ICU 67.1: rbtz.h Source File

00001 // © 2016 and later: Unicode, Inc. and others.
00002 // License & terms of use: http://www.unicode.org/copyright.html
00003 /*
00004 *******************************************************************************
00005 * Copyright (C) 2007-2013, International Business Machines Corporation and    *
00006 * others. All Rights Reserved.                                                *
00007 *******************************************************************************
00008 */
00009 #ifndef RBTZ_H
00010 #define RBTZ_H
00011 
00012 #include "unicode/utypes.h"
00013 
00014 #if U_SHOW_CPLUSPLUS_API
00015 
00021 #if !UCONFIG_NO_FORMATTING
00022 
00023 #include "unicode/basictz.h"
00024 #include "unicode/unistr.h"
00025 
00026 U_NAMESPACE_BEGIN
00027 
00028 // forward declaration
00029 class UVector;
00030 struct Transition;
00031 
00038 class U_I18N_API RuleBasedTimeZone : public BasicTimeZone {
00039 public:
00049     RuleBasedTimeZone(const UnicodeString& id, InitialTimeZoneRule* initialRule);
00050 
00056     RuleBasedTimeZone(const RuleBasedTimeZone& source);
00057 
00062     virtual ~RuleBasedTimeZone();
00063 
00069     RuleBasedTimeZone& operator=(const RuleBasedTimeZone& right);
00070 
00079     virtual UBool operator==(const TimeZone& that) const;
00080 
00089     virtual UBool operator!=(const TimeZone& that) const;
00090 
00106     void addTransitionRule(TimeZoneRule* rule, UErrorCode& status);
00107 
00117     void complete(UErrorCode& status);
00118 
00126     virtual RuleBasedTimeZone* clone() const;
00127 
00152     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00153                               uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const;
00154 
00174     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00175                            uint8_t dayOfWeek, int32_t millis,
00176                            int32_t monthLength, UErrorCode& status) const;
00177 
00200     virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
00201                            int32_t& dstOffset, UErrorCode& ec) const;
00202 
00210     virtual void setRawOffset(int32_t offsetMillis);
00211 
00219     virtual int32_t getRawOffset(void) const;
00220 
00227     virtual UBool useDaylightTime(void) const;
00228 
00229 #ifndef U_FORCE_HIDE_DEPRECATED_API
00230 
00243     virtual UBool inDaylightTime(UDate date, UErrorCode& status) const;
00244 #endif  // U_FORCE_HIDE_DEPRECATED_API
00245 
00254     virtual UBool hasSameRules(const TimeZone& other) const;
00255 
00264     virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
00265 
00274     virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
00275 
00284     virtual int32_t countTransitionRules(UErrorCode& status) const;
00285 
00302     virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
00303         const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const;
00304 
00309     virtual void getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
00310         int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const;
00311 
00312 private:
00313     void deleteRules(void);
00314     void deleteTransitions(void);
00315     UVector* copyRules(UVector* source);
00316     TimeZoneRule* findRuleInFinal(UDate date, UBool local,
00317         int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt) const;
00318     UBool findNext(UDate base, UBool inclusive, UDate& time, TimeZoneRule*& from, TimeZoneRule*& to) const;
00319     UBool findPrev(UDate base, UBool inclusive, UDate& time, TimeZoneRule*& from, TimeZoneRule*& to) const;
00320     int32_t getLocalDelta(int32_t rawBefore, int32_t dstBefore, int32_t rawAfter, int32_t dstAfter,
00321         int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt) const;
00322     UDate getTransitionTime(Transition* transition, UBool local,
00323         int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt) const;
00324     void getOffsetInternal(UDate date, UBool local, int32_t NonExistingTimeOpt, int32_t DuplicatedTimeOpt,
00325         int32_t& rawOffset, int32_t& dstOffset, UErrorCode& ec) const;
00326     void completeConst(UErrorCode &status) const;
00327 
00328     InitialTimeZoneRule *fInitialRule;
00329     UVector             *fHistoricRules;
00330     UVector             *fFinalRules;
00331     UVector             *fHistoricTransitions;
00332     UBool               fUpToDate;
00333 
00334 public:
00346     static UClassID U_EXPORT2 getStaticClassID(void);
00347 
00359     virtual UClassID getDynamicClassID(void) const;
00360 };
00361 
00362 U_NAMESPACE_END
00363 
00364 #endif /* #if !UCONFIG_NO_FORMATTING */
00365 
00366 #endif /* U_SHOW_CPLUSPLUS_API */
00367 
00368 #endif // RBTZ_H
00369 
00370 //eof