<,�tEXtComment File Manager

File Manager

Path: /opt/alt/alt-nodejs22/root/usr/include/unicode/

Viewing File: tzrule.h

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2007-2008, International Business Machines Corporation and    *
* others. All Rights Reserved.                                                *
*******************************************************************************
*/
#ifndef TZRULE_H
#define TZRULE_H

/**
 * \file 
 * \brief C++ API: Time zone rule classes
 */

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_FORMATTING

#include "unicode/uobject.h"
#include "unicode/unistr.h"
#include "unicode/dtrule.h"

U_NAMESPACE_BEGIN

/**
 * <code>TimeZoneRule</code> is a class representing a rule for time zone.
 * <code>TimeZoneRule</code> has a set of time zone attributes, such as zone name,
 * raw offset (UTC offset for standard time) and daylight saving time offset.
 * 
 * @stable ICU 3.8
 */
class U_I18N_API TimeZoneRule : public UObject {
public:
    /**
     * Destructor.
     * @stable ICU 3.8
     */
    virtual ~TimeZoneRule();

    /**
     * Clone this TimeZoneRule object polymorphically. The caller owns the result and
     * should delete it when done.
     * @return  A copy of the object.
     * @stable ICU 3.8
     */
    virtual TimeZoneRule* clone() const = 0;

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically equal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically equal.
     * @stable ICU 3.8
     */
    virtual bool operator==(const TimeZoneRule& that) const;

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically unequal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically unequal.
     * @stable ICU 3.8
     */
    virtual bool operator!=(const TimeZoneRule& that) const;

    /**
     * Fills in "name" with the name of this time zone.
     * @param name  Receives the name of this time zone.
     * @return  A reference to "name"
     * @stable ICU 3.8
     */
    UnicodeString& getName(UnicodeString& name) const;

    /**
     * Gets the standard time offset.
     * @return  The standard time offset from UTC in milliseconds.
     * @stable ICU 3.8
     */
    int32_t getRawOffset() const;

    /**
     * Gets the amount of daylight saving delta time from the standard time.
     * @return  The amount of daylight saving offset used by this rule
     *          in milliseconds.
     * @stable ICU 3.8
     */
    int32_t getDSTSavings() const;

    /**
     * Returns if this rule represents the same rule and offsets as another.
     * When two <code>TimeZoneRule</code> objects differ only its names, this method
     * returns true.
     * @param other The <code>TimeZoneRule</code> object to be compared with.
     * @return  true if the other <code>TimeZoneRule</code> is the same as this one.
     * @stable ICU 3.8
     */
    virtual UBool isEquivalentTo(const TimeZoneRule& other) const;

    /**
     * Gets the very first time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the very first time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFirstStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const = 0;

    /**
     * Gets the final time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the final time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFinalStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const = 0;

    /**
     * Gets the first time when this rule takes effect after the specified time.
     * @param base              The first start time after this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The first time when this rule takes effect after
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getNextStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const = 0;

    /**
     * Gets the most recent time when this rule takes effect before the specified time.
     * @param base              The most recent time before this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The most recent time when this rule takes effect before
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getPreviousStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const = 0;

protected:

    /**
     * Constructs a <code>TimeZoneRule</code> with the name, the GMT offset of its
     * standard time and the amount of daylight saving offset adjustment.
     * @param name          The time zone name.
     * @param rawOffset     The UTC offset of its standard time in milliseconds.
     * @param dstSavings    The amount of daylight saving offset adjustment in milliseconds.
     *                      If this ia a rule for standard time, the value of this argument is 0.
     * @stable ICU 3.8
     */
    TimeZoneRule(const UnicodeString& name, int32_t rawOffset, int32_t dstSavings);

    /**
     * Copy constructor.
     * @param source    The TimeZoneRule object to be copied.
     * @stable ICU 3.8
     */
    TimeZoneRule(const TimeZoneRule& source);

    /**
     * Assignment operator.
     * @param right The object to be copied.
     * @stable ICU 3.8
     */
    TimeZoneRule& operator=(const TimeZoneRule& right);

private:
    UnicodeString fName; // time name
    int32_t fRawOffset;  // UTC offset of the standard time in milliseconds
    int32_t fDSTSavings; // DST saving amount in milliseconds
};

/**
 * <code>InitialTimeZoneRule</code> represents a time zone rule
 * representing a time zone effective from the beginning and
 * has no actual start times.
 * @stable ICU 3.8
 */
class U_I18N_API InitialTimeZoneRule : public TimeZoneRule {
public:
    /**
     * Constructs an <code>InitialTimeZoneRule</code> with the name, the GMT offset of its
     * standard time and the amount of daylight saving offset adjustment.
     * @param name          The time zone name.
     * @param rawOffset     The UTC offset of its standard time in milliseconds.
     * @param dstSavings    The amount of daylight saving offset adjustment in milliseconds.
     *                      If this ia a rule for standard time, the value of this argument is 0.
     * @stable ICU 3.8
     */
    InitialTimeZoneRule(const UnicodeString& name, int32_t rawOffset, int32_t dstSavings);

    /**
     * Copy constructor.
     * @param source    The InitialTimeZoneRule object to be copied.
     * @stable ICU 3.8
     */
    InitialTimeZoneRule(const InitialTimeZoneRule& source);

    /**
     * Destructor.
     * @stable ICU 3.8
     */
    virtual ~InitialTimeZoneRule();

    /**
     * Clone this InitialTimeZoneRule object polymorphically. The caller owns the result and
     * should delete it when done.
     * @return    A copy of the object.
     * @stable ICU 3.8
     */
    virtual InitialTimeZoneRule* clone() const override;

    /**
     * Assignment operator.
     * @param right The object to be copied.
     * @stable ICU 3.8
     */
    InitialTimeZoneRule& operator=(const InitialTimeZoneRule& right);

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically equal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically equal.
     * @stable ICU 3.8
     */
    virtual bool operator==(const TimeZoneRule& that) const override;

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically unequal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically unequal.
     * @stable ICU 3.8
     */
    virtual bool operator!=(const TimeZoneRule& that) const override;

    /**
     * Returns if this rule represents the same rule and offsets as another.
     * When two <code>TimeZoneRule</code> objects differ only its names, this method
     * returns true.
     * @param that  The <code>TimeZoneRule</code> object to be compared with.
     * @return  true if the other <code>TimeZoneRule</code> is equivalent to this one.
     * @stable ICU 3.8
     */
    virtual UBool isEquivalentTo(const TimeZoneRule& that) const override;

    /**
     * Gets the very first time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the very first time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFirstStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const override;

    /**
     * Gets the final time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the final time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFinalStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const override;

    /**
     * Gets the first time when this rule takes effect after the specified time.
     * @param base              The first start time after this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The first time when this rule takes effect after
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getNextStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const override;

    /**
     * Gets the most recent time when this rule takes effect before the specified time.
     * @param base              The most recent time before this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The most recent time when this rule takes effect before
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getPreviousStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const override;

public:
    /**
     * 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() ==
     * .       erived::getStaticClassID()) ...
     * </pre>
     * @return          The class ID for all objects of this class.
     * @stable ICU 3.8
     */
    static UClassID U_EXPORT2 getStaticClassID();

    /**
     * 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 3.8
     */
    virtual UClassID getDynamicClassID() const override;
};

/**
 * <code>AnnualTimeZoneRule</code> is a class used for representing a time zone
 * rule which takes effect annually.  The calendar system used for the rule is
 * is based on Gregorian calendar
 * 
 * @stable ICU 3.8
 */
class U_I18N_API AnnualTimeZoneRule : public TimeZoneRule {
public:
    /**
     * The constant representing the maximum year used for designating
     * a rule is permanent.
     */
    static const int32_t MAX_YEAR;

    /**
     * Constructs a <code>AnnualTimeZoneRule</code> with the name, the GMT offset of its
     * standard time, the amount of daylight saving offset adjustment, the annual start
     * time rule and the start/until years.  The input DateTimeRule is copied by this
     * constructor, so the caller remains responsible for deleting the object.
     * @param name          The time zone name.
     * @param rawOffset     The GMT offset of its standard time in milliseconds.
     * @param dstSavings    The amount of daylight saving offset adjustment in
     *                      milliseconds.  If this ia a rule for standard time,
     *                      the value of this argument is 0.
     * @param dateTimeRule  The start date/time rule repeated annually.
     * @param startYear     The first year when this rule takes effect.
     * @param endYear       The last year when this rule takes effect.  If this
     *                      rule is effective forever in future, specify MAX_YEAR.
     * @stable ICU 3.8
     */
    AnnualTimeZoneRule(const UnicodeString& name, int32_t rawOffset, int32_t dstSavings,
            const DateTimeRule& dateTimeRule, int32_t startYear, int32_t endYear);

