ICU 78.2 78.2

vtzone.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 2007-2013, International Business Machines Corporation and
6 * others. All Rights Reserved.
7 *******************************************************************************
8 */
9 #ifndef VTZONE_H
10 #define VTZONE_H
11
12 #include "unicode/utypes.h"
13
14 #if U_SHOW_CPLUSPLUS_API
15
21 #if !UCONFIG_NO_FORMATTING
22
23 #include "unicode/basictz.h"
24
25 U_NAMESPACE_BEGIN
26
27 class VTZWriter;
28 class VTZReader;
29 class UVector;
30
45 class U_I18N_API VTimeZone : public BasicTimeZone {
46 public:
52 VTimeZone(const VTimeZone& source);
53
58 virtual ~VTimeZone();
59
65 VTimeZone& operator=(const VTimeZone& right);
66
75 virtual bool operator==(const TimeZone& that) const override;
76
85 virtual bool operator!=(const TimeZone& that) const;
86
94 static VTimeZone* createVTimeZoneByID(const UnicodeString& ID);
95
103 static VTimeZone* createVTimeZoneFromBasicTimeZone(const BasicTimeZone& basicTZ,
104 UErrorCode &status);
105
115 static VTimeZone* createVTimeZone(const UnicodeString& vtzdata, UErrorCode& status);
116
125 UBool getTZURL(UnicodeString& url) const;
126
132 void setTZURL(const UnicodeString& url);
133
142 UBool getLastModified(UDate& lastModified) const;
143
149 void setLastModified(UDate lastModified);
150
157 void write(UnicodeString& result, UErrorCode& status) const;
158
167 void write(UDate start, UnicodeString& result, UErrorCode& status) const;
168
182 void writeSimple(UDate time, UnicodeString& result, UErrorCode& status) const;
183
190 virtual VTimeZone* clone() const override;
191
216 virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
217 uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const override;
218
238 virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
239 uint8_t dayOfWeek, int32_t millis,
240 int32_t monthLength, UErrorCode& status) const override;
241
264 virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
265 int32_t& dstOffset, UErrorCode& ec) const override;
266
271 virtual void getOffsetFromLocal(
272 UDate date, UTimeZoneLocalOption nonExistingTimeOpt,
273 UTimeZoneLocalOption duplicatedTimeOpt,
274 int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const override;
275
283 virtual void setRawOffset(int32_t offsetMillis) override;
284
292 virtual int32_t getRawOffset() const override;
293
300 virtual UBool useDaylightTime() const override;
301
302 #ifndef U_FORCE_HIDE_DEPRECATED_API
316 virtual UBool inDaylightTime(UDate date, UErrorCode& status) const override;
317 #endif // U_FORCE_HIDE_DEPRECATED_API
318
327 virtual UBool hasSameRules(const TimeZone& other) const override;
328
337 virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const override;
338
347 virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const override;
348
357 virtual int32_t countTransitionRules(UErrorCode& status) const override;
358
375 virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
376 const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const override;
377
378 private:
379 enum { DEFAULT_VTIMEZONE_LINES = 100 };
380
384 VTimeZone();
385 void write(VTZWriter& writer, UErrorCode& status) const;
386 void write(UDate start, VTZWriter& writer, UErrorCode& status) const;
387 void writeSimple(UDate time, VTZWriter& writer, UErrorCode& status) const;
388 void load(VTZReader& reader, UErrorCode& status);
389 void parse(UErrorCode& status);
390
391 void writeZone(VTZWriter& w, BasicTimeZone& basictz, UVector* customProps,
392 UErrorCode& status) const;
393
394 void writeHeaders(VTZWriter& w, UErrorCode& status) const;
395 void writeFooter(VTZWriter& writer, UErrorCode& status) const;
396
397 void writeZonePropsByTime(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
398 int32_t fromOffset, int32_t toOffset, UDate time, UBool withRDATE,
399 UErrorCode& status) const;
400 void writeZonePropsByDOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
401 int32_t fromOffset, int32_t toOffset,
402 int32_t month, int32_t dayOfMonth, UDate startTime, UDate untilTime,
403 UErrorCode& status) const;
404 void writeZonePropsByDOW(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
