File indexing completed on 2024-04-21 14:55:28

0001 /*
0002     Copyright 2009, 2010 John Layt <john@layt.net>
0003 
0004     This library is free software; you can redistribute it and/or
0005     modify it under the terms of the GNU Library General Public
0006     License as published by the Free Software Foundation; either
0007     version 2 of the License, or (at your option) any later version.
0008 
0009     This library is distributed in the hope that it will be useful,
0010     but WITHOUT ANY WARRANTY; without even the implied warranty of
0011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0012     Library General Public License for more details.
0013 
0014     You should have received a copy of the GNU Library General Public License
0015     along with this library; see the file COPYING.LIB.  If not, write to
0016     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0017     Boston, MA 02110-1301, USA.
0018 */
0019 
0020 #ifndef KCALENDARSYSTEMGREGORIAN_H
0021 #define KCALENDARSYSTEMGREGORIAN_H
0022 
0023 #include "kcalendarsystem.h"
0024 
0025 class KCalendarSystemGregorianPrivate;
0026 
0027 /**
0028  * @internal
0029  * This is the pure Gregorian calendar implementation.
0030  *
0031  * Note: This is the traditional proleptic Gregorian calendar
0032  * that does not have a year 0, unlike the ISO version which does.
0033  *
0034  * @b license GNU-LGPL v.2 or later
0035  *
0036  * @see KLocale,KCalendarSystem
0037  *
0038  * @author John Layt <john@layt.net>
0039  */
0040 class KCalendarSystemGregorian: public KCalendarSystem
0041 {
0042 public:
0043     KDELIBS4SUPPORT_DEPRECATED explicit KCalendarSystemGregorian(const KSharedConfig::Ptr config, const KLocale *locale);
0044     ~KCalendarSystemGregorian() override;
0045 
0046     QString calendarType() const override;
0047     KLocale::CalendarSystem calendarSystem() const override;
0048 
0049     QDate epoch() const override;
0050     QDate earliestValidDate() const override;
0051     QDate latestValidDate() const override;
0052 
0053     QString monthName(int month, int year, MonthNameFormat format = LongName) const override;
0054     QString monthName(const QDate &date, MonthNameFormat format = LongName) const override;
0055 
0056     QString weekDayName(int weekDay, WeekDayNameFormat format = LongDayName) const override;
0057     QString weekDayName(const QDate &date, WeekDayNameFormat format = LongDayName) const override;
0058 
0059     int yearStringToInteger(const QString &sNum, int &iLength) const override;
0060 
0061     bool isLunar() const override;
0062     bool isLunisolar() const override;
0063     bool isSolar() const override;
0064     bool isProleptic() const override;
0065 
0066 protected:
0067     bool julianDayToDate(qint64 jd, int &year, int &month, int &day) const override;
0068     bool dateToJulianDay(int year, int month, int day, qint64 &jd) const override;
0069     KCalendarSystemGregorian(KCalendarSystemGregorianPrivate &dd, const KSharedConfig::Ptr config, const KLocale *locale);
0070 
0071 private:
0072     Q_DECLARE_PRIVATE(KCalendarSystemGregorian)
0073 };
0074 
0075 #endif // KCALENDARSYSTEMGREGORIAN_H