pimappsupport/chinesecalendaralg/pluginsrc/gregoriancalendar.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 12 Mar 2010 15:42:35 +0200
branchRCL_3
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// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __GREGORIANCALENDAR_H__
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#define __GREGORIANCALENDAR_H__
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#include "calendar.h"
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#include "arithmeticaldate.h"
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class TGregorianCalendar : public TCalendar
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	{
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public:
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	TGregorianCalendar();
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	TGregorianCalendar(TReal aJulianDay);
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	void GregorianToDateTime(TDateTime& aDT);
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	void GregFromJulianDay(TArithmeticalDate& aDate, TReal aJulianDay) const;
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	TReal GregToJulianDay(const TArithmeticalDate& aYear) const;
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private:
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	void InitMembers();
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	TInt DayNumber(const TArithmeticalDate& aDate) const;
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	void CalcGregYear(TArithmeticalDate& aDate, TReal aJulianDay) const;
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	TBool IsLeapYear(const TInt aYear) const;
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	TInt GregDateDiff(const TArithmeticalDate aDate1, const TArithmeticalDate aDate2) const;
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	TInt DayMonthInYear(const TInt) const;
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	TInt DaysMonthsElapsed(const TInt) const;
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	};
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#endif