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191 lines
6.5 KiB
191 lines
6.5 KiB
/*************************************************************************
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** Definition of extended range date class
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** (c) 2004 by Michel Guitel <michel.guitel@sap.ap-hop-paris.fr>
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** modifications by Jason Harris <kstars@30doradus.org>
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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**********************************************************************/
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#ifndef EXTDATETIME_H
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#define EXTDATETIME_H
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#include <limits.h>
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#include "tqstring.h"
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#include "tqnamespace.h"
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#include "tqdatetime.h"
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#include <kdemacros.h>
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#define INVALID_DAY LONG_MIN
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class ExtDateTime;
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/*****************************************************************************
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ExtDate class
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*****************************************************************************/
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extern void test2_unit(int y, int m, int d);
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class ExtDateTime;
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class KDE_EXPORT ExtDate
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{
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public:
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ExtDate() : m_jd(INVALID_DAY), m_year(0), m_month(0), m_day(0) {}
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ExtDate( int y, int m, int d );
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ExtDate( const TQDate &q ) { ExtDate( q.year(), q.month(), q.day() ); }
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ExtDate( long int jd );
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bool isNull() const { return m_jd == INVALID_DAY; }
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bool isValid() const;
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TQDate qdate() const;
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int year() const { return m_year; }
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int month() const { return m_month; }
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int day() const { return m_day; }
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int dayOfWeek() const;
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int dayOfYear() const;
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int daysInMonth() const;
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int daysInYear() const;
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int weekNumber( int *yearNum = 0 ) const;
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long int jd() const { return m_jd; }
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#ifndef TQT_NO_TEXTDATE
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#ifndef TQT_NO_COMPAT
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static TQString monthName( int month ) { return shortMonthName( month ); }
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static TQString dayName( int weekday ) { return shortDayName( weekday ); }
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#endif
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static TQString shortMonthName( int month );
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static TQString shortDayName( int weekday );
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static TQString longMonthName( int month );
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static TQString longDayName( int weekday );
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#endif //TQT_NO_TEXTDATE
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#ifndef TQT_NO_TEXTSTRING
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#if !defined(TQT_NO_SPRINTF)
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TQString toString( Qt::DateFormat f = Qt::TextDate ) const;
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#endif
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TQString toString( const TQString& format ) const;
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#endif
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bool setYMD( int y, int m, int d );
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bool setJD( long int _jd );
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ExtDate addDays( int days ) const;
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ExtDate addMonths( int months ) const;
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ExtDate addYears( int years ) const;
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int daysTo( const ExtDate & ) const;
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bool operator==( const ExtDate &d ) const { return m_jd == d.jd(); }
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bool operator!=( const ExtDate &d ) const { return m_jd != d.jd(); }
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bool operator<( const ExtDate &d ) const { return m_jd < d.jd(); }
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bool operator<=( const ExtDate &d ) const { return m_jd <= d.jd(); }
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bool operator>( const ExtDate &d ) const { return m_jd > d.jd(); }
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bool operator>=( const ExtDate &d ) const { return m_jd >= d.jd(); }
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static ExtDate tqcurrentDate( Qt::TimeSpec ts = Qt::LocalTime );
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#ifndef TQT_NO_DATESTRING
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static ExtDate fromString( const TQString &s );
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static ExtDate fromString( const TQString &s, Qt::DateFormat f );
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#endif
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static bool isValid( int y, int m, int d );
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static bool leapYear( int year );
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static long int GregorianToJD( int y, int m, int d );
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static void JDToGregorian( long int jd, int &y, int &m, int &d );
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private:
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static int dayOfYear(int y, int m, int d);
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long int m_jd;
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int m_year, m_month, m_day;
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static uint m_monthLength[12];
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static uint m_monthOrigin[12];
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static TQString m_shortMonthNames[12];
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static TQString m_shortDayNames[7];
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static TQString m_longMonthNames[12];
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static TQString m_longDayNames[7];
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friend class ExtDateTime;
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#ifndef TQT_NO_DATASTREAM
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friend TQ_EXPORT TQDataStream &operator<<( TQDataStream &, const ExtDate & );
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friend TQ_EXPORT TQDataStream &operator>>( TQDataStream &, ExtDate & );
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friend TQ_EXPORT TQDataStream &operator<<( TQDataStream &, const ExtDateTime & );
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friend TQ_EXPORT TQDataStream &operator>>( TQDataStream &, ExtDateTime & );
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#endif
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};
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/*****************************************************************************
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ExtDateTime class
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*****************************************************************************/
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class KDE_EXPORT ExtDateTime
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{
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public:
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ExtDateTime() {} // set null date and null time
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ExtDateTime( const ExtDate & );
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ExtDateTime( const ExtDate &, const TQTime & );
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bool isNull() const { return d.isNull() && t.isNull(); }
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bool isValid() const { return d.isValid() && t.isValid(); }
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ExtDate date() const { return d; }
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TQTime time() const { return t; }
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uint toTime_t() const;
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void setDate( const ExtDate &date ) { d = date; }
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void setTime( const TQTime &time ) { t = time; }
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void setTime_t( uint secsSince1Jan1970UTC );
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void setTime_t( uint secsSince1Jan1970UTC, Qt::TimeSpec );
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#ifndef TQT_NO_DATESTRING
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#ifndef TQT_NO_SPRINTF
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TQString toString( Qt::DateFormat f = Qt::TextDate ) const;
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#endif
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TQString toString( const TQString& format ) const;
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#endif
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ExtDateTime addDays( int days ) const;
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ExtDateTime addMonths( int months ) const;
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ExtDateTime addYears( int years ) const;
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ExtDateTime addSecs( int secs ) const;
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int daysTo( const ExtDateTime & ) const;
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int secsTo( const ExtDateTime & ) const;
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bool operator==( const ExtDateTime &dt ) const;
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bool operator!=( const ExtDateTime &dt ) const;
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bool operator<( const ExtDateTime &dt ) const;
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bool operator<=( const ExtDateTime &dt ) const;
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bool operator>( const ExtDateTime &dt ) const;
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bool operator>=( const ExtDateTime &dt ) const;
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static ExtDateTime tqcurrentDateTime();
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static ExtDateTime tqcurrentDateTime( Qt::TimeSpec );
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#ifndef TQT_NO_DATESTRING
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static ExtDateTime fromString( const TQString &s );
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static ExtDateTime fromString( const TQString &s, Qt::DateFormat f );
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#endif
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private:
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ExtDate d;
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TQTime t;
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#ifndef TQT_NO_DATASTREAM
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friend TQ_EXPORT TQDataStream &operator<<( TQDataStream &, const ExtDateTime &);
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friend TQ_EXPORT TQDataStream &operator>>( TQDataStream &, ExtDateTime & );
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#endif
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};
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/*****************************************************************************
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Date and time stream functions
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*****************************************************************************/
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#ifndef TQT_NO_DATASTREAM
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TQ_EXPORT TQDataStream &operator<<( TQDataStream &, const ExtDate & );
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TQ_EXPORT TQDataStream &operator>>( TQDataStream &, ExtDate & );
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#endif // TQT_NO_DATASTREAM
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#endif // EXTDATE_H
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