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gregocal.h
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1 /*
2 * Copyright (C) 1997-2013, International Business Machines Corporation and others.
3 * All Rights Reserved.
4 ********************************************************************************
5 *
6 * File GREGOCAL.H
7 *
8 * Modification History:
9 *
10 * Date Name Description
11 * 04/22/97 aliu Overhauled header.
12 * 07/28/98 stephen Sync with JDK 1.2
13 * 09/04/98 stephen Re-sync with JDK 8/31 putback
14 * 09/14/98 stephen Changed type of kOneDay, kOneWeek to double.
15 * Fixed bug in roll()
16 * 10/15/99 aliu Fixed j31, incorrect WEEK_OF_YEAR computation.
17 * Added documentation of WEEK_OF_YEAR computation.
18 * 10/15/99 aliu Fixed j32, cannot set date to Feb 29 2000 AD.
19 * {JDK bug 4210209 4209272}
20 * 11/07/2003 srl Update, clean up documentation.
21 ********************************************************************************
22 */
23 
24 #ifndef GREGOCAL_H
25 #define GREGOCAL_H
26 
27 #include "unicode/utypes.h"
28 
29 #if !UCONFIG_NO_FORMATTING
30 
31 #include "unicode/calendar.h"
32 
39 
150 public:
151 
156  enum EEras {
157  BC,
158  AD
159  };
160 
169  GregorianCalendar(UErrorCode& success);
170 
181  GregorianCalendar(TimeZone* zoneToAdopt, UErrorCode& success);
182 
192  GregorianCalendar(const TimeZone& zone, UErrorCode& success);
193 
203  GregorianCalendar(const Locale& aLocale, UErrorCode& success);
204 
216  GregorianCalendar(TimeZone* zoneToAdopt, const Locale& aLocale, UErrorCode& success);
217 
228  GregorianCalendar(const TimeZone& zone, const Locale& aLocale, UErrorCode& success);
229 
242  GregorianCalendar(int32_t year, int32_t month, int32_t date, UErrorCode& success);
243 
258  GregorianCalendar(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, UErrorCode& success);
259 
275  GregorianCalendar(int32_t year, int32_t month, int32_t date, int32_t hour, int32_t minute, int32_t second, UErrorCode& success);
276 
281  virtual ~GregorianCalendar();
282 
288  GregorianCalendar(const GregorianCalendar& source);
289 
296 
302  virtual Calendar* clone(void) const;
303 
313  void setGregorianChange(UDate date, UErrorCode& success);
314 
323  UDate getGregorianChange(void) const;
324 
340  UBool isLeapYear(int32_t year) const;
341 
349  virtual UBool isEquivalentTo(const Calendar& other) const;
350 
362  virtual void roll(EDateFields field, int32_t amount, UErrorCode& status);
363 
375  virtual void roll(UCalendarDateFields field, int32_t amount, UErrorCode& status);
376 
377 #ifndef U_HIDE_DEPRECATED_API
378 
385  int32_t getActualMinimum(EDateFields field) const;
386 
395  int32_t getActualMinimum(EDateFields field, UErrorCode& status) const;
396 #endif /* U_HIDE_DEPRECATED_API */
397 
406  int32_t getActualMinimum(UCalendarDateFields field, UErrorCode &status) const;
407 
408 #ifndef U_HIDE_DEPRECATED_API
409 
418  int32_t getActualMaximum(EDateFields field) const;
419 #endif /* U_HIDE_DEPRECATED_API */
420 
431  virtual int32_t getActualMaximum(UCalendarDateFields field, UErrorCode& status) const;
432 
442  virtual UBool inDaylightTime(UErrorCode& status) const;
443 
444 public:
445 
456  virtual UClassID getDynamicClassID(void) const;
457 
469  static UClassID U_EXPORT2 getStaticClassID(void);
470 
481  virtual const char * getType() const;
482 
483  private:
484  GregorianCalendar(); // default constructor not implemented
485 
486  protected:
493  virtual int32_t internalGetEra() const;
494 
508  virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month,
509  UBool useMonth) const;
510 
519  virtual int32_t handleComputeJulianDay(UCalendarDateFields bestField) ;
520 
528  virtual int32_t handleGetMonthLength(int32_t extendedYear, int32_t month) const;
529 
537  virtual int32_t handleGetYearLength(int32_t eyear) const;
538 
545  virtual int32_t monthLength(int32_t month) const;
546 
554  virtual int32_t monthLength(int32_t month, int32_t year) const;
555 
556 #ifndef U_HIDE_INTERNAL_API
557 
563  int32_t yearLength(int32_t year) const;
564 
570  int32_t yearLength(void) const;
571 
579  void pinDayOfMonth(void);
580 #endif /* U_HIDE_INTERNAL_API */
581 
589  virtual UDate getEpochDay(UErrorCode& status);
590 
612  virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const;
613 
622  virtual int32_t handleGetExtendedYear();
623 
632  virtual int32_t handleGetExtendedYearFromWeekFields(int32_t yearWoy, int32_t woy);
633 
634 
650  virtual void handleComputeFields(int32_t julianDay, UErrorCode &status);
651 
652  private:
660  static double computeJulianDayOfYear(UBool isGregorian, int32_t year,
661  UBool& isLeap);
662 
667  UBool validateFields(void) const;
668 
672  UBool boundsCheck(int32_t value, UCalendarDateFields field) const;
673 
683  int32_t aggregateStamp(int32_t stamp_a, int32_t stamp_b);
684 
692  UDate fGregorianCutover;
693 
697  int32_t fCutoverJulianDay;
698 
704  UDate fNormalizedGregorianCutover;// = gregorianCutover;
705 
710  int32_t fGregorianCutoverYear;// = 1582;
711 
716  int32_t fGregorianCutoverJulianDay;// = 2299161;
717 
725  static double millisToJulianDay(UDate millis);
726 
734  static UDate julianDayToMillis(double julian);
735 
740  UBool fIsGregorian;
741 
747  UBool fInvertGregorian;
748 
749 
750  public: // internal implementation
751 
756  virtual UBool haveDefaultCentury() const;
757 
762  virtual UDate defaultCenturyStart() const;
763 
768  virtual int32_t defaultCenturyStartYear() const;
769 };
770 
772 
773 #endif /* #if !UCONFIG_NO_FORMATTING */
774 
775 #endif // _GREGOCAL
776 //eof
777