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annotate CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/unicode/vtzone.h @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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jpayne@69 1 // © 2016 and later: Unicode, Inc. and others.
jpayne@69 2 // License & terms of use: http://www.unicode.org/copyright.html
jpayne@69 3 /*
jpayne@69 4 *******************************************************************************
jpayne@69 5 * Copyright (C) 2007-2013, International Business Machines Corporation and
jpayne@69 6 * others. All Rights Reserved.
jpayne@69 7 *******************************************************************************
jpayne@69 8 */
jpayne@69 9 #ifndef VTZONE_H
jpayne@69 10 #define VTZONE_H
jpayne@69 11
jpayne@69 12 #include "unicode/utypes.h"
jpayne@69 13
jpayne@69 14 #if U_SHOW_CPLUSPLUS_API
jpayne@69 15
jpayne@69 16 /**
jpayne@69 17 * \file
jpayne@69 18 * \brief C++ API: RFC2445 VTIMEZONE support
jpayne@69 19 */
jpayne@69 20
jpayne@69 21 #if !UCONFIG_NO_FORMATTING
jpayne@69 22
jpayne@69 23 #include "unicode/basictz.h"
jpayne@69 24
jpayne@69 25 U_NAMESPACE_BEGIN
jpayne@69 26
jpayne@69 27 class VTZWriter;
jpayne@69 28 class VTZReader;
jpayne@69 29 class UVector;
jpayne@69 30
jpayne@69 31 /**
jpayne@69 32 * <code>VTimeZone</code> is a class implementing RFC2445 VTIMEZONE. You can create a
jpayne@69 33 * <code>VTimeZone</code> instance from a time zone ID supported by <code>TimeZone</code>.
jpayne@69 34 * With the <code>VTimeZone</code> instance created from the ID, you can write out the rule
jpayne@69 35 * in RFC2445 VTIMEZONE format. Also, you can create a <code>VTimeZone</code> instance
jpayne@69 36 * from RFC2445 VTIMEZONE data stream, which allows you to calculate time
jpayne@69 37 * zone offset by the rules defined by the data. Or, you can create a
jpayne@69 38 * <code>VTimeZone</code> from any other ICU <code>BasicTimeZone</code>.
jpayne@69 39 * <br><br>
jpayne@69 40 * Note: The consumer of this class reading or writing VTIMEZONE data is responsible to
jpayne@69 41 * decode or encode Non-ASCII text. Methods reading/writing VTIMEZONE data in this class
jpayne@69 42 * do nothing with MIME encoding.
jpayne@69 43 * @stable ICU 3.8
jpayne@69 44 */
jpayne@69 45 class U_I18N_API VTimeZone : public BasicTimeZone {
jpayne@69 46 public:
jpayne@69 47 /**
jpayne@69 48 * Copy constructor.
jpayne@69 49 * @param source The <code>VTimeZone</code> object to be copied.
jpayne@69 50 * @stable ICU 3.8
jpayne@69 51 */
jpayne@69 52 VTimeZone(const VTimeZone& source);
jpayne@69 53
jpayne@69 54 /**
jpayne@69 55 * Destructor.
jpayne@69 56 * @stable ICU 3.8
jpayne@69 57 */
jpayne@69 58 virtual ~VTimeZone();
jpayne@69 59
jpayne@69 60 /**
jpayne@69 61 * Assignment operator.
jpayne@69 62 * @param right The object to be copied.
jpayne@69 63 * @stable ICU 3.8
jpayne@69 64 */
jpayne@69 65 VTimeZone& operator=(const VTimeZone& right);
jpayne@69 66
jpayne@69 67 /**
jpayne@69 68 * Return true if the given <code>TimeZone</code> objects are
jpayne@69 69 * semantically equal. Objects of different subclasses are considered unequal.
jpayne@69 70 * @param that The object to be compared with.
jpayne@69 71 * @return true if the given <code>TimeZone</code> objects are
jpayne@69 72 *semantically equal.
