This is the verbatim text of the qdatetm.h include file. It is is provided only for illustration; the copyright remains with Troll Tech.
/****************************************************************************
** $Id: qdatetm.h,v 1.9 1995/03/15 13:36:16 hanord Exp $
**
** Definition of date and time classes
**
** Author : Haavard Nord
** Created : 940124
**
** Copyright (C) 1994,1995 by Troll Tech AS. All rights reserved.
**
*****************************************************************************/
#ifndef QDATETM_H
#define QDATETM_H
#include "qstring.h"
// --------------------------------------------------------------------------
// QDate class
//
class QDate
{
friend QDataStream &operator<<( QDataStream &, const QDate & );
friend QDataStream &operator>>( QDataStream &, QDate & );
public:
QDate() { jd=0; } // set null date
QDate( int y, int m, int d ); // set date
bool isNull() const { return jd == 0; }
bool isValid() const; // valid date
int year() const; // 1752..
int month() const; // 1..12
int day() const; // 1..31
int dayOfWeek() const; // 1..7 (monday==1)
int dayOfYear() const; // 1..365
int daysInMonth() const; // 1..31
int daysInYear() const; // 365 or 366
virtual const char *monthName( int month ) const;
virtual const char *dayName( int weekday ) const;
QString toString() const; // date to string
bool setYMD( int y, int m, int d ); // set year, month, day
QDate addDays( long days ) const; // add days
long daysTo( const QDate & ) const; // days difference
bool operator==( const QDate &d ) const { return jd == d.jd; }
bool operator!=( const QDate &d ) const { return jd != d.jd; }
bool operator<( const QDate &d ) const { return jd < d.jd; }
bool operator<=( const QDate &d ) const { return jd <= d.jd; }
bool operator>( const QDate &d ) const { return jd > d.jd; }
bool operator>=( const QDate &d ) const { return jd >= d.jd; }
static QDate currentDate(); // get current date
static bool isValid( int y, int m, int d );
static bool leapYear( int year );
protected:
static ulong greg2jul( int y, int m, int d );
static void jul2greg( ulong jd, int &y, int &m, int &d );
ulong jd; // julian date
static const char *monthNames[];
static const char *weekdayNames[];
};
// --------------------------------------------------------------------------
// QTime class
//
class QTime
{
friend class QDateTime;
friend QDataStream &operator<<( QDataStream &, const QTime & );
friend QDataStream &operator>>( QDataStream &, QTime & );
public:
QTime() { ds=0; } // set null time
QTime( int h, int m, int s=0, int ms=0 ); // set time
bool isNull() const { return ds == 0; }
bool isValid() const; // valid time
int hour() const; // 0..23
int minute() const; // 0..59
int second() const; // 0..59
int msec() const; // 0..999
QString toString() const; // time to string
bool setHMS( int h, int m, int s, int ms=0 ); // set time of day
QTime addSecs( long secs ) const; // add seconds
long secsTo( const QTime & ) const; // seconds difference
QTime addMSecs( long ms ) const; // add milliseconds
long msecsTo( const QTime & ) const; // milliseconds difference
bool operator==( const QTime &d ) const { return ds == d.ds; }
bool operator!=( const QTime &d ) const { return ds != d.ds; }
bool operator<( const QTime &d ) const { return ds < d.ds; }
bool operator<=( const QTime &d ) const { return ds <= d.ds; }
bool operator>( const QTime &d ) const { return ds > d.ds; }
bool operator>=( const QTime &d ) const { return ds >= d.ds; }
static QTime currentTime(); // get current time
static bool isValid( int h, int m, int s, int ms=0 );
void start(); // start clock
long restart(); // restart clock
long elapsed(); // msecs since start/restart
protected:
ulong ds; // seconds
};
// --------------------------------------------------------------------------
// QDateTime class
//
class QDateTime
{
friend QDataStream &operator<<( QDataStream &, const QDateTime & );
friend QDataStream &operator>>( QDataStream &, QDateTime & );
public:
QDateTime() {} // set null date and null time
QDateTime( const QDate & ); // set date and null time
QDateTime( const QDate &, const QTime & ); // set date and time
bool isNull() const { return d.isNull() && t.isNull(); }
bool isValid() const { return d.isValid() && t.isValid(); }
QDate date() const { return d; } // get date
QTime time() const { return t; } // get time
void setDate( QDate date ) { d=date; } // set date
void setTime( QTime time ) { t=time; } // set time
QString toString() const; // datetime to string
QDateTime addDays( long days ) const; // add days
QDateTime addSecs( long secs ) const; // add seconds (wrap date)
long daysTo( const QDateTime & ) const; // day difference
long secsTo( const QDateTime & ) const; // second difference
bool operator==( const QDateTime &dt ) const;
bool operator!=( const QDateTime &dt ) const;
bool operator<( const QDateTime &dt ) const;
bool operator<=( const QDateTime &dt ) const;
bool operator>( const QDateTime &dt ) const;
bool operator>=( const QDateTime &dt ) const;
static QDateTime currentDateTime(); // get current datetime
private:
QDate d; // date part
QTime t; // time part
};
// --------------------------------------------------------------------------
// Date/time stream functions
//
QDataStream &operator<<( QDataStream &, const QDate & );
QDataStream &operator>>( QDataStream &, QDate & );
QDataStream &operator<<( QDataStream &, const QTime & );
QDataStream &operator>>( QDataStream &, QTime & );
QDataStream &operator<<( QDataStream &, const QDateTime & );
QDataStream &operator>>( QDataStream &, QDateTime & );
#endif // QDATETM_H