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// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************** * Copyright (C) 1997-2013, International Business Machines * * Corporation and others. All Rights Reserved. * ******************************************************************************** * * File SIMPLETZ.H * * Modification History: * * Date Name Description * 04/21/97 aliu Overhauled header. * 08/10/98 stephen JDK 1.2 sync * Added setStartRule() / setEndRule() overloads * Added hasSameRules() * 09/02/98 stephen Added getOffset(monthLen) * Changed getOffset() to take UErrorCode * 07/09/99 stephen Removed millisPerHour (unused, for HP compiler) * 12/02/99 aliu Added TimeMode and constructor and setStart/EndRule * methods that take TimeMode. Added to docs. ******************************************************************************** / #ifndef SIMPLETZ_H #define SIMPLETZ_H #include "unicode/utypes.h" #if U_SHOW_CPLUSPLUS_API /* * \file * \brief C++ API: SimpleTimeZone is a concrete subclass of TimeZone. / #if !UCONFIG_NO_FORMATTING #include "unicode/basictz.h" U_NAMESPACE_BEGIN // forward declaration class InitialTimeZoneRule; class TimeZoneTransition; class AnnualTimeZoneRule; /* * <code>SimpleTimeZone</code> is a concrete subclass of <code>TimeZone</code> * that represents a time zone for use with a Gregorian calendar. This * class does not handle historical changes. * <P> * When specifying daylight-savings-time begin and end dates, use a negative value for * <code>dayOfWeekInMonth</code> to indicate that <code>SimpleTimeZone</code> should * count from the end of the month backwards. For example, if Daylight Savings * Time starts or ends at the last Sunday a month, use <code>dayOfWeekInMonth = -1</code> * along with <code>dayOfWeek = UCAL_SUNDAY</code> to specify the rule. * * @see Calendar * @see GregorianCalendar * @see TimeZone * @author D. Goldsmith, Mark Davis, Chen-Lieh Huang, Alan Liu / class U_I18N_API SimpleTimeZone: public BasicTimeZone { public: /* * TimeMode is used, together with a millisecond offset after * midnight, to specify a rule transition time. Most rules * transition at a local wall time, that is, according to the * current time in effect, either standard, or DST. However, some * rules transition at local standard time, and some at a specific * UTC time. Although it might seem that all times could be * converted to wall time, thus eliminating the need for this * parameter, this is not the case. * @stable ICU 2.0 / enum TimeMode { WALL_TIME = 0, STANDARD_TIME, UTC_TIME }; /* * Copy constructor * @param source the object to be copied. * @stable ICU 2.0 / SimpleTimeZone(const SimpleTimeZone& source); /* * Default assignment operator * @param right the object to be copied. * @stable ICU 2.0 / SimpleTimeZone& operator=(const SimpleTimeZone& right); /* * Destructor * @stable ICU 2.0 / virtual ~SimpleTimeZone(); /* * Returns true if the two TimeZone objects are equal; that is, they have * the same ID, raw GMT offset, and DST rules. * * @param that The SimpleTimeZone object to be compared with. * @return true if the given time zone is equal to this time zone; false * otherwise. * @stable ICU 2.0 / virtual bool operator==(const TimeZone& that) const override; /* * Constructs a SimpleTimeZone with the given raw GMT offset and time zone ID, * and which doesn't observe daylight savings time. Normally you should use * TimeZone::createInstance() to create a TimeZone instead of creating a * SimpleTimeZone directly with this constructor. * * @param rawOffsetGMT The given base time zone offset to GMT. * @param ID The timezone ID which is obtained from * TimeZone.getAvailableIDs. * @stable ICU 2.0 / SimpleTimeZone(int32_t rawOffsetGMT, const UnicodeString& ID); /* * Construct a SimpleTimeZone with the given raw GMT offset, time zone ID, * and times to start and end daylight savings time. To create a TimeZone that * doesn't observe daylight savings time, don't use this constructor; use * SimpleTimeZone(rawOffset, ID) instead. Normally, you should use * TimeZone.createInstance() to create a TimeZone instead of creating a * SimpleTimeZone directly with this constructor. * <P> * Various types of daylight-savings time rules can be specified by using different * values for startDay and startDayOfWeek and endDay and endDayOfWeek. For a * complete explanation of how these parameters work, see the documentation for * setStartRule(). * * @param rawOffsetGMT The new SimpleTimeZone's raw GMT offset * @param ID The new SimpleTimeZone's time zone ID. * @param savingsStartMonth The daylight savings starting month. Month is * 0-based. eg, 0 for January. * @param savingsStartDayOfWeekInMonth The daylight savings starting * day-of-week-in-month. See setStartRule() for a * complete explanation. * @param savingsStartDayOfWeek The daylight savings starting day-of-week. * See setStartRule() for a complete explanation. * @param savingsStartTime The daylight savings starting time, expressed as the * number of milliseconds after midnight. * @param savingsEndMonth The daylight savings ending month. Month is * 0-based. eg, 0 for January. * @param savingsEndDayOfWeekInMonth The daylight savings ending day-of-week-in-month. * See setStartRule() for a complete explanation. * @param savingsEndDayOfWeek The daylight savings ending day-of-week. * See setStartRule() for a complete explanation. * @param savingsEndTime The daylight savings ending time, expressed as the * number of milliseconds after midnight. * @param status An UErrorCode to receive the status. * @stable ICU 2.0 / SimpleTimeZone(int32_t rawOffsetGMT, const UnicodeString& ID, int8_t savingsStartMonth, int8_t savingsStartDayOfWeekInMonth, int8_t savingsStartDayOfWeek, int32_t savingsStartTime, int8_t savingsEndMonth, int8_t savingsEndDayOfWeekInMonth, int8_t savingsEndDayOfWeek, int32_t savingsEndTime, UErrorCode& status); /* * Construct a SimpleTimeZone with the given raw GMT offset, time zone ID, * and times to start and end daylight savings time. To create a TimeZone that * doesn't observe daylight savings time, don't use this constructor; use * SimpleTimeZone(rawOffset, ID) instead. Normally, you should use * TimeZone.createInstance() to create a TimeZone instead of creating a * SimpleTimeZone directly with this constructor. * <P> * Various types of daylight-savings time rules can be specified by using different * values for startDay and startDayOfWeek and endDay and endDayOfWeek. For a * complete explanation of how these parameters work, see the documentation for * setStartRule(). * * @param rawOffsetGMT The new SimpleTimeZone's raw GMT offset * @param ID The new SimpleTimeZone's time zone ID. * @param savingsStartMonth The daylight savings starting month. Month is * 0-based. eg, 0 for January. * @param savingsStartDayOfWeekInMonth The daylight savings starting * day-of-week-in-month. See setStartRule() for a * complete explanation. * @param savingsStartDayOfWeek The daylight savings starting day-of-week. * See setStartRule() for a complete explanation. * @param savingsStartTime The daylight savings starting time, expressed as the * number of milliseconds after midnight. * @param savingsEndMonth The daylight savings ending month. Month is * 0-based. eg, 0 for January. * @param savingsEndDayOfWeekInMonth The daylight savings ending day-of-week-in-month. * See setStartRule() for a complete explanation. * @param savingsEndDayOfWeek The daylight savings ending day-of-week. * See setStartRule() for a complete explanation. * @param savingsEndTime The daylight savings ending time, expressed as the * number of milliseconds after midnight. * @param savingsDST The number of milliseconds added to standard time * to get DST time. Default is one hour. * @param status An UErrorCode to receive the status. * @stable ICU 2.0 / SimpleTimeZone(int32_t rawOffsetGMT, const UnicodeString& ID, int8_t savingsStartMonth, int8_t savingsStartDayOfWeekInMonth, int8_t savingsStartDayOfWeek, int32_t savingsStartTime, int8_t savingsEndMonth, int8_t savingsEndDayOfWeekInMonth, int8_t savingsEndDayOfWeek, int32_t savingsEndTime, int32_t savingsDST, UErrorCode& status); /* * Construct a SimpleTimeZone with the given raw GMT offset, time zone ID, * and times to start and end daylight savings time. To create a TimeZone that * doesn't observe daylight savings time, don't use this constructor; use * SimpleTimeZone(rawOffset, ID) instead. Normally, you should use * TimeZone.createInstance() to create a TimeZone instead of creating a * SimpleTimeZone directly with this constructor. * <P> * Various types of daylight-savings time rules can be specified by using different * values for startDay and startDayOfWeek and endDay and endDayOfWeek. For a * complete explanation of how these parameters work, see the documentation for * setStartRule(). * * @param rawOffsetGMT The new SimpleTimeZone's raw GMT offset * @param ID The new SimpleTimeZone's time zone ID. * @param savingsStartMonth The daylight savings starting month. Month is * 0-based. eg, 0 for January. * @param savingsStartDayOfWeekInMonth The daylight savings starting * day-of-week-in-month. See setStartRule() for a * complete explanation. * @param savingsStartDayOfWeek The daylight savings starting day-of-week. * See setStartRule() for a complete explanation. * @param savingsStartTime The daylight savings starting time, expressed as the * number of milliseconds after midnight. * @param savingsStartTimeMode Whether the start time is local wall time, local * standard time, or UTC time. Default is local wall time. * @param savingsEndMonth The daylight savings ending month. Month is * 0-based. eg, 