jpayne@69 73 * @stable ICU 3.8
jpayne@69 74 */
jpayne@69 75 virtual UBool operator==(const TimeZone& that) const;
jpayne@69 76
jpayne@69 77 /**
jpayne@69 78 * Return true if the given <code>TimeZone</code> objects are
jpayne@69 79 * semantically unequal. Objects of different subclasses are considered unequal.
jpayne@69 80 * @param that The object to be compared with.
jpayne@69 81 * @return true if the given <code>TimeZone</code> objects are
jpayne@69 82 * semantically unequal.
jpayne@69 83 * @stable ICU 3.8
jpayne@69 84 */
jpayne@69 85 virtual UBool operator!=(const TimeZone& that) const;
jpayne@69 86
jpayne@69 87 /**
jpayne@69 88 * Create a <code>VTimeZone</code> instance by the time zone ID.
jpayne@69 89 * @param ID The time zone ID, such as America/New_York
jpayne@69 90 * @return A <code>VTimeZone</code> object initialized by the time zone ID,
jpayne@69 91 * or NULL when the ID is unknown.
jpayne@69 92 * @stable ICU 3.8
jpayne@69 93 */
jpayne@69 94 static VTimeZone* createVTimeZoneByID(const UnicodeString& ID);
jpayne@69 95
jpayne@69 96 /**
jpayne@69 97 * Create a <code>VTimeZone</code> instance using a basic time zone.
jpayne@69 98 * @param basicTZ The basic time zone instance
jpayne@69 99 * @param status Output param to filled in with a success or an error.
jpayne@69 100 * @return A <code>VTimeZone</code> object initialized by the basic time zone.
jpayne@69 101 * @stable ICU 4.6
jpayne@69 102 */
jpayne@69 103 static VTimeZone* createVTimeZoneFromBasicTimeZone(const BasicTimeZone& basicTZ,
jpayne@69 104 UErrorCode &status);
jpayne@69 105
jpayne@69 106 /**
jpayne@69 107 * Create a <code>VTimeZone</code> instance by RFC2445 VTIMEZONE data
jpayne@69 108 *
jpayne@69 109 * @param vtzdata The string including VTIMEZONE data block
jpayne@69 110 * @param status Output param to filled in with a success or an error.
jpayne@69 111 * @return A <code>VTimeZone</code> initialized by the VTIMEZONE data or
jpayne@69 112 * NULL if failed to load the rule from the VTIMEZONE data.
jpayne@69 113 * @stable ICU 3.8
jpayne@69 114 */
jpayne@69 115 static VTimeZone* createVTimeZone(const UnicodeString& vtzdata, UErrorCode& status);
jpayne@69 116
jpayne@69 117 /**
jpayne@69 118 * Gets the RFC2445 TZURL property value. When a <code>VTimeZone</code> instance was
jpayne@69 119 * created from VTIMEZONE data, the initial value is set by the TZURL property value
jpayne@69 120 * in the data. Otherwise, the initial value is not set.
jpayne@69 121 * @param url Receives the RFC2445 TZURL property value.
jpayne@69 122 * @return TRUE if TZURL attribute is available and value is set.
jpayne@69 123 * @stable ICU 3.8
jpayne@69 124 */
jpayne@69 125 UBool getTZURL(UnicodeString& url) const;
jpayne@69 126
jpayne@69 127 /**
jpayne@69 128 * Sets the RFC2445 TZURL property value.
jpayne@69 129 * @param url The TZURL property value.
jpayne@69 130 * @stable ICU 3.8
jpayne@69 131 */
jpayne@69 132 void setTZURL(const UnicodeString& url);
jpayne@69 133
jpayne@69 134 /**
jpayne@69 135 * Gets the RFC2445 LAST-MODIFIED property value. When a <code>VTimeZone</code> instance
jpayne@69 136 * was created from VTIMEZONE data, the initial value is set by the LAST-MODIFIED property
jpayne@69 137 * value in the data. Otherwise, the initial value is not set.
