| /* |
| ******************************************************************************* |
| * Copyright (C) 2003 - 2008, International Business Machines Corporation and * |
| * others. All Rights Reserved. * |
| ******************************************************************************* |
| */ |
| |
| #ifndef ETHPCCAL_H |
| #define ETHPCCAL_H |
| |
| #include "unicode/utypes.h" |
| |
| #if !UCONFIG_NO_FORMATTING |
| |
| #include "unicode/calendar.h" |
| #include "cecal.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| /** |
| * Implement the Ethiopic calendar system. |
| * @internal |
| */ |
| class EthiopicCalendar : public CECalendar { |
| |
| public: |
| /** |
| * Calendar type - use Amete Alem era for all the time or not |
| * @internal |
| */ |
| enum EEraType { |
| AMETE_MIHRET_ERA, |
| AMETE_ALEM_ERA |
| }; |
| |
| /** |
| * Useful constants for EthiopicCalendar. |
| * @internal |
| */ |
| enum EMonths { |
| /** |
| * Constant for መስከረም, the 1st month of the Ethiopic year. |
| */ |
| MESKEREM, |
| |
| /** |
| * Constant for ጥቅምት, the 2nd month of the Ethiopic year. |
| */ |
| TEKEMT, |
| |
| /** |
| * Constant for ኅዳር, the 3rd month of the Ethiopic year. |
| */ |
| HEDAR, |
| |
| /** |
| * Constant for ታኅሣሥ, the 4th month of the Ethiopic year. |
| */ |
| TAHSAS, |
| |
| /** |
| * Constant for ጥር, the 5th month of the Ethiopic year. |
| */ |
| TER, |
| |
| /** |
| * Constant for የካቲት, the 6th month of the Ethiopic year. |
| */ |
| YEKATIT, |
| |
| /** |
| * Constant for መጋቢት, the 7th month of the Ethiopic year. |
| */ |
| MEGABIT, |
| |
| /** |
| * Constant for ሚያዝያ, the 8th month of the Ethiopic year. |
| */ |
| MIAZIA, |
| |
| /** |
| * Constant for ግንቦት, the 9th month of the Ethiopic year. |
| */ |
| GENBOT, |
| |
| /** |
| * Constant for ሰኔ, the 10th month of the Ethiopic year. |
| */ |
| SENE, |
| |
| /** |
| * Constant for ሐምሌ, the 11th month of the Ethiopic year. |
| */ |
| HAMLE, |
| |
| /** |
| * Constant for ነሐሴ, the 12th month of the Ethiopic year. |
| */ |
| NEHASSA, |
| |
| /** |
| * Constant for ጳጉሜን, the 13th month of the Ethiopic year. |
| */ |
| PAGUMEN |
| }; |
| |
| enum EEras { |
| AMETE_ALEM, // Before the epoch |
| AMETE_MIHRET // After the epoch |
| }; |
| |
| /** |
| * Constructs a EthiopicCalendar based on the current time in the default time zone |
| * with the given locale. |
| * |
| * @param aLocale The given locale. |
| * @param success Indicates the status of EthiopicCalendar object construction. |
| * Returns U_ZERO_ERROR if constructed successfully. |
| * @param type Whether this Ethiopic calendar use Amete Mihrret (default) or |
| * only use Amete Alem for all the time. |
| * @internal |
| */ |
| EthiopicCalendar(const Locale& aLocale, UErrorCode& success, EEraType type = AMETE_MIHRET_ERA); |
| |
| /** |
| * Copy Constructor |
| * @internal |
| */ |
| EthiopicCalendar(const EthiopicCalendar& other); |
| |
| /** |
| * Destructor. |
| * @internal |
| */ |
| virtual ~EthiopicCalendar(); |
| |
| /** |
| * Create and return a polymorphic copy of this calendar. |
| * @return return a polymorphic copy of this calendar. |
| * @internal |
| */ |
| virtual Calendar* clone() const; |
| |
| /** |
| * return the calendar type, "ethiopic" |
| * @return calendar type |
| * @internal |
| */ |
| virtual const char * getType() const; |
| |
| /** |
| * Set Alem or Mihret era. |
| * @param onOff Set Amete Alem era if true, otherwise set Amete Mihret era. |
| * @internal |
| */ |
| void setAmeteAlemEra (UBool onOff); |
| |
| /** |
| * Return true if this calendar is set to the Amete Alem era. |
| * @return true if set to the Amete Alem era. |
| * @internal |
| */ |
| UBool isAmeteAlemEra() const; |
| |
| protected: |
