137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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* Copyright (C) 2003 - 2008, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*/
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#ifndef CECAL_H
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#define CECAL_H
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/calendar.h"
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U_NAMESPACE_BEGIN
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/**
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* Base class for EthiopicCalendar and CopticCalendar.
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* @internal
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*/
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class U_I18N_API CECalendar : public Calendar {
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protected:
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//-------------------------------------------------------------------------
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// Constructors...
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//-------------------------------------------------------------------------
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/**
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* Constructs a CECalendar based on the current time in the default time zone
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* with the given locale with the Julian epoch offiset
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*
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* @param aLocale The given locale.
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* @param success Indicates the status of CECalendar object construction.
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* Returns U_ZERO_ERROR if constructed successfully.
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* @internal
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*/
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CECalendar(const Locale& aLocale, UErrorCode& success);
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/**
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* Copy Constructor
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* @internal
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*/
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CECalendar (const CECalendar& other);
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/**
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* Destructor.
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* @internal
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*/
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virtual ~CECalendar();
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/**
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* Default assignment operator
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* @param right Calendar object to be copied
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* @internal
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*/
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CECalendar& operator=(const CECalendar& right);
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protected:
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//-------------------------------------------------------------------------
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// Calendar framework
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//-------------------------------------------------------------------------
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/**
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* Return JD of start of given month/extended year
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* @internal
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*/
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virtual int32_t handleComputeMonthStart(int32_t eyear, int32_t month, UBool useMonth) const;
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/**
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* Calculate the limit for a specified type of limit and field
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* @internal
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*/
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virtual int32_t handleGetLimit(UCalendarDateFields field, ELimitType limitType) const;
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/**
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* (Overrides Calendar) Return true if the current date for this Calendar is in
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* Daylight Savings Time. Recognizes DST_OFFSET, if it is set.
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*
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* @param status Fill-in parameter which receives the status of this operation.
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* @return True if the current date for this Calendar is in Daylight Savings Time,
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* false, otherwise.
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* @internal
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*/
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virtual UBool inDaylightTime(UErrorCode&) const;
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/**
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* Returns TRUE because Coptic/Ethiopic Calendar does have a default century
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* @internal
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*/
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virtual UBool haveDefaultCentury() const;
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protected:
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/**
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* The Coptic and Ethiopic calendars differ only in their epochs.
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* This method must be implemented by CECalendar subclasses to
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* return the date offset from Julian
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* @internal
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*/
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virtual int32_t getJDEpochOffset() const = 0;
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/**
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* Convert an Coptic/Ethiopic year, month, and day to a Julian day.
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*
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* @param year the extended year
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* @param month the month
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* @param day the day
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* @param jdEpochOffset the epoch offset from Julian epoch
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* @return Julian day
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* @internal
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*/
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static int32_t ceToJD(int32_t year, int32_t month, int32_t date,
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int32_t jdEpochOffset);
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/**
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* Convert a Julian day to an Coptic/Ethiopic year, month and day
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*
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* @param julianDay the Julian day
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* @param jdEpochOffset the epoch offset from Julian epoch
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* @param year receives the extended year
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* @param month receives the month
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* @param date receives the day
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* @internal
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*/
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static void jdToCE(int32_t julianDay, int32_t jdEpochOffset,
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int32_t& year, int32_t& month, int32_t& day);
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};
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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#endif
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//eof
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