jpayne@69 138 * @param lastModified Receives the last modified date.
jpayne@69 139 * @return TRUE if lastModified attribute is available and value is set.
jpayne@69 140 * @stable ICU 3.8
jpayne@69 141 */
jpayne@69 142 UBool getLastModified(UDate& lastModified) const;
jpayne@69 143
jpayne@69 144 /**
jpayne@69 145 * Sets the RFC2445 LAST-MODIFIED property value.
jpayne@69 146 * @param lastModified The LAST-MODIFIED date.
jpayne@69 147 * @stable ICU 3.8
jpayne@69 148 */
jpayne@69 149 void setLastModified(UDate lastModified);
jpayne@69 150
jpayne@69 151 /**
jpayne@69 152 * Writes RFC2445 VTIMEZONE data for this time zone
jpayne@69 153 * @param result Output param to filled in with the VTIMEZONE data.
jpayne@69 154 * @param status Output param to filled in with a success or an error.
jpayne@69 155 * @stable ICU 3.8
jpayne@69 156 */
jpayne@69 157 void write(UnicodeString& result, UErrorCode& status) const;
jpayne@69 158
jpayne@69 159 /**
jpayne@69 160 * Writes RFC2445 VTIMEZONE data for this time zone applicalbe
jpayne@69 161 * for dates after the specified start time.
jpayne@69 162 * @param start The start date.
jpayne@69 163 * @param result Output param to filled in with the VTIMEZONE data.
jpayne@69 164 * @param status Output param to filled in with a success or an error.
jpayne@69 165 * @stable ICU 3.8
jpayne@69 166 */
jpayne@69 167 void write(UDate start, UnicodeString& result, UErrorCode& status) const;
jpayne@69 168
jpayne@69 169 /**
jpayne@69 170 * Writes RFC2445 VTIMEZONE data applicalbe for the specified date.
jpayne@69 171 * Some common iCalendar implementations can only handle a single time
jpayne@69 172 * zone property or a pair of standard and daylight time properties using
jpayne@69 173 * BYDAY rule with day of week (such as BYDAY=1SUN). This method produce
jpayne@69 174 * the VTIMEZONE data which can be handled these implementations. The rules
jpayne@69 175 * produced by this method can be used only for calculating time zone offset
jpayne@69 176 * around the specified date.
jpayne@69 177 * @param time The date used for rule extraction.
jpayne@69 178 * @param result Output param to filled in with the VTIMEZONE data.
jpayne@69 179 * @param status Output param to filled in with a success or an error.
jpayne@69 180 * @stable ICU 3.8
jpayne@69 181 */
jpayne@69 182 void writeSimple(UDate time, UnicodeString& result, UErrorCode& status) const;
jpayne@69 183
jpayne@69 184 /**
jpayne@69 185 * Clones TimeZone objects polymorphically. Clients are responsible for deleting
jpayne@69 186 * the TimeZone object cloned.
jpayne@69 187 * @return A new copy of this TimeZone object.
jpayne@69 188 * @stable ICU 3.8
jpayne@69 189 */
jpayne@69 190 virtual VTimeZone* clone() const;
jpayne@69 191
jpayne@69 192 /**
jpayne@69 193 * Returns the TimeZone's adjusted GMT offset (i.e., the number of milliseconds to add
jpayne@69 194 * to GMT to get local time in this time zone, taking daylight savings time into
jpayne@69 195 * account) as of a particular reference date. The reference date is used to determine
jpayne@69 196 * whether daylight savings time is in effect and needs to be figured into the offset
jpayne@69 197 * that is returned (in other words, what is the adjusted GMT offset in this time zone
jpayne@69 198 * at this particular date and time?). For the time zones produced by createTimeZone(),
jpayne@69 199 * the reference data is specified according to the Gregorian calendar, and the date
jpayne@69 200 * and time fields are local standard time.
