1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_tools.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski #if defined( OS2 )
28*b1cdbd2cSJim Jagielski #define INCL_DOSDATETIME
29*b1cdbd2cSJim Jagielski #include <svpm.h>
30*b1cdbd2cSJim Jagielski #elif defined( WNT )
31*b1cdbd2cSJim Jagielski #ifdef _MSC_VER
32*b1cdbd2cSJim Jagielski #pragma warning (push,1)
33*b1cdbd2cSJim Jagielski #endif
34*b1cdbd2cSJim Jagielski #include <tools/svwin.h>
35*b1cdbd2cSJim Jagielski #ifdef _MSC_VER
36*b1cdbd2cSJim Jagielski #pragma warning (pop)
37*b1cdbd2cSJim Jagielski #endif
38*b1cdbd2cSJim Jagielski #else
39*b1cdbd2cSJim Jagielski #include <time.h>
40*b1cdbd2cSJim Jagielski #endif
41*b1cdbd2cSJim Jagielski
42*b1cdbd2cSJim Jagielski #include <tools/debug.hxx>
43*b1cdbd2cSJim Jagielski #include <tools/date.hxx>
44*b1cdbd2cSJim Jagielski #ifdef MACOSX
45*b1cdbd2cSJim Jagielski extern "C" {
46*b1cdbd2cSJim Jagielski struct tm *localtime_r(const time_t *timep, struct tm *buffer);
47*b1cdbd2cSJim Jagielski }
48*b1cdbd2cSJim Jagielski #endif
49*b1cdbd2cSJim Jagielski
50*b1cdbd2cSJim Jagielski // =======================================================================
51*b1cdbd2cSJim Jagielski
52*b1cdbd2cSJim Jagielski static sal_uInt16 aDaysInMonth[12] = { 31, 28, 31, 30, 31, 30,
53*b1cdbd2cSJim Jagielski 31, 31, 30, 31, 30, 31 };
54*b1cdbd2cSJim Jagielski
55*b1cdbd2cSJim Jagielski #define MAX_DAYS 3636532
56*b1cdbd2cSJim Jagielski
57*b1cdbd2cSJim Jagielski // =======================================================================
58*b1cdbd2cSJim Jagielski
ImpIsLeapYear(sal_uInt16 nYear)59*b1cdbd2cSJim Jagielski inline sal_Bool ImpIsLeapYear( sal_uInt16 nYear )
60*b1cdbd2cSJim Jagielski {
61*b1cdbd2cSJim Jagielski return (
62*b1cdbd2cSJim Jagielski ( ((nYear % 4) == 0) && ((nYear % 100) != 0) ) ||
63*b1cdbd2cSJim Jagielski ( (nYear % 400) == 0 )
64*b1cdbd2cSJim Jagielski );
65*b1cdbd2cSJim Jagielski }
66*b1cdbd2cSJim Jagielski
67*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
68*b1cdbd2cSJim Jagielski
DaysInMonth(sal_uInt16 nMonth,sal_uInt16 nYear)69*b1cdbd2cSJim Jagielski inline sal_uInt16 DaysInMonth( sal_uInt16 nMonth, sal_uInt16 nYear )
70*b1cdbd2cSJim Jagielski {
71*b1cdbd2cSJim Jagielski if ( nMonth != 2 )
72*b1cdbd2cSJim Jagielski return aDaysInMonth[nMonth-1];
73*b1cdbd2cSJim Jagielski else
74*b1cdbd2cSJim Jagielski {
75*b1cdbd2cSJim Jagielski if (ImpIsLeapYear(nYear))
76*b1cdbd2cSJim Jagielski return aDaysInMonth[nMonth-1] + 1;
77*b1cdbd2cSJim Jagielski else
78*b1cdbd2cSJim Jagielski return aDaysInMonth[nMonth-1];
79*b1cdbd2cSJim Jagielski }
80*b1cdbd2cSJim Jagielski }
