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84 lines
3 KiB
C
84 lines
3 KiB
C
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/*
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Copyright 2009, 2010 John Layt <john@layt.net>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef KCALENDARSYSTEMJULIAN_H
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#define KCALENDARSYSTEMJULIAN_H
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#include "kcalendarsystem.h"
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class KCalendarSystemJulianPrivate;
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/**
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* @internal
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* This is the Julian calendar implementation.
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*
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* WARNING: This is a proleptic version of the Julian calendar, it does not
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* reflect the historic marking of leap years prior to 4 AD and always
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* uses New Style years with 1 Jan for the start of the year.
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*
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* @b license GNU-LGPL v.2 or later
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*
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* @see KLocale,KCalendarSystem
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*
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* @author John Layt <john@layt.net>
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*/
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class KCalendarSystemJulian: public KCalendarSystem
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{
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public:
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explicit KCalendarSystemJulian(const KLocale *locale = 0);
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explicit KCalendarSystemJulian(const KSharedConfig::Ptr config, const KLocale *locale = 0);
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virtual ~KCalendarSystemJulian();
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virtual QString calendarType() const;
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virtual QDate epoch() const;
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virtual QDate earliestValidDate() const;
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virtual QDate latestValidDate() const;
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virtual bool isValid(int year, int month, int day) const;
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virtual bool isValid(const QDate &date) const;
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virtual bool isLeapYear(int year) const;
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virtual bool isLeapYear(const QDate &date) const;
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virtual QString monthName(int month, int year, MonthNameFormat format = LongName) const;
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virtual QString monthName(const QDate &date, MonthNameFormat format = LongName) const;
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virtual QString weekDayName(int weekDay, WeekDayNameFormat format = LongDayName) const;
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virtual QString weekDayName(const QDate &date, WeekDayNameFormat format = LongDayName) const;
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virtual int weekDayOfPray() const;
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virtual bool isLunar() const;
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virtual bool isLunisolar() const;
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virtual bool isSolar() const;
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virtual bool isProleptic() const;
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protected:
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virtual bool julianDayToDate(int jd, int &year, int &month, int &day) const;
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virtual bool dateToJulianDay(int year, int month, int day, int &jd) const;
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KCalendarSystemJulian(KCalendarSystemJulianPrivate &dd,
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const KSharedConfig::Ptr config = KSharedConfig::Ptr(),
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const KLocale *locale = 0);
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private:
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Q_DECLARE_PRIVATE(KCalendarSystemJulian)
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};
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#endif // KCALENDARSYSTEMJULIAN_H
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