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Diffstat (limited to 'qtools/qdatetime.h')
| -rw-r--r-- | qtools/qdatetime.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/qtools/qdatetime.h b/qtools/qdatetime.h new file mode 100644 index 0000000..2479dbf --- /dev/null +++ b/qtools/qdatetime.h @@ -0,0 +1,215 @@ +/**************************************************************************** +** +** +** Definition of date and time classes +** +** Created : 940124 +** +** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +** This file is part of the tools module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses may use this file in accordance with the Qt Commercial License +** Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#ifndef QDATETIME_H +#define QDATETIME_H + +#ifndef QT_H +#include "qstring.h" +#endif // QT_H + + +/***************************************************************************** + QDate class + *****************************************************************************/ + +class Q_EXPORT 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; // 28..31 + int daysInYear() const; // 365 or 366 + + virtual QString monthName( int month ) const; + virtual QString dayName( int weekday ) const; + + QString toString() const; + + bool setYMD( int y, int m, int d ); + + QDate addDays( int days ) const; + int daysTo( const QDate & ) const; + + 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(); + static bool isValid( int y, int m, int d ); + static bool leapYear( int year ); + +protected: + static uint greg2jul( int y, int m, int d ); + static void jul2greg( uint jd, int &y, int &m, int &d ); +private: + static const char * const monthNames[]; + static const char * const weekdayNames[]; + uint jd; + friend class QDateTime; +#ifndef QT_NO_DATASTREAM + friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & ); + friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & ); +#endif +}; + + +/***************************************************************************** + QTime class + *****************************************************************************/ + +class Q_EXPORT 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; + + bool setHMS( int h, int m, int s, int ms=0 ); + + QTime addSecs( int secs ) const; + int secsTo( const QTime & ) const; + QTime addMSecs( int ms ) const; + int msecsTo( const QTime & ) const; + + 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(); + static bool isValid( int h, int m, int s, int ms=0 ); + + void start(); + int restart(); + int elapsed(); + +private: + static bool currentTime( QTime * ); + + uint ds; + friend class QDateTime; +#ifndef QT_NO_DATASTREAM + friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & ); + friend Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & ); +#endif +}; + + +/***************************************************************************** + QDateTime class + *****************************************************************************/ + +class Q_EXPORT QDateTime +{ +public: + QDateTime() {} // set null date and null time + QDateTime( const QDate & ); + QDateTime( const QDate &, const QTime & ); + + bool isNull() const { return d.isNull() && t.isNull(); } + bool isValid() const { return d.isValid() && t.isValid(); } + + QDate date() const { return d; } + QTime time() const { return t; } + void setDate( const QDate &date ) { d=date; } + void setTime( const QTime &time ) { t=time; } + void setTime_t( uint secsSince1Jan1970UTC ); + + QString toString() const; + + QDateTime addDays( int days ) const; + QDateTime addSecs( int secs ) const; + int daysTo( const QDateTime & ) const; + int secsTo( const QDateTime & ) 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; + bool operator>=( const QDateTime &dt ) const; + + static QDateTime currentDateTime(); + +private: + QDate d; + QTime t; +#ifndef QT_NO_DATASTREAM + friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime &); + friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & ); +#endif +}; + + +/***************************************************************************** + Date and time stream functions + *****************************************************************************/ + +#ifndef QT_NO_DATASTREAM +Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & ); +Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & ); +Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & ); +Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & ); +Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime & ); +Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & ); +#endif // QT_NO_DATASTREAM + +#endif // QDATETIME_H |