File indexing completed on 2024-04-21 14:55:30 

0001 /*
0002     Copyright 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 KCALENDARSYSTEMPRIVATE_H
0021 #define KCALENDARSYSTEMPRIVATE_H
0022 
0023 class QChar;
0024 class QString;
0025 class QDate;
0026 
0027 class KCalendarSystem;
0028 class KCalendarEra;
0029 class KLocale;
0030 
0031 class KCalendarSystemPrivate
0032 {
0033 public:
0034     KDELIBS4SUPPORT_DEPRECATED explicit KCalendarSystemPrivate(KCalendarSystem *q);
0035 
0036     virtual ~KCalendarSystemPrivate();
0037 
0038     // Virtual methods each calendar system must re-implement
0039     virtual void loadDefaultEraList() = 0;
0040     virtual int monthsInYear(int year) const = 0;
0041     virtual int daysInMonth(int year, int month) const = 0;
0042     virtual int daysInYear(int year) const = 0;
0043     virtual bool isLeapYear(int year) const = 0;
0044     virtual bool hasLeapMonths() const = 0;
0045     virtual bool hasYearZero() const = 0;
0046     virtual int maxMonthsInYear() const = 0;
0047     virtual int earliestValidYear() const = 0;
0048     virtual int latestValidYear() const = 0;
0049     virtual QString monthName(int month, int year, KLocale::DateTimeComponentFormat format, bool possessive = false) const = 0;
0050     virtual QString weekDayName(int weekDay, KLocale::DateTimeComponentFormat format) const = 0;
0051 
0052     // Virtual methods to re-implement if special maths needed
0053     // Currently only Hebrew may need special conversion, rest should be OK
0054     virtual int yearsDifference(const QDate &fromDate, const QDate &toDate) const;
0055     virtual int monthsDifference(const QDate &fromDate, const QDate &toDate) const;
0056     virtual void dateDifference(const QDate &fromDate, const QDate &toDate,
0057                                 int *yearsDiff, int *monthsDiff, int *daysDiff, int *direction) const;
0058 
0059     // Virtual methods to re-implement if special number/string conversion needed
0060     // Currently only Hebrew needs special conversion, rest use KLocale DigitSet
0061     virtual int integerFromString(const QString &string, int maxLength, int &readLength) const;
0062     virtual QString stringFromInteger(int number, int padWidth = 0, QChar padChar = QLatin1Char('0')) const;
0063     virtual QString stringFromInteger(int number, int padWidth, QChar padChar, KLocale::DigitSet digitSet) const;
0064 
0065     // Utility functions
0066     int addYears(int startYear, int yearsToAdd) const;
0067     int differenceYearNumbers(int fromYear, int toYear) const;
0068     QString simpleDateString(const QString &str) const;
0069     int daysInWeek() const;
0070     int dayOfYear(const QDate &date) const;
0071     int dayOfWeek(const QDate &date) const;
0072     QDate firstDayOfYear(int year) const;
0073     QDate lastDayOfYear(int year) const;
0074     QDate firstDayOfMonth(int year, int month) const;
0075     QDate lastDayOfMonth(int year, int month) const;
0076     const KLocale *locale() const;
0077     void loadEraList(const KConfigGroup &cg);
0078     void addEra(char direction, int offset, const QDate &startDate, int startYear, const QDate &endDate,
0079                 const QString &name, const QString &shortName, const QString &format);
0080     QList<KCalendarEra> *eraList() const;
0081     KCalendarEra era(const QDate &eraDate) const;
0082     KCalendarEra era(const QString &eraName, int yearInEra) const;
0083     int shortYearWindowStartYear() const;
0084     int applyShortYearWindow(int inputYear) const;
0085     void loadShortYearWindowStartYear(const KConfigGroup &cg);
0086     KSharedConfig::Ptr config();
0087     void loadConfig(const QString &calendarType);
0088 
0089     // Week utility functions
0090     int isoWeekNumber(const QDate &date, int *yearNum) const;
0091     int regularWeekNumber(const QDate &date, int weekStartDay, int firstWeekNumber, int *weekYear) const;
0092     int simpleWeekNumber(const QDate &date, int *yearNum) const;
0093     int isoWeeksInYear(int year) const;
0094     int regularWeeksInYear(int year, int weekStartDay, int firstWeekNumber) const;
0095     int simpleWeeksInYear(int year) const;
0096 
0097     // Global variables each calendar system must initialise
0098     const KCalendarSystem *q;
0099     const KLocale *m_locale;
0100     KSharedConfig::Ptr m_config;
0101     QList<KCalendarEra> *m_eraList;
0102     int m_shortYearWindowStartYear;
0103 };
0104 
0105 #endif // KCALENDARSYSTEMPRIVATE_H