0 for January. * @param savingsEndDayOfWeekInMonth The daylight savings ending day-of-week-in-month. * See setStartRule() for a complete explanation. * @param savingsEndDayOfWeek The daylight savings ending day-of-week. * See setStartRule() for a complete explanation. * @param savingsEndTime The daylight savings ending time, expressed as the * number of milliseconds after midnight. * @param savingsEndTimeMode Whether the end time is local wall time, local * standard time, or UTC time. Default is local wall time. * @param savingsDST The number of milliseconds added to standard time * to get DST time. Default is one hour. * @param status An UErrorCode to receive the status. * @stable ICU 2.0 / SimpleTimeZone(int32_t rawOffsetGMT, const UnicodeString& ID, int8_t savingsStartMonth, int8_t savingsStartDayOfWeekInMonth, int8_t savingsStartDayOfWeek, int32_t savingsStartTime, TimeMode savingsStartTimeMode, int8_t savingsEndMonth, int8_t savingsEndDayOfWeekInMonth, int8_t savingsEndDayOfWeek, int32_t savingsEndTime, TimeMode savingsEndTimeMode, int32_t savingsDST, UErrorCode& status); /* * Sets the daylight savings starting year, that is, the year this time zone began * observing its specified daylight savings time rules. The time zone is considered * not to observe daylight savings time prior to that year; SimpleTimeZone doesn't * support historical daylight-savings-time rules. * @param year the daylight savings starting year. * @stable ICU 2.0 / void setStartYear(int32_t year); /* * Sets the daylight savings starting rule. For example, in the U.S., Daylight Savings * Time starts at the second Sunday in March, at 2 AM in standard time. * Therefore, you can set the start rule by calling: * setStartRule(UCAL_MARCH, 2, UCAL_SUNDAY, 260601000); The dayOfWeekInMonth and dayOfWeek parameters together specify how to calculate * the exact starting date. Their exact meaning depend on their respective signs, * allowing various types of rules to be constructed, as follows: * <ul> * <li>If both dayOfWeekInMonth and dayOfWeek are positive, they specify the * day of week in the month (e.g., (2, WEDNESDAY) is the second Wednesday * of the month).</li> * <li>If dayOfWeek is positive and dayOfWeekInMonth is negative, they specify * the day of week in the month counting backward from the end of the month. * (e.g., (-1, MONDAY) is the last Monday in the month)</li> * <li>If dayOfWeek is zero and dayOfWeekInMonth is positive, dayOfWeekInMonth * specifies the day of the month, regardless of what day of the week it is. * (e.g., (10, 0) is the tenth day of the month)</li> * <li>If dayOfWeek is zero and dayOfWeekInMonth is negative, dayOfWeekInMonth * specifies the day of the month counting backward from the end of the * month, regardless of what day of the week it is (e.g., (-2, 0) is the * next-to-last day of the month).</li> * <li>If dayOfWeek is negative and dayOfWeekInMonth is positive, they specify the * first specified day of the week on or after the specified day of the month. * (e.g., (15, -SUNDAY) is the first Sunday after the 15th of the month * [or the 15th itself if the 15th is a Sunday].)</li> * <li>If dayOfWeek and DayOfWeekInMonth are both negative, they specify the * last specified day of the week on or before the specified day of the month. * (e.g., (-20, -TUESDAY) is the last Tuesday before the 20th of the month * [or the 20th itself if the 20th is a Tuesday].)</li> * </ul> * @param month the daylight savings starting month. Month is 0-based. * eg, 0 for January. * @param dayOfWeekInMonth the daylight savings starting * day-of-week-in-month. Please see the member description for an example. * @param dayOfWeek the daylight savings starting day-of-week. Please see * the member description for an example. * @param time the daylight savings starting time. Please see the member * description for an example. * @param status An UErrorCode * @stable ICU 2.0 / void setStartRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek, int32_t time, UErrorCode& status); /* * Sets the daylight savings starting rule. For example, in the U.S., Daylight Savings * Time starts at the second Sunday in March, at 2 AM in standard time. * Therefore, you can set the start rule by calling: * setStartRule(UCAL_MARCH, 2, UCAL_SUNDAY, 260601000); The dayOfWeekInMonth and dayOfWeek parameters together specify how to calculate * the exact starting date. Their exact meaning depend on their respective signs, * allowing various types of rules to be constructed, as follows: * <ul> * <li>If both dayOfWeekInMonth and dayOfWeek are positive, they specify the * day of week in the month (e.g., (2, WEDNESDAY) is the second Wednesday * of the month).</li> * <li>If dayOfWeek is positive and dayOfWeekInMonth is negative, they specify * the day of week in the month counting backward from the end of the month. * (e.g., (-1, MONDAY) is the last Monday in the month)</li> * <li>If dayOfWeek is zero and dayOfWeekInMonth is positive, dayOfWeekInMonth * specifies the day of the month, regardless of what day of the week it is. * (e.g., (10, 0) is the tenth day of the month)</li> * <li>If dayOfWeek is zero and dayOfWeekInMonth is negative, dayOfWeekInMonth * specifies the day of the month counting backward from the end of the * month, regardless of what day of the week it is (e.g., (-2, 0) is the * next-to-last day of the month).</li> * <li>If dayOfWeek is negative and dayOfWeekInMonth is positive, they specify the * first specified day of the week on or after the specified day of the month. * (e.g., (15, -SUNDAY) is the first Sunday after the 15th of the month * [or the 15th itself if the 15th is a Sunday].)</li> * <li>If dayOfWeek and DayOfWeekInMonth are both negative, they specify the * last specified day of the week on or before the specified day of the month. * (e.g., (-20, -TUESDAY) is the last Tuesday before the 20th of the month * [or the 20th itself if the 20th is a Tuesday].)</li> * </ul> * @param month the daylight savings starting month. Month is 0-based. * eg, 0 for January. * @param dayOfWeekInMonth the daylight savings starting * day-of-week-in-month. Please see the member description for an example. * @param dayOfWeek the daylight savings starting day-of-week. Please see * the member description for an example. * @param time the daylight savings starting time. Please see the member * description for an example. * @param mode whether the time is local wall time, local standard time, * or UTC time. Default is local wall time. * @param status An UErrorCode * @stable ICU 2.0 / void setStartRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek, int32_t time, TimeMode mode, UErrorCode& status); /* * Sets the DST start rule to a fixed date within a month. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth The date in that month (1-based). * @param time The time of that day (number of millis after midnight) * when DST takes effect in local wall time, which is * standard time in this case. * @param status An UErrorCode * @stable ICU 2.0 / void setStartRule(int32_t month, int32_t dayOfMonth, int32_t time, UErrorCode& status); /* * Sets the DST start rule to a fixed date within a month. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth The date in that month (1-based). * @param time The time of that day (number of millis after midnight) * when DST takes effect in local wall time, which is * standard time in this case. * @param mode whether the time is local wall time, local standard time, * or UTC time. Default is local wall time. * @param status An UErrorCode * @stable ICU 2.0 / void setStartRule(int32_t month, int32_t dayOfMonth, int32_t time, TimeMode mode, UErrorCode& status); /* * Sets the DST start rule to a weekday before or after a give date within * a month, e.g., the first Monday on or after the 8th. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth A date within that month (1-based). * @param dayOfWeek The day of the week on which this rule occurs. * @param time The time of that day (number of millis after midnight) * when DST takes effect in local wall time, which is * standard time in this case. * @param after If true, this rule selects the first dayOfWeek on * or after dayOfMonth. If false, this rule selects * the last dayOfWeek on or before dayOfMonth. * @param status An UErrorCode * @stable ICU 2.0 / void setStartRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek, int32_t time, UBool after, UErrorCode& status); /* * Sets the DST start rule to a weekday before or after a give date within * a month, e.g., the first Monday on or after the 8th. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth A date within that month (1-based). * @param dayOfWeek The day of the week on which this rule occurs. * @param time The time of that day (number of millis after midnight) * when DST takes effect in local wall time, which is * standard time in this case. * @param mode whether the time is local wall time, local standard time, * or UTC time. Default is local wall time. * @param after If true, this rule selects the first dayOfWeek on * or after dayOfMonth. If false, this rule selects * the last dayOfWeek on or before dayOfMonth. * @param status An UErrorCode * @stable ICU 2.0 / void setStartRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek, int32_t time, TimeMode mode, UBool after, UErrorCode& status); /* * Sets the daylight savings ending rule. For example, if Daylight * Savings Time ends at the last (-1) Sunday in October, at 2 AM in standard time. * Therefore, you can set the end rule by calling: * <pre> * setEndRule(UCAL_OCTOBER, -1, UCAL_SUNDAY, 260601000); </pre> * Various other types of rules can be specified by manipulating the dayOfWeek * and dayOfWeekInMonth parameters. For complete details, see the documentation * for setStartRule(). * * @param month the daylight savings ending month. Month is 0-based. * eg, 0 for January. * @param dayOfWeekInMonth the daylight savings ending * day-of-week-in-month. See setStartRule() for a complete explanation. * @param dayOfWeek the daylight savings ending day-of-week. See setStartRule() * for a complete explanation. * @param time the daylight savings ending time. Please see the member * description for an example. * @param status An UErrorCode * @stable ICU 2.0 / void setEndRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek, int32_t time, UErrorCode& status); /* * Sets the daylight savings ending rule. For example, if Daylight * Savings Time ends at the last (-1) Sunday in October, at 2 AM in standard time. * Therefore, you can set the end rule by calling: * <pre> * setEndRule(UCAL_OCTOBER, -1, UCAL_SUNDAY, 260601000); </pre> * Various other types of rules can be specified by manipulating the dayOfWeek * and dayOfWeekInMonth parameters. For complete details, see the documentation * for setStartRule(). * * @param month the daylight savings ending month. Month is 0-based. * eg, 0 for January. * @param dayOfWeekInMonth the daylight savings ending * day-of-week-in-month. See setStartRule() for a complete explanation. * @param dayOfWeek the daylight savings ending day-of-week. See setStartRule() * for a complete explanation. * @param time the daylight savings ending time. Please see the member * description for an example. * @param mode whether the time is local wall time, local standard time, * or UTC time. Default is local wall time. * @param status An UErrorCode * @stable ICU 2.0 / void setEndRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek, int32_t time, TimeMode mode, UErrorCode& status); /* * Sets the DST end rule to a fixed date within a month. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth The date in that month (1-based). * @param time The time of that day (number of millis after midnight) * when DST ends in local wall time, which is daylight * time in this case. * @param status An UErrorCode * @stable ICU 2.0 / void setEndRule(int32_t month, int32_t dayOfMonth, int32_t time, UErrorCode& status); /* * Sets the DST end rule to a fixed date within a month. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth The date in that month (1-based). * @param time The time of that day (number of millis after midnight) * when DST ends in local wall time, which is daylight * time in this case. * @param mode whether the time is local wall time, local standard time, * or UTC time. Default is local wall time. * @param status An UErrorCode * @stable ICU 2.0 / void setEndRule(int32_t month, int32_t dayOfMonth, int32_t time, TimeMode mode, UErrorCode& status); /* * Sets the DST end rule to a weekday before or after a give date within * a month, e.g., the first Monday on or after the 8th. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth A date within that month (1-based). * @param dayOfWeek The day of the week on which this rule occurs. * @param time The time of that day (number of millis after midnight) * when DST ends in local wall time, which is daylight * time in this case. * @param after If true, this rule selects the first dayOfWeek on * or after dayOfMonth. If false, this rule selects * the last dayOfWeek on or before dayOfMonth. * @param status An UErrorCode * @stable ICU 2.0 / void setEndRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek, int32_t time, UBool after, UErrorCode& status); /* * Sets the DST end rule to a weekday before or after a give date within * a month, e.g., the first Monday on or after the 8th. * * @param month The month in which this rule occurs (0-based). * @param dayOfMonth A date within that month (1-based). * @param dayOfWeek The day of the week on which this rule occurs. * @param time The time of that day (number of millis after midnight) * when DST ends in local wall time, which is daylight * time in this case. * @param mode whether the time is local wall time, local standard time, * or UTC time. Default is local wall time. * @param after If true, this rule selects the first dayOfWeek on * or after dayOfMonth. If false, this rule selects * the last dayOfWeek on or before dayOfMonth. * @param status An UErrorCode * @stable ICU 2.0 / void setEndRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek, int32_t time, TimeMode mode, UBool after, UErrorCode& status); /* * Returns the TimeZone's adjusted GMT offset (i.e., the number of milliseconds to add * to GMT to get local time in this time zone, taking daylight savings time into * account) as of a particular reference date. The reference date is used to determine * whether daylight savings time is in effect and needs to be figured into the offset * that is returned (in other words, what is the adjusted GMT offset in this time zone * at this particular date and time?). For the time zones produced by createTimeZone(), * the reference data is specified according to the Gregorian calendar, and the date * and time fields are in GMT, NOT local time. * * @param era The reference date's era * @param year The reference date's year * @param month The reference date's month (0-based; 0 is January) * @param day The reference date's day-in-month (1-based) * @param dayOfWeek The reference date's day-of-week (1-based; 1 is Sunday) * @param millis The reference date's milliseconds in day, UTT (NOT local time). * @param status An UErrorCode to receive the status. * @return The offset in milliseconds to add to GMT to get local time. * @stable ICU 2.0 / 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; /* * Gets the time zone offset, for current date, modified in case of * daylight savings. This is the offset to add to UTC to get local time. * @param era the era of the given date. * @param year the year in the given date. * @param month the month in the given date. * Month is 0-based. e.g., 0 for January. * @param day the day-in-month of the given date. * @param dayOfWeek the day-of-week of the given date. * @param milliseconds the millis in day in <em>standard</em> local time. * @param monthLength the length of the given month in days. * @param status An UErrorCode to receive the status. * @return the offset to add to GMT to get local time. * @stable ICU 2.0 / virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day, uint8_t dayOfWeek, int32_t milliseconds, int32_t monthLength, UErrorCode& status) const override; /* * Gets the time zone offset, for current date, modified in case of * daylight savings. This is the offset to add to UTC to get local time. * @param era the era of the given date. * @param year the year in the given date. * @param month the month in the given date. * Month is 0-based. e.g., 0 for January. * @param day the day-in-month of the given date. * @param dayOfWeek the day-of-week of the given date. * @param milliseconds the millis in day in <em>standard</em> local time. * @param monthLength the length of the given month in days. * @param prevMonthLength length of the previous month in days. * @param status An UErrorCode to receive the status. * @return the offset to add to GMT to get local time. * @stable ICU 2.0 / virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day, uint8_t dayOfWeek, int32_t milliseconds, int32_t monthLength, int32_t prevMonthLength, UErrorCode& status) const; /* * Redeclared TimeZone method. This implementation simply calls * the base class method, which otherwise would be hidden. * @stable ICU 2.8 / virtual void getOffset(UDate date, UBool local, int32_t& rawOffset, int32_t& dstOffset, UErrorCode& ec) const override; /* * Get time zone offsets from local wall time. * @stable ICU 69 / virtual void getOffsetFromLocal( UDate date, UTimeZoneLocalOption nonExistingTimeOpt, UTimeZoneLocalOption duplicatedTimeOpt, int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const override; /* * Returns the TimeZone's raw GMT offset (i.e., the number of milliseconds to add * to GMT to get local time, before taking daylight savings time into account). * * @return The TimeZone's raw GMT offset. * @stable ICU 2.0 / virtual int32_t getRawOffset() const override; /* * Sets the TimeZone's raw GMT offset (i.e., the number of milliseconds to add * to GMT to get local time, before taking daylight savings time into account). * * @param offsetMillis The new raw GMT offset for this time zone. * @stable ICU 2.0 / virtual void setRawOffset(int32_t offsetMillis) override; /* * Sets the amount of time in ms that the clock is advanced during DST. * @param millisSavedDuringDST the number of milliseconds the time is * advanced with respect to standard time when the daylight savings rules * are in effect. Typically one hour (+3600000). The amount could be negative, * but not 0. * @param status An UErrorCode to receive the status. * @stable ICU 2.0 / void setDSTSavings(int32_t millisSavedDuringDST, UErrorCode& status); /* * Returns the amount of time in ms that the clock is advanced during DST. * @return the number of milliseconds the time is * advanced with respect to standard time when the daylight savings rules * are in effect. Typically one hour (+3600000). The amount could be negative, * but not 0. * @stable ICU 2.0 / virtual int32_t getDSTSavings() const override; /* * Queries if this TimeZone uses Daylight Savings Time. * * @return True if this TimeZone uses Daylight Savings Time; false otherwise. * @stable ICU 2.0 / virtual UBool useDaylightTime() const override; #ifndef U_FORCE_HIDE_DEPRECATED_API /* * Returns true if the given date is within the period when daylight savings time * is in effect; false otherwise. If the TimeZone doesn't observe daylight savings * time, this functions always returns false. * This method is wasteful since it creates a new GregorianCalendar and * deletes it each time it is called. This is a deprecated method * and provided only for Java compatibility. * * @param date The date to test. * @param status An UErrorCode to receive the status. * @return true if the given date is in Daylight Savings Time; * false otherwise. * @deprecated ICU 2.4. Use Calendar::inDaylightTime() instead. / virtual UBool inDaylightTime(UDate date, UErrorCode& status) const override; #endif // U_FORCE_HIDE_DEPRECATED_API /* * Return true if this zone has the same rules and offset as another zone. * @param other the TimeZone object to be compared with * @return true if the given zone has the same rules and offset as this one * @stable ICU 2.0 / UBool hasSameRules(const TimeZone& other) const override; /* * Clones TimeZone objects polymorphically. Clients are responsible for deleting * the TimeZone object cloned. * * @return A new copy of this TimeZone object. * @stable ICU 2.0 / virtual SimpleTimeZone clone() const override; /** * Gets the first time zone transition after the base time. * @param base The base time. * @param inclusive Whether the base time is inclusive or not. * @param result Receives the first transition after the base time. * @return true if the transition is found. * @stable ICU 3.8 / virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const override; /* * Gets the most recent time zone transition before the base time. * @param base The base time. * @param inclusive Whether the base time is inclusive or not. * @param result Receives the most recent transition before the base time. * @return true if the transition is found. * @stable ICU 3.8 / virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const override; /* * Returns the number of <code>TimeZoneRule</code>s which represents time transitions, * for this time zone, that is, all <code>TimeZoneRule</code>s for this time zone except * <code>InitialTimeZoneRule</code>. The return value range is 0 or any positive value. * @param status Receives error status code. * @return The number of <code>TimeZoneRule</code>s representing time transitions. * @stable ICU 3.8 / virtual int32_t countTransitionRules(UErrorCode& status) const override; /* * Gets the <code>InitialTimeZoneRule</code> and the set of <code>TimeZoneRule</code> * which represent time transitions for this time zone. On successful return, * the argument initial points to non-nullptr <code>InitialTimeZoneRule</code> and * the array trsrules is filled with 0 or multiple <code>TimeZoneRule</code> * instances up to the size specified by trscount. The results are referencing the * rule instance held by this time zone instance. Therefore, after this time zone * is destructed, they are no longer available. * @param initial Receives the initial timezone rule * @param trsrules Receives the timezone transition rules * @param trscount On input, specify the size of the array 'transitions' receiving * the timezone transition rules. On output, actual number of * rules filled in the array will be set. * @param status Receives error status code. * @stable ICU 3.8 / virtual void getTimeZoneRules(const InitialTimeZoneRule& initial, const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const override; public: /** * Override TimeZone Returns a unique class ID POLYMORPHICALLY. Pure virtual * override. This method is to implement a simple version of RTTI, since not all C++ * compilers support genuine RTTI. Polymorphic operator==() and clone() methods call * this method. * * @return The class ID for this object. All objects of a given class have the * same class ID. Objects of other classes have different class IDs. * @stable ICU 2.0 / virtual UClassID getDynamicClassID() const override; /* * Return the class ID for this class. This is useful only for comparing to a return * value from getDynamicClassID(). For example: * <pre> * . Base* polymorphic_pointer = createPolymorphicObject(); * . if (polymorphic_pointer->getDynamicClassID() == * . Derived::getStaticClassID()) ... * </pre> * @return The class ID for all objects of this class. * @stable ICU 2.0 / static UClassID U_EXPORT2 getStaticClassID(); private: /* * Constants specifying values of startMode and endMode. / enum EMode { DOM_MODE = 1, DOW_IN_MONTH_MODE, DOW_GE_DOM_MODE, DOW_LE_DOM_MODE }; SimpleTimeZone() = delete; // default constructor not implemented /* * Internal construction method. * @param rawOffsetGMT The new SimpleTimeZone's raw GMT offset * @param startMonth the month DST starts * @param startDay the day DST starts * @param startDayOfWeek the DOW DST starts * @param startTime the time DST starts * @param startTimeMode Whether the start time is local wall time, local * standard time, or UTC time. Default is local wall time. * @param endMonth the month DST ends * @param endDay the day DST ends * @param endDayOfWeek the DOW DST ends * @param endTime the time DST ends * @param endTimeMode Whether the end time is local wall time, local * standard time, or UTC time. Default is local wall time. * @param dstSavings The number of milliseconds added to standard time * to get DST time. Default is one hour. * @param status An UErrorCode to receive the status. / void construct(int32_t rawOffsetGMT, int8_t startMonth, int8_t startDay, int8_t startDayOfWeek, int32_t startTime, TimeMode startTimeMode, int8_t endMonth, int8_t endDay, int8_t endDayOfWeek, int32_t endTime, TimeMode endTimeMode, int32_t dstSavings, UErrorCode& status); /* * Compare a given date in the year to a rule. Return 1, 0, or -1, depending * on whether the date is after, equal to, or before the rule date. The * millis are compared directly against the ruleMillis, so any * standard-daylight adjustments must be handled by the caller. * * @return 1 if the date is after the rule date, -1 if the date is before * the rule date, or 0 if the date is equal to the rule date. / static int32_t compareToRule(int8_t month, int8_t monthLen, int8_t prevMonthLen, int8_t dayOfMonth, int8_t dayOfWeek, int32_t millis, int32_t millisDelta, EMode ruleMode, int8_t ruleMonth, int8_t ruleDayOfWeek, int8_t ruleDay, int32_t ruleMillis); /* * Given a set of encoded rules in startDay and startDayOfMonth, decode * them and set the startMode appropriately. Do the same for endDay and * endDayOfMonth. * <P> * Upon entry, the day of week variables may be zero or * negative, in order to indicate special modes. The day of month * variables may also be negative. * <P> * Upon exit, the mode variables will be * set, and the day of week and day of month variables will be positive. * <P> * This method also recognizes a startDay or endDay of zero as indicating * no DST. / void decodeRules(UErrorCode& status); void decodeStartRule(UErrorCode& status); void decodeEndRule(UErrorCode& status); int8_t startMonth, startDay, startDayOfWeek; // the month, day, DOW, and time DST starts int32_t startTime; TimeMode startTimeMode, endTimeMode; // Mode for startTime, endTime; see TimeMode int8_t endMonth, endDay, endDayOfWeek; // the month, day, DOW, and time DST ends int32_t endTime; int32_t startYear; // the year these DST rules took effect int32_t rawOffset; // the TimeZone's raw GMT offset UBool useDaylight; // flag indicating whether this TimeZone uses DST static const int8_t STATICMONTHLENGTH[12]; // lengths of the months EMode startMode, endMode; // flags indicating what kind of rules the DST rules are /* * A positive value indicating the amount of time saved during DST in ms. * Typically one hour; sometimes 30 minutes. / int32_t dstSavings; / Private for BasicTimeZone implementation / void checkTransitionRules(UErrorCode& status) const; void initTransitionRules(UErrorCode& status); void clearTransitionRules(); void deleteTransitionRules(); UBool transitionRulesInitialized; InitialTimeZoneRule initialRule; TimeZoneTransition* firstTransition; AnnualTimeZoneRule* stdRule; AnnualTimeZoneRule* dstRule; }; inline void SimpleTimeZone::setStartRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek, int32_t time, UErrorCode& status) { setStartRule(month, dayOfWeekInMonth, dayOfWeek, time, WALL_TIME, status); } inline void SimpleTimeZone::setStartRule(int32_t month, int32_t dayOfMonth, int32_t time, UErrorCode& status) { setStartRule(month, dayOfMonth, time, WALL_TIME, status); } inline void SimpleTimeZone::setStartRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek, int32_t time, UBool after, UErrorCode& status) { setStartRule(month, dayOfMonth, dayOfWeek, time, WALL_TIME, after, status); } inline void SimpleTimeZone::setEndRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek, int32_t time, UErrorCode& status) { setEndRule(month, dayOfWeekInMonth, dayOfWeek, time, WALL_TIME, status); } inline void SimpleTimeZone::setEndRule(int32_t month, int32_t dayOfMonth, int32_t time, UErrorCode& status) { setEndRule(month, dayOfMonth, time, WALL_TIME, status); } inline void SimpleTimeZone::setEndRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek, int32_t time, UBool after, UErrorCode& status) { setEndRule(month, dayOfMonth, dayOfWeek, time, WALL_TIME, after, status); } inline void SimpleTimeZone::getOffset(UDate date, UBool local, int32_t& rawOffsetRef, int32_t& dstOffsetRef, UErrorCode& ec) const { TimeZone::getOffset(date, local, rawOffsetRef, dstOffsetRef, ec); } U_NAMESPACE_END #endif /* #if !UCONFIG_NO_FORMATTING / #endif / U_SHOW_CPLUSPLUS_API */ #endif // _SIMPLETZ Back

