ICU 63.1 63.1

basictz.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 BASICTZ_H
10 #define BASICTZ_H
11
17 #include "unicode/utypes.h"
18
19 #if !UCONFIG_NO_FORMATTING
20
21 #include "unicode/timezone.h"
22 #include "unicode/tzrule.h"
23 #include "unicode/tztrans.h"
24
25 U_NAMESPACE_BEGIN
26
27 // forward declarations
28 class UVector;
29
36 class U_I18N_API BasicTimeZone: public TimeZone {
37 public:
42 virtual ~BasicTimeZone();
43
52 virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const = 0;
53
62 virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const = 0;
63
84 virtual UBool hasEquivalentTransitions(const BasicTimeZone& tz, UDate start, UDate end,
85 UBool ignoreDstAmount, UErrorCode& ec) const;
86
95 virtual int32_t countTransitionRules(UErrorCode& status) const = 0;
96
113 virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
114 const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const = 0;
115
142 virtual void getSimpleRulesNear(UDate date, InitialTimeZoneRule*& initial,
143 AnnualTimeZoneRule*& std, AnnualTimeZoneRule*& dst, UErrorCode& status) const;
144
145
146 #ifndef U_HIDE_INTERNAL_API
147
151 enum {
152 kStandard = 0x01,
153 kDaylight = 0x03,
154 kFormer = 0x04,
155 kLatter = 0x0C
156 };
157 #endif /* U_HIDE_INTERNAL_API */
158
163 virtual void getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
164 int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const;
165
166 protected:
167
168 #ifndef U_HIDE_INTERNAL_API
169
173 enum {
174 kStdDstMask = kDaylight,
175 kFormerLatterMask = kLatter
176 };
177 #endif /* U_HIDE_INTERNAL_API */
178
183 BasicTimeZone();
184
190 BasicTimeZone(const UnicodeString &id);
191
197 BasicTimeZone(const BasicTimeZone& source);
198
206 void getTimeZoneRulesAfter(UDate start, InitialTimeZoneRule*& initial, UVector*& transitionRules,
207 UErrorCode& status) const;
208 };
209
210 U_NAMESPACE_END
211
212 #endif /* #if !UCONFIG_NO_FORMATTING */
213
214 #endif // BASICTZ_H
215
216 //eof
timezone.h
C++ API: TimeZone object.
UDate
double UDate
Date and Time data type.
Definition: utypes.h:203
icu::TimeZone
TimeZone represents a time zone offset, and also figures out daylight savings.
Definition: timezone.h:131
tztrans.h
C++ API: Time zone transition.
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:301
icu::TimeZoneRule
TimeZoneRule is a class representing a rule for time zone.
Definition: tzrule.h:34
icu::InitialTimeZoneRule
InitialTimeZoneRule represents a time zone rule representing a time zone effective from the beginning...
Definition: tzrule.h:200
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:137
icu::TimeZoneTransition
TimeZoneTransition is a class representing a time zone transition.
Definition: tztrans.h:33
tzrule.h
C++ API: Time zone rule classes.
icu::BasicTimeZone
BasicTimeZone is an abstract class extending TimeZone.
Definition: basictz.h:36
icu::AnnualTimeZoneRule
AnnualTimeZoneRule is a class used for representing a time zone rule which takes effect annually...
Definition: tzrule.h:378
U_NAMESPACE_END
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:138
UErrorCode
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:401
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:289
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:225