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diff --git a/libtdeedu/extdate/extcalendarsystemgregorian.h b/libtdeedu/extdate/extcalendarsystemgregorian.h
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+/*
+ Copyright (c) 2002 Carlos Moro <cfmoro@correo.uniovi.es>
+ Copyright (c) 2002 Hans Petter Bieker <bieker@kde.org>
+ Copyright (c) 2004 Jason Harris <jharris@30doradus.org>
+
+ This class has been derived from KCalendarSystemGregorian;
+ the changesd made just replace TQDate objects with ExtDate objects.
+ These changes by Jason Harris <jharris@30doradus.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef EXTCALENDARSYSTEMGREGORIAN_H
+#define EXTCALENDARSYSTEMGREGORIAN_H
+
+
+#include "extcalendarsystem.h"
+
+class ExtCalendarSystemGregorianPrivate;
+
+/**
+ * @internal
+ * This is the Gregorian calendar implementation.
+ *
+ * The Gregorian calender is the most used calendar today. The first year in
+ * the calendar is set to the birth of Christ.
+ *
+ * @see KLocale,ExtCalendarSystem,ExtCalendarSystemFactory
+ *
+ * @author Carlos Moro <cfmoro@correo.uniovi.es>
+ * @license GNU-GPL v.2
+ * @version $Id$
+ * @since 3.2
+ */
+class ExtCalendarSystemGregorian: public ExtCalendarSystem
+{
+public:
+ ExtCalendarSystemGregorian (const KLocale * locale = 0);
+ virtual ~ExtCalendarSystemGregorian ();
+
+ virtual int year (const ExtDate & date) const;
+ virtual int month (const ExtDate & date) const;
+ virtual int day (const ExtDate & date) const;
+ virtual int dayOfWeek (const ExtDate & date) const;
+ virtual int dayOfYear (const ExtDate & date) const;
+
+ virtual bool setYMD(ExtDate & date, int y, int m, int d) const;
+
+ virtual ExtDate addYears(const ExtDate & date, int nyears) const;
+ virtual ExtDate addMonths(const ExtDate & date, int nmonths) const;
+ virtual ExtDate addDays(const ExtDate & date, int ndays) const;
+
+ virtual int monthsInYear (const ExtDate & date) const;
+
+ virtual int daysInYear (const ExtDate & date) const;
+ virtual int daysInMonth (const ExtDate & date) const;
+ virtual int weeksInYear(int year) const;
+ virtual int weekNumber(const ExtDate& date, int * yearNum = 0) const;
+
+ virtual int yearStringToInteger(const TQString & sNum, int & iLength) const;
+
+ virtual TQString monthName (int month, int year, bool shortName = false) const;
+ virtual TQString monthName (const ExtDate & date, bool shortName = false ) const;
+ virtual TQString monthNamePossessive(int month, int year, bool shortName = false) const;
+ virtual TQString monthNamePossessive(const ExtDate & date, bool shortName = false ) const;
+ virtual TQString weekDayName (int weekDay, bool shortName = false) const;
+ virtual TQString weekDayName (const ExtDate & date, bool shortName = false) const;
+
+ virtual int minValidYear () const;
+ virtual int maxValidYear () const;
+ virtual int weekDayOfPray () const;
+
+ virtual TQString calendarName() const;
+
+ virtual bool isLunar() const;
+ virtual bool isLunisolar() const;
+ virtual bool isSolar() const;
+
+private:
+ ExtCalendarSystemGregorianPrivate * d;
+};
+
+#endif