Edit File : simpletz.h | Size : 45.62 KB

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 ********************************************************************************
 * Copyright (C) 1997-2013, International Business Machines                     *
 * Corporation and others. All Rights Reserved.                                 *
 ********************************************************************************
 *
 * File SIMPLETZ.H
 *
 * Modification History:
 *
 *   Date        Name        Description
 *   04/21/97    aliu        Overhauled header.
 *   08/10/98    stephen     JDK 1.2 sync
 *                           Added setStartRule() / setEndRule() overloads
 *                           Added hasSameRules()
 *   09/02/98    stephen     Added getOffset(monthLen)
 *                           Changed getOffset() to take UErrorCode
 *   07/09/99    stephen     Removed millisPerHour (unused, for HP compiler)
 *   12/02/99    aliu        Added TimeMode and constructor and setStart/EndRule
 *                           methods that take TimeMode. Added to docs.
 ********************************************************************************
 */

#ifndef SIMPLETZ_H
#define SIMPLETZ_H

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

/**
 * \file 
 * \brief C++ API: SimpleTimeZone is a concrete subclass of TimeZone.
 */
 
#if !UCONFIG_NO_FORMATTING

#include "unicode/basictz.h"

U_NAMESPACE_BEGIN

// forward declaration
class InitialTimeZoneRule;
class TimeZoneTransition;
class AnnualTimeZoneRule;

/**
 * <code>SimpleTimeZone</code> is a concrete subclass of <code>TimeZone</code>
 * that represents a time zone for use with a Gregorian calendar. This
 * class does not handle historical changes.
 * 
 * When specifying daylight-savings-time begin and end dates, use a negative value for
 * <code>dayOfWeekInMonth</code> to indicate that <code>SimpleTimeZone</code> should
 * count from the end of the month backwards. For example, if Daylight Savings
 * Time starts or ends at the last Sunday a month, use <code>dayOfWeekInMonth = -1</code>
 * along with <code>dayOfWeek = UCAL_SUNDAY</code> to specify the rule.
 *
 * @see Calendar
 * @see GregorianCalendar
 * @see TimeZone
 * @author D. Goldsmith, Mark Davis, Chen-Lieh Huang, Alan Liu
 */
class U_I18N_API SimpleTimeZone: public BasicTimeZone {
public:

/**
     * TimeMode is used, together with a millisecond offset after
     * midnight, to specify a rule transition time.  Most rules
     * transition at a local wall time, that is, according to the
     * current time in effect, either standard, or DST.  However, some
     * rules transition at local standard time, and some at a specific
     * UTC time.  Although it might seem that all times could be
     * converted to wall time, thus eliminating the need for this
     * parameter, this is not the case.
     * @stable ICU 2.0
     */
    enum TimeMode {
        WALL_TIME = 0,
        STANDARD_TIME,
        UTC_TIME
    };

/**
     * Copy constructor
     * @param source the object to be copied.
     * @stable ICU 2.0
     */
    SimpleTimeZone(const SimpleTimeZone& source);

/**
     * Default assignment operator
     * @param right    the object to be copied.
     * @stable ICU 2.0
     */
    SimpleTimeZone& operator=(const SimpleTimeZone& right);

/**
     * Destructor
     * @stable ICU 2.0
     */
    virtual ~SimpleTimeZone();

/**
     * Returns true if the two TimeZone objects are equal; that is, they have
     * the same ID, raw GMT offset, and DST rules.
     *
     * @param that  The SimpleTimeZone object to be compared with.
     * @return      true if the given time zone is equal to this time zone; false
     *              otherwise.
     * @stable ICU 2.0
     */
    virtual bool operator==(const TimeZone& that) const override;

/**
     * Constructs a SimpleTimeZone with the given raw GMT offset and time zone ID,
     * and which doesn't observe daylight savings time.  Normally you should use
     * TimeZone::createInstance() to create a TimeZone instead of creating a
     * SimpleTimeZone directly with this constructor.
     *
     * @param rawOffsetGMT  The given base time zone offset to GMT.
     * @param ID         The timezone ID which is obtained from
     *                   TimeZone.getAvailableIDs.
     * @stable ICU 2.0
     */
    SimpleTimeZone(int32_t rawOffsetGMT, const UnicodeString& ID);

/**
 * Construct a SimpleTimeZone with the given raw GMT offset, time zone ID,
 * and times to start and end daylight savings time. To create a TimeZone that
 * doesn't observe daylight savings time, don't use this constructor; use
 * SimpleTimeZone(rawOffset, ID) instead. Normally, you should use
 * TimeZone.createInstance() to create a TimeZone instead of creating a
 * SimpleTimeZone directly with this constructor.
 * 
 * Various types of daylight-savings time rules can be specified by using different
 * values for startDay and startDayOfWeek and endDay and endDayOfWeek. For a
 * complete explanation of how these parameters work, see the documentation for
 * setStartRule().
 *
 * @param rawOffsetGMT The new SimpleTimeZone's raw GMT offset
 * @param ID The new SimpleTimeZone's time zone ID.
 * @param savingsStartMonth The daylight savings starting month. Month is
 * 0-based. eg, 0 for January.
 * @param savingsStartDayOfWeekInMonth The daylight savings starting
 * day-of-week-in-month. See setStartRule() for a
 * complete explanation.
 * @param savingsStartDayOfWeek The daylight savings starting day-of-week.
 * See setStartRule() for a complete explanation.
 * @param savingsStartTime The daylight savings starting time, expressed as the
 * number of milliseconds after midnight.
 * @param savingsEndMonth The daylight savings ending month. Month is
 * 0-based. eg, 0 for January.
 * @param savingsEndDayOfWeekInMonth The daylight savings ending day-of-week-in-month.
 * See setStartRule() for a complete explanation.
 * @param savingsEndDayOfWeek The daylight savings ending day-of-week.
 * See setStartRule() for a complete explanation.
 * @param savingsEndTime The daylight savings ending time, expressed as the
 * number of milliseconds after midnight.
 * @param status An UErrorCode to receive the status.
 * @stable ICU 2.0
 */
 SimpleTimeZone(int32_t rawOffsetGMT, const UnicodeString& ID,
 int8_t savingsStartMonth, int8_t savingsStartDayOfWeekInMonth,
 int8_t savingsStartDayOfWeek, int32_t savingsStartTime,
 int8_t savingsEndMonth, int8_t savingsEndDayOfWeekInMonth,
 int8_t savingsEndDayOfWeek, int32_t savingsEndTime,
 UErrorCode& status);
 /**
 * Construct a SimpleTimeZone with the given raw GMT offset, time zone ID,
 * and times to start and end daylight savings time. To create a TimeZone that
 * doesn't observe daylight savings time, don't use this constructor; use
 * SimpleTimeZone(rawOffset, ID) instead. Normally, you should use
 * TimeZone.createInstance() to create a TimeZone instead of creating a
 * SimpleTimeZone directly with this constructor.
 * 
 * Various types of daylight-savings time rules can be specified by using different
 * values for startDay and startDayOfWeek and endDay and endDayOfWeek. For a
 * complete explanation of how these parameters work, see the documentation for
 * setStartRule().
 *
 * @param rawOffsetGMT The new SimpleTimeZone's raw GMT offset
 * @param ID The new SimpleTimeZone's time zone ID.
 * @param savingsStartMonth The daylight savings starting month. Month is
 * 0-based. eg, 0 for January.
 * @param savingsStartDayOfWeekInMonth The daylight savings starting
 * day-of-week-in-month. See setStartRule() for a
 * complete explanation.
 * @param savingsStartDayOfWeek The daylight savings starting day-of-week.
 * See setStartRule() for a complete explanation.
 * @param savingsStartTime The daylight savings starting time, expressed as the
 * number of milliseconds after midnight.
 * @param savingsEndMonth The daylight savings ending month. Month is
 * 0-based. eg, 0 for January.
 * @param savingsEndDayOfWeekInMonth The daylight savings ending day-of-week-in-month.
 * See setStartRule() for a complete explanation.
 * @param savingsEndDayOfWeek The daylight savings ending day-of-week.
 * See setStartRule() for a complete explanation.
 * @param savingsEndTime The daylight savings ending time, expressed as the
 * number of milliseconds after midnight.
 * @param savingsDST The number of milliseconds added to standard time
 * to get DST time. Default is one hour.
 * @param status An UErrorCode to receive the status.
 * @stable ICU 2.0
 */
 SimpleTimeZone(int32_t rawOffsetGMT, const UnicodeString& ID,
 int8_t savingsStartMonth, int8_t savingsStartDayOfWeekInMonth,
 int8_t savingsStartDayOfWeek, int32_t savingsStartTime,
 int8_t savingsEndMonth, int8_t savingsEndDayOfWeekInMonth,
 int8_t savingsEndDayOfWeek, int32_t savingsEndTime,
 int32_t savingsDST, UErrorCode& status);

/**
     * Sets the daylight savings starting year, that is, the year this time zone began
     * observing its specified daylight savings time rules.  The time zone is considered
     * not to observe daylight savings time prior to that year; SimpleTimeZone doesn't
     * support historical daylight-savings-time rules.
     * @param year the daylight savings starting year.
     * @stable ICU 2.0
     */
    void setStartYear(int32_t year);

