/**************************************************************************** ** ** Copyright (C) 2019 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qglobal.h" #include "qromancalendar_p.h" #include "qromancalendar_data_p.h" QT_BEGIN_NAMESPACE /*! \since 5.14 \class QRomanCalendar \inmodule QtCore \brief The QRomanCalendar class is a shared base for calendars based on the ancient Roman calendar. \section1 Calendars based on the ancient Roman calendar share the names of months, whose lengths depend in a common way on whether the year is a leap year. They differ in how they determine which years are leap years. \sa QGregorianCalendar, QJulianCalendar, QMilankovicCalendar */ int QRomanCalendar::daysInMonth(int month, int year) const { if (!year || month < 1 || month > 12) return 0; if (month == 2) return isLeapYear(year) ? 29 : 28; // Long if odd up to July = 7, or if even from 8 = August onwards: return 30 | ((month & 1) ^ (month >> 3)); } int QRomanCalendar::minimumDaysInMonth() const { return 28; } bool QRomanCalendar::isLunar() const { return false; } bool QRomanCalendar::isLuniSolar() const { return false; } bool QRomanCalendar::isSolar() const { return true; } const QCalendarLocale *QRomanCalendar::localeMonthIndexData() const { return locale_data; } const ushort *QRomanCalendar::localeMonthData() const { return months_data; } QT_END_NAMESPACE