ICU 63.1: vtzone.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 VTZONE_H
00010 #define VTZONE_H
00011 
00012 #include "unicode/utypes.h"
00013 
00019 #if !UCONFIG_NO_FORMATTING
00020 
00021 #include "unicode/basictz.h"
00022 
00023 U_NAMESPACE_BEGIN
00024 
00025 class VTZWriter;
00026 class VTZReader;
00027 class UVector;
00028 
00043 class U_I18N_API VTimeZone : public BasicTimeZone {
00044 public:
00050     VTimeZone(const VTimeZone& source);
00051 
00056     virtual ~VTimeZone();
00057 
00063     VTimeZone& operator=(const VTimeZone& right);
00064 
00073     virtual UBool operator==(const TimeZone& that) const;
00074 
00083     virtual UBool operator!=(const TimeZone& that) const;
00084 
00092     static VTimeZone* createVTimeZoneByID(const UnicodeString& ID);
00093 
00101     static VTimeZone* createVTimeZoneFromBasicTimeZone(const BasicTimeZone& basicTZ,
00102                                                        UErrorCode &status);
00103 
00113     static VTimeZone* createVTimeZone(const UnicodeString& vtzdata, UErrorCode& status);
00114 
00123     UBool getTZURL(UnicodeString& url) const;
00124 
00130     void setTZURL(const UnicodeString& url);
00131 
00140     UBool getLastModified(UDate& lastModified) const;
00141 
00147     void setLastModified(UDate lastModified);
00148 
00155     void write(UnicodeString& result, UErrorCode& status) const;
00156 
00165     void write(UDate start, UnicodeString& result, UErrorCode& status) const;
00166 
00180     void writeSimple(UDate time, UnicodeString& result, UErrorCode& status) const;
00181 
00188     virtual TimeZone* clone(void) const;
00189 
00214     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00215                               uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const;
00216 
00236     virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
00237                            uint8_t dayOfWeek, int32_t millis,
00238                            int32_t monthLength, UErrorCode& status) const;
00239 
00262     virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
00263                            int32_t& dstOffset, UErrorCode& ec) const;
00264 
00272     virtual void setRawOffset(int32_t offsetMillis);
00273 
00281     virtual int32_t getRawOffset(void) const;
00282 
00289     virtual UBool useDaylightTime(void) const;
00290 
00304     virtual UBool inDaylightTime(UDate date, UErrorCode& status) const;
00305 
00314     virtual UBool hasSameRules(const TimeZone& other) const;
00315 
00324     virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
00325 
00334     virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
00335 
00344     virtual int32_t countTransitionRules(UErrorCode& status) const;
00345 
00362     virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
00363         const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const;
00364 
00365 private:
00366     enum { DEFAULT_VTIMEZONE_LINES = 100 };
00367 
00371     VTimeZone();
00372     static VTimeZone* createVTimeZone(VTZReader* reader);
00373     void write(VTZWriter& writer, UErrorCode& status) const;
00374     void write(UDate start, VTZWriter& writer, UErrorCode& status) const;
00375     void writeSimple(UDate time, VTZWriter& writer, UErrorCode& status) const;
00376     void load(VTZReader& reader, UErrorCode& status);
00377     void parse(UErrorCode& status);
00378 
00379     void writeZone(VTZWriter& w, BasicTimeZone& basictz, UVector* customProps,
00380         UErrorCode& status) const;
00381 
00382     void writeHeaders(VTZWriter& w, UErrorCode& status) const;
00383     void writeFooter(VTZWriter& writer, UErrorCode& status) const;
00384 
00385     void writeZonePropsByTime(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00386                               int32_t fromOffset, int32_t toOffset, UDate time, UBool withRDATE,
00387                               UErrorCode& status) const;
00388     void writeZonePropsByDOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00389                              int32_t fromOffset, int32_t toOffset,
00390                              int32_t month, int32_t dayOfMonth, UDate startTime, UDate untilTime,
00391                              UErrorCode& status) const;
00392     void writeZonePropsByDOW(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00393                              int32_t fromOffset, int32_t toOffset,
00394                              int32_t month, int32_t weekInMonth, int32_t dayOfWeek,
00395                              UDate startTime, UDate untilTime, UErrorCode& status) const;
00396     void writeZonePropsByDOW_GEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00397                                      int32_t fromOffset, int32_t toOffset,
00398                                      int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
00399                                      UDate startTime, UDate untilTime, UErrorCode& status) const;
00400     void writeZonePropsByDOW_GEQ_DOM_sub(VTZWriter& writer, int32_t month, int32_t dayOfMonth,
00401                                          int32_t dayOfWeek, int32_t numDays,
00402                                          UDate untilTime, int32_t fromOffset, UErrorCode& status) const;
00403     void writeZonePropsByDOW_LEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00404                                      int32_t fromOffset, int32_t toOffset,
00405                                      int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
00406                                      UDate startTime, UDate untilTime, UErrorCode& status) const;
00407     void writeFinalRule(VTZWriter& writer, UBool isDst, const AnnualTimeZoneRule* rule,
00408                         int32_t fromRawOffset, int32_t fromDSTSavings,
00409                         UDate startTime, UErrorCode& status) const;
00410 
00411     void beginZoneProps(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
00412                         int32_t fromOffset, int32_t toOffset, UDate startTime, UErrorCode& status) const;
00413     void endZoneProps(VTZWriter& writer, UBool isDst, UErrorCode& status) const;
00414     void beginRRULE(VTZWriter& writer, int32_t month, UErrorCode& status) const;
00415     void appendUNTIL(VTZWriter& writer, const UnicodeString& until, UErrorCode& status) const;
00416 
00417     BasicTimeZone   *tz;
00418     UVector         *vtzlines;
00419     UnicodeString   tzurl;
00420     UDate           lastmod;
00421     UnicodeString   olsonzid;
00422     UnicodeString   icutzver;
00423 
00424 public:
00436     static UClassID U_EXPORT2 getStaticClassID(void);
00437 
00449     virtual UClassID getDynamicClassID(void) const;
00450 };
00451 
00452 U_NAMESPACE_END
00453 
00454 #endif /* #if !UCONFIG_NO_FORMATTING */
00455 
00456 #endif // VTZONE_H
00457 //eof