/**
 * Sets the daylight savings starting rule. For example, in the U.S., Daylight Savings
 * Time starts at the second Sunday in March, at 2 AM in standard time.
 * Therefore, you can set the start rule by calling:
 * setStartRule(UCAL_MARCH, 2, UCAL_SUNDAY, 2*60*60*1000);
 * The dayOfWeekInMonth and dayOfWeek parameters together specify how to calculate
 * the exact starting date. Their exact meaning depend on their respective signs,
 * allowing various types of rules to be constructed, as follows:
 * <ul>
 * <li>If both dayOfWeekInMonth and dayOfWeek are positive, they specify the
 * day of week in the month (e.g., (2, WEDNESDAY) is the second Wednesday
 * of the month).</li>
 * <li>If dayOfWeek is positive and dayOfWeekInMonth is negative, they specify
 * the day of week in the month counting backward from the end of the month.
 * (e.g., (-1, MONDAY) is the last Monday in the month)</li>
 * <li>If dayOfWeek is zero and dayOfWeekInMonth is positive, dayOfWeekInMonth
 * specifies the day of the month, regardless of what day of the week it is.
 * (e.g., (10, 0) is the tenth day of the month)</li>
 * <li>If dayOfWeek is zero and dayOfWeekInMonth is negative, dayOfWeekInMonth
 * specifies the day of the month counting backward from the end of the
 * month, regardless of what day of the week it is (e.g., (-2, 0) is the
 * next-to-last day of the month).</li>
 * <li>If dayOfWeek is negative and dayOfWeekInMonth is positive, they specify the
 * first specified day of the week on or after the specified day of the month.
 * (e.g., (15, -SUNDAY) is the first Sunday after the 15th of the month
 * [or the 15th itself if the 15th is a Sunday].)</li>
 * <li>If dayOfWeek and DayOfWeekInMonth are both negative, they specify the
 * last specified day of the week on or before the specified day of the month.
 * (e.g., (-20, -TUESDAY) is the last Tuesday before the 20th of the month
 * [or the 20th itself if the 20th is a Tuesday].)</li>
 * </ul>
 * @param month the daylight savings starting month. Month is 0-based.
 * eg, 0 for January.
 * @param dayOfWeekInMonth the daylight savings starting
 * day-of-week-in-month. Please see the member description for an example.
 * @param dayOfWeek the daylight savings starting day-of-week. Please see
 * the member description for an example.
 * @param time the daylight savings starting time. Please see the member
 * description for an example.
 * @param status An UErrorCode
 * @stable ICU 2.0
 */
 void setStartRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek,
 int32_t time, UErrorCode& status);
 /**
 * Sets the daylight savings starting rule. For example, in the U.S., Daylight Savings
 * Time starts at the second Sunday in March, at 2 AM in standard time.
 * Therefore, you can set the start rule by calling:
 * setStartRule(UCAL_MARCH, 2, UCAL_SUNDAY, 2*60*60*1000);
 * The dayOfWeekInMonth and dayOfWeek parameters together specify how to calculate
 * the exact starting date. Their exact meaning depend on their respective signs,
 * allowing various types of rules to be constructed, as follows:
 * <ul>
 * <li>If both dayOfWeekInMonth and dayOfWeek are positive, they specify the
 * day of week in the month (e.g., (2, WEDNESDAY) is the second Wednesday
 * of the month).</li>
 * <li>If dayOfWeek is positive and dayOfWeekInMonth is negative, they specify
 * the day of week in the month counting backward from the end of the month.
 * (e.g., (-1, MONDAY) is the last Monday in the month)</li>
 * <li>If dayOfWeek is zero and dayOfWeekInMonth is positive, dayOfWeekInMonth
 * specifies the day of the month, regardless of what day of the week it is.
 * (e.g., (10, 0) is the tenth day of the month)</li>
 * <li>If dayOfWeek is zero and dayOfWeekInMonth is negative, dayOfWeekInMonth
 * specifies the day of the month counting backward from the end of the
 * month, regardless of what day of the week it is (e.g., (-2, 0) is the
 * next-to-last day of the month).</li>
 * <li>If dayOfWeek is negative and dayOfWeekInMonth is positive, they specify the
 * first specified day of the week on or after the specified day of the month.
 * (e.g., (15, -SUNDAY) is the first Sunday after the 15th of the month
 * [or the 15th itself if the 15th is a Sunday].)</li>
 * <li>If dayOfWeek and DayOfWeekInMonth are both negative, they specify the
 * last specified day of the week on or before the specified day of the month.
 * (e.g., (-20, -TUESDAY) is the last Tuesday before the 20th of the month
 * [or the 20th itself if the 20th is a Tuesday].)</li>
 * </ul>
 * @param month the daylight savings starting month. Month is 0-based.
 * eg, 0 for January.
 * @param dayOfWeekInMonth the daylight savings starting
 * day-of-week-in-month. Please see the member description for an example.
 * @param dayOfWeek the daylight savings starting day-of-week. Please see
 * the member description for an example.
 * @param time the daylight savings starting time. Please see the member
 * description for an example.
 * @param mode whether the time is local wall time, local standard time,
 * or UTC time. Default is local wall time.
 * @param status An UErrorCode
 * @stable ICU 2.0
 */
 void setStartRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek,
 int32_t time, TimeMode mode, UErrorCode& status);

/**
     * Sets the DST start rule to a fixed date within a month.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    The date in that month (1-based).
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST takes effect in local wall time, which is
     *                      standard time in this case.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setStartRule(int32_t month, int32_t dayOfMonth, int32_t time,
                      UErrorCode& status);
    /**
     * Sets the DST start rule to a fixed date within a month.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    The date in that month (1-based).
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST takes effect in local wall time, which is
     *                      standard time in this case.
     * @param mode whether the time is local wall time, local standard time,
     * or UTC time. Default is local wall time.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setStartRule(int32_t month, int32_t dayOfMonth, int32_t time,
                      TimeMode mode, UErrorCode& status);

/**
     * Sets the DST start rule to a weekday before or after a give date within
     * a month, e.g., the first Monday on or after the 8th.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    A date within that month (1-based).
     * @param dayOfWeek     The day of the week on which this rule occurs.
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST takes effect in local wall time, which is
     *                      standard time in this case.
     * @param after         If true, this rule selects the first dayOfWeek on
     *                      or after dayOfMonth.  If false, this rule selects
     *                      the last dayOfWeek on or before dayOfMonth.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setStartRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
                      int32_t time, UBool after, UErrorCode& status);
    /**
     * Sets the DST start rule to a weekday before or after a give date within
     * a month, e.g., the first Monday on or after the 8th.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    A date within that month (1-based).
     * @param dayOfWeek     The day of the week on which this rule occurs.
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST takes effect in local wall time, which is
     *                      standard time in this case.
     * @param mode whether the time is local wall time, local standard time,
     * or UTC time. Default is local wall time.
     * @param after         If true, this rule selects the first dayOfWeek on
     *                      or after dayOfMonth.  If false, this rule selects
     *                      the last dayOfWeek on or before dayOfMonth.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setStartRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
                      int32_t time, TimeMode mode, UBool after, UErrorCode& status);

/**
 * Sets the daylight savings ending rule. For example, if Daylight
 * Savings Time ends at the last (-1) Sunday in October, at 2 AM in standard time.
 * Therefore, you can set the end rule by calling:
 * <pre>
 * setEndRule(UCAL_OCTOBER, -1, UCAL_SUNDAY, 2*60*60*1000);
 * </pre>
 * Various other types of rules can be specified by manipulating the dayOfWeek
 * and dayOfWeekInMonth parameters. For complete details, see the documentation
 * for setStartRule().
 *
 * @param month the daylight savings ending month. Month is 0-based.
 * eg, 0 for January.
 * @param dayOfWeekInMonth the daylight savings ending
 * day-of-week-in-month. See setStartRule() for a complete explanation.
 * @param dayOfWeek the daylight savings ending day-of-week. See setStartRule()
 * for a complete explanation.
 * @param time the daylight savings ending time. Please see the member
 * description for an example.
 * @param status An UErrorCode
 * @stable ICU 2.0
 */
 void setEndRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek,
 int32_t time, UErrorCode& status);

/**
 * Sets the daylight savings ending rule. For example, if Daylight
 * Savings Time ends at the last (-1) Sunday in October, at 2 AM in standard time.
 * Therefore, you can set the end rule by calling:
 * <pre>
 * setEndRule(UCAL_OCTOBER, -1, UCAL_SUNDAY, 2*60*60*1000);
 * </pre>
 * Various other types of rules can be specified by manipulating the dayOfWeek
 * and dayOfWeekInMonth parameters. For complete details, see the documentation
 * for setStartRule().
 *
 * @param month the daylight savings ending month. Month is 0-based.
 * eg, 0 for January.
 * @param dayOfWeekInMonth the daylight savings ending
 * day-of-week-in-month. See setStartRule() for a complete explanation.
 * @param dayOfWeek the daylight savings ending day-of-week. See setStartRule()
 * for a complete explanation.
 * @param time the daylight savings ending time. Please see the member
 * description for an example.
 * @param mode whether the time is local wall time, local standard time,
 * or UTC time. Default is local wall time.
 * @param status An UErrorCode
 * @stable ICU 2.0
 */
 void setEndRule(int32_t month, int32_t dayOfWeekInMonth, int32_t dayOfWeek,
 int32_t time, TimeMode mode, UErrorCode& status);