    /**
     * Constructs a <code>AnnualTimeZoneRule</code> with the name, the GMT offset of its
     * standard time, the amount of daylight saving offset adjustment, the annual start
     * time rule and the start/until years.  The input DateTimeRule object is adopted
     * by this object, therefore, the caller must not delete the object.
     * @param name          The time zone name.
     * @param rawOffset     The GMT offset of its standard time in milliseconds.
     * @param dstSavings    The amount of daylight saving offset adjustment in
     *                      milliseconds.  If this ia a rule for standard time,
     *                      the value of this argument is 0.
     * @param dateTimeRule  The start date/time rule repeated annually.
     * @param startYear     The first year when this rule takes effect.
     * @param endYear       The last year when this rule takes effect.  If this
     *                      rule is effective forever in future, specify MAX_YEAR.
     * @stable ICU 3.8
     */
    AnnualTimeZoneRule(const UnicodeString& name, int32_t rawOffset, int32_t dstSavings,
            DateTimeRule* dateTimeRule, int32_t startYear, int32_t endYear);

    /**
     * Copy constructor.
     * @param source    The AnnualTimeZoneRule object to be copied.
     * @stable ICU 3.8
     */
    AnnualTimeZoneRule(const AnnualTimeZoneRule& source);

    /**
     * Destructor.
     * @stable ICU 3.8
     */
    virtual ~AnnualTimeZoneRule();

    /**
     * Clone this AnnualTimeZoneRule object polymorphically. The caller owns the result and
     * should delete it when done.
     * @return    A copy of the object.
     * @stable ICU 3.8
     */
    virtual AnnualTimeZoneRule* clone() const override;

    /**
     * Assignment operator.
     * @param right The object to be copied.
     * @stable ICU 3.8
     */
    AnnualTimeZoneRule& operator=(const AnnualTimeZoneRule& right);

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically equal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically equal.
     * @stable ICU 3.8
     */
    virtual bool operator==(const TimeZoneRule& that) const override;

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically unequal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically unequal.
     * @stable ICU 3.8
     */
    virtual bool operator!=(const TimeZoneRule& that) const override;

    /**
     * Gets the start date/time rule used by this rule.
     * @return  The <code>AnnualDateTimeRule</code> which represents the start date/time
     *          rule used by this time zone rule.
     * @stable ICU 3.8
     */
    const DateTimeRule* getRule() const;

    /**
     * Gets the first year when this rule takes effect.
     * @return  The start year of this rule.  The year is in Gregorian calendar
     *          with 0 == 1 BCE, -1 == 2 BCE, etc.
     * @stable ICU 3.8
     */
    int32_t getStartYear() const;

    /**
     * Gets the end year when this rule takes effect.
     * @return  The end year of this rule (inclusive). The year is in Gregorian calendar
     *          with 0 == 1 BCE, -1 == 2 BCE, etc.
     * @stable ICU 3.8
     */
    int32_t getEndYear() const;

    /**
     * Gets the time when this rule takes effect in the given year.
     * @param year              The Gregorian year, with 0 == 1 BCE, -1 == 2 BCE, etc.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the start time in the year.
     * @return  true if this rule takes effect in the year and the result is set to
     *          "result".
     * @stable ICU 3.8
     */
    UBool getStartInYear(int32_t year, int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const;

    /**
     * Returns if this rule represents the same rule and offsets as another.
     * When two <code>TimeZoneRule</code> objects differ only its names, this method
     * returns true.
     * @param that  The <code>TimeZoneRule</code> object to be compared with.
     * @return  true if the other <code>TimeZoneRule</code> is equivalent to this one.
     * @stable ICU 3.8
     */
    virtual UBool isEquivalentTo(const TimeZoneRule& that) const override;

    /**
     * Gets the very first time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the very first time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFirstStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const override;

    /**
     * Gets the final time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the final time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFinalStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const override;

    /**
     * Gets the first time when this rule takes effect after the specified time.
     * @param base              The first start time after this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The first time when this rule takes effect after
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getNextStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const override;

    /**
     * Gets the most recent time when this rule takes effect before the specified time.
     * @param base              The most recent time before this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The most recent time when this rule takes effect before
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getPreviousStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const override;


private:
    DateTimeRule* fDateTimeRule;
    int32_t fStartYear;
    int32_t fEndYear;

public:
    /**
     * 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() ==
     * .       erived::getStaticClassID()) ...
     * </pre>
     * @return          The class ID for all objects of this class.
     * @stable ICU 3.8
     */
    static UClassID U_EXPORT2 getStaticClassID();

    /**
     * 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 3.8
     */
    virtual UClassID getDynamicClassID() const override;
};