405 int32_t fromOffset, int32_t toOffset,
406 int32_t month, int32_t weekInMonth, int32_t dayOfWeek,
407 UDate startTime, UDate untilTime, UErrorCode& status) const;
408 void writeZonePropsByDOW_GEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
409 int32_t fromOffset, int32_t toOffset,
410 int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
411 UDate startTime, UDate untilTime, UErrorCode& status) const;
412 void writeZonePropsByDOW_GEQ_DOM_sub(VTZWriter& writer, int32_t month, int32_t dayOfMonth,
413 int32_t dayOfWeek, int32_t numDays,
414 UDate untilTime, int32_t fromOffset, UErrorCode& status) const;
415 void writeZonePropsByDOW_LEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
416 int32_t fromOffset, int32_t toOffset,
417 int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
418 UDate startTime, UDate untilTime, UErrorCode& status) const;
419 void writeFinalRule(VTZWriter& writer, UBool isDst, const AnnualTimeZoneRule* rule,
420 int32_t fromRawOffset, int32_t fromDSTSavings,
421 UDate startTime, UErrorCode& status) const;
422
423 void beginZoneProps(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
424 int32_t fromOffset, int32_t toOffset, UDate startTime, UErrorCode& status) const;
425 void endZoneProps(VTZWriter& writer, UBool isDst, UErrorCode& status) const;
426 void beginRRULE(VTZWriter& writer, int32_t month, UErrorCode& status) const;
427 void appendUNTIL(VTZWriter& writer, const UnicodeString& until, UErrorCode& status) const;
428
429 BasicTimeZone *tz;
430 UVector *vtzlines;
431 UnicodeString tzurl;
432 UDate lastmod;
433 UnicodeString olsonzid;
434 UnicodeString icutzver;
435
436 public:
448 static UClassID U_EXPORT2 getStaticClassID();
449
461 virtual UClassID getDynamicClassID() const override;
462 };
463
464 U_NAMESPACE_END
465
466 #endif /* #if !UCONFIG_NO_FORMATTING */
467
468 #endif /* U_SHOW_CPLUSPLUS_API */
469
470 #endif // VTZONE_H
471 //eof
basictz.h
C++ API: ICU TimeZone base class.
icu::AnnualTimeZoneRule
AnnualTimeZoneRule is a class used for representing a time zone rule which takes effect annually.
Definition: tzrule.h:366
icu::BasicTimeZone
BasicTimeZone is an abstract class extending TimeZone.
Definition: basictz.h:38
icu::InitialTimeZoneRule
InitialTimeZoneRule represents a time zone rule representing a time zone effective from the beginning...
Definition: tzrule.h:202
icu::TimeZoneRule
TimeZoneRule is a class representing a rule for time zone.
Definition: tzrule.h:36
icu::TimeZoneTransition
TimeZoneTransition is a class representing a time zone transition.
Definition: tztrans.h:35
icu::TimeZone
TimeZone represents a time zone offset, and also figures out daylight savings.
Definition: timezone.h:133
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:303
icu::VTimeZone
VTimeZone is a class implementing RFC2445 VTIMEZONE.
Definition: vtzone.h:45
icu::VTimeZone::getDynamicClassID
virtual UClassID getDynamicClassID() const override
Returns a unique class ID POLYMORPHICALLY.
icu::VTimeZone::getOffset
virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day, uint8_t dayOfWeek, int32_t millis, int32_t monthLength, UErrorCode &status) const override
Gets the time zone offset, for current date, modified in case of daylight savings.
icu::VTimeZone::createVTimeZone
static VTimeZone * createVTimeZone(const UnicodeString &vtzdata, UErrorCode &status)
Create a VTimeZone instance by RFC2445 VTIMEZONE data.
icu::VTimeZone::operator==
virtual bool operator==(const TimeZone &that) const override
Return true if the given TimeZone objects are semantically equal.
icu::VTimeZone::getTZURL
UBool getTZURL(UnicodeString &url) const
Gets the RFC2445 TZURL property value.
icu::VTimeZone::createVTimeZoneFromBasicTimeZone
static VTimeZone * createVTimeZoneFromBasicTimeZone(const BasicTimeZone &basicTZ, UErrorCode &status)
Create a VTimeZone instance using a basic time zone.
icu::VTimeZone::getOffset
virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day, uint8_t dayOfWeek, int32_t millis, UErrorCode &status) const override
Returns the TimeZone's adjusted GMT offset (i.e., the number of milliseconds to add to GMT to get loc...
