/* ******************************************************************************* * 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