/**
 * <code>TimeArrayTimeZoneRule</code> represents a time zone rule whose start times are
 * defined by an array of milliseconds since the standard base time.
 * 
 * @stable ICU 3.8
 */
class U_I18N_API TimeArrayTimeZoneRule : public TimeZoneRule {
public:
    /**
     * Constructs a <code>TimeArrayTimeZoneRule</code> with the name, the GMT offset of its
     * standard time, the amount of daylight saving offset adjustment and
     * the array of times when this rule takes effect.
     * @param name          The time zone name.
     * @param rawOffset     The UTC offset of its standard time in milliseconds.
     * @param dstSavings    The amount of daylight saving offset adjustment in
     *                      milliseconds.  If this ia a rule for standard time,
     *                      the value of this argument is 0.
     * @param startTimes    The array start times in milliseconds since the base time
     *                      (January 1, 1970, 00:00:00).
     * @param numStartTimes The number of elements in the parameter "startTimes"
     * @param timeRuleType  The time type of the start times, which is one of
     *                      <code>DataTimeRule::WALL_TIME</code>, <code>STANDARD_TIME</code>
     *                      and <code>UTC_TIME</code>.
     * @stable ICU 3.8
     */
    TimeArrayTimeZoneRule(const UnicodeString& name, int32_t rawOffset, int32_t dstSavings,
        const UDate* startTimes, int32_t numStartTimes, DateTimeRule::TimeRuleType timeRuleType);

    /**
     * Copy constructor.
     * @param source    The TimeArrayTimeZoneRule object to be copied.
     * @stable ICU 3.8
     */
    TimeArrayTimeZoneRule(const TimeArrayTimeZoneRule& source);

    /**
     * Destructor.
     * @stable ICU 3.8
     */
    virtual ~TimeArrayTimeZoneRule();

    /**
     * Clone this TimeArrayTimeZoneRule object polymorphically. The caller owns the result and
     * should delete it when done.
     * @return    A copy of the object.
     * @stable ICU 3.8
     */
    virtual TimeArrayTimeZoneRule* clone() const override;

    /**
     * Assignment operator.
     * @param right The object to be copied.
     * @stable ICU 3.8
     */
    TimeArrayTimeZoneRule& operator=(const TimeArrayTimeZoneRule& right);

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically equal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically equal.
     * @stable ICU 3.8
     */
    virtual bool operator==(const TimeZoneRule& that) const override;

    /**
     * Return true if the given <code>TimeZoneRule</code> objects are semantically unequal. Objects
     * of different subclasses are considered unequal.
     * @param that  The object to be compared with.
     * @return  true if the given <code>TimeZoneRule</code> objects are semantically unequal.
     * @stable ICU 3.8
     */
    virtual bool operator!=(const TimeZoneRule& that) const override;

    /**
     * Gets the time type of the start times used by this rule.  The return value
     * is either <code>DateTimeRule::WALL_TIME</code> or <code>STANDARD_TIME</code>
     * or <code>UTC_TIME</code>.
     * 
     * @return The time type used of the start times used by this rule.
     * @stable ICU 3.8
     */
    DateTimeRule::TimeRuleType getTimeType() const;

    /**
     * Gets a start time at the index stored in this rule.
     * @param index     The index of start times
     * @param result    Receives the start time at the index
     * @return  true if the index is within the valid range and
     *          and the result is set.  When false, the output
     *          parameger "result" is unchanged.
     * @stable ICU 3.8
     */
    UBool getStartTimeAt(int32_t index, UDate& result) const;

    /**
     * Returns the number of start times stored in this rule
     * @return The number of start times.
     * @stable ICU 3.8
     */
    int32_t countStartTimes() const;

    /**
     * Returns if this rule represents the same rule and offsets as another.
     * When two <code>TimeZoneRule</code> objects differ only its names, this method
     * returns true.
     * @param that  The <code>TimeZoneRule</code> object to be compared with.
     * @return  true if the other <code>TimeZoneRule</code> is equivalent to this one.
     * @stable ICU 3.8
     */
    virtual UBool isEquivalentTo(const TimeZoneRule& that) const override;

    /**
     * Gets the very first time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the very first time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFirstStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const override;

    /**
     * Gets the final time when this rule takes effect.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param result            Receives the final time when this rule takes effect.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getFinalStart(int32_t prevRawOffset, int32_t prevDSTSavings, UDate& result) const override;

    /**
     * Gets the first time when this rule takes effect after the specified time.
     * @param base              The first start time after this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The first time when this rule takes effect after
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getNextStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const override;