81*b1cdbd2cSJim Jagielski
82*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
83*b1cdbd2cSJim Jagielski
DateToDays(sal_uInt16 nDay,sal_uInt16 nMonth,sal_uInt16 nYear)84*b1cdbd2cSJim Jagielski long Date::DateToDays( sal_uInt16 nDay, sal_uInt16 nMonth, sal_uInt16 nYear )
85*b1cdbd2cSJim Jagielski {
86*b1cdbd2cSJim Jagielski long nDays;
87*b1cdbd2cSJim Jagielski
88*b1cdbd2cSJim Jagielski nDays = ((sal_uIntPtr)nYear-1) * 365;
89*b1cdbd2cSJim Jagielski nDays += ((nYear-1) / 4) - ((nYear-1) / 100) + ((nYear-1) / 400);
90*b1cdbd2cSJim Jagielski for( sal_uInt16 i = 1; i < nMonth; i++ )
91*b1cdbd2cSJim Jagielski nDays += DaysInMonth(i,nYear);
92*b1cdbd2cSJim Jagielski nDays += nDay;
93*b1cdbd2cSJim Jagielski return nDays;
94*b1cdbd2cSJim Jagielski }
95*b1cdbd2cSJim Jagielski
96*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
97*b1cdbd2cSJim Jagielski
DaysToDate(long nDays,sal_uInt16 & rDay,sal_uInt16 & rMonth,sal_uInt16 & rYear)98*b1cdbd2cSJim Jagielski static void DaysToDate( long nDays,
99*b1cdbd2cSJim Jagielski sal_uInt16& rDay, sal_uInt16& rMonth, sal_uInt16& rYear )
100*b1cdbd2cSJim Jagielski {
101*b1cdbd2cSJim Jagielski long nTempDays;
102*b1cdbd2cSJim Jagielski long i = 0;
103*b1cdbd2cSJim Jagielski sal_Bool bCalc;
104*b1cdbd2cSJim Jagielski
105*b1cdbd2cSJim Jagielski do
106*b1cdbd2cSJim Jagielski {
107*b1cdbd2cSJim Jagielski nTempDays = (long)nDays;
108*b1cdbd2cSJim Jagielski rYear = (sal_uInt16)((nTempDays / 365) - i);
109*b1cdbd2cSJim Jagielski nTempDays -= ((sal_uIntPtr)rYear-1) * 365;
110*b1cdbd2cSJim Jagielski nTempDays -= ((rYear-1) / 4) - ((rYear-1) / 100) + ((rYear-1) / 400);
111*b1cdbd2cSJim Jagielski bCalc = sal_False;
112*b1cdbd2cSJim Jagielski if ( nTempDays < 1 )
113*b1cdbd2cSJim Jagielski {
114*b1cdbd2cSJim Jagielski i++;
115*b1cdbd2cSJim Jagielski bCalc = sal_True;
116*b1cdbd2cSJim Jagielski }
117*b1cdbd2cSJim Jagielski else
118*b1cdbd2cSJim Jagielski {
119*b1cdbd2cSJim Jagielski if ( nTempDays > 365 )
120*b1cdbd2cSJim Jagielski {
121*b1cdbd2cSJim Jagielski if ( (nTempDays != 366) || !ImpIsLeapYear( rYear ) )
122*b1cdbd2cSJim Jagielski {
123*b1cdbd2cSJim Jagielski i--;
124*b1cdbd2cSJim Jagielski bCalc = sal_True;
125*b1cdbd2cSJim Jagielski }
126*b1cdbd2cSJim Jagielski }
127*b1cdbd2cSJim Jagielski }
128*b1cdbd2cSJim Jagielski }
129*b1cdbd2cSJim Jagielski while ( bCalc );
130*b1cdbd2cSJim Jagielski
131*b1cdbd2cSJim Jagielski rMonth = 1;
132*b1cdbd2cSJim Jagielski while ( (sal_uIntPtr)nTempDays > DaysInMonth( rMonth, rYear ) )
133*b1cdbd2cSJim Jagielski {
134*b1cdbd2cSJim Jagielski nTempDays -= DaysInMonth( rMonth, rYear );
