1 | /* |
2 | Copyright 2009, 2010 John Layt <john@layt.net> |
3 | |
4 | This library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2 of the License, or (at your option) any later version. |
8 | |
9 | This library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Library General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Library General Public License |
15 | along with this library; see the file COPYING.LIB. If not, write to |
16 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 | Boston, MA 02110-1301, USA. |
18 | */ |
19 | |
20 | #ifndef KCALENDARSYSTEMGREGORIAN_H |
21 | #define KCALENDARSYSTEMGREGORIAN_H |
22 | |
23 | #include "kcalendarsystem.h" |
24 | |
25 | class KCalendarSystemGregorianPrivate; |
26 | |
27 | /** |
28 | * @internal |
29 | * This is the pure Gregorian calendar implementation. |
30 | * |
31 | * Note: This is a proleptic version of the Gregorian calendar, it does not |
32 | * copy the QDate method of using the Julian Calendar for dates before 15 |
33 | * October 1582. This is the traditional proleptic Gregorian calendar |
34 | * that does not have a year 0, unlike the ISO version which does. |
35 | * |
36 | * @b license GNU-LGPL v.2 or later |
37 | * |
38 | * @see KLocale,KCalendarSystem |
39 | * |
40 | * @author John Layt <john@layt.net> |
41 | */ |
42 | class KCalendarSystemGregorian: public KCalendarSystem |
43 | { |
44 | public: |
45 | explicit KCalendarSystemGregorian(const KLocale *locale = 0); |
46 | explicit KCalendarSystemGregorian(const KSharedConfig::Ptr config, const KLocale *locale = 0); |
47 | virtual ~KCalendarSystemGregorian(); |
48 | |
49 | virtual QString calendarType() const; |
50 | |
51 | virtual QDate epoch() const; |
52 | virtual QDate earliestValidDate() const; |
53 | virtual QDate latestValidDate() const; |
54 | virtual bool isValid(int year, int month, int day) const; |
55 | virtual bool isValid(const QDate &date) const; |
56 | |
57 | virtual bool isLeapYear(int year) const; |
58 | virtual bool isLeapYear(const QDate &date) const; |
59 | |
60 | virtual QString monthName(int month, int year, MonthNameFormat format = LongName) const; |
61 | virtual QString monthName(const QDate &date, MonthNameFormat format = LongName) const; |
62 | |
63 | virtual QString weekDayName(int weekDay, WeekDayNameFormat format = LongDayName) const; |
64 | virtual QString weekDayName(const QDate &date, WeekDayNameFormat format = LongDayName) const; |
65 | |
66 | virtual int yearStringToInteger(const QString &sNum, int &iLength) const; |
67 | |
68 | virtual int weekDayOfPray() const; |
69 | |
70 | virtual bool isLunar() const; |
71 | virtual bool isLunisolar() const; |
72 | virtual bool isSolar() const; |
73 | virtual bool isProleptic() const; |
74 | |
75 | protected: |
76 | virtual bool julianDayToDate(int jd, int &year, int &month, int &day) const; |
77 | virtual bool dateToJulianDay(int year, int month, int day, int &jd) const; |
78 | KCalendarSystemGregorian(KCalendarSystemGregorianPrivate &dd, |
79 | const KSharedConfig::Ptr config = KSharedConfig::Ptr(), |
80 | const KLocale *locale = 0); |
81 | |
82 | private: |
83 | friend class KCalendarSystemIndianNational; // To allow access to julianDayToDate() and dateToJulianDay() |
84 | Q_DECLARE_PRIVATE(KCalendarSystemGregorian) |
85 | }; |
86 | |
87 | #endif // KCALENDARSYSTEMGREGORIAN_H |
88 | |