jpayne@69 201 *
jpayne@69 202 * <p>Note: Don't call this method. Instead, call the getOffset(UDate...) overload,
jpayne@69 203 * which returns both the raw and the DST offset for a given time. This method
jpayne@69 204 * is retained only for backward compatibility.
jpayne@69 205 *
jpayne@69 206 * @param era The reference date's era
jpayne@69 207 * @param year The reference date's year
jpayne@69 208 * @param month The reference date's month (0-based; 0 is January)
jpayne@69 209 * @param day The reference date's day-in-month (1-based)
jpayne@69 210 * @param dayOfWeek The reference date's day-of-week (1-based; 1 is Sunday)
jpayne@69 211 * @param millis The reference date's milliseconds in day, local standard time
jpayne@69 212 * @param status Output param to filled in with a success or an error.
jpayne@69 213 * @return The offset in milliseconds to add to GMT to get local time.
jpayne@69 214 * @stable ICU 3.8
jpayne@69 215 */
jpayne@69 216 virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
jpayne@69 217 uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const;
jpayne@69 218
jpayne@69 219 /**
jpayne@69 220 * Gets the time zone offset, for current date, modified in case of
jpayne@69 221 * daylight savings. This is the offset to add *to* UTC to get local time.
jpayne@69 222 *
jpayne@69 223 * <p>Note: Don't call this method. Instead, call the getOffset(UDate...) overload,
jpayne@69 224 * which returns both the raw and the DST offset for a given time. This method
jpayne@69 225 * is retained only for backward compatibility.
jpayne@69 226 *
jpayne@69 227 * @param era The reference date's era
jpayne@69 228 * @param year The reference date's year
jpayne@69 229 * @param month The reference date's month (0-based; 0 is January)
jpayne@69 230 * @param day The reference date's day-in-month (1-based)
jpayne@69 231 * @param dayOfWeek The reference date's day-of-week (1-based; 1 is Sunday)
jpayne@69 232 * @param millis The reference date's milliseconds in day, local standard time
jpayne@69 233 * @param monthLength The length of the given month in days.
jpayne@69 234 * @param status Output param to filled in with a success or an error.
jpayne@69 235 * @return The offset in milliseconds to add to GMT to get local time.
jpayne@69 236 * @stable ICU 3.8
jpayne@69 237 */
jpayne@69 238 virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
jpayne@69 239 uint8_t dayOfWeek, int32_t millis,
jpayne@69 240 int32_t monthLength, UErrorCode& status) const;
jpayne@69 241
jpayne@69 242 /**
jpayne@69 243 * Returns the time zone raw and GMT offset for the given moment
jpayne@69 244 * in time. Upon return, local-millis = GMT-millis + rawOffset +
jpayne@69 245 * dstOffset. All computations are performed in the proleptic
jpayne@69 246 * Gregorian calendar. The default implementation in the TimeZone
jpayne@69 247 * class delegates to the 8-argument getOffset().
jpayne@69 248 *
jpayne@69 249 * @param date moment in time for which to return offsets, in
jpayne@69 250 * units of milliseconds from January 1, 1970 0:00 GMT, either GMT
jpayne@69 251 * time or local wall time, depending on `local'.
jpayne@69 252 * @param local if true, `date' is local wall time; otherwise it
jpayne@69 253 * is in GMT time.
jpayne@69 254 * @param rawOffset output parameter to receive the raw offset, that
jpayne@69 255 * is, the offset not including DST adjustments
jpayne@69 256 * @param dstOffset output parameter to receive the DST offset,
jpayne@69 257 * that is, the offset to be added to `rawOffset' to obtain the
jpayne@69 258 * total offset between local and GMT time. If DST is not in
jpayne@69 259 * effect, this value is zero; otherwise it is a positive value,
jpayne@69 260 * typically one hour.
jpayne@69 261 * @param ec input-output error code
jpayne@69 262 * @stable ICU 3.8
jpayne@69 263 */
jpayne@69 264 virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
jpayne@69 265 int32_t& dstOffset, UErrorCode& ec) const;
jpayne@69 266
jpayne@69 267 /**
jpayne@69 268 * Sets the TimeZone's raw GMT offset (i.e., the number of milliseconds to add
jpayne@69 269 * to GMT to get local time, before taking daylight savings time into account).