icu::VTimeZone::countTransitionRules
virtual int32_t countTransitionRules(UErrorCode &status) const override
Returns the number of TimeZoneRules which represents time transitions, for this time zone,...
icu::VTimeZone::inDaylightTime
virtual UBool inDaylightTime(UDate date, UErrorCode &status) const override
Queries if the given date is in daylight savings time in this time zone.
icu::VTimeZone::writeSimple
void writeSimple(UDate time, UnicodeString &result, UErrorCode &status) const
Writes RFC2445 VTIMEZONE data applicable for the specified date.
icu::VTimeZone::hasSameRules
virtual UBool hasSameRules(const TimeZone &other) const override
Returns true if this zone has the same rule and offset as another zone.
icu::VTimeZone::write
void write(UDate start, UnicodeString &result, UErrorCode &status) const
Writes RFC2445 VTIMEZONE data for this time zone applicable for dates after the specified start time.
icu::VTimeZone::getNextTransition
virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition &result) const override
Gets the first time zone transition after the base time.
icu::VTimeZone::getStaticClassID
static UClassID getStaticClassID()
Return the class ID for this class.
icu::VTimeZone::setRawOffset
virtual void setRawOffset(int32_t offsetMillis) override
Sets the TimeZone's raw GMT offset (i.e., the number of milliseconds to add to GMT to get local time,...
icu::VTimeZone::createVTimeZoneByID
static VTimeZone * createVTimeZoneByID(const UnicodeString &ID)
Create a VTimeZone instance by the time zone ID.
icu::VTimeZone::getRawOffset
virtual int32_t getRawOffset() const override
Returns the TimeZone's raw GMT offset (i.e., the number of milliseconds to add to GMT to get local ti...
icu::VTimeZone::write
void write(UnicodeString &result, UErrorCode &status) const
Writes RFC2445 VTIMEZONE data for this time zone.
icu::VTimeZone::setLastModified
void setLastModified(UDate lastModified)
Sets the RFC2445 LAST-MODIFIED property value.
icu::VTimeZone::getOffsetFromLocal
virtual void getOffsetFromLocal(UDate date, UTimeZoneLocalOption nonExistingTimeOpt, UTimeZoneLocalOption duplicatedTimeOpt, int32_t &rawOffset, int32_t &dstOffset, UErrorCode &status) const override
Get time zone offsets from local wall time.
icu::VTimeZone::operator!=
virtual bool operator!=(const TimeZone &that) const
Return true if the given TimeZone objects are semantically unequal.
icu::VTimeZone::setTZURL
void setTZURL(const UnicodeString &url)
Sets the RFC2445 TZURL property value.
icu::VTimeZone::~VTimeZone
virtual ~VTimeZone()
Destructor.
icu::VTimeZone::getLastModified
UBool getLastModified(UDate &lastModified) const
Gets the RFC2445 LAST-MODIFIED property value.
icu::VTimeZone::useDaylightTime
virtual UBool useDaylightTime() const override
Queries if this time zone uses daylight savings time.
icu::VTimeZone::getOffset
virtual void getOffset(UDate date, UBool local, int32_t &rawOffset, int32_t &dstOffset, UErrorCode &ec) const override
Returns the time zone raw and GMT offset for the given moment in time.
icu::VTimeZone::clone
virtual VTimeZone * clone() const override
Clones TimeZone objects polymorphically.
icu::VTimeZone::operator=
VTimeZone & operator=(const VTimeZone &right)
Assignment operator.
icu::VTimeZone::VTimeZone
VTimeZone(const VTimeZone &source)
Copy constructor.
icu::VTimeZone::getPreviousTransition
virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition &result) const override
Gets the most recent time zone transition before the base time.
icu::VTimeZone::getTimeZoneRules
virtual void getTimeZoneRules(const InitialTimeZoneRule *&initial, const TimeZoneRule *trsrules[], int32_t &trscount, UErrorCode &status) const override
Gets the InitialTimeZoneRule and the set of TimeZoneRule which represent time transitions for this ti...
UTimeZoneLocalOption
UTimeZoneLocalOption
Options used by ucal_getTimeZoneOffsetFromLocal and BasicTimeZone::getOffsetFromLocal() to specify ho...
Definition: ucal.h:1682
UBool
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition: umachine.h:269
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:96
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
UErrorCode
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:509
U_I18N_API
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside.
Definition: utypes.h:316
UDate
double UDate
Date and Time data type.
Definition: utypes.h:218