135*b1cdbd2cSJim Jagielski rMonth++;
136*b1cdbd2cSJim Jagielski }
137*b1cdbd2cSJim Jagielski rDay = (sal_uInt16)nTempDays;
138*b1cdbd2cSJim Jagielski }
139*b1cdbd2cSJim Jagielski
140*b1cdbd2cSJim Jagielski // =======================================================================
141*b1cdbd2cSJim Jagielski
Date()142*b1cdbd2cSJim Jagielski Date::Date()
143*b1cdbd2cSJim Jagielski {
144*b1cdbd2cSJim Jagielski #if defined( OS2 )
145*b1cdbd2cSJim Jagielski PM_DATETIME aDateTime;
146*b1cdbd2cSJim Jagielski DosGetDateTime( &aDateTime );
147*b1cdbd2cSJim Jagielski
148*b1cdbd2cSJim Jagielski // Datum zusammenbauen
149*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)aDateTime.day) +
150*b1cdbd2cSJim Jagielski (((sal_uIntPtr)aDateTime.month)*100) +
151*b1cdbd2cSJim Jagielski (((sal_uIntPtr)aDateTime.year)*10000);
152*b1cdbd2cSJim Jagielski #elif defined WNT
153*b1cdbd2cSJim Jagielski SYSTEMTIME aDateTime;
154*b1cdbd2cSJim Jagielski GetLocalTime( &aDateTime );
155*b1cdbd2cSJim Jagielski
156*b1cdbd2cSJim Jagielski // Datum zusammenbauen
157*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)aDateTime.wDay) +
158*b1cdbd2cSJim Jagielski (((sal_uIntPtr)aDateTime.wMonth)*100) +
159*b1cdbd2cSJim Jagielski (((sal_uIntPtr)aDateTime.wYear)*10000);
160*b1cdbd2cSJim Jagielski #else
161*b1cdbd2cSJim Jagielski time_t nTmpTime;
162*b1cdbd2cSJim Jagielski struct tm aTime;
163*b1cdbd2cSJim Jagielski
164*b1cdbd2cSJim Jagielski // Zeit ermitteln
165*b1cdbd2cSJim Jagielski nTmpTime = time( 0 );
166*b1cdbd2cSJim Jagielski
167*b1cdbd2cSJim Jagielski // Datum zusammenbauen
168*b1cdbd2cSJim Jagielski if ( localtime_r( &nTmpTime, &aTime ) )
169*b1cdbd2cSJim Jagielski {
170*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)aTime.tm_mday) +
171*b1cdbd2cSJim Jagielski (((sal_uIntPtr)(aTime.tm_mon+1))*100) +
172*b1cdbd2cSJim Jagielski (((sal_uIntPtr)(aTime.tm_year+1900))*10000);
173*b1cdbd2cSJim Jagielski }
174*b1cdbd2cSJim Jagielski else
175*b1cdbd2cSJim Jagielski nDate = 1 + 100 + (((sal_uIntPtr)1900)*10000);
176*b1cdbd2cSJim Jagielski #endif
177*b1cdbd2cSJim Jagielski }
178*b1cdbd2cSJim Jagielski
179*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
180*b1cdbd2cSJim Jagielski
SetDay(sal_uInt16 nNewDay)181*b1cdbd2cSJim Jagielski void Date::SetDay( sal_uInt16 nNewDay )
182*b1cdbd2cSJim Jagielski {
183*b1cdbd2cSJim Jagielski sal_uIntPtr nMonth = GetMonth();
184*b1cdbd2cSJim Jagielski sal_uIntPtr nYear = GetYear();
185*b1cdbd2cSJim Jagielski
186*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)(nNewDay%100)) + (nMonth*100) + (nYear*10000);
187*b1cdbd2cSJim Jagielski }
188*b1cdbd2cSJim Jagielski
