--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pimappsupport/chinesecalendaralg/originalinc/calconv.h	Fri Mar 12 15:42:35 2010 +0200
@@ -0,0 +1,107 @@
+// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __CALCONV_H__
+#define __CALCONV_H__
+
+// User includes
+#include "calconvAstronomicalCal.h"
+#include "calconvArithmeticalCal.h"
+
+// Constants
+const TInt KCalConInvalidDate = -50000; // invalid date error code
+
+// Classes referenced
+class TChineseDate;
+class TArithmeticalDate;
+
+
+class TChineseCalendar : public TAstronomicalCalendar  
+{
+public:
+	IMPORT_C TChineseCalendar();
+	IMPORT_C void DateTimeToChinese(const TDateTime& aDT);
+	IMPORT_C void ChineseToDateTime(TDateTime& aDT);
+	IMPORT_C TInt SetDate(const TChineseDate& aDate);
+	IMPORT_C void GetDate(TChineseDate& aDate);
+
+private:
+	void ChineseToFixed(const TChineseDate& aDate, TReal& aJulianDay) const;
+	void ChineseFromFixed(TChineseDate& aDate,const TReal& aJulianDay) const;
+	TReal ChineseNewYear(TInt aYear) const;
+	TBool NoMajorSolarTerm(TReal aJulianDay) const;
+	TBool PriorLeapMonth(TReal& aMnthprime, TReal aMnth) const;
+	TInt ChineseNewMoonOnOrAfter(TReal aJulianDay) const;
+	TInt ChineseNewMoonBefore(TReal aJulianDay) const;
+	TReal MajorSolarTermOnOrAfter(TReal& aJulianDay) const;
+	TInt ChineseDateNextSolarLongitude(TReal& aJulianDay, const TReal& aDegrees) const;
+	TReal ChineseTimeZone(const TReal& aJulianDay) const;
+	TReal CurrentMajorSolarTerm(TReal& aJulianDay) const;
+	TBool ValidDate(const TChineseDate& aDate) const;
+	};
+
+class TGregorianCalendar : public TArithmeticalCalendar
+	{
+public:
+	IMPORT_C TGregorianCalendar();
+	IMPORT_C TGregorianCalendar(TReal aJulianDay);
+	IMPORT_C void GregorianToDateTime(TDateTime& aDT);
+	IMPORT_C void DateTimeToGregorian(TDateTime& aDT);
+	IMPORT_C void GetDate(TArithmeticalDate& aDate);
+	IMPORT_C TInt SetDate(TArithmeticalDate& aGregDate);
+
+private:
+	void GregFromJulianDay(TArithmeticalDate& aDate, TReal aJulianDay) const;
+	void InitMembers();
+	TInt DayNumber(const TArithmeticalDate& aDate) const;
+	void CalcGregYear(TArithmeticalDate& aDate, TReal aJulianDay) const;
+	TBool IsLeapYear(const TInt aYear) const;
+	TReal GregToJulianDay(const TArithmeticalDate& aYear) const;
+	TInt GregDateDiff(const TArithmeticalDate aDate1, const TArithmeticalDate aDate2) const;
+	TBool ValidDate(const TArithmeticalDate& aDate) const;
+
+private:
+	friend class TAstronomicalCalendar;
+	friend class TChineseCalendar;
+	};
+
+class TChineseDate  
+{
+public:
+	IMPORT_C TChineseDate();
+	IMPORT_C TBool operator==(const TChineseDate& aDate) const;
+
+public:
+	TInt iCycle;
+	TInt iYear;
+	TInt iMonth;
+	TBool iLeapMonth;
+	TInt iDay;
+};
+
+class TArithmeticalDate  
+{
+public:
+	IMPORT_C TArithmeticalDate();
+	IMPORT_C TBool operator==(const TArithmeticalDate& aDate) const;
+
+public:
+	TInt iDay;
+	TInt iMonth;
+	TInt iYear;
+};
+
+
+#endif