    /**
     * Gets the most recent time when this rule takes effect before the specified time.
     * @param base              The most recent time before this base time will be returned.
     * @param prevRawOffset     The standard time offset from UTC before this rule
     *                          takes effect in milliseconds.
     * @param prevDSTSavings    The amount of daylight saving offset from the
     *                          standard time.
     * @param inclusive         Whether the base time is inclusive or not.
     * @param result            Receives The most recent time when this rule takes effect before
     *                          the specified base time.
     * @return  true if the start time is available.  When false is returned, output parameter
     *          "result" is unchanged.
     * @stable ICU 3.8
     */
    virtual UBool getPreviousStart(UDate base, int32_t prevRawOffset, int32_t prevDSTSavings,
        UBool inclusive, UDate& result) const override;


private:
    enum { TIMEARRAY_STACK_BUFFER_SIZE = 32 };
    UBool initStartTimes(const UDate source[], int32_t size, UErrorCode& ec);
    UDate getUTC(UDate time, int32_t raw, int32_t dst) const;

    DateTimeRule::TimeRuleType  fTimeRuleType;
    int32_t fNumStartTimes;
    UDate*  fStartTimes;
    UDate   fLocalStartTimes[TIMEARRAY_STACK_BUFFER_SIZE];

public:
    /**
     * 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() ==
     * .       erived::getStaticClassID()) ...
     * </pre>
     * @return          The class ID for all objects of this class.
     * @stable ICU 3.8
     */
    static UClassID U_EXPORT2 getStaticClassID();

    /**
     * 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 3.8
     */
    virtual UClassID getDynamicClassID() const override;
};