189*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
190*b1cdbd2cSJim Jagielski
SetMonth(sal_uInt16 nNewMonth)191*b1cdbd2cSJim Jagielski void Date::SetMonth( sal_uInt16 nNewMonth )
192*b1cdbd2cSJim Jagielski {
193*b1cdbd2cSJim Jagielski sal_uIntPtr nDay = GetDay();
194*b1cdbd2cSJim Jagielski sal_uIntPtr nYear = GetYear();
195*b1cdbd2cSJim Jagielski
196*b1cdbd2cSJim Jagielski nDate = nDay + (((sal_uIntPtr)(nNewMonth%100))*100) + (nYear*10000);
197*b1cdbd2cSJim Jagielski }
198*b1cdbd2cSJim Jagielski
199*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
200*b1cdbd2cSJim Jagielski
SetYear(sal_uInt16 nNewYear)201*b1cdbd2cSJim Jagielski void Date::SetYear( sal_uInt16 nNewYear )
202*b1cdbd2cSJim Jagielski {
203*b1cdbd2cSJim Jagielski sal_uIntPtr nDay = GetDay();
204*b1cdbd2cSJim Jagielski sal_uIntPtr nMonth = GetMonth();
205*b1cdbd2cSJim Jagielski
206*b1cdbd2cSJim Jagielski nDate = nDay + (nMonth*100) + (((sal_uIntPtr)(nNewYear%10000))*10000);
207*b1cdbd2cSJim Jagielski }
208*b1cdbd2cSJim Jagielski
209*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
210*b1cdbd2cSJim Jagielski
GetDayOfWeek() const211*b1cdbd2cSJim Jagielski DayOfWeek Date::GetDayOfWeek() const
212*b1cdbd2cSJim Jagielski {
213*b1cdbd2cSJim Jagielski return (DayOfWeek)((sal_uIntPtr)(DateToDays( GetDay(), GetMonth(), GetYear() )-1) % 7);
214*b1cdbd2cSJim Jagielski }
215*b1cdbd2cSJim Jagielski
216*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
217*b1cdbd2cSJim Jagielski
GetDayOfYear() const218*b1cdbd2cSJim Jagielski sal_uInt16 Date::GetDayOfYear() const
219*b1cdbd2cSJim Jagielski {
220*b1cdbd2cSJim Jagielski sal_uInt16 nDay = GetDay();
221*b1cdbd2cSJim Jagielski for( sal_uInt16 i = 1; i < GetMonth(); i++ )
222*b1cdbd2cSJim Jagielski nDay = nDay + ::DaysInMonth( i, GetYear() ); // += yields a warning on MSVC, so don't use it
223*b1cdbd2cSJim Jagielski return nDay;
224*b1cdbd2cSJim Jagielski }
225*b1cdbd2cSJim Jagielski
226*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
227*b1cdbd2cSJim Jagielski
GetWeekOfYear(DayOfWeek eStartDay,sal_Int16 nMinimumNumberOfDaysInWeek) const228*b1cdbd2cSJim Jagielski sal_uInt16 Date::GetWeekOfYear( DayOfWeek eStartDay,
229*b1cdbd2cSJim Jagielski sal_Int16 nMinimumNumberOfDaysInWeek ) const
230*b1cdbd2cSJim Jagielski {
231*b1cdbd2cSJim Jagielski short nWeek;
232*b1cdbd2cSJim Jagielski short n1WDay = (short)Date( 1, 1, GetYear() ).GetDayOfWeek();
233*b1cdbd2cSJim Jagielski short nDayOfYear = (short)GetDayOfYear();
234*b1cdbd2cSJim Jagielski
235*b1cdbd2cSJim Jagielski // Wochentage beginnen bei 0, deshalb einen abziehen
236*b1cdbd2cSJim Jagielski nDayOfYear--;