| //------------------------------------------------------------------------- |
| // Calendar framework |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Return the extended year defined by the current fields. |
| * @internal |
| */ |
| virtual int32_t handleGetExtendedYear(); |
| |
| /** |
| * Compute fields from the JD |
| * @internal |
| */ |
| virtual void handleComputeFields(int32_t julianDay, UErrorCode &status); |
| |
| /** |
| * Calculate the limit for a specified type of limit and field |
| * @internal |
| */ |
| virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const; |
| |
| /** |
| * Returns the date of the start of the default century |
| * @return start of century - in milliseconds since epoch, 1970 |
| * @internal |
| */ |
| virtual UDate defaultCenturyStart() const; |
| |
| /** |
| * Returns the year in which the default century begins |
| * @internal |
| */ |
| virtual int32_t defaultCenturyStartYear() const; |
| |
| /** |
| * Return the date offset from Julian |
| * @internal |
| */ |
| virtual int32_t getJDEpochOffset() const; |
| |
| private: |
| /** |
| * The system maintains a static default century start date. This is initialized |
| * the first time it is used. Before then, it is set to SYSTEM_DEFAULT_CENTURY to |
| * indicate an uninitialized state. Once the system default century date and year |
| * are set, they do not change. |
| */ |
| static UDate fgSystemDefaultCenturyStart; |
| |
| /** |
| * See documentation for systemDefaultCenturyStart. |
| */ |
| static int32_t fgSystemDefaultCenturyStartYear; |
| |
| /** |
| * Default value that indicates the defaultCenturyStartYear is unitialized |
| */ |
| static const int32_t fgSystemDefaultCenturyYear; |
| |
| /** |
| * start of default century, as a date |
| */ |
| static const UDate fgSystemDefaultCentury; |
| |
| /** |
| * Initializes the 100-year window that dates with 2-digit years |
| * are considered to fall within so that its start date is 80 years |
| * before the current time. |
| */ |
| static void initializeSystemDefaultCentury(void); |
| |
| /** |
| * When eraType is AMETE_ALEM_ERA, then this calendar use only AMETE_ALEM |
| * for the era. Otherwise (default), this calendar uses both AMETE_ALEM |
| * and AMETE_MIHRET. |
| * |
| * EXTENDED_YEAR AMETE_ALEM_ERA AMETE_MIHRET_ERA |
| * 0 Amete Alem 5500 Amete Alem 5500 |
| * 1 Amete Mihret 1 Amete Alem 5501 |
| */ |
| EEraType eraType; |
| |
| public: |
| /** |
| * Override Calendar 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. |
| * @internal |
| */ |
| virtual UClassID getDynamicClassID(void) const; |
| |
| /** |
| * Return the class ID for this class. This is useful only for comparing to a return |
| * value from getDynamicClassID(). For example: |
| * |
| * Base* polymorphic_pointer = createPolymorphicObject(); |
| * if (polymorphic_pointer->getDynamicClassID() == |
| * Derived::getStaticClassID()) ... |
| * |
| * @return The class ID for all objects of this class. |
| * @internal |
| */ |
| U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void); |
| |
| #if 0 |
| // We do not want to introduce this API in ICU4C. |
| // It was accidentally introduced in ICU4J as a public API. |
| |
| public: |
| //------------------------------------------------------------------------- |
| // Calendar system Conversion methods... |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Convert an Ethiopic year, month, and day to a Julian day. |
| * |
| * @param year the extended year |
| * @param month the month |
| * @param day the day |
| * @return Julian day |
| * @internal |
| */ |
| int32_t ethiopicToJD(int32_t year, int32_t month, int32_t day); |
| #endif |
| }; |
| |
| U_NAMESPACE_END |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
| #endif /* ETHPCCAL_H */ |
| //eof |
