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diff --git a/deps/node/deps/icu-small/source/i18n/unicode/gregocal.h b/deps/node/deps/icu-small/source/i18n/unicode/gregocal.h deleted file mode 100644 index 1d881e0b..00000000 --- a/deps/node/deps/icu-small/source/i18n/unicode/gregocal.h +++ /dev/null @@ -1,778 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -* Copyright (C) 1997-2013, International Business Machines Corporation and others. -* All Rights Reserved. -******************************************************************************** -* -* File GREGOCAL.H -* -* Modification History: -* -* Date Name Description -* 04/22/97 aliu Overhauled header. -* 07/28/98 stephen Sync with JDK 1.2 -* 09/04/98 stephen Re-sync with JDK 8/31 putback -* 09/14/98 stephen Changed type of kOneDay, kOneWeek to double. -* Fixed bug in roll() -* 10/15/99 aliu Fixed j31, incorrect WEEK_OF_YEAR computation. -* Added documentation of WEEK_OF_YEAR computation. -* 10/15/99 aliu Fixed j32, cannot set date to Feb 29 2000 AD. -* {JDK bug 4210209 4209272} -* 11/07/2003 srl Update, clean up documentation. -******************************************************************************** -*/ - -#ifndef GREGOCAL_H -#define GREGOCAL_H - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_FORMATTING - -#include "unicode/calendar.h" - -/** - * \file - * \brief C++ API: Concrete class which provides the standard calendar. - */ - -U_NAMESPACE_BEGIN - -/** - * Concrete class which provides the standard calendar used by most of the world. - * <P> - * The standard (Gregorian) calendar has 2 eras, BC and AD. - * <P> - * This implementation handles a single discontinuity, which corresponds by default to - * the date the Gregorian calendar was originally instituted (October 15, 1582). Not all - * countries adopted the Gregorian calendar then, so this cutover date may be changed by - * the caller. - * <P> - * Prior to the institution of the Gregorian Calendar, New Year's Day was March 25. To - * avoid confusion, this Calendar always uses January 1. A manual adjustment may be made - * if desired for dates that are prior to the Gregorian changeover and which fall - * between January 1 and March 24. - * - * <p>Values calculated for the <code>WEEK_OF_YEAR</code> field range from 1 to - * 53. Week 1 for a year is the first week that contains at least - * <code>getMinimalDaysInFirstWeek()</code> days from that year. It thus - * depends on the values of <code>getMinimalDaysInFirstWeek()</code>, - * <code>getFirstDayOfWeek()</code>, and the day of the week of January 1. - * Weeks between week 1 of one year and week 1 of the following year are - * numbered sequentially from 2 to 52 or 53 (as needed). - * - * <p>For example, January 1, 1998 was a Thursday. If - * <code>getFirstDayOfWeek()</code> is <code>MONDAY</code> and - * <code>getMinimalDaysInFirstWeek()</code> is 4 (these are the values - * reflecting ISO 8601 and many national standards), then week 1 of 1998 starts - * on December 29, 1997, and ends on January 4, 1998. If, however, - * <code>getFirstDayOfWeek()</code> is <code>SUNDAY</code>, then week 1 of 1998 - * starts on January 4, 1998, and ends on January 10, 1998; the first three days - * of 1998 then are part of week 53 of 1997. - * - * <p>Example for using GregorianCalendar: - * <pre> - * \code - * // get the supported ids for GMT-08:00 (Pacific Standard Time) - * UErrorCode success = U_ZERO_ERROR; - * const StringEnumeration *ids = TimeZone::createEnumeration(-8 * 60 * 60 * 1000); - * // if no ids were returned, something is wrong. get out. - * if (ids == 0 || ids->count(success) == 0) { - * return; - * } - * - * // begin output - * cout << "Current Time" << endl; - * - * // create a Pacific Standard Time time zone - * SimpleTimeZone* pdt = new SimpleTimeZone(-8 * 60 * 60 * 1000, ids->unext(NULL, success))); - * - * // set up rules for daylight savings time - * pdt->setStartRule(UCAL_MARCH, 1, UCAL_SUNDAY, 2 * 60 * 60 * 1000); - * pdt->setEndRule(UCAL_NOVEMBER, 2, UCAL_SUNDAY, 2 * 60 * 60 * 1000); - * - * // create a GregorianCalendar with the Pacific Daylight time zone - * // and the current date and time - * Calendar* calendar = new GregorianCalendar( pdt, success ); - * - * // print out a bunch of interesting things - * cout << "ERA: " << calendar->get( UCAL_ERA, success ) << endl; - * cout << "YEAR: " << calendar->get( UCAL_YEAR, success ) << endl; - * cout << "MONTH: " << calendar->get( UCAL_MONTH, success ) << endl; - * cout << "WEEK_OF_YEAR: " << calendar->get( UCAL_WEEK_OF_YEAR, success ) << endl; - * cout << "WEEK_OF_MONTH: " << calendar->get( UCAL_WEEK_OF_MONTH, success ) << endl; - * cout << "DATE: " << calendar->get( UCAL_DATE, success ) << endl; - * cout << "DAY_OF_MONTH: " << calendar->get( UCAL_DAY_OF_MONTH, success ) << endl; - * cout << "DAY_OF_YEAR: " << calendar->get( UCAL_DAY_OF_YEAR, success ) << endl; - * cout << "DAY_OF_WEEK: " << calendar->get( UCAL_DAY_OF_WEEK, success ) << endl; - * cout << "DAY_OF_WEEK_IN_MONTH: " << calendar->get( UCAL_DAY_OF_WEEK_IN_MONTH, success ) << endl; - * cout << "AM_PM: " << calendar->get( UCAL_AM_PM, success ) << endl; - * cout << "HOUR: " << calendar->get( UCAL_HOUR, success ) << endl; - * cout << "HOUR_OF_DAY: " << calendar->get( UCAL_HOUR_OF_DAY, success ) << endl; - * cout << "MINUTE: " << calendar->get( UCAL_MINUTE, success ) << endl; - * cout << "SECOND: " << calendar->get( UCAL_SECOND, success ) << endl; - * cout << "MILLISECOND: " << calendar->get( UCAL_MILLISECOND, success ) << endl; - * cout << "ZONE_OFFSET: " << (calendar->get( UCAL_ZONE_OFFSET, success )/(60*60*1000)) << endl; - * cout << "DST_OFFSET: " << (calendar->get( UCAL_DST_OFFSET, success )/(60*60*1000)) << endl; - * - * cout << "Current Time, with hour reset to 3" << endl; - * calendar->clear(UCAL_HOUR_OF_DAY); // so doesn't override - * calendar->set(UCAL_HOUR, 3); - * cout << "ERA: " << calendar->get( UCAL_ERA, success ) << endl; - * cout << "YEAR: " << calendar->get( UCAL_YEAR, success ) << endl; - * cout << "MONTH: " << calendar->get( UCAL_MONTH, success ) << endl; - * cout << "WEEK_OF_YEAR: " << calendar->get( UCAL_WEEK_OF_YEAR, success ) << endl; - * cout << "WEEK_OF_MONTH: " << calendar->get( UCAL_WEEK_OF_MONTH, success ) << endl; - * cout << "DATE: " << calendar->get( UCAL_DATE, success ) << endl; - * cout << "DAY_OF_MONTH: " << calendar->get( UCAL_DAY_OF_MONTH, success ) << endl; - * cout << "DAY_OF_YEAR: " << calendar->get( UCAL_DAY_OF_YEAR, success ) << endl; - * cout << "DAY_OF_WEEK: " << calendar->get( UCAL_DAY_OF_WEEK, success ) << endl; - * cout << "DAY_OF_WEEK_IN_MONTH: " << calendar->get( UCAL_DAY_OF_WEEK_IN_MONTH, success ) << endl; - * cout << "AM_PM: " << calendar->get( UCAL_AM_PM, success ) << endl; - * cout << "HOUR: " << calendar->get( UCAL_HOUR, success ) << endl; - * cout << "HOUR_OF_DAY: " << calendar->get( UCAL_HOUR_OF_DAY, success ) << endl; - * cout << "MINUTE: " << calendar->get( UCAL_MINUTE, success ) << endl; - * cout << "SECOND: " << calendar->get( UCAL_SECOND, success ) << endl; - * cout << "MILLISECOND: " << calendar->get( UCAL_MILLISECOND, success ) << endl; - * cout << "ZONE_OFFSET: " << (calendar->get( UCAL_ZONE_OFFSET, success )/(60*60*1000)) << endl; // in hours - * cout << "DST_OFFSET: " << (calendar->get( UCAL_DST_OFFSET, success )/(60*60*1000)) << endl; // in hours - * - * if (U_FAILURE(success)) { - * cout << "An error occured. success=" << u_errorName(success) << endl; - * } - * - * delete ids; - * delete calendar; // also deletes pdt - * \endcode - * </pre> - * @stable ICU 2.0 - */ -class U_I18N_API GregorianCalendar: public Calendar { -public: - - /** - * Useful constants for GregorianCalendar and TimeZone. - * @stable ICU 2.0 - */ - enum EEras { - BC, - AD - }; - - /** - * Constructs a default GregorianCalendar using the current time in the default time - * zone with the default locale. - * - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - GregorianCalendar(UErrorCode& success); - - /** - * Constructs a GregorianCalendar based on the current time in the given time zone - * with the default locale. Clients are no longer responsible for deleting the given - * time zone object after it's adopted. - * - * @param zoneToAdopt The given timezone. