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rbtz.h
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1 /*
2 *******************************************************************************
3 * Copyright (C) 2007-2013, International Business Machines Corporation and *
4 * others. All Rights Reserved. *
5 *******************************************************************************
6 */
7 #ifndef RBTZ_H
8 #define RBTZ_H
9 
10 #include "unicode/utypes.h"
11 
17 #if !UCONFIG_NO_FORMATTING
18 
19 #include "unicode/basictz.h"
20 #include "unicode/unistr.h"
21 
23 
24 // forward declaration
25 class UVector;
26 struct Transition;
27 
35 public:
45  RuleBasedTimeZone(const UnicodeString& id, InitialTimeZoneRule* initialRule);
46 
52  RuleBasedTimeZone(const RuleBasedTimeZone& source);
53 
58  virtual ~RuleBasedTimeZone();
59 
66 
75  virtual UBool operator==(const TimeZone& that) const;
76 
85  virtual UBool operator!=(const TimeZone& that) const;
86 
102  void addTransitionRule(TimeZoneRule* rule, UErrorCode& status);
103 
113  void complete(UErrorCode& status);
114 
122  virtual TimeZone* clone(void) const;
123 
148  virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
149  uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const;
150 
170  virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
171  uint8_t dayOfWeek, int32_t millis,
172  int32_t monthLength, UErrorCode& status) const;
173 
196  virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
197  int32_t& dstOffset, UErrorCode& ec) const;
198 
206  virtual void setRawOffset(int32_t offsetMillis);
207 
215  virtual int32_t getRawOffset(void) const;
216 
223  virtual UBool useDaylightTime(void) const;
224 
238  virtual UBool inDaylightTime(UDate date, UErrorCode& status) const;
239 
248  virtual UBool hasSameRules(const TimeZone& other) const;
249 
258  virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
259 
268  virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
269 
278  virtual int32_t countTransitionRules(UErrorCode& status) const;
279 
296  virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
297  const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const;
298 
303  virtual void getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
304  int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const;
305 
306 private:
307  void deleteRules(void);
308  void deleteTransitions(void);
309  UVector* copyRules(UVector* source);
310  TimeZoneRule* findRuleInFinal(UDate date, UBool local,
311  int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt) const;
312  UBool findNext(UDate base, UBool inclusive, UDate& time, TimeZoneRule*& from, TimeZoneRule*& to) const;
313  UBool findPrev(UDate base, UBool inclusive, UDate& time, TimeZoneRule*& from, TimeZoneRule*& to) const;
314  int32_t getLocalDelta(int32_t rawBefore, int32_t dstBefore, int32_t rawAfter, int32_t dstAfter,
315  int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt) const;
316  UDate getTransitionTime(Transition* transition, UBool local,
317  int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt) const;
318  void getOffsetInternal(UDate date, UBool local, int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt,
319  int32_t& rawOffset, int32_t& dstOffset, UErrorCode& ec) const;
320  void completeConst(UErrorCode &status) const;
321 
322  InitialTimeZoneRule *fInitialRule;
323  UVector *fHistoricRules;
324  UVector *fFinalRules;
325  UVector *fHistoricTransitions;
326  UBool fUpToDate;
327 
328 public:
340  static UClassID U_EXPORT2 getStaticClassID(void);
341 
353  virtual UClassID getDynamicClassID(void) const;
354 };
355 
357 
358 #endif /* #if !UCONFIG_NO_FORMATTING */
359 
360 #endif // RBTZ_H
361 
362 //eof