237*b1cdbd2cSJim Jagielski // StartDay beruecksichtigen
238*b1cdbd2cSJim Jagielski n1WDay = (n1WDay+(7-(short)eStartDay)) % 7;
239*b1cdbd2cSJim Jagielski
240*b1cdbd2cSJim Jagielski if (nMinimumNumberOfDaysInWeek < 1 || 7 < nMinimumNumberOfDaysInWeek)
241*b1cdbd2cSJim Jagielski {
242*b1cdbd2cSJim Jagielski DBG_ERRORFILE("Date::GetWeekOfYear: invalid nMinimumNumberOfDaysInWeek");
243*b1cdbd2cSJim Jagielski nMinimumNumberOfDaysInWeek = 4;
244*b1cdbd2cSJim Jagielski }
245*b1cdbd2cSJim Jagielski
246*b1cdbd2cSJim Jagielski if ( nMinimumNumberOfDaysInWeek == 1 )
247*b1cdbd2cSJim Jagielski {
248*b1cdbd2cSJim Jagielski nWeek = ((n1WDay+nDayOfYear)/7) + 1;
249*b1cdbd2cSJim Jagielski // 53te-Woche nur dann, wenn wir nicht schon in der ersten
250*b1cdbd2cSJim Jagielski // Woche des neuen Jahres liegen
251*b1cdbd2cSJim Jagielski if ( nWeek == 54 )
252*b1cdbd2cSJim Jagielski nWeek = 1;
253*b1cdbd2cSJim Jagielski else if ( nWeek == 53 )
254*b1cdbd2cSJim Jagielski {
255*b1cdbd2cSJim Jagielski short nDaysInYear = (short)GetDaysInYear();
256*b1cdbd2cSJim Jagielski short nDaysNextYear = (short)Date( 1, 1, GetYear()+1 ).GetDayOfWeek();
257*b1cdbd2cSJim Jagielski nDaysNextYear = (nDaysNextYear+(7-(short)eStartDay)) % 7;
258*b1cdbd2cSJim Jagielski if ( nDayOfYear > (nDaysInYear-nDaysNextYear-1) )
259*b1cdbd2cSJim Jagielski nWeek = 1;
260*b1cdbd2cSJim Jagielski }
261*b1cdbd2cSJim Jagielski }
262*b1cdbd2cSJim Jagielski else if ( nMinimumNumberOfDaysInWeek == 7 )
263*b1cdbd2cSJim Jagielski {
264*b1cdbd2cSJim Jagielski nWeek = ((n1WDay+nDayOfYear)/7);
265*b1cdbd2cSJim Jagielski // Erste Woche eines Jahres entspricht der letzen Woche des
266*b1cdbd2cSJim Jagielski // vorherigen Jahres
267*b1cdbd2cSJim Jagielski if ( nWeek == 0 )
268*b1cdbd2cSJim Jagielski {
269*b1cdbd2cSJim Jagielski Date aLastDatePrevYear( 31, 12, GetYear()-1 );
270*b1cdbd2cSJim Jagielski nWeek = aLastDatePrevYear.GetWeekOfYear( eStartDay, nMinimumNumberOfDaysInWeek );
271*b1cdbd2cSJim Jagielski }
272*b1cdbd2cSJim Jagielski }
273*b1cdbd2cSJim Jagielski else // ( nMinimumNumberOfDaysInWeek == somehing_else, commentary examples for 4 )
274*b1cdbd2cSJim Jagielski {
275*b1cdbd2cSJim Jagielski // x_monday - thursday
276*b1cdbd2cSJim Jagielski if ( n1WDay < nMinimumNumberOfDaysInWeek )
277*b1cdbd2cSJim Jagielski nWeek = 1;
278*b1cdbd2cSJim Jagielski // friday
279*b1cdbd2cSJim Jagielski else if ( n1WDay == nMinimumNumberOfDaysInWeek )
280*b1cdbd2cSJim Jagielski nWeek = 53;
281*b1cdbd2cSJim Jagielski // saturday
282*b1cdbd2cSJim Jagielski else if ( n1WDay == nMinimumNumberOfDaysInWeek + 1 )
283*b1cdbd2cSJim Jagielski {