U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif // TZRULE_H

//eof

��b IDATx��ytVս��ϓ22 �A@�IR��:�h�CiZ[�v��*E��:�W��ũZA� ^d��QeQ ��@ !��j�Z�'�>g�s��V��仿$�|?g�)&x-E�IE�N�T ��;@x�T.i��%-��X��}S�v�S�5�.��r/UHz^�_$-��W"�w��)�Ɗ�/@Z �&IoX��P�$K��}��JzX��:�;`�� &�, ��ŋu�i��,�e��6��m��X� Ե��rKb1�ԗ��)D�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�A�݀!��I*��]R;I�2$eZ#OR��Z��Sr��r�6m��teff�u��*((P��u�'��v{��DIߔ4^�pI��m�'77WEEE;v�Ǝ��4�-��$]'�RI��{��\�I�&�G�� :I��HJ�� DWBB��=�\��W�R�޽m� o$K�(�V9��ABB�.��}��jѢ��v�`^?IO�ȅ}ڶm�G}T#F��J`�5�6��$-��ھ}�F��I�&��v;0(h;��Б�3�8CӧOWf��!�;A i:��F_m��9s&�|�q%=�#��w��Z�p�rrrl�a A� &��P\\��СC�[A#!� �{��o��l��F�} `��E2��}��M��K/��vV��)i��{4Bff�V�\��|ۭX�`��b�@��k��ɶ�@��%i��$K�z��5z�h�mX�[�I�XZ`� '��b%$��r�5��M��4�º��/�l� ԃ��ߖ�xhʔ)�[@=�} K�6IM}^��5k��㏷݆��z ��Η�ÿO��:gdG��B�m��y�T/��@+��Vɶ�纽z񕏵l�.��y�޴i�t뭷zV��0[�Y^>�Ws�qs}�\/�@$�(�T7�f��.��I�nݺi��R$푔n��.�~?H))\Z�RW'M�o�~v� Ov6o��ԃ��x��z��!�S,&�xm/�y�ɞԟ?�'ua��S�ѽ��b�,8�Gל�K��b��o�i�&��3t7Y,��)JJ��c[�n��z��ӳ�d�E��&K�sZ�Lӄ��I?@��&�%ӟ�۶mSMM�њ0��i�ؐSZ�,�|J+��N�� ~�,��0A0!5%Q-��YQQa��3}$_vV��r�f9f?S8`��zD�AD�AD�AD�AD�AD�AD�AD�AD�A�d��q�P��,ت��m��M��mg��1V?�r�S��I꒟��]�u|�l ��R��CyE�f�٢9�j��URb�zt�Ѱ!m5~tG��j�2�D��h�G�*�{H9�)꒟��ר3:(+3\?�/;TU��ݭ��ʴ~S�6lڧ��U��J*�i�$�d�(#=Yݺd�{�,�p|3��B))��q�:��vN0Y.�jk��ק6��;�SɶVzHJJЀ�-u��tѹ�սk��>�QUU��\��޲��~]fF�n��K?��&��ߡ��5��b��=z9�)��^�|u_�k�-[��y%Z��NU6 ��7M�i��:�]ۦt�k��[�n� ��X��(�e6B�b�.��"�8�cۭ|��~�t�e��u��u��w�|��ή��I-5�"��~��U��k��;��Zi�cE�m��N/��:�]�M��> cQ�^�ui�ƞ��??Ң��p�c#TUU�3�U��a��k��Nw�A`��:��Y_V��-8.KKf�R��itv�޲* 9S�6ֿ��j�,Ճ��NOMߤ��]��z�^��f��O�h��|��<�>@Å5��_��/I��u?{S��Y��4h�K��/2��]��4�%i��t�5��q�]�G�G��e�2�%i�R��| ��W��&f�*^]�??��vq[��Lg��E��_��3f}��F�xu~��}q��d�-��ږF�xu~I N>\��;��͗��O��֊�:�̗��W��J@Bh�W=��y��|��Ggwܷ�H�_NY��?��)T��d��i�'?��խw�h�lm�Qi� �!SUU��sw4kӺ�e4rf��x�u�-[n�Ht��MFj}�H�_��u�~w�>)�o�V}�(�T'��e��bʒ�v��3_�[+v�n@Ȭ\S�}��o��t��}w��=��k�H��F�n�xg��S�� 0eޢm~�l��}��u��q��Z�f��F��oZuu��E��g� ��`z�t~?b�;t�%�>��WTkķ�h��[�2e�G8L��IW�x��,��^\thr�l��^��Ϊ��{��=�ǆ��<}�q��V�@ ��⠨��W��y^��L��F_��>�0��U�k��D�u�ʫu��Cs$)I��v��:�IK��;6ֲ�4{^��6��ե��m+l��3>�݆��uM �9��u��?>�Z��c��}g�~q��h��Kw��ڭ��eFMM�~p�М�uq�ǿz��6T��b@8��@Y�|��jx��]�(^]�gf�}�M�"tG ��-w��.@�vOqh~/�HII��`��S�[l��.��6�nØXL��9�v�U�cOo��B�\�x�o��Ǥ�'�T�&I��Ǎ�Qw��_w�p�v��[�k�m��O�{�w�~�>�#=P1P�ɞ�a�-w��e�:i�Ǐl��H��o�׈��꒟�f9��SzH�?��+s�h�k%F��s:��q��Vh�qY��`��j�vO�'ρ?PyX3�lх��]�˾u��V�{��ݞ]1��,�M�z�YN�W~̈́�joY�n��}��ȚF߾׮mS]��F�� z�+�E��D�xm/��d{�F��{-�W��-�4w�Y��듏:�?