jpayne@69 270 *
jpayne@69 271 * @param offsetMillis The new raw GMT offset for this time zone.
jpayne@69 272 * @stable ICU 3.8
jpayne@69 273 */
jpayne@69 274 virtual void setRawOffset(int32_t offsetMillis);
jpayne@69 275
jpayne@69 276 /**
jpayne@69 277 * Returns the TimeZone's raw GMT offset (i.e., the number of milliseconds to add
jpayne@69 278 * to GMT to get local time, before taking daylight savings time into account).
jpayne@69 279 *
jpayne@69 280 * @return The TimeZone's raw GMT offset.
jpayne@69 281 * @stable ICU 3.8
jpayne@69 282 */
jpayne@69 283 virtual int32_t getRawOffset(void) const;
jpayne@69 284
jpayne@69 285 /**
jpayne@69 286 * Queries if this time zone uses daylight savings time.
jpayne@69 287 * @return true if this time zone uses daylight savings time,
jpayne@69 288 * false, otherwise.
jpayne@69 289 * @stable ICU 3.8
jpayne@69 290 */
jpayne@69 291 virtual UBool useDaylightTime(void) const;
jpayne@69 292
jpayne@69 293 #ifndef U_FORCE_HIDE_DEPRECATED_API
jpayne@69 294 /**
jpayne@69 295 * Queries if the given date is in daylight savings time in
jpayne@69 296 * this time zone.
jpayne@69 297 * This method is wasteful since it creates a new GregorianCalendar and
jpayne@69 298 * deletes it each time it is called. This is a deprecated method
jpayne@69 299 * and provided only for Java compatibility.
jpayne@69 300 *
jpayne@69 301 * @param date the given UDate.
jpayne@69 302 * @param status Output param filled in with success/error code.
jpayne@69 303 * @return true if the given date is in daylight savings time,
jpayne@69 304 * false, otherwise.
jpayne@69 305 * @deprecated ICU 2.4. Use Calendar::inDaylightTime() instead.
jpayne@69 306 */
jpayne@69 307 virtual UBool inDaylightTime(UDate date, UErrorCode& status) const;
jpayne@69 308 #endif // U_FORCE_HIDE_DEPRECATED_API
jpayne@69 309
jpayne@69 310 /**
jpayne@69 311 * Returns true if this zone has the same rule and offset as another zone.
jpayne@69 312 * That is, if this zone differs only in ID, if at all.
jpayne@69 313 * @param other the <code>TimeZone</code> object to be compared with
jpayne@69 314 * @return true if the given zone is the same as this one,
jpayne@69 315 * with the possible exception of the ID
jpayne@69 316 * @stable ICU 3.8
jpayne@69 317 */
jpayne@69 318 virtual UBool hasSameRules(const TimeZone& other) const;
jpayne@69 319
jpayne@69 320 /**
jpayne@69 321 * Gets the first time zone transition after the base time.
jpayne@69 322 * @param base The base time.
jpayne@69 323 * @param inclusive Whether the base time is inclusive or not.
jpayne@69 324 * @param result Receives the first transition after the base time.
jpayne@69 325 * @return TRUE if the transition is found.
jpayne@69 326 * @stable ICU 3.8
jpayne@69 327 */
jpayne@69 328 virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
jpayne@69 329
jpayne@69 330 /**
jpayne@69 331 * Gets the most recent time zone transition before the base time.
jpayne@69 332 * @param base The base time.
jpayne@69 333 * @param inclusive Whether the base time is inclusive or not.
jpayne@69 334 * @param result Receives the most recent transition before the base time.
jpayne@69 335 * @return TRUE if the transition is found.
