301 lines
8.4 KiB
C++
301 lines
8.4 KiB
C++
/*
|
|
*******************************************************************************
|
|
* 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
|