/**
     * Sets the DST end rule to a fixed date within a month.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    The date in that month (1-based).
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST ends in local wall time, which is daylight
     *                      time in this case.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setEndRule(int32_t month, int32_t dayOfMonth, int32_t time, UErrorCode& status);

/**
     * Sets the DST end rule to a fixed date within a month.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    The date in that month (1-based).
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST ends in local wall time, which is daylight
     *                      time in this case.
     * @param mode whether the time is local wall time, local standard time,
     * or UTC time. Default is local wall time.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setEndRule(int32_t month, int32_t dayOfMonth, int32_t time,
                    TimeMode mode, UErrorCode& status);

/**
     * Sets the DST end rule to a weekday before or after a give date within
     * a month, e.g., the first Monday on or after the 8th.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    A date within that month (1-based).
     * @param dayOfWeek     The day of the week on which this rule occurs.
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST ends in local wall time, which is daylight
     *                      time in this case.
     * @param after         If true, this rule selects the first dayOfWeek on
     *                      or after dayOfMonth.  If false, this rule selects
     *                      the last dayOfWeek on or before dayOfMonth.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setEndRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
                    int32_t time, UBool after, UErrorCode& status);

/**
     * Sets the DST end rule to a weekday before or after a give date within
     * a month, e.g., the first Monday on or after the 8th.
     *
     * @param month         The month in which this rule occurs (0-based).
     * @param dayOfMonth    A date within that month (1-based).
     * @param dayOfWeek     The day of the week on which this rule occurs.
     * @param time          The time of that day (number of millis after midnight)
     *                      when DST ends in local wall time, which is daylight
     *                      time in this case.
     * @param mode whether the time is local wall time, local standard time,
     * or UTC time. Default is local wall time.
     * @param after         If true, this rule selects the first dayOfWeek on
     *                      or after dayOfMonth.  If false, this rule selects
     *                      the last dayOfWeek on or before dayOfMonth.
     * @param status An UErrorCode
     * @stable ICU 2.0
     */
    void setEndRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
                    int32_t time, TimeMode mode, UBool after, UErrorCode& status);

/**
     * Returns the TimeZone's adjusted GMT offset (i.e., the number of milliseconds to add
     * to GMT to get local time in this time zone, taking daylight savings time into
     * account) as of a particular reference date.  The reference date is used to determine
     * whether daylight savings time is in effect and needs to be figured into the offset
     * that is returned (in other words, what is the adjusted GMT offset in this time zone
     * at this particular date and time?).  For the time zones produced by createTimeZone(),
     * the reference data is specified according to the Gregorian calendar, and the date
     * and time fields are in GMT, NOT local time.
     *
     * @param era        The reference date's era
     * @param year       The reference date's year
     * @param month      The reference date's month (0-based; 0 is January)
     * @param day        The reference date's day-in-month (1-based)
     * @param dayOfWeek  The reference date's day-of-week (1-based; 1 is Sunday)
     * @param millis     The reference date's milliseconds in day, UTT (NOT local time).
     * @param status     An UErrorCode to receive the status.
     * @return           The offset in milliseconds to add to GMT to get local time.
     * @stable ICU 2.0
     */
    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;

/**
 * Gets the time zone offset, for current date, modified in case of
 * daylight savings. This is the offset to add *to* UTC to get local time.
 * @param era the era of the given date.
 * @param year the year in the given date.
 * @param month the month in the given date.
 * Month is 0-based. e.g., 0 for January.
 * @param day the day-in-month of the given date.
 * @param dayOfWeek the day-of-week of the given date.
 * @param milliseconds the millis in day in standard local time.
 * @param monthLength the length of the given month in days.
 * @param status An UErrorCode to receive the status.
 * @return the offset to add *to* GMT to get local time.
 * @stable ICU 2.0
 */
 virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
 uint8_t dayOfWeek, int32_t milliseconds,
 int32_t monthLength, UErrorCode& status) const override;
 /**
 * Gets the time zone offset, for current date, modified in case of
 * daylight savings. This is the offset to add *to* UTC to get local time.
 * @param era the era of the given date.
 * @param year the year in the given date.
 * @param month the month in the given date.
 * Month is 0-based. e.g., 0 for January.
 * @param day the day-in-month of the given date.
 * @param dayOfWeek the day-of-week of the given date.
 * @param milliseconds the millis in day in standard local time.
 * @param monthLength the length of the given month in days.
 * @param prevMonthLength length of the previous month in days.
 * @param status An UErrorCode to receive the status.
 * @return the offset to add *to* GMT to get local time.
 * @stable ICU 2.0
 */
 virtual int32_t getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
 uint8_t dayOfWeek, int32_t milliseconds,
 int32_t monthLength, int32_t prevMonthLength,
 UErrorCode& status) const;

/**
     * Redeclared TimeZone method.  This implementation simply calls
     * the base class method, which otherwise would be hidden.
     * @stable ICU 2.8
     */
    virtual void getOffset(UDate date, UBool local, int32_t& rawOffset,
                           int32_t& dstOffset, UErrorCode& ec) const override;

/**
     * Get time zone offsets from local wall time.
     * @stable ICU 69
     */
    virtual void getOffsetFromLocal(
        UDate date, UTimeZoneLocalOption nonExistingTimeOpt,
        UTimeZoneLocalOption duplicatedTimeOpt,
        int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const override;

/**
     * Returns the TimeZone's raw GMT offset (i.e., the number of milliseconds to add
     * to GMT to get local time, before taking daylight savings time into account).
     *
     * @return   The TimeZone's raw GMT offset.
     * @stable ICU 2.0
     */
    virtual int32_t getRawOffset() const override;

/**
     * Sets the TimeZone's raw GMT offset (i.e., the number of milliseconds to add
     * to GMT to get local time, before taking daylight savings time into account).
     *
     * @param offsetMillis  The new raw GMT offset for this time zone.
     * @stable ICU 2.0
     */
    virtual void setRawOffset(int32_t offsetMillis) override;

/**
     * Sets the amount of time in ms that the clock is advanced during DST.
     * @param millisSavedDuringDST the number of milliseconds the time is
     * advanced with respect to standard time when the daylight savings rules
     * are in effect. Typically one hour (+3600000). The amount could be negative,
     * but not 0.
     * @param status  An UErrorCode to receive the status.
     * @stable ICU 2.0
     */
    void setDSTSavings(int32_t millisSavedDuringDST, UErrorCode& status);

/**
     * Returns the amount of time in ms that the clock is advanced during DST.
     * @return the number of milliseconds the time is
     * advanced with respect to standard time when the daylight savings rules
     * are in effect. Typically one hour (+3600000). The amount could be negative,
     * but not 0.
     * @stable ICU 2.0
     */
    virtual int32_t getDSTSavings() const override;

/**
     * Queries if this TimeZone uses Daylight Savings Time.
     *
     * @return   True if this TimeZone uses Daylight Savings Time; false otherwise.
     * @stable ICU 2.0
     */
    virtual UBool useDaylightTime() const override;

#ifndef U_FORCE_HIDE_DEPRECATED_API
    /**
     * Returns true if the given date is within the period when daylight savings time
     * is in effect; false otherwise.  If the TimeZone doesn't observe daylight savings
     * time, this functions always returns false.
     * This method is wasteful since it creates a new GregorianCalendar and
     * deletes it each time it is called. This is a deprecated method
     * and provided only for Java compatibility.
     *
     * @param date The date to test.
     * @param status  An UErrorCode to receive the status.
     * @return true if the given date is in Daylight Savings Time;
     * false otherwise.
     * @deprecated ICU 2.4. Use Calendar::inDaylightTime() instead.
     */
    virtual UBool inDaylightTime(UDate date, UErrorCode& status) const override;
#endif  // U_FORCE_HIDE_DEPRECATED_API

/**
     * Return true if this zone has the same rules and offset as another zone.
     * @param other the TimeZone object to be compared with
     * @return true if the given zone has the same rules and offset as this one
     * @stable ICU 2.0
     */
    UBool hasSameRules(const TimeZone& other) const override;

/**
     * Clones TimeZone objects polymorphically. Clients are responsible for deleting
     * the TimeZone object cloned.
     *
     * @return   A new copy of this TimeZone object.
     * @stable ICU 2.0
     */
    virtual SimpleTimeZone* clone() const override;