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - GregorianCalendar(TimeZone* zoneToAdopt, UErrorCode& success); - - /** - * Constructs a GregorianCalendar based on the current time in the given time zone - * with the default locale. - * - * @param zone The given timezone. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - GregorianCalendar(const TimeZone& zone, UErrorCode& success); - - /** - * Constructs a GregorianCalendar based on the current time in the default time zone - * with the given locale. - * - * @param aLocale The given locale. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - GregorianCalendar(const Locale& aLocale, UErrorCode& success); - - /** - * Constructs a GregorianCalendar based on the current time in the given time zone - * with the given locale. Clients are no longer responsible for deleting the given - * time zone object after it's adopted. - * - * @param zoneToAdopt The given timezone. - * @param aLocale The given locale. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - 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. - * - * @param zone The given timezone. - * @param aLocale The given locale. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - GregorianCalendar(const TimeZone& zone, const Locale& aLocale, UErrorCode& success); - - /** - * Constructs a GregorianCalendar with the given AD date set in the default time - * zone with the default locale. - * - * @param year The value used to set the YEAR time field in the calendar. - * @param month The value used to set the MONTH time field in the calendar. Month - * value is 0-based. e.g., 0 for January. - * @param date The value used to set the DATE time field in the calendar. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - GregorianCalendar(int32_t year, int32_t month, int32_t date, UErrorCode& success); - - /** - * Constructs a GregorianCalendar with the given AD date and time set for the - * default time zone with the default locale. - * - * @param year The value used to set the YEAR time field in the calendar. - * @param month The value used to set the MONTH time field in the calendar. Month - * value is 0-based. e.g., 0 for January. - * @param date The value used to set the DATE time field in the calendar. - * @param hour The value used to set the HOUR_OF_DAY time field in the calendar. - * @param minute The value used to set the MINUTE time field in the calendar. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - 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 default locale. - * - * @param year The value used to set the YEAR time field in the calendar. - * @param month The value used to set the MONTH time field in the calendar. Month - * value is 0-based. e.g., 0 for January. - * @param date The value used to set the DATE time field in the calendar. - * @param hour The value used to set the HOUR_OF_DAY time field in the calendar. - * @param minute The value used to set the MINUTE time field in the calendar. - * @param second The value used to set the SECOND time field in the calendar. - * @param success Indicates the status of GregorianCalendar object construction. - * Returns U_ZERO_ERROR if constructed successfully. - * @stable ICU 2.0 - */ - GregorianCalendar(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, int32_t second, UErrorCode& success); - - /** - * Destructor - * @stable ICU 2.0 - */ - virtual ~GregorianCalendar(); - - /** - * Copy constructor - * @param source the object to be copied. - * @stable ICU 2.0 - */ - GregorianCalendar(const GregorianCalendar& source); - - /** - * Default assignment operator - * @param right the object to be copied. - * @stable ICU 2.0 - */ - GregorianCalendar& operator=(const GregorianCalendar& right); - - /** - * Create and return a polymorphic copy of this calendar. - * @return return a polymorphic copy of this calendar. - * @stable ICU 2.0 - */ - virtual Calendar* clone(void) const; - - /** - * Sets the GregorianCalendar change date. This is the point when the switch from - * Julian dates to Gregorian dates occurred. Default is 00:00:00 local time, October - * 15, 1582. Previous to this time