vtzone.h

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00001 /*
00002 *******************************************************************************
00003 * Copyright (C) 2007-2009, 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 
00039 class U_I18N_API VTimeZone : public BasicTimeZone {
00040 public:
00046     VTimeZone(const VTimeZone& source);
00047 
00052     virtual ~VTimeZone();
00053 
00059     VTimeZone& operator=(const VTimeZone& right);
00060 
00069     virtual UBool operator==(const TimeZone& that) const;
00070 
00079     virtual UBool operator!=(const TimeZone& that) const;
00080 
00088     static VTimeZone* createVTimeZoneByID(const UnicodeString& ID);
00089 
00099     static VTimeZone* createVTimeZone(const UnicodeString& vtzdata, UErrorCode& status);
00100 
00109     UBool getTZURL(UnicodeString& url) const;
00110 
00116     void setTZURL(const UnicodeString& url);
00117 
00126     UBool getLastModified(UDate& lastModified) const;
00127 
00133     void setLastModified(UDate lastModified);
00134 
00141     void write(UnicodeString& result, UErrorCode& status) const;
00142 
00151     void write(UDate start, UnicodeString& result, UErrorCode& status) /*const*/;
00152 
00166     void writeSimple(UDate time, UnicodeString& result, UErrorCode& status) /*const*/;
00167 
00174     virtual TimeZone* clone(void) const;
00175 
00200     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00201                               uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const;
00202 
00222     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00223                            uint8_t dayOfWeek, int32_t millis,
00224                            int32_t monthLength, UErrorCode& status) const;
00225 
00248     virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
00249                            int32_t& dstOffset, UErrorCode& ec) const;
00250 
00258     virtual void setRawOffset(int32_t offsetMillis);
00259 
00267     virtual int32_t getRawOffset(void) const;
00268 
00275     virtual UBool useDaylightTime(void) const;
00276 
00290     virtual UBool inDaylightTime(UDate date, UErrorCode& status) const;
00291 
00300     virtual UBool hasSameRules(const TimeZone& other) const;
00301 
00310     virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) /*const*/;
00311 
00320     virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) /*const*/;
00321 
00330     virtual int32_t countTransitionRules(UErrorCode& status) /*const*/;
00331 
00348     virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
00349         const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) /*const*/;
00350 
00351 private:
00352     enum { DEFAULT_VTIMEZONE_LINES = 100 };
00353 
00357     VTimeZone();
00358     static VTimeZone* createVTimeZone(VTZReader* reader);
00359     void write(VTZWriter& writer, UErrorCode& status) const;
00360     void write(UDate start, VTZWriter& writer, UErrorCode& status) /*const*/;
00361     void writeSimple(UDate time, VTZWriter& writer, UErrorCode& status) /*const*/;
00362     void load(VTZReader& reader, UErrorCode& status);
00363     void parse(UErrorCode& status);
00364 
00365     void writeZone(VTZWriter& w, BasicTimeZone& basictz, UVector* customProps,
00366         UErrorCode& status) const;
00367 
00368     void writeHeaders(VTZWriter& w, UErrorCode& status) const;
00369     void writeFooter(VTZWriter& writer, UErrorCode& status) const;
00370 
00371     void writeZonePropsByTime(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00372                               int32_t fromOffset, int32_t toOffset, UDate time, UBool withRDATE,
00373                               UErrorCode& status) const;
00374     void writeZonePropsByDOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00375                              int32_t fromOffset, int32_t toOffset,
00376                              int32_t month, int32_t dayOfMonth, UDate startTime, UDate untilTime,
00377                              UErrorCode& status) const;
00378     void writeZonePropsByDOW(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00379                              int32_t fromOffset, int32_t toOffset,
00380                              int32_t month, int32_t weekInMonth, int32_t dayOfWeek,
00381                              UDate startTime, UDate untilTime, UErrorCode& status) const;
00382     void writeZonePropsByDOW_GEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00383                                      int32_t fromOffset, int32_t toOffset,
00384                                      int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
00385                                      UDate startTime, UDate untilTime, UErrorCode& status) const;
00386     void writeZonePropsByDOW_GEQ_DOM_sub(VTZWriter& writer, int32_t month, int32_t dayOfMonth,
00387                                          int32_t dayOfWeek, int32_t numDays,
00388                                          UDate untilTime, int32_t fromOffset, UErrorCode& status) const;
00389     void writeZonePropsByDOW_LEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00390                                      int32_t fromOffset, int32_t toOffset,
00391                                      int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
00392                                      UDate startTime, UDate untilTime, UErrorCode& status) const;
00393     void writeFinalRule(VTZWriter& writer, UBool isDst, const AnnualTimeZoneRule* rule,
00394                         int32_t fromRawOffset, int32_t fromDSTSavings,
00395                         UDate startTime, UErrorCode& status) const;
00396 
00397     void beginZoneProps(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00398                         int32_t fromOffset, int32_t toOffset, UDate startTime, UErrorCode& status) const;
00399     void endZoneProps(VTZWriter& writer, UBool isDst, UErrorCode& status) const;
00400     void beginRRULE(VTZWriter& writer, int32_t month, UErrorCode& status) const;
00401     void appendUNTIL(VTZWriter& writer, const UnicodeString& until, UErrorCode& status) const;
00402 
00403     BasicTimeZone   *tz;
00404     UVector         *vtzlines;
00405     UnicodeString   tzurl;
00406     UDate           lastmod;
00407     UnicodeString   olsonzid;
00408     UnicodeString   icutzver;
00409 
00410 public:
00422     static UClassID U_EXPORT2 getStaticClassID(void);
00423 
00435     virtual UClassID getDynamicClassID(void) const;
00436 };
00437 
00438 U_NAMESPACE_END
00439 
00440 #endif /* #if !UCONFIG_NO_FORMATTING */
00441 
00442 #endif // VTZONE_H
00443 //eof

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