ICU 4.8.1.1  4.8.1.1
vtzone.h
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00001 /*
00002 *******************************************************************************
00003 * Copyright (C) 2007-2010, International Business Machines Corporation and         *
00004 * others. All Rights Reserved.                                                *
00005 *******************************************************************************
00006 */
00007 #ifndef VTZONE_H
00008 #define VTZONE_H
00009 
00010 #include "unicode/utypes.h"
00011 
00017 #if !UCONFIG_NO_FORMATTING
00018 
00019 #include "unicode/basictz.h"
00020 
00021 U_NAMESPACE_BEGIN
00022 
00023 class VTZWriter;
00024 class VTZReader;
00025 class UVector;
00026 
00041 class U_I18N_API VTimeZone : public BasicTimeZone {
00042 public:
00048     VTimeZone(const VTimeZone& source);
00049 
00054     virtual ~VTimeZone();
00055 
00061     VTimeZone& operator=(const VTimeZone& right);
00062 
00071     virtual UBool operator==(const TimeZone& that) const;
00072 
00081     virtual UBool operator!=(const TimeZone& that) const;
00082 
00090     static VTimeZone* createVTimeZoneByID(const UnicodeString& ID);
00091 
00099     static VTimeZone* createVTimeZoneFromBasicTimeZone(const BasicTimeZone& basicTZ,
00100                                                        UErrorCode &status);
00101 
00111     static VTimeZone* createVTimeZone(const UnicodeString& vtzdata, UErrorCode& status);
00112 
00121     UBool getTZURL(UnicodeString& url) const;
00122 
00128     void setTZURL(const UnicodeString& url);
00129 
00138     UBool getLastModified(UDate& lastModified) const;
00139 
00145     void setLastModified(UDate lastModified);
00146 
00153     void write(UnicodeString& result, UErrorCode& status) const;
00154 
00163     void write(UDate start, UnicodeString& result, UErrorCode& status) /*const*/;
00164 
00178     void writeSimple(UDate time, UnicodeString& result, UErrorCode& status) /*const*/;
00179 
00186     virtual TimeZone* clone(void) const;
00187 
00212     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00213                               uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const;
00214 
00234     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00235                            uint8_t dayOfWeek, int32_t millis,
00236                            int32_t monthLength, UErrorCode& status) const;
00237 
00260     virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
00261                            int32_t& dstOffset, UErrorCode& ec) const;
00262 
00270     virtual void setRawOffset(int32_t offsetMillis);
00271 
00279     virtual int32_t getRawOffset(void) const;
00280 
00287     virtual UBool useDaylightTime(void) const;
00288 
00302     virtual UBool inDaylightTime(UDate date, UErrorCode& status) const;
00303 
00312     virtual UBool hasSameRules(const TimeZone& other) const;
00313 
00322     virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) /*const*/;
00323 
00332     virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) /*const*/;
00333 
00342     virtual int32_t countTransitionRules(UErrorCode& status) /*const*/;
00343 
00360     virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
00361         const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) /*const*/;
00362 
00363 private:
00364     enum { DEFAULT_VTIMEZONE_LINES = 100 };
00365 
00369     VTimeZone();
00370     static VTimeZone* createVTimeZone(VTZReader* reader);
00371     void write(VTZWriter& writer, UErrorCode& status) const;
00372     void write(UDate start, VTZWriter& writer, UErrorCode& status) /*const*/;
00373     void writeSimple(UDate time, VTZWriter& writer, UErrorCode& status) /*const*/;
00374     void load(VTZReader& reader, UErrorCode& status);
00375     void parse(UErrorCode& status);
00376 
00377     void writeZone(VTZWriter& w, BasicTimeZone& basictz, UVector* customProps,
00378         UErrorCode& status) const;
00379 
00380     void writeHeaders(VTZWriter& w, UErrorCode& status) const;
00381     void writeFooter(VTZWriter& writer, UErrorCode& status) const;
00382 
00383     void writeZonePropsByTime(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00384                               int32_t fromOffset, int32_t toOffset, UDate time, UBool withRDATE,
00385                               UErrorCode& status) const;
00386     void writeZonePropsByDOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00387                              int32_t fromOffset, int32_t toOffset,
00388                              int32_t month, int32_t dayOfMonth, UDate startTime, UDate untilTime,
00389                              UErrorCode& status) const;
00390     void writeZonePropsByDOW(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00391                              int32_t fromOffset, int32_t toOffset,
00392                              int32_t month, int32_t weekInMonth, int32_t dayOfWeek,
00393                              UDate startTime, UDate untilTime, UErrorCode& status) const;
00394     void writeZonePropsByDOW_GEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00395                                      int32_t fromOffset, int32_t toOffset,
00396                                      int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
00397                                      UDate startTime, UDate untilTime, UErrorCode& status) const;
00398     void writeZonePropsByDOW_GEQ_DOM_sub(VTZWriter& writer, int32_t month, int32_t dayOfMonth,
00399                                          int32_t dayOfWeek, int32_t numDays,
00400                                          UDate untilTime, int32_t fromOffset, UErrorCode& status) const;
00401     void writeZonePropsByDOW_LEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00402                                      int32_t fromOffset, int32_t toOffset,
00403                                      int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
00404                                      UDate startTime, UDate untilTime, UErrorCode& status) const;
00405     void writeFinalRule(VTZWriter& writer, UBool isDst, const AnnualTimeZoneRule* rule,
00406                         int32_t fromRawOffset, int32_t fromDSTSavings,
00407                         UDate startTime, UErrorCode& status) const;
00408 
00409     void beginZoneProps(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00410                         int32_t fromOffset, int32_t toOffset, UDate startTime, UErrorCode& status) const;
00411     void endZoneProps(VTZWriter& writer, UBool isDst, UErrorCode& status) const;
00412     void beginRRULE(VTZWriter& writer, int32_t month, UErrorCode& status) const;
00413     void appendUNTIL(VTZWriter& writer, const UnicodeString& until, UErrorCode& status) const;
00414 
00415     BasicTimeZone   *tz;
00416     UVector         *vtzlines;
00417     UnicodeString   tzurl;
00418     UDate           lastmod;
00419     UnicodeString   olsonzid;
00420     UnicodeString   icutzver;
00421 
00422 public:
00434     static UClassID U_EXPORT2 getStaticClassID(void);
00435 
00447     virtual UClassID getDynamicClassID(void) const;
00448 };
00449 
00450 U_NAMESPACE_END
00451 
00452 #endif /* #if !UCONFIG_NO_FORMATTING */
00453 
00454 #endif // VTZONE_H
00455 //eof
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