and date will be Julian dates. - * - * @param date The given Gregorian cutover date. - * @param success Output param set to success/failure code on exit. - * @stable ICU 2.0 - */ - void setGregorianChange(UDate date, UErrorCode& success); - - /** - * Gets the Gregorian Calendar change date. This is the point when the switch from - * Julian dates to Gregorian dates occurred. Default is 00:00:00 local time, October - * 15, 1582. Previous to this time and date will be Julian dates. - * - * @return The Gregorian cutover time for this calendar. - * @stable ICU 2.0 - */ - UDate getGregorianChange(void) const; - - /** - * Return true if the given year is a leap year. Determination of whether a year is - * a leap year is actually very complicated. We do something crude and mostly - * correct here, but for a real determination you need a lot of contextual - * information. For example, in Sweden, the change from Julian to Gregorian happened - * in a complex way resulting in missed leap years and double leap years between - * 1700 and 1753. Another example is that after the start of the Julian calendar in - * 45 B.C., the leap years did not regularize until 8 A.D. This method ignores these - * quirks, and pays attention only to the Julian onset date and the Gregorian - * cutover (which can be changed). - * - * @param year The given year. - * @return True if the given year is a leap year; false otherwise. - * @stable ICU 2.0 - */ - UBool isLeapYear(int32_t year) const; - - /** - * Returns TRUE if the given Calendar object is equivalent to this - * one. Calendar override. - * - * @param other the Calendar to be compared with this Calendar - * @stable ICU 2.4 - */ - virtual UBool isEquivalentTo(const Calendar& other) const; - - /** - * (Overrides Calendar) Rolls up or down by the given amount in the specified field. - * For more information, see the documentation for Calendar::roll(). - * - * @param field The time field. - * @param amount Indicates amount to roll. - * @param status Output param set to success/failure code on exit. If any value - * previously set in the time field is invalid, this will be set to - * an error status. - * @deprecated ICU 2.6. Use roll(UCalendarDateFields field, int32_t amount, UErrorCode& status) instead. - */ - virtual void roll(EDateFields field, int32_t amount, UErrorCode& status); - - /** - * (Overrides Calendar) Rolls up or down by the given amount in the specified field. - * For more information, see the documentation for Calendar::roll(). - * - * @param field The time field. - * @param amount Indicates amount to roll. - * @param status Output param set to success/failure code on exit. If any value - * previously set in the time field is invalid, this will be set to - * an error status. - * @stable ICU 2.6. - */ - virtual void roll(UCalendarDateFields field, int32_t amount, UErrorCode& status); - -#ifndef U_HIDE_DEPRECATED_API - /** - * Return the minimum value that this field could have, given the current date. - * For the Gregorian calendar, this is the same as getMinimum() and getGreatestMinimum(). - * @param field the time field. - * @return the minimum value that this field could have, given the current date. - * @deprecated ICU 2.6. Use getActualMinimum(UCalendarDateFields field) instead. - */ - int32_t getActualMinimum(EDateFields field) const; - - /** - * Return the minimum value that this field could have, given the current date. - * For the Gregorian calendar, this is the same as getMinimum() and getGreatestMinimum(). - * @param field the time field. - * @param status - * @return the minimum value that this field could have, given the current date. - * @deprecated ICU 2.6. Use getActualMinimum(UCalendarDateFields field) instead. (Added to ICU 3.0 for signature consistency) - */ - int32_t getActualMinimum(EDateFields field, UErrorCode& status) const; -#endif /* U_HIDE_DEPRECATED_API */ - - /** - * Return the minimum value that this field could have, given the current date. - * For the Gregorian calendar, this is the same as getMinimum() and getGreatestMinimum(). - * @param field the time field. - * @param status error