284*b1cdbd2cSJim Jagielski // Jahr nach Schaltjahr
285*b1cdbd2cSJim Jagielski if ( Date( 1, 1, GetYear()-1 ).IsLeapYear() )
286*b1cdbd2cSJim Jagielski nWeek = 53;
287*b1cdbd2cSJim Jagielski else
288*b1cdbd2cSJim Jagielski nWeek = 52;
289*b1cdbd2cSJim Jagielski }
290*b1cdbd2cSJim Jagielski // sunday
291*b1cdbd2cSJim Jagielski else
292*b1cdbd2cSJim Jagielski nWeek = 52;
293*b1cdbd2cSJim Jagielski
294*b1cdbd2cSJim Jagielski if ( (nWeek == 1) || (nDayOfYear + n1WDay > 6) )
295*b1cdbd2cSJim Jagielski {
296*b1cdbd2cSJim Jagielski if ( nWeek == 1 )
297*b1cdbd2cSJim Jagielski nWeek += (nDayOfYear + n1WDay) / 7;
298*b1cdbd2cSJim Jagielski else
299*b1cdbd2cSJim Jagielski nWeek = (nDayOfYear + n1WDay) / 7;
300*b1cdbd2cSJim Jagielski if ( nWeek == 53 )
301*b1cdbd2cSJim Jagielski {
302*b1cdbd2cSJim Jagielski // naechster x_Sonntag == erster x_Sonntag im neuen Jahr
303*b1cdbd2cSJim Jagielski // == noch gleiche Woche
304*b1cdbd2cSJim Jagielski long nTempDays = DateToDays( GetDay(), GetMonth(), GetYear() );
305*b1cdbd2cSJim Jagielski nTempDays += 6 - (GetDayOfWeek()+(7-(short)eStartDay)) % 7;
306*b1cdbd2cSJim Jagielski sal_uInt16 nDay;
307*b1cdbd2cSJim Jagielski sal_uInt16 nMonth;
308*b1cdbd2cSJim Jagielski sal_uInt16 nYear;
309*b1cdbd2cSJim Jagielski DaysToDate( nTempDays, nDay, nMonth, nYear );
310*b1cdbd2cSJim Jagielski nWeek = Date( nDay, nMonth, nYear ).GetWeekOfYear( eStartDay, nMinimumNumberOfDaysInWeek );
311*b1cdbd2cSJim Jagielski }
312*b1cdbd2cSJim Jagielski }
313*b1cdbd2cSJim Jagielski }
314*b1cdbd2cSJim Jagielski
315*b1cdbd2cSJim Jagielski return (sal_uInt16)nWeek;
316*b1cdbd2cSJim Jagielski }
317*b1cdbd2cSJim Jagielski
318*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
319*b1cdbd2cSJim Jagielski
GetDaysInMonth() const320*b1cdbd2cSJim Jagielski sal_uInt16 Date::GetDaysInMonth() const
321*b1cdbd2cSJim Jagielski {
322*b1cdbd2cSJim Jagielski return DaysInMonth( GetMonth(), GetYear() );
323*b1cdbd2cSJim Jagielski }
324*b1cdbd2cSJim Jagielski
325*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
326*b1cdbd2cSJim Jagielski
IsLeapYear() const327*b1cdbd2cSJim Jagielski sal_Bool Date::IsLeapYear() const
328*b1cdbd2cSJim Jagielski {
329*b1cdbd2cSJim Jagielski sal_uInt16 nYear = GetYear();
330*b1cdbd2cSJim Jagielski return ImpIsLeapYear( nYear );
331*b1cdbd2cSJim Jagielski }
332*b1cdbd2cSJim Jagielski
333*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
334*b1cdbd2cSJim Jagielski
IsValid() const335*b1cdbd2cSJim Jagielski sal_Bool Date::IsValid() const
336*b1cdbd2cSJim Jagielski {
337*b1cdbd2cSJim Jagielski sal_uInt16 nDay = GetDay();
338*b1cdbd2cSJim Jagielski sal_uInt16 nMonth = GetMonth();