jpayne@69 336 * @stable ICU 3.8
jpayne@69 337 */
jpayne@69 338 virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const;
jpayne@69 339
jpayne@69 340 /**
jpayne@69 341 * Returns the number of <code>TimeZoneRule</code>s which represents time transitions,
jpayne@69 342 * for this time zone, that is, all <code>TimeZoneRule</code>s for this time zone except
jpayne@69 343 * <code>InitialTimeZoneRule</code>. The return value range is 0 or any positive value.
jpayne@69 344 * @param status Receives error status code.
jpayne@69 345 * @return The number of <code>TimeZoneRule</code>s representing time transitions.
jpayne@69 346 * @stable ICU 3.8
jpayne@69 347 */
jpayne@69 348 virtual int32_t countTransitionRules(UErrorCode& status) const;
jpayne@69 349
jpayne@69 350 /**
jpayne@69 351 * Gets the <code>InitialTimeZoneRule</code> and the set of <code>TimeZoneRule</code>
jpayne@69 352 * which represent time transitions for this time zone. On successful return,
jpayne@69 353 * the argument initial points to non-NULL <code>InitialTimeZoneRule</code> and
jpayne@69 354 * the array trsrules is filled with 0 or multiple <code>TimeZoneRule</code>
jpayne@69 355 * instances up to the size specified by trscount. The results are referencing the
jpayne@69 356 * rule instance held by this time zone instance. Therefore, after this time zone
jpayne@69 357 * is destructed, they are no longer available.
jpayne@69 358 * @param initial Receives the initial timezone rule
jpayne@69 359 * @param trsrules Receives the timezone transition rules
jpayne@69 360 * @param trscount On input, specify the size of the array 'transitions' receiving
jpayne@69 361 * the timezone transition rules. On output, actual number of
jpayne@69 362 * rules filled in the array will be set.
jpayne@69 363 * @param status Receives error status code.
jpayne@69 364 * @stable ICU 3.8
jpayne@69 365 */
jpayne@69 366 virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
jpayne@69 367 const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const;
jpayne@69 368
jpayne@69 369 private:
jpayne@69 370 enum { DEFAULT_VTIMEZONE_LINES = 100 };
jpayne@69 371
jpayne@69 372 /**
jpayne@69 373 * Default constructor.
jpayne@69 374 */
jpayne@69 375 VTimeZone();
jpayne@69 376 static VTimeZone* createVTimeZone(VTZReader* reader);
jpayne@69 377 void write(VTZWriter& writer, UErrorCode& status) const;
jpayne@69 378 void write(UDate start, VTZWriter& writer, UErrorCode& status) const;
jpayne@69 379 void writeSimple(UDate time, VTZWriter& writer, UErrorCode& status) const;
jpayne@69 380 void load(VTZReader& reader, UErrorCode& status);
jpayne@69 381 void parse(UErrorCode& status);
jpayne@69 382
jpayne@69 383 void writeZone(VTZWriter& w, BasicTimeZone& basictz, UVector* customProps,
jpayne@69 384 UErrorCode& status) const;
jpayne@69 385
jpayne@69 386 void writeHeaders(VTZWriter& w, UErrorCode& status) const;
jpayne@69 387 void writeFooter(VTZWriter& writer, UErrorCode& status) const;
jpayne@69 388
jpayne@69 389 void writeZonePropsByTime(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
jpayne@69 390 int32_t fromOffset, int32_t toOffset, UDate time, UBool withRDATE,
jpayne@69 391 UErrorCode& status) const;
jpayne@69 392 void writeZonePropsByDOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
jpayne@69 393 int32_t fromOffset, int32_t toOffset,
jpayne@69 394 int32_t month, int32_t dayOfMonth, UDate startTime, UDate untilTime,
jpayne@69 395 UErrorCode& status) const;