��?��_�g�P�f� ^3��e��cg ��ҵs��8R��2�מ�z�@T��A��N��Gj�)��}CNi��/�R~��}��c:5�{��!��Z�HӋӾ��6}T�]��G�]�7W�6^��n �9*,��Y��qOZj��:P?�Q�� DF��L�|��?��-�^��.��Ɵ�7��}f�F�h׶��xe��2P�s��c��z�1��&5\cn��[�=�V��n[��ĶE鎀uˌ��d3G�II ��k�;�l�NmشOuuRVf��BE��]ۣ�eӶu :��X�-[��(��e��r�4��~��LH�i�6:��Ѻ@ԅ��r��ST�0��trk%$Č��0ez��"� *��z�"��T�/X9|8��.��C5F�eg}��C�Q%�͞�ˣ��JvL��/��?�j�^��h��&�9x�F��`�њ�Z��(��&�y��F��&Iݻf�g��#��W��;�3^�{Wo^4�'v�V[[�K'��;+��m��Ӎִ�]AC@��W?1^{�එyh��+^]��f��m��~�i��Ե�]AB@��WTk�̏t��uR�?�l�.O�IH�i�Yy�Զ�]A�ˀ7c��:��q}ힽ��a�f�6��Z~�қm(��+sK4{^�6}T��*UUu�]��n��.��:kx{�:��2�� _m��=�sA�ߤ�U��@?��Z��-V�ކ�е��z왍��Nэ��{|5� pڶn��b� �p-@��sPg]0G7�fy��-��M�{GCF��'%�{�4`��=�$-�Ge\��eU:m�+Z�t�'�W��jO�!O�AF@��i�k&t�݆��ϥ_�� e��}��=]"��Wz��_��.��͜�E3�l�e�W��F�i��h|t��-w��Z��ۍ��-�u��w=�6�YN��{��6|��}��|��*={��Ѽ��n.�S�.��z��1z��j�ۻT��H]��흾� �D�u��D��v��mv��K��.`V]yY�~s�I��@��t?/��ϓ.� ��m�&�["�+��P��?M��z�ovV��ЫG3�-�G��RR��[(!!\�_��,��^��%?�v@��ҵ�ő�� m��`�Y)�te�m8��G��Mx.))A�]Y��i`�V��i��W�`�?�^��~!�S#��^+�ѽ��GZj��?V�ģ�0.))A�꨷��l�z�L�*��]��O��X�r��Y�`DBBL�Oj��{��-M�H'�ii�-ϰ��ok�7^�� )쭡�b��]�UX��S�ְ�mռY��|5��*��c�ֽk��0B��7镹%ڽ��P#8n�Ȏ��q}mJr�23��_>��l��E�5��$i��wu��i�+ ��H�~�F`��IjƵ@�q �\ �@#qG�0"��.�0"� l��`��.�0!� ,�AQ�HN6�q��z�k��KJ�#��o;`X�v2��>,tێJ��J��7Z/*��A��.@f�ف�jM��zk��g��@TvZ�H3Z�xu�6Ra��'%��O��?/d�Q��5�x��Yk��U]��R�ֽk�ق@��Da�S^�RS�ּ�5��|��B��e��HNN�͘p �Hvc�Y�c��C5:��y �#��`�οb��;z��2��.��!��k��r��}g��U��Wk��yZ��n�=�f�� Pv��sn��3�p��~�;4p�˚=�ē~�Nm�I] ��¾0lH[��_��L��h�sh��_��ғߤ��c_њ�e��c�)��g�7��V�IZ��5��yr�gk̞W��#��IjӪ�v�>��՞��y睝��M�8�[�|�]��\�շ��8�M��6�%�|@P��Z��ڨ�I-m��>=�k��=�'a��iRo�-x�?>Q��.��}`�Ȏ:�Ws�mu� �u�� > �.@,&��;+!!�˱�tﭧD��Q�w��RW\��vF\~Q7�>�s�p�Y�w$��%A~�;~}��6��¾��g�&if_��=��j�,�v+�U��L�1(tW��a��ke��:@Ș>�j�$�Gq�2�t7S?�vL��|��]u�/�� .�(�0�E��6M��k�6�h��iۺ��z�ښ��O��r��i�f�ޱ�xm/��G�x>�� La�l%%��~�{��l�Bs��R4�*��}{�0Z/��t��N�I��ɚ��p�V^#�L�f�:u@k#�RSu�� =��S^��Zy��uR/��.@n�&��΃z~��B=��0eg뺆��#,��Þ�[�B/?�H� uUf�7�y ��W��y}Bw��eg��ל`��Wh�(|��|��`l`.�;�Ws��?��V�@"��c:i�ɍ��L֯��PG�v�6z�c�tM��̠��'��:w��uW��;d��=�;E�v�e��D��}��9�J@B(��0�iհ�b�v�P�1{�\P��&��G�7��D��޴I��y��_��$-Q�jm�~Yrr�&]�C��Dv%b�h|�Yz�n�i_�R;�k��g�}n��JOII��w��yuL}{�Ќǋ�}�:+3Y�?:��W��J/N+Rz��d=�h��b��;d��j͒su��ݔ��@NKMԄ�j��qz��C��5@��y°�h��L��m;*5�ezᕏ��=�ep�� X��L�n?�מ:��r�`��۵�tŤ�Z�|�1�v`�V�뽧��_c��s�ج'�ߤ%o�Tuum�k%%%h�)�u�y]��N�k��[�n� ��'b�2� �l�.