Index: icu46/source/i18n/unicode/tzrule.h |
=================================================================== |
--- icu46/source/i18n/unicode/tzrule.h (revision 0) |
+++ icu46/source/i18n/unicode/tzrule.h (revision 0) |
@@ -0,0 +1,828 @@ |
+/* |
+******************************************************************************* |
+* 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 !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(void) 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 UBool 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 UBool 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(void) 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(void) 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(void) const; |
+ |
+ /** |
+ * 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 UBool 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 UBool operator!=(const TimeZoneRule& that) 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+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(void); |
+ |
+ /** |
+ * 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(void) const; |
+}; |
+ |
+/** |
+ * <code>AnnualTimeZoneRule</code> is a class used for representing a time zone |
+ * rule which takes effect annually. The calenday 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(void) const; |
+ |
+ /** |
+ * 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 UBool 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 UBool operator!=(const TimeZoneRule& that) const; |
+ |
+ /** |
+ * 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(void) 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(void) 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(void) 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ |
+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(void); |
+ |
+ /** |
+ * 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(void) const; |
+}; |
+ |
+/** |
+ * <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(void) const; |
+ |
+ /** |
+ * 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 UBool 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 UBool operator!=(const TimeZoneRule& that) const; |
+ |
+ /** |
+ * 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(void) 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(void) 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ /** |
+ * 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; |
+ |
+ |
+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(void); |
+ |
+ /** |
+ * 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(void) const; |
+}; |
+ |
+ |
+U_NAMESPACE_END |
+ |
+#endif /* #if !UCONFIG_NO_FORMATTING */ |
+ |
+#endif // TZRULE_H |
+ |
+//eof |
Property changes on: icu46/source/i18n/unicode/tzrule.h |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |