31 #if U_SHOW_CPLUSPLUS_API
33 #if !UCONFIG_NO_FORMATTING
355 #ifndef U_FORCE_HIDE_DEPRECATED_API
383 #ifndef U_HIDE_DEPRECATED_API
414 #ifndef U_HIDE_DEPRECATED_API
515 UBool useMonth)
const;
562 #ifndef U_HIDE_INTERNAL_API
666 static double computeJulianDayOfYear(
UBool isGregorian, int32_t year,
673 UBool validateFields(
void)
const;
689 int32_t aggregateStamp(int32_t stamp_a, int32_t stamp_b);
698 UDate fGregorianCutover;
703 int32_t fCutoverJulianDay;
710 UDate fNormalizedGregorianCutover;
716 int32_t fGregorianCutoverYear;
722 int32_t fGregorianCutoverJulianDay;
731 static double millisToJulianDay(
UDate millis);
740 static UDate julianDayToMillis(
double julian);
753 UBool fInvertGregorian;
C++ API: Calendar object.
Calendar is an abstract base class for converting between a UDate object and a set of integer fields ...
EDateFields
Field IDs for date and time.
Concrete class which provides the standard calendar used by most of the world.
int32_t yearLength(int32_t year) const
return the length of the given year.
virtual int32_t handleComputeJulianDay(UCalendarDateFields bestField)
Subclasses may override this.
int32_t getActualMinimum(EDateFields field, UErrorCode &status) const
Return the minimum value that this field could have, given the current date.
GregorianCalendar(UErrorCode &success)
Constructs a default GregorianCalendar using the current time in the default time zone with the defau...
virtual UDate defaultCenturyStart() const
int32_t getActualMinimum(UCalendarDateFields field, UErrorCode &status) const
Return the minimum value that this field could have, given the current date.
virtual int32_t monthLength(int32_t month) const
return the length of the given month.
virtual UClassID getDynamicClassID(void) const
Override Calendar Returns a unique class ID POLYMORPHICALLY.
EEras
Useful constants for GregorianCalendar and TimeZone.
GregorianCalendar(TimeZone *zoneToAdopt, UErrorCode &success)
Constructs a GregorianCalendar based on the current time in the given time zone with the default loca...
GregorianCalendar(const Locale &aLocale, UErrorCode &success)
Constructs a GregorianCalendar based on the current time in the default time zone with the given loca...
GregorianCalendar(const TimeZone &zone, const Locale &aLocale, UErrorCode &success)
Constructs a GregorianCalendar based on the current time in the given time zone with the given locale...
virtual GregorianCalendar * clone() const
Create and return a polymorphic copy of this calendar.
virtual int32_t monthLength(int32_t month, int32_t year) const
return the length of the month according to the given year.
GregorianCalendar(TimeZone *zoneToAdopt, const Locale &aLocale, UErrorCode &success)
Constructs a GregorianCalendar based on the current time in the given time zone with the given locale...
GregorianCalendar(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, int32_t second, UErrorCode &success)
Constructs a GregorianCalendar with the given AD date and time set for the default time zone with the...
void pinDayOfMonth(void)
After adjustments such as add(MONTH), add(YEAR), we don't want the month to jump around.
GregorianCalendar(const TimeZone &zone, UErrorCode &success)
Constructs a GregorianCalendar based on the current time in the given time zone with the default loca...
virtual void roll(UCalendarDateFields field, int32_t amount, UErrorCode &status)
(Overrides Calendar) Rolls up or down by the given amount in the specified field.
GregorianCalendar(const GregorianCalendar &source)
Copy constructor.
virtual int32_t handleGetYearLength(int32_t eyear) const
Return the number of days in the given extended year of this calendar system.
virtual UBool haveDefaultCentury() const
virtual int32_t internalGetEra() const
Return the ERA.
virtual int32_t defaultCenturyStartYear() const
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.
virtual UBool isEquivalentTo(const Calendar &other) const
Returns true if the given Calendar object is equivalent to this one.
virtual int32_t handleGetExtendedYear()
Return the extended year defined by the current fields.
int32_t getActualMinimum(EDateFields field) const
Return the minimum value that this field could have, given the current date.
UBool isLeapYear(int32_t year) const
Return true if the given year is a leap year.
virtual const char * getType() const
Returns the calendar type name string for this Calendar object.
virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const
Subclass API for defining limits of different types.
virtual ~GregorianCalendar()
Destructor.
static UClassID getStaticClassID(void)
Return the class ID for this class.
virtual UBool inDaylightTime(UErrorCode &status) const
(Overrides Calendar) Return true if the current date for this Calendar is in Daylight Savings Time.
GregorianCalendar(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, UErrorCode &success)
Constructs a GregorianCalendar with the given AD date and time set for the default time zone with the...
virtual UDate getEpochDay(UErrorCode &status)
Return the day number with respect to the epoch.
virtual int32_t handleGetExtendedYearFromWeekFields(int32_t yearWoy, int32_t woy)
Subclasses may override this to convert from week fields (YEAR_WOY and WEEK_OF_YEAR) to an extended y...
virtual int32_t getActualMaximum(UCalendarDateFields field, UErrorCode &status) const
Return the maximum value that this field could have, given the current date.
int32_t yearLength(void) const
return the length of the year field.
virtual void roll(EDateFields field, int32_t amount, UErrorCode &status)
(Overrides Calendar) Rolls up or down by the given amount in the specified field.
GregorianCalendar & operator=(const GregorianCalendar &right)
Default assignment operator.
virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month, UBool useMonth) const
Return the Julian day number of day before the first day of the given month in the given extended yea...
GregorianCalendar(int32_t year, int32_t month, int32_t date, UErrorCode &success)
Constructs a GregorianCalendar with the given AD date set in the default time zone with the default l...
UDate getGregorianChange(void) const
Gets the Gregorian Calendar change date.
void setGregorianChange(UDate date, UErrorCode &success)
Sets the GregorianCalendar change date.
virtual void handleComputeFields(int32_t julianDay, UErrorCode &status)
Subclasses may override this method to compute several fields specific to each calendar system.
int32_t getActualMaximum(EDateFields field) const
Return the maximum value that this field could have, given the current date.
A Locale object represents a specific geographical, political, or cultural region.
TimeZone represents a time zone offset, and also figures out daylight savings.
UCalendarDateFields
Possible fields in a UCalendar.
int8_t UBool
The ICU boolean type, a signed-byte integer.
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Basic definitions for ICU, for both C and C++ APIs.
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside.
double UDate
Date and Time data type.