339*b1cdbd2cSJim Jagielski sal_uInt16 nYear = GetYear();
340*b1cdbd2cSJim Jagielski
341*b1cdbd2cSJim Jagielski if ( !nMonth || (nMonth > 12) )
342*b1cdbd2cSJim Jagielski return sal_False;
343*b1cdbd2cSJim Jagielski if ( !nDay || (nDay > DaysInMonth( nMonth, nYear )) )
344*b1cdbd2cSJim Jagielski return sal_False;
345*b1cdbd2cSJim Jagielski else if ( nYear <= 1582 )
346*b1cdbd2cSJim Jagielski {
347*b1cdbd2cSJim Jagielski if ( nYear < 1582 )
348*b1cdbd2cSJim Jagielski return sal_False;
349*b1cdbd2cSJim Jagielski else if ( nMonth < 10 )
350*b1cdbd2cSJim Jagielski return sal_False;
351*b1cdbd2cSJim Jagielski else if ( (nMonth == 10) && (nDay < 15) )
352*b1cdbd2cSJim Jagielski return sal_False;
353*b1cdbd2cSJim Jagielski }
354*b1cdbd2cSJim Jagielski
355*b1cdbd2cSJim Jagielski return sal_True;
356*b1cdbd2cSJim Jagielski }
357*b1cdbd2cSJim Jagielski
358*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
359*b1cdbd2cSJim Jagielski
operator +=(long nDays)360*b1cdbd2cSJim Jagielski Date& Date::operator +=( long nDays )
361*b1cdbd2cSJim Jagielski {
362*b1cdbd2cSJim Jagielski sal_uInt16 nDay;
363*b1cdbd2cSJim Jagielski sal_uInt16 nMonth;
364*b1cdbd2cSJim Jagielski sal_uInt16 nYear;
365*b1cdbd2cSJim Jagielski long nTempDays = DateToDays( GetDay(), GetMonth(), GetYear() );
366*b1cdbd2cSJim Jagielski
367*b1cdbd2cSJim Jagielski nTempDays += nDays;
368*b1cdbd2cSJim Jagielski if ( nTempDays > MAX_DAYS )
369*b1cdbd2cSJim Jagielski nDate = 31 + (12*100) + (((sal_uIntPtr)9999)*10000);
370*b1cdbd2cSJim Jagielski else if ( nTempDays <= 0 )
371*b1cdbd2cSJim Jagielski nDate = 1 + 100;
372*b1cdbd2cSJim Jagielski else
373*b1cdbd2cSJim Jagielski {
374*b1cdbd2cSJim Jagielski DaysToDate( nTempDays, nDay, nMonth, nYear );
375*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)nDay) + (((sal_uIntPtr)nMonth)*100) + (((sal_uIntPtr)nYear)*10000);
376*b1cdbd2cSJim Jagielski }
377*b1cdbd2cSJim Jagielski
378*b1cdbd2cSJim Jagielski return *this;
379*b1cdbd2cSJim Jagielski }
380*b1cdbd2cSJim Jagielski
381*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
382*b1cdbd2cSJim Jagielski
operator -=(long nDays)383*b1cdbd2cSJim Jagielski Date& Date::operator -=( long nDays )
384*b1cdbd2cSJim Jagielski {
385*b1cdbd2cSJim Jagielski sal_uInt16 nDay;
386*b1cdbd2cSJim Jagielski sal_uInt16 nMonth;
387*b1cdbd2cSJim Jagielski sal_uInt16 nYear;
388*b1cdbd2cSJim Jagielski long nTempDays = DateToDays( GetDay(), GetMonth(), GetYear() );
389*b1cdbd2cSJim Jagielski
390*b1cdbd2cSJim Jagielski nTempDays -= nDays;
391*b1cdbd2cSJim Jagielski if ( nTempDays > MAX_DAYS )