=��͜�E%��gf$��[c;�s:�V-�͞W��ߤW�h��-��j�7��]4��=��F-X�]�>��Z�LS�i��[�Y��*�W��e;��Z�a��n(ӇW|e(HNNP��5[= r4tP �&0�<��p�c#��`�v�TNV GFq��v�T�i�*��Ty�a�m�$��ߏWyE�*�V��JKMTfF�w��>'��$-�ؽ�.Ho��.��8��c��"@D�AD�AD�AD�AD�AD�AD�AD�AD�A~�j��*֘,N;Pi�3599�h=��g�o�ضL�g��i��J�5��փy~�}&��Z��d9p֚ e:|��h��L��`��`��b/��d9p�?�fgg+%%�hM��gXo��s�ج��, Ω��Ol0Z��h=x��d��j��L��m��h��ݻ�o��O�[�g_�l�,8a��]�٭+��ӧ��0��$��I�]��c��]:粹:Te��ꢢ"�5a^��K�g�h,&��=��=��՟^��߶�ߢE�ܹS �J}��I%�:8 �IDAT~,�9/ʃPW'M�o�}z��N�ƍ쨓z�Pb��NZ�~�^z�=4m��s��w��g;5�� Y�~��S�VM��RXUյڱ�R��f��?��s�:w �;6�H:�º��i��5��-�maM��&O��3;1I�K�eam�Z�h�͛7+##�v+�c ~u�~ca]�Gn��F'��ټL~��PPP��b��n� v�o��C�4R,ӟ��gg��%�hq}@#M�4IÇ�� O�y^�x�M��Z�x�� )� �yOw@H�k�N˖-Sǎm�b]X@n��+i��͖��!++K3g�d��\�$m�t�$^��Y�f��J��\8PR��F�)77W��א!Cl��$i��:�@@��_o��G�� I{$��#� ��8磌��ŋ9�1A��(�I�m7��֭��>}�ߴ�J�q�7ޗt��^� -[��ԩS�j�*��}��%]&�'� -��ɓ'�ꫯVzz��vB#�;a �7@G��xI��{��j޼�ƌ��.�LÇWBB�7��`O��"I�$/�@R�@eee��@�۷��>}�0��,ɒ2$53Xs��|c��S~��rpTYYY��} kH�c�%��&k��.]��, @��AD�AD�AD�AD�AD�AD�AD�AD�A��@�l��T��<%''�*��L�o�^={��رc5h� %$+CnܸQ3f��ҥK�}�vUVV��s�9G� R,�_{�x��ˇ��3��o߾��;TTTd�}��馛��]uuuG��~��i�ԩ��@4��b��n��v�m�vfϞ�/�Peeeq}}za I~,�誫��{UWW뮻��}��_~Y�ƍSMMM��Yχ֝w��aw\�ď�cxꩧt�E��ƍկ_?�۷��5��@�u�?�1�k�N�ׯWzz�/�w�y�>}z�j��3�� k�(�ٺu��q_�Z�v�f̘��:~�AB�Q&�r��|��!��%K��ҥK��g��Ԟ={<_��X-�z� !��C�y�FUU��z~�AB�QIIIjݺ��W�$UXX��D��ٳ��Z~�AB�Q�ƍ�e��c��W�$<(~<�RSS�v�Zu��jjjԧO�Z��Qu��@4� 8��m�&&&j�ԩ��g�$�ď��1h� ͟?_��{�768��@��g �=@�`)))��5o��6m��3��)��ѣ�ƌ��J�;w��ҿUTT��/��K��ZR�{~a=@��0o�<��*狔��i�F��ɶ[�ˎ;T]]��OX@��?��K�.�ۈ�xN ��pppppppppppppppppP��fl߾],�{ｧ��k۶mڿ��o�5B��TӦMӴiӴ|�r�� DB��2e�|�A��n!D��y�'t��k�Ν�[A� $***t�5��'�� "�!�駟��o�a�Dn�Ν:t�֭[g�D��ШQ��0�6q�D��;��@ ��x� M�6�v�(Pii��z�m��Z�4e��w��"@��̴i�x��f��[��~-F�ٱc��&I�Z�2�|��n��!�?$@��{�[��H�T��ɏ�#��@�h��Ȏ��I#�_�m�(F��/6Z3��z��'�\r�,��r��!��;��w2Z3j��=~�G��Y��7��"I�$��i�I.�p��_"��?�p��N`�y��DD��?: ��_�� G�ÿa��b�7J��!B��x@�0�� B��o ��c��G��@`1��C��[@�0��G ��@`0��C��_�u�V1�� a��CX��>�W�` |��`!<��S�`"<��.��`#�c�`�?c��A��C4 �?��c�� p#��~@�0��?:��0��8&��_��M�Q1��J�h#��?��/`��7��;I��q7�aw�Q��A�1Hp ��!�#��<8��/#@�1��U�l7��=�S�=��K.�4Z�?E��_$i��@��!�1�!E4�?��`��P_� ��@��Bă�1��0�#��:��"��a��U�,�x�b��F��Y1� ��[��n|��n� ��#'��v�E��H:`�x��b� ��#��v��D��4��Y ��h��i.i��&��E�Ζ��v#��O� H��4�I�Ŷ��}�:I�k�h��@t��ZR��F��#��(�tXҙ��zZ �?��I��3l7q��@õ��|ۍ�1,G��p�u��Y� ��Ꮿ@h��J��v#�x��xk$ ��v#�9��5��}��_��$��c �S�#��=+��"K�{F��*m7�`#��%�H:NRS�p�6I?��sIՖ{Ap��$I$I:QR��v�2$�Z�@�UJ*��$�]<��F��O4IEND�B`