icu::Calendar::handleGetLimit
virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const =0
Subclass API for defining limits of different types.
icu::Calendar::getWeekendTransition
virtual int32_t getWeekendTransition(UCalendarDaysOfWeek dayOfWeek, UErrorCode &status) const
Returns the time during the day at which the weekend begins or ends in this calendar system.
icu::Calendar::handleGetExtendedYear
virtual int32_t handleGetExtendedYear()=0
Return the extended year defined by the current fields.
icu::Calendar::getActualMinimum
int32_t getActualMinimum(EDateFields field, UErrorCode &status) const
Return the minimum value that this field could have, given the current date.
icu::Calendar::newerField
UCalendarDateFields newerField(UCalendarDateFields defaultField, UCalendarDateFields alternateField) const
Return the field that is newer, either defaultField, or alternateField.
icu::Calendar::isEquivalentTo
virtual UBool isEquivalentTo(const Calendar &other) const
Returns true if the given Calendar object is equivalent to this one.
icu::Calendar::computeMillisInDay
double computeMillisInDay()
Compute the milliseconds in the day from the fields.
icu::Calendar::getFirstDayOfWeek
EDaysOfWeek getFirstDayOfWeek(void) const
Gets what the first day of the week is; e.g., Sunday in US, Monday in France.
icu::Calendar::getGreatestMinimum
virtual int32_t getGreatestMinimum(UCalendarDateFields field) const
Gets the highest minimum value for the given field if varies.
icu::Calendar::getLocaleID
const char * getLocaleID(ULocDataLocaleType type, UErrorCode &status) const
Get the locale for this calendar object.
icu::Calendar::Calendar
Calendar(const TimeZone &zone, const Locale &aLocale, UErrorCode &success)
Constructs a Calendar with the given time zone and locale.
icu::Calendar::setTimeZone
void setTimeZone(const TimeZone &zone)
Sets the calendar's time zone to be the same as the one passed in.
icu::Calendar::getDefaultMonthInYear
virtual int32_t getDefaultMonthInYear(int32_t eyear)
Called by computeJulianDay.
icu::Calendar::EAmpm
EAmpm
Useful constants for hour in 12-hour clock.
Definition: calendar.h:277
icu::Calendar::internalGetTime
UDate internalGetTime(void) const
Get the current time without recomputing.
Definition: calendar.h:1824
icu::Calendar::internalSet
void internalSet(EDateFields field, int32_t value)
Sets the value for a given time field.
icu::Calendar::createInstance
static Calendar * createInstance(const Locale &aLocale, UErrorCode &success)
Creates a Calendar using the default timezone and the given locale.
icu::Calendar::createInstance
static Calendar * createInstance(const TimeZone &zone, const Locale &aLocale, UErrorCode &success)
Gets a Calendar using the given timezone and given locale.
icu::Calendar::setRelatedYear
virtual void setRelatedYear(int32_t year)
icu::Calendar::getNow
static UDate getNow(void)
Returns the current UTC (GMT) time measured in milliseconds since 0:00:00 on 1/1/70 (derived from the...
icu::Calendar::getMinimum
virtual int32_t getMinimum(UCalendarDateFields field) const
Gets the minimum value for the given time field.
icu::Calendar::handleGetExtendedYearFromWeekFields
virtual int32_t handleGetExtendedYearFromWeekFields(int32_t yearWoy, int32_t woy)
Subclasses must override this to convert from week fields (YEAR_WOY and WEEK_OF_YEAR) to an extended ...
icu::Calendar::setRepeatedWallTimeOption
void setRepeatedWallTimeOption(UCalendarWallTimeOption option)
Sets the behavior for handling wall time repeating multiple times at negative time zone offset transi...
icu::Calendar::inDaylightTime
virtual UBool inDaylightTime(UErrorCode &status) const =0
Queries if the current date for this Calendar is in Daylight Savings Time.
icu::Calendar::setFirstDayOfWeek
void setFirstDayOfWeek(UCalendarDaysOfWeek value)
Sets what the first day of the week is; e.g., Sunday in US, Monday in France.
icu::Calendar::getAvailableLocales
static const Locale * getAvailableLocales(int32_t &count)
Returns a list of the locales for which Calendars are installed.
icu::Calendar::createInstance
static Calendar * createInstance(UErrorCode &success)
Creates a Calendar using the default timezone and locale.
icu::Calendar::set
void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, int32_t second)
Sets the values for the fields YEAR, MONTH, DATE, HOUR_OF_DAY, MINUTE, and SECOND.
icu::Calendar::handleComputeMonthStart
virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month, UBool useMonth) const =0
Return the Julian day number of day before the first day of the given month in the given extended yea...
icu::Calendar::getAvailableLocales
static StringEnumeration * getAvailableLocales(void)
INTERNAL FOR 2.6 – Registration.
icu::Calendar::getDayOfWeekType
virtual UCalendarWeekdayType getDayOfWeekType(UCalendarDaysOfWeek dayOfWeek, UErrorCode &status) const
Returns whether the given day of the week is a weekday, a weekend day, or a day that transitions from...
icu::Calendar::clear
void clear(void)
Clears the values of all the time fields, making them both unset and assigning them a value of zero.
icu::Calendar::handleGetYearLength
virtual int32_t handleGetYearLength(int32_t eyear) const
Return the number of days in the given extended year of this calendar system.
icu::Calendar::EMonths
EMonths
Useful constants for month.