jpayne@69 396 void writeZonePropsByDOW(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
jpayne@69 397 int32_t fromOffset, int32_t toOffset,
jpayne@69 398 int32_t month, int32_t weekInMonth, int32_t dayOfWeek,
jpayne@69 399 UDate startTime, UDate untilTime, UErrorCode& status) const;
jpayne@69 400 void writeZonePropsByDOW_GEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
jpayne@69 401 int32_t fromOffset, int32_t toOffset,
jpayne@69 402 int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
jpayne@69 403 UDate startTime, UDate untilTime, UErrorCode& status) const;
jpayne@69 404 void writeZonePropsByDOW_GEQ_DOM_sub(VTZWriter& writer, int32_t month, int32_t dayOfMonth,
jpayne@69 405 int32_t dayOfWeek, int32_t numDays,
jpayne@69 406 UDate untilTime, int32_t fromOffset, UErrorCode& status) const;
jpayne@69 407 void writeZonePropsByDOW_LEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
jpayne@69 408 int32_t fromOffset, int32_t toOffset,
jpayne@69 409 int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
jpayne@69 410 UDate startTime, UDate untilTime, UErrorCode& status) const;
jpayne@69 411 void writeFinalRule(VTZWriter& writer, UBool isDst, const AnnualTimeZoneRule* rule,
jpayne@69 412 int32_t fromRawOffset, int32_t fromDSTSavings,
jpayne@69 413 UDate startTime, UErrorCode& status) const;
jpayne@69 414
jpayne@69 415 void beginZoneProps(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
jpayne@69 416 int32_t fromOffset, int32_t toOffset, UDate startTime, UErrorCode& status) const;
jpayne@69 417 void endZoneProps(VTZWriter& writer, UBool isDst, UErrorCode& status) const;
jpayne@69 418 void beginRRULE(VTZWriter& writer, int32_t month, UErrorCode& status) const;
jpayne@69 419 void appendUNTIL(VTZWriter& writer, const UnicodeString& until, UErrorCode& status) const;
jpayne@69 420
jpayne@69 421 BasicTimeZone *tz;
jpayne@69 422 UVector *vtzlines;
jpayne@69 423 UnicodeString tzurl;
jpayne@69 424 UDate lastmod;
jpayne@69 425 UnicodeString olsonzid;
jpayne@69 426 UnicodeString icutzver;
jpayne@69 427
jpayne@69 428 public:
jpayne@69 429 /**
jpayne@69 430 * Return the class ID for this class. This is useful only for comparing to
jpayne@69 431 * a return value from getDynamicClassID(). For example:
jpayne@69 432 * <pre>
jpayne@69 433 * . Base* polymorphic_pointer = createPolymorphicObject();
jpayne@69 434 * . if (polymorphic_pointer->getDynamicClassID() ==
jpayne@69 435 * . erived::getStaticClassID()) ...
jpayne@69 436 * </pre>
jpayne@69 437 * @return The class ID for all objects of this class.
jpayne@69 438 * @stable ICU 3.8
jpayne@69 439 */
jpayne@69 440 static UClassID U_EXPORT2 getStaticClassID(void);
jpayne@69 441
jpayne@69 442 /**
jpayne@69 443 * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
jpayne@69 444 * method is to implement a simple version of RTTI, since not all C++
jpayne@69 445 * compilers support genuine RTTI. Polymorphic operator==() and clone()
jpayne@69 446 * methods call this method.
jpayne@69 447 *
jpayne@69 448 * @return The class ID for this object. All objects of a
jpayne@69 449 * given class have the same class ID. Objects of
jpayne@69 450 * other classes have different class IDs.
jpayne@69 451 * @stable ICU 3.8
jpayne@69 452 */
jpayne@69 453 virtual UClassID getDynamicClassID(void) const;
jpayne@69 454 };
jpayne@69 455
jpayne@69 456 U_NAMESPACE_END
jpayne@69 457
jpayne@69 458 #endif /* #if !UCONFIG_NO_FORMATTING */
jpayne@69 459
jpayne@69 460 #endif /* U_SHOW_CPLUSPLUS_API */
jpayne@69 461
jpayne@69 462 #endif // VTZONE_H
jpayne@69 463 //eof