/**
     * Gets the first time zone transition after the base time.
     * @param base      The base time.
     * @param inclusive Whether the base time is inclusive or not.
     * @param result    Receives the first transition after the base time.
     * @return  true if the transition is found.
     * @stable ICU 3.8
     */
    virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const override;

/**
     * Gets the most recent time zone transition before the base time.
     * @param base      The base time.
     * @param inclusive Whether the base time is inclusive or not.
     * @param result    Receives the most recent transition before the base time.
     * @return  true if the transition is found.
     * @stable ICU 3.8
     */
    virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const override;

/**
 * Returns the number of <code>TimeZoneRule</code>s which represents time transitions,
 * for this time zone, that is, all <code>TimeZoneRule</code>s for this time zone except
 * <code>InitialTimeZoneRule</code>. The return value range is 0 or any positive value.
 * @param status Receives error status code.
 * @return The number of <code>TimeZoneRule</code>s representing time transitions.
 * @stable ICU 3.8
 */
 virtual int32_t countTransitionRules(UErrorCode& status) const override;

/**
 * Gets the <code>InitialTimeZoneRule</code> and the set of <code>TimeZoneRule</code>
 * which represent time transitions for this time zone. On successful return,
 * the argument initial points to non-nullptr <code>InitialTimeZoneRule</code> and
 * the array trsrules is filled with 0 or multiple <code>TimeZoneRule</code>
 * instances up to the size specified by trscount. The results are referencing the
 * rule instance held by this time zone instance. Therefore, after this time zone
 * is destructed, they are no longer available.
 * @param initial Receives the initial timezone rule
 * @param trsrules Receives the timezone transition rules
 * @param trscount On input, specify the size of the array 'transitions' receiving
 * the timezone transition rules. On output, actual number of
 * rules filled in the array will be set.
 * @param status Receives error status code.
 * @stable ICU 3.8
 */
 virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
 const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const override;

public:

/**
     * Override TimeZone Returns a unique class ID POLYMORPHICALLY. Pure virtual
     * override. This method is to implement a simple version of RTTI, since not all C++
     * compilers support genuine RTTI. Polymorphic operator==() and clone() methods call
     * this method.
     *
     * @return   The class ID for this object. All objects of a given class have the
     *           same class ID. Objects of other classes have different class IDs.
     * @stable ICU 2.0
     */
    virtual UClassID getDynamicClassID() const override;

/**
 * Return the class ID for this class. This is useful only for comparing to a return
 * value from getDynamicClassID(). For example:
 * <pre>
 * . Base* polymorphic_pointer = createPolymorphicObject();
 * . if (polymorphic_pointer->getDynamicClassID() ==
 * . Derived::getStaticClassID()) ...
 * </pre>
 * @return The class ID for all objects of this class.
 * @stable ICU 2.0
 */
 static UClassID U_EXPORT2 getStaticClassID();

private:
    /**
     * Constants specifying values of startMode and endMode.
     */
    enum EMode
    {
        DOM_MODE = 1,
        DOW_IN_MONTH_MODE,
        DOW_GE_DOM_MODE,
        DOW_LE_DOM_MODE
    };

SimpleTimeZone() = delete; // default constructor not implemented

/**
     * Internal construction method.
     * @param rawOffsetGMT    The new SimpleTimeZone's raw GMT offset
     * @param startMonth      the month DST starts
     * @param startDay        the day DST starts
     * @param startDayOfWeek  the DOW DST starts
     * @param startTime       the time DST starts
     * @param startTimeMode   Whether the start time is local wall time, local
     *                        standard time, or UTC time. Default is local wall time.
     * @param endMonth        the month DST ends
     * @param endDay          the day DST ends
     * @param endDayOfWeek    the DOW DST ends
     * @param endTime         the time DST ends
     * @param endTimeMode     Whether the end time is local wall time, local
     *                        standard time, or UTC time. Default is local wall time.
     * @param dstSavings      The number of milliseconds added to standard time
     *                        to get DST time. Default is one hour.
     * @param status          An UErrorCode to receive the status.
     */
    void construct(int32_t rawOffsetGMT,
                   int8_t startMonth, int8_t startDay, int8_t startDayOfWeek,
                   int32_t startTime, TimeMode startTimeMode,
                   int8_t endMonth, int8_t endDay, int8_t endDayOfWeek,
                   int32_t endTime, TimeMode endTimeMode,
                   int32_t dstSavings, UErrorCode& status);

/**
     * Compare a given date in the year to a rule. Return 1, 0, or -1, depending
     * on whether the date is after, equal to, or before the rule date. The
     * millis are compared directly against the ruleMillis, so any
     * standard-daylight adjustments must be handled by the caller.
     *
     * @return  1 if the date is after the rule date, -1 if the date is before
     *          the rule date, or 0 if the date is equal to the rule date.
     */
    static int32_t compareToRule(int8_t month, int8_t monthLen, int8_t prevMonthLen,
                                 int8_t dayOfMonth,
                                 int8_t dayOfWeek, int32_t millis, int32_t millisDelta,
                                 EMode ruleMode, int8_t ruleMonth, int8_t ruleDayOfWeek,
                                 int8_t ruleDay, int32_t ruleMillis);

/**
 * Given a set of encoded rules in startDay and startDayOfMonth, decode
 * them and set the startMode appropriately. Do the same for endDay and
 * endDayOfMonth.
 * 
 * Upon entry, the day of week variables may be zero or
 * negative, in order to indicate special modes. The day of month
 * variables may also be negative.
 * 
 * Upon exit, the mode variables will be
 * set, and the day of week and day of month variables will be positive.
 * 
 * This method also recognizes a startDay or endDay of zero as indicating
 * no DST.
 */
 void decodeRules(UErrorCode& status);
 void decodeStartRule(UErrorCode& status);
 void decodeEndRule(UErrorCode& status);

int8_t startMonth, startDay, startDayOfWeek;   // the month, day, DOW, and time DST starts
    int32_t startTime;
    TimeMode startTimeMode, endTimeMode; // Mode for startTime, endTime; see TimeMode
    int8_t endMonth, endDay, endDayOfWeek; // the month, day, DOW, and time DST ends
    int32_t endTime;
    int32_t startYear;  // the year these DST rules took effect
    int32_t rawOffset;  // the TimeZone's raw GMT offset
    UBool useDaylight; // flag indicating whether this TimeZone uses DST
    static const int8_t STATICMONTHLENGTH[12]; // lengths of the months
    EMode startMode, endMode;   // flags indicating what kind of rules the DST rules are

/**
     * A positive value indicating the amount of time saved during DST in ms.
     * Typically one hour; sometimes 30 minutes.
     */
    int32_t dstSavings;

/* Private for BasicTimeZone implementation */
    void checkTransitionRules(UErrorCode& status) const;
    void initTransitionRules(UErrorCode& status);
    void clearTransitionRules();
    void deleteTransitionRules();
    UBool   transitionRulesInitialized;
    InitialTimeZoneRule*    initialRule;
    TimeZoneTransition*     firstTransition;
    AnnualTimeZoneRule*     stdRule;
    AnnualTimeZoneRule*     dstRule;
};

inline void SimpleTimeZone::setStartRule(int32_t month, int32_t dayOfWeekInMonth,
                                         int32_t dayOfWeek,
                                         int32_t time, UErrorCode& status) {
    setStartRule(month, dayOfWeekInMonth, dayOfWeek, time, WALL_TIME, status);
}

inline void SimpleTimeZone::setStartRule(int32_t month, int32_t dayOfMonth,
                                         int32_t time,
                                         UErrorCode& status) {
    setStartRule(month, dayOfMonth, time, WALL_TIME, status);
}

inline void SimpleTimeZone::setStartRule(int32_t month, int32_t dayOfMonth,
                                         int32_t dayOfWeek,
                                         int32_t time, UBool after, UErrorCode& status) {
    setStartRule(month, dayOfMonth, dayOfWeek, time, WALL_TIME, after, status);
}

inline void SimpleTimeZone::setEndRule(int32_t month, int32_t dayOfWeekInMonth,
                                       int32_t dayOfWeek,
                                       int32_t time, UErrorCode& status) {
    setEndRule(month, dayOfWeekInMonth, dayOfWeek, time, WALL_TIME, status);
}

inline void SimpleTimeZone::setEndRule(int32_t month, int32_t dayOfMonth,
                                       int32_t time, UErrorCode& status) {
    setEndRule(month, dayOfMonth, time, WALL_TIME, status);
}

inline void SimpleTimeZone::setEndRule(int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
                                       int32_t time, UBool after, UErrorCode& status) {
    setEndRule(month, dayOfMonth, dayOfWeek, time, WALL_TIME, after, status);
}

inline void
SimpleTimeZone::getOffset(UDate date, UBool local, int32_t& rawOffsetRef,
                          int32_t& dstOffsetRef, UErrorCode& ec) const {
    TimeZone::getOffset(date, local, rawOffsetRef, dstOffsetRef, ec);
}

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif // _SIMPLETZ

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