Definition: calendar.h:257
icu::Calendar::computeTime
virtual void computeTime(UErrorCode &status)
Converts Calendar's time field values to GMT as milliseconds.
icu::Calendar::isWeekend
virtual UBool isWeekend(void) const
Returns true if this Calendar's current date-time is in the weekend in this calendar system.
icu::Calendar::isLenient
UBool isLenient(void) const
Tells whether date/time interpretation is to be lenient.
icu::Calendar::getLimit
virtual int32_t getLimit(UCalendarDateFields field, ELimitType limitType) const
Return a limit for a field.
icu::Calendar::isWeekend
virtual UBool isWeekend(UDate date, UErrorCode &status) const
Returns true if the given UDate is in the weekend in this calendar system.
icu::Calendar::getMaximum
virtual int32_t getMaximum(EDateFields field) const
Gets the maximum value for the given time field.
icu::Calendar::getTimeZone
const TimeZone & getTimeZone(void) const
Returns a reference to the time zone owned by this calendar.
icu::Calendar::add
virtual void add(UCalendarDateFields field, int32_t amount, UErrorCode &status)
UDate Arithmetic function.
icu::Calendar::unregister
static UBool unregister(URegistryKey key, UErrorCode &status)
Unregister a previously-registered CalendarFactory using the key returned from the register call.
icu::Calendar::validateField
virtual void validateField(UCalendarDateFields field, UErrorCode &status)
Validate a single field of this calendar.
icu::Calendar::getMinimalDaysInFirstWeek
uint8_t getMinimalDaysInFirstWeek(void) const
Gets what the minimal days required in the first week of the year are; e.g., if the first week is def...
icu::Calendar::add
virtual void add(EDateFields field, int32_t amount, UErrorCode &status)
UDate Arithmetic function.
icu::Calendar::getGregorianDayOfMonth
int32_t getGregorianDayOfMonth() const
Return the day of month (1-based) on the Gregorian calendar as computed by computeGregorianFields().
Definition: calendar.h:1925
icu::Calendar::Calendar
Calendar(TimeZone *zone, const Locale &aLocale, UErrorCode &success)
Constructs a Calendar with the given time zone and locale.
icu::Calendar::computeZoneOffset
int32_t computeZoneOffset(double millis, double millisInDay, UErrorCode &ec)
This method can assume EXTENDED_YEAR has been set.
icu::Calendar::createInstance
static Calendar * createInstance(TimeZone *zoneToAdopt, const Locale &aLocale, UErrorCode &success)
Creates a Calendar using the given timezone and given locale.
icu::Calendar::set
void set(int32_t year, int32_t month, int32_t date)
Sets the values for the fields YEAR, MONTH, and DATE.
icu::Calendar::set
void set(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute)
Sets the values for the fields YEAR, MONTH, DATE, HOUR_OF_DAY, and MINUTE.
icu::Calendar::fieldDifference
virtual int32_t fieldDifference(UDate when, EDateFields field, UErrorCode &status)
Return the difference between the given time and the time this calendar object is set to.
icu::Locale
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:195
icu::StringEnumeration
Base class for 'pure' C++ implementations of uenum api.
Definition: strenum.h:61
icu::TimeZone
TimeZone represents a time zone offset, and also figures out daylight savings.
Definition: timezone.h:133
icu::UObject
UObject is the common ICU "boilerplate" class.
Definition: uobject.h:223
locid.h
C++ API: Locale ID object.
icu::operator==
U_EXPORT UBool operator==(const StringPiece &x, const StringPiece &y)
Global operator == for StringPiece.
icu::UFieldResolutionTable
int32_t UFieldResolutionTable[12][8]
Definition: calendar.h:48
timezone.h
C++ API: TimeZone object.
ucal.h
C API: Calendar.
UCalendarDateFields
UCalendarDateFields
Possible fields in a UCalendar.
Definition: ucal.h:202
UCAL_FIELD_COUNT
@ UCAL_FIELD_COUNT
One more than the highest normal UCalendarDateFields value.
Definition: ucal.h:452
UCalendarWallTimeOption
UCalendarWallTimeOption
Options for handling ambiguous wall time at time zone offset transitions.
Definition: ucal.h:965
UCalendarWeekdayType
UCalendarWeekdayType
Weekday types, as returned by ucal_getDayOfWeekType().
Definition: ucal.h:1399
UCalendarDaysOfWeek
UCalendarDaysOfWeek
Useful constant for days of week.
Definition: ucal.h:476
ULOC_FULLNAME_CAPACITY
#define ULOC_FULLNAME_CAPACITY
Useful constant for the maximum size of the whole locale ID (including the terminating NULL and all k...
Definition: uloc.h:264
ULocDataLocaleType
ULocDataLocaleType
Constants for *_getLocale() Allow user to select whether she wants information on requested,...
Definition: uloc.h:338
UBool
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition: umachine.h:269
umisc.h
C API:misc definitions.
URegistryKey
const void * URegistryKey
Opaque type returned by registerInstance, registerFactory and unregister for service registration.
Definition: umisc.h:57
uobject.h
C++ API: Common ICU base class UObject.
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:96
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
UErrorCode
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:415
U_I18N_API
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside.
Definition: utypes.h:301
UDate
double UDate
Date and Time data type.
Definition: utypes.h:203