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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_TOOLS_DATE_HXX
#define INCLUDED_TOOLS_DATE_HXX
#include <tools/toolsdllapi.h>
#include <com/sun/star/util/Date.hpp>
#include <sal/log.hxx>
class ResId;
enum DayOfWeek { MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY,
SATURDAY, SUNDAY };
// TODO FIXME: make it handle signed year?
class TOOLS_DLLPUBLIC SAL_WARN_UNUSED Date
{
private:
sal_uInt32 nDate;
void init( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear )
{ nDate = ( sal_uInt32( nDay % 100 ) ) +
( ( sal_uInt32( nMonth % 100 ) ) * 100 ) +
( ( sal_uInt32( nYear % 10000 ) ) * 10000); }
public:
enum DateInitSystem
{
SYSTEM
};
// TODO temporary until all uses are inspected and resolved
enum DateInitEmpty
{
EMPTY
};
Date( DateInitEmpty)
{ nDate = 0; }
Date( DateInitSystem );
Date( const ResId & rResId );
Date( sal_uInt32 _nDate ) { Date::nDate = _nDate; }
Date( const Date& rDate )
{ nDate = rDate.nDate; }
Date( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear )
{ init(nDay, nMonth, nYear); }
Date( const ::com::sun::star::util::Date& _rDate )
{
SAL_WARN_IF(_rDate.Year < 0, "tools.datetime", "Negative year in css::util::Date to ::Date conversion");
init(_rDate.Day, _rDate.Month, _rDate.Year);
}
void SetDate( sal_uInt32 nNewDate ) { nDate = nNewDate; }
sal_uInt32 GetDate() const { return nDate; }
::com::sun::star::util::Date GetUNODate() const { return ::com::sun::star::util::Date(GetDay(), GetMonth(), GetYear()); }
void SetDay( sal_uInt16 nNewDay );
void SetMonth( sal_uInt16 nNewMonth );
void SetYear( sal_uInt16 nNewYear );
sal_uInt16 GetDay() const { return (sal_uInt16)(nDate % 100); }
sal_uInt16 GetMonth() const { return (sal_uInt16)((nDate / 100) % 100); }
sal_uInt16 GetYear() const { return (sal_uInt16)(nDate / 10000); }
/** Obtain the day of the week for the date.
Internally normalizes a copy of values.
The result may be unexpected for a non-normalized invalid date like
Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
*/
DayOfWeek GetDayOfWeek() const;
/** Obtain the day of the year for the date.
Internally normalizes a copy of values.
The result may be unexpected for a non-normalized invalid date like
Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
*/
sal_uInt16 GetDayOfYear() const;
/** Obtain the week of the year for a date.
@param nMinimumNumberOfDaysInWeek
How many days of a week must reside in the first week of a year.
Internally normalizes a copy of values.
The result may be unexpected for a non-normalized invalid date like
Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
*/
sal_uInt16 GetWeekOfYear( DayOfWeek eStartDay = MONDAY,
sal_Int16 nMinimumNumberOfDaysInWeek = 4 ) const;
/** Obtain the number of days in the month of the year of the date.
Internally normalizes a copy of values.
The result may be unexpected for a non-normalized invalid date like
Date(31,11,2000) or a sequence of aDate.SetDay(31); aDate.SetMonth(11);
These would result in 31 as --11-31 rolls over to --12-01 and the
number of days in December is returned.
Instead, to obtain the value for the actual set use the static method
Date::GetDaysInMonth( aDate.GetMonth(), aDate.GetYear()) in such cases.
*/
sal_uInt16 GetDaysInMonth() const;
sal_uInt16 GetDaysInYear() const { return (IsLeapYear()) ? 366 : 365; }
bool IsLeapYear() const;
/** If the represented date is valid (1<=month<=12, 1<=day<=(28,29,30,31)
depending on month/year) AND is of the Gregorian calendar (1582-10-15
<= date) (AND implicitly date <= 9999-12-31 due to internal
representation) */
bool IsValidAndGregorian() const;
/** If the represented date is valid (1<=month<=12, 1<=day<=(28,29,30,31)
depending on month/year) */
bool IsValidDate() const;
/** Normalize date, invalid day or month values are adapted such that they
carry over to the next month or/and year, for example 1999-02-32
becomes 1999-03-04, 1999-13-01 becomes 2000-01-01, 1999-13-42 becomes
2000-02-11. Truncates at 9999-12-31, 0000-00-x will yield the
normalized value of 0000-01-max(1,(x-31))
This may be necessary after Date ctors or if the SetDate(), SetDay(),
SetMonth(), SetYear() methods set individual non-matching values.
Adding/subtracting to/from dates never produces invalid dates.
@returns TRUE if the date was normalized, i.e. not valid before.
*/
bool Normalize();
bool IsBetween( const Date& rFrom, const Date& rTo ) const
{ return ((nDate >= rFrom.nDate) &&
(nDate <= rTo.nDate)); }
bool operator ==( const Date& rDate ) const
{ return (nDate == rDate.nDate); }
bool operator !=( const Date& rDate ) const
{ return (nDate != rDate.nDate); }
bool operator >( const Date& rDate ) const
{ return (nDate > rDate.nDate); }
bool operator <( const Date& rDate ) const
{ return (nDate < rDate.nDate); }
bool operator >=( const Date& rDate ) const
{ return (nDate >= rDate.nDate); }
bool operator <=( const Date& rDate ) const
{ return (nDate <= rDate.nDate); }
Date& operator =( const Date& rDate )
{ nDate = rDate.nDate; return *this; }
Date& operator +=( long nDays );
Date& operator -=( long nDays );
Date& operator ++();
Date& operator --();
Date operator ++( int );
Date operator --( int );
TOOLS_DLLPUBLIC friend Date operator +( const Date& rDate, long nDays );
TOOLS_DLLPUBLIC friend Date operator -( const Date& rDate, long nDays );
TOOLS_DLLPUBLIC friend long operator -( const Date& rDate1, const Date& rDate2 );
/** Obtain number of days in a month of a year.
Internally sanitizes nMonth to values 1 <= nMonth <= 12, does not
normalize values.
*/
static sal_uInt16 GetDaysInMonth( sal_uInt16 nMonth, sal_uInt16 nYear );
/// Internally normalizes values.
static long DateToDays( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear );
/// Semantically identical to IsValidDate() member method.
static bool IsValidDate( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear );
/// Semantically identical to Normalize() member method.
static bool Normalize( sal_uInt16 & rDay, sal_uInt16 & rMonth, sal_uInt16 & rYear );
private:
/// An accelerated form of DateToDays on this date
long GetAsNormalizedDays() const;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