result. - * @return the minimum value that this field could have, given the current date. - * @stable ICU 3.0 - */ - int32_t getActualMinimum(UCalendarDateFields field, UErrorCode &status) const; - -#ifndef U_HIDE_DEPRECATED_API - /** - * Return the maximum value that this field could have, given the current date. - * For example, with the date "Feb 3, 1997" and the DAY_OF_MONTH field, the actual - * maximum would be 28; for "Feb 3, 1996" it s 29. Similarly for a Hebrew calendar, - * for some years the actual maximum for MONTH is 12, and for others 13. - * @param field the time field. - * @return the maximum value that this field could have, given the current date. - * @deprecated ICU 2.6. Use getActualMaximum(UCalendarDateFields field) instead. - */ - int32_t getActualMaximum(EDateFields field) const; -#endif /* U_HIDE_DEPRECATED_API */ - - /** - * Return the maximum value that this field could have, given the current date. - * For example, with the date "Feb 3, 1997" and the DAY_OF_MONTH field, the actual - * maximum would be 28; for "Feb 3, 1996" it s 29. Similarly for a Hebrew calendar, - * for some years the actual maximum for MONTH is 12, and for others 13. - * @param field the time field. - * @param status returns any errors that may result from this function call. - * @return the maximum value that this field could have, given the current date. - * @stable ICU 2.6 - */ - virtual int32_t getActualMaximum(UCalendarDateFields field, UErrorCode& status) const; - - /** - * (Overrides Calendar) Return true if the current date for this Calendar is in - * Daylight Savings Time. Recognizes DST_OFFSET, if it is set. - * - * @param status Fill-in parameter which receives the status of this operation. - * @return True if the current date for this Calendar is in Daylight Savings Time, - * false, otherwise. - * @stable ICU 2.0 - */ - virtual UBool inDaylightTime(UErrorCode& status) const; - -public: - - /** - * Override Calendar Returns a unique class ID POLYMORPHICALLY. Pure virtual - * override. This method is to implement a simple version of RTTI, since not all C++ - * compilers support genuine RTTI. Polymorphic operator==() and clone() methods call - * this method. - * - * @return The class ID for this object. All objects of a given class have the - * same class ID. Objects of other classes have different class IDs. - * @stable ICU 2.0 - */ - virtual UClassID getDynamicClassID(void) const; - - /** - * Return the class ID for this class. This is useful only for comparing to a return - * value from getDynamicClassID(). For example: - * - * Base* polymorphic_pointer = createPolymorphicObject(); - * if (polymorphic_pointer->getDynamicClassID() == - * Derived::getStaticClassID()) ... - * - * @return The class ID for all objects of this class. - * @stable ICU 2.0 - */ - static UClassID U_EXPORT2 getStaticClassID(void); - - /** - * Returns the calendar type name string for this Calendar object. - * The returned string is the legacy ICU calendar attribute value, - * for example, "gregorian" or "japanese". - * - * For more details see the Calendar::getType() documentation. - * - * @return legacy calendar type name string - * @stable ICU 49 - */ - virtual const char * getType() const; - - private: - GregorianCalendar(); // default constructor not implemented - - protected: - /** - * Return the ERA. We need a special method for this because the - * default ERA is AD, but a zero (unset) ERA is BC. - * @return the ERA. - * @internal - */ - virtual int32_t internalGetEra() const; - - /** - * Return the Julian day number of day before the first day of the - * given month in the given extended year. Subclasses should override - * this method to implement their calendar system. - * @param eyear the extended year - * @param month the zero-based month, or 0 if useMonth is false - * @param useMonth if false, compute the day before the first day of - * the given year, otherwise, compute the day before the first day of - * the given month - * @return the Julian day number of the day before the first - * day of the given month and year - * @internal - */ - virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month, - UBool useMonth) const; - - /** - * Subclasses may override this. This method calls - * handleGetMonthLength() to obtain the calendar-specific month - * length. - * @param bestField which field to use to calculate the date - * @return julian day specified by calendar fields. - * @internal - */ - virtual int32_t handleComputeJulianDay(UCalendarDateFields bestField) ; - - /** - * Return the number of days in the given month of the given extended - * year of this calendar system. Subclasses should override this - * method if they can provide a more correct or more efficient - * implementation than the default implementation in Calendar. - * @internal - */ - virtual int32_t handleGetMonthLength(int32_t extendedYear, int32_t month) const; - - /** - * Return the number of days in the given extended year of this - * calendar system. Subclasses should override this method if they can - * provide a more correct or more efficient implementation than the - * default implementation in Calendar. - * @stable ICU 2.0 - */ - virtual int32_t handleGetYearLength(int32_t eyear) const; - - /** - * return the length of the given month. - * @param month the given month. - * @return the length of the given month. - * @internal - */ - virtual int32_t monthLength(int32_t month) const; - - /** - * return the length of the month according to the given year. - * @param month the given month. - * @param year the given year. - * @return the length of the month - * @internal - */ - virtual int32_t monthLength(int32_t month, int32_t year) const; - -#ifndef U_HIDE_INTERNAL_API - /** - * return the length of the given year. - * @param year the given year. - * @return the length of the given year. - * @internal - */ - int32_t yearLength(int32_t year) const; - - /** - * return the length of the year field. - * @return the length of the year field - * @internal - */ - int32_t yearLength(void) const; - - /** - * After adjustments such as add(MONTH), add(YEAR), we don't want the - * month to jump around. E.g., we don't want Jan 31 + 1 month to go to Mar - * 3, we want it to go to Feb 28. Adjustments which might run into this - * problem call this method to retain the proper month. - * @internal - */ - void pinDayOfMonth(void); -#endif /* U_HIDE_INTERNAL_API */ - - /** - * Return the day number with respect to the epoch. January 1, 1970 (Gregorian) - * is day zero. - * @param status Fill-in parameter which receives the status of this operation. - * @return the day number with respect to the epoch. - * @internal - */ - virtual UDate getEpochDay(UErrorCode& status); - - /** - * Subclass API for defining limits of different types. - * Subclasses must implement this method to return limits for the - * following fields: - * - * <pre>UCAL_ERA - * UCAL_YEAR - * UCAL_MONTH - * UCAL_WEEK_OF_YEAR - * UCAL_WEEK_OF_MONTH - * UCAL_DATE (DAY_OF_MONTH on Java) - * UCAL_DAY_OF_YEAR - * UCAL_DAY_OF_WEEK_IN_MONTH - * UCAL_YEAR_WOY - * UCAL_EXTENDED_YEAR</pre> - * - * @param field one of the above field numbers - * @param limitType one of <code>MINIMUM</code>, <code>GREATEST_MINIMUM</code>, - * <code>LEAST_MAXIMUM</code>, or <code>MAXIMUM</code> - * @internal - */ - virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const; - - /** - * Return the extended year defined by the current fields. This will - * use the UCAL_EXTENDED_YEAR field or the UCAL_YEAR and supra-year fields (such - * as UCAL_ERA) specific to the calendar system, depending on which set of - * fields is newer. - * @return the extended year - * @internal - */ - virtual int32_t handleGetExtendedYear(); - - /** - * Subclasses may override this to convert from week fields - * (YEAR_WOY and WEEK_OF_YEAR) to an extended year in the case - * where YEAR, EXTENDED_YEAR are not set. - * The Gregorian implementation assumes a yearWoy in gregorian format, according to the current era. - * @return the extended year, UCAL_EXTENDED_YEAR - * @internal - */ - virtual int32_t handleGetExtendedYearFromWeekFields(int32_t yearWoy, int32_t woy); - - - /** - * Subclasses may override this method to compute several fields - * specific to each calendar system. These are: - * - * <ul><li>ERA - * <li>YEAR - * <li>MONTH - * <li>DAY_OF_MONTH - * <li>DAY_OF_YEAR - * <li>EXTENDED_YEAR</ul> - * - * <p>The GregorianCalendar implementation implements - * a calendar with the specified Julian/Gregorian cutover date. - * @internal - */ - virtual void handleComputeFields(int32_t julianDay, UErrorCode &status); - - private: - /** - * Compute the julian day number of the given year. - * @param isGregorian if true, using Gregorian calendar, otherwise using Julian calendar - * @param year the given year. - * @param isLeap true if the year is a leap year. - * @return - */ - static double computeJulianDayOfYear(UBool isGregorian, int32_t year, - UBool& isLeap); - - /** - * Validates the values of the set time fields. True if they're all valid. - * @return True if the set time fields are all valid. - */ - UBool validateFields(void) const; - - /** - * Validates the value of the given time field. True if it's valid. - */ - UBool boundsCheck(int32_t value, UCalendarDateFields field) const; - - /** - * Return the pseudo-time-stamp for two fields, given their - * individual pseudo-time-stamps. If either of the fields - * is unset, then the aggregate is unset. Otherwise, the - * aggregate is the later of the two stamps. - * @param stamp_a One given field. - * @param stamp_b Another given field. - * @return the pseudo-time-stamp for two fields - */ - int32_t aggregateStamp(int32_t stamp_a, int32_t stamp_b); - - /** - * The point at which the Gregorian calendar rules are used, measured in - * milliseconds from the standard epoch. Default is October 15, 1582 - * (Gregorian) 00:00:00 UTC, that is, October 4, 1582 (Julian) is followed - * by October 15, 1582 (Gregorian). This corresponds to Julian day number - * 2299161. This is measured from the standard epoch, not in Julian Days. - */ - UDate fGregorianCutover; - - /** - * Julian day number of the Gregorian cutover - */ - int32_t fCutoverJulianDay; - - /** - * Midnight, local time (using this Calendar's TimeZone) at or before the - * gregorianCutover. This is a pure date value with no time of day or - * timezone component. - */ - UDate fNormalizedGregorianCutover;// = gregorianCutover; - - /** - * The year of the gregorianCutover, with 0 representing - * 1 BC, -1 representing 2 BC, etc. - */ - int32_t fGregorianCutoverYear;// = 1582; - - /** - * The year of the gregorianCutover, with 0 representing - * 1 BC, -1 representing 2 BC, etc. - */ - int32_t fGregorianCutoverJulianDay;// = 2299161; - - /** - * Converts time as milliseconds to Julian date. The Julian date used here is not a - * true Julian date, since it is measured from midnight, not noon. - * - * @param millis The given milliseconds. - * @return The Julian date number. - */ - static double millisToJulianDay(UDate millis); - - /** - * Converts Julian date to time as milliseconds. The Julian date used here is not a - * true Julian date, since it is measured from midnight, not noon. - * - * @param julian The given Julian date number. - * @return Time as milliseconds. - */ - static UDate julianDayToMillis(double julian); - - /** - * Used by handleComputeJulianDay() and handleComputeMonthStart(). - * Temporary field indicating whether the calendar is currently Gregorian as opposed to Julian. - */ - UBool fIsGregorian; - - /** - * Used by handleComputeJulianDay() and handleComputeMonthStart(). - * Temporary field indicating that the sense of the gregorian cutover should be inverted - * to handle certain calculations on and around the cutover date. - */ - UBool fInvertGregorian; - - - public: // internal implementation - - /** - * @return TRUE if this calendar has the notion of a default century - * @internal - */ - virtual UBool haveDefaultCentury() const; - - /** - * @return the start of the default century - * @internal - */ - virtual UDate defaultCenturyStart() const; - - /** - * @return the beginning year of the default century - * @internal - */ - virtual int32_t defaultCenturyStartYear() const; -}; - -U_NAMESPACE_END - -#endif /* #if !UCONFIG_NO_FORMATTING */ - -#endif // _GREGOCAL -//eof |