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/*
*******************************************************************************
* Copyright (C) 2003 - 2008, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
#ifndef CECAL_H
#define CECAL_H
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/calendar.h"
U_NAMESPACE_BEGIN
/**
* Base class for EthiopicCalendar and CopticCalendar.
* @internal
*/
class U_I18N_API CECalendar : public Calendar {
protected:
//-------------------------------------------------------------------------
// Constructors...
//-------------------------------------------------------------------------
/**
* Constructs a CECalendar based on the current time in the default time zone
* with the given locale with the Julian epoch offiset
*
* @param aLocale The given locale.
* @param success Indicates the status of CECalendar object construction.
* Returns U_ZERO_ERROR if constructed successfully.
* @internal
*/
CECalendar(const Locale& aLocale, UErrorCode& success);
/**
* Copy Constructor
* @internal
*/
CECalendar (const CECalendar& other);
/**
* Destructor.
* @internal
*/
virtual ~CECalendar();
/**
* Default assignment operator
* @param right Calendar object to be copied
* @internal
*/
CECalendar& operator=(const CECalendar& right);
protected:
//-------------------------------------------------------------------------
// Calendar framework
//-------------------------------------------------------------------------
/**
* Return JD of start of given month/extended year
* @internal
*/
virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month, UBool useMonth) const;
/**
* Calculate the limit for a specified type of limit and field
* @internal
*/
virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const;
/**
* (Overrides Calendar) Return true if the current date for this Calendar is in
* Daylight Savings Time. Recognizes DST_OFFSET, if it is set.
*
* @param status Fill-in parameter which receives the status of this operation.
* @return True if the current date for this Calendar is in Daylight Savings Time,
* false, otherwise.
* @internal
*/
virtual UBool inDaylightTime(UErrorCode&) const;
/**
* Returns TRUE because Coptic/Ethiopic Calendar does have a default century
* @internal
*/
virtual UBool haveDefaultCentury() const;
protected:
/**
* The Coptic and Ethiopic calendars differ only in their epochs.
* This method must be implemented by CECalendar subclasses to
* return the date offset from Julian
* @internal
*/
virtual int32_t getJDEpochOffset() const = 0;
/**
* Convert an Coptic/Ethiopic year, month, and day to a Julian day.
*
* @param year the extended year
* @param month the month
* @param day the day
* @param jdEpochOffset the epoch offset from Julian epoch
* @return Julian day
* @internal
*/
static int32_t ceToJD(int32_t year, int32_t month, int32_t date,
int32_t jdEpochOffset);
/**
* Convert a Julian day to an Coptic/Ethiopic year, month and day
*
* @param julianDay the Julian day
* @param jdEpochOffset the epoch offset from Julian epoch
* @param year receives the extended year
* @param month receives the month
* @param date receives the day
* @internal
*/
static void jdToCE(int32_t julianDay, int32_t jdEpochOffset,
int32_t& year, int32_t& month, int32_t& day);
};
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif
//eof