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39
40#include "qglobal.h"
41#include "qromancalendar_p.h"
42#include "qromancalendar_data_p.h"
43
44QT_BEGIN_NAMESPACE
45
46/*!
47 \since 5.14
48
49 \class QRomanCalendar
50 \inmodule QtCore
51 \brief The QRomanCalendar class is a shared base for calendars based on the
52 ancient Roman calendar.
53
54 \section1
55
56 Calendars based on the ancient Roman calendar share the names of months,
57 whose lengths depend in a common way on whether the year is a leap
58 year. They differ in how they determine which years are leap years.
59
60 \sa QGregorianCalendar, QJulianCalendar, QMilankovicCalendar
61*/
62
63int QRomanCalendar::daysInMonth(int month, int year) const
64{
65 if (!year || month < 1 || month > 12)
66 return 0;
67
68 if (month == 2)
69 return isLeapYear(year) ? 29 : 28;
70
71 // Long if odd up to July = 7, or if even from 8 = August onwards:
72 return 30 | ((month & 1) ^ (month >> 3));
73}
74
75int QRomanCalendar::minimumDaysInMonth() const
76{
77 return 28;
78}
79
80bool QRomanCalendar::isLunar() const
81{
82 return false;
83}
84
85bool QRomanCalendar::isLuniSolar() const
86{
87 return false;
88}
89
90bool QRomanCalendar::isSolar() const
91{
92 return true;
93}
94
95const QCalendarLocale *QRomanCalendar::localeMonthIndexData() const
96{
97 return locale_data;
98}
99
100const ushort *QRomanCalendar::localeMonthData() const
101{
102 return months_data;
103}
104
105QT_END_NAMESPACE
106

source code of qtbase/src/corelib/time/qromancalendar.cpp