summaryrefslogtreecommitdiff
path: root/qtools/qdatetime.h
blob: 2d5869c723f3b2e76cd0fb7718c73fedc4c3f103 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
/****************************************************************************
** 
**
** 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
    virtual ~QDate() {}

    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