392*b1cdbd2cSJim Jagielski nDate = 31 + (12*100) + (((sal_uIntPtr)9999)*10000);
393*b1cdbd2cSJim Jagielski else if ( nTempDays <= 0 )
394*b1cdbd2cSJim Jagielski nDate = 1 + 100;
395*b1cdbd2cSJim Jagielski else
396*b1cdbd2cSJim Jagielski {
397*b1cdbd2cSJim Jagielski DaysToDate( nTempDays, nDay, nMonth, nYear );
398*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)nDay) + (((sal_uIntPtr)nMonth)*100) + (((sal_uIntPtr)nYear)*10000);
399*b1cdbd2cSJim Jagielski }
400*b1cdbd2cSJim Jagielski
401*b1cdbd2cSJim Jagielski return *this;
402*b1cdbd2cSJim Jagielski }
403*b1cdbd2cSJim Jagielski
404*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
405*b1cdbd2cSJim Jagielski
operator ++()406*b1cdbd2cSJim Jagielski Date& Date::operator ++()
407*b1cdbd2cSJim Jagielski {
408*b1cdbd2cSJim Jagielski sal_uInt16 nDay;
409*b1cdbd2cSJim Jagielski sal_uInt16 nMonth;
410*b1cdbd2cSJim Jagielski sal_uInt16 nYear;
411*b1cdbd2cSJim Jagielski long nTempDays = DateToDays( GetDay(), GetMonth(), GetYear() );
412*b1cdbd2cSJim Jagielski
413*b1cdbd2cSJim Jagielski if ( nTempDays < MAX_DAYS )
414*b1cdbd2cSJim Jagielski {
415*b1cdbd2cSJim Jagielski nTempDays++;
416*b1cdbd2cSJim Jagielski DaysToDate( nTempDays, nDay, nMonth, nYear );
417*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)nDay) + (((sal_uIntPtr)nMonth)*100) + (((sal_uIntPtr)nYear)*10000);
418*b1cdbd2cSJim Jagielski }
419*b1cdbd2cSJim Jagielski
420*b1cdbd2cSJim Jagielski return *this;
421*b1cdbd2cSJim Jagielski }
422*b1cdbd2cSJim Jagielski
423*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
424*b1cdbd2cSJim Jagielski
operator --()425*b1cdbd2cSJim Jagielski Date& Date::operator --()
426*b1cdbd2cSJim Jagielski {
427*b1cdbd2cSJim Jagielski sal_uInt16 nDay;
428*b1cdbd2cSJim Jagielski sal_uInt16 nMonth;
429*b1cdbd2cSJim Jagielski sal_uInt16 nYear;
430*b1cdbd2cSJim Jagielski long nTempDays = DateToDays( GetDay(), GetMonth(), GetYear() );
431*b1cdbd2cSJim Jagielski
432*b1cdbd2cSJim Jagielski if ( nTempDays > 1 )
433*b1cdbd2cSJim Jagielski {
434*b1cdbd2cSJim Jagielski nTempDays--;
435*b1cdbd2cSJim Jagielski DaysToDate( nTempDays, nDay, nMonth, nYear );
436*b1cdbd2cSJim Jagielski nDate = ((sal_uIntPtr)nDay) + (((sal_uIntPtr)nMonth)*100) + (((sal_uIntPtr)nYear)*10000);
437*b1cdbd2cSJim Jagielski }
438*b1cdbd2cSJim Jagielski return *this;
439*b1cdbd2cSJim Jagielski }
440*b1cdbd2cSJim Jagielski
441*b1cdbd2cSJim Jagielski #ifndef MPW33
442*b1cdbd2cSJim Jagielski
443*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
444*b1cdbd2cSJim Jagielski
operator ++(int)445*b1cdbd2cSJim Jagielski Date Date::operator ++( int )
446*b1cdbd2cSJim Jagielski {
447*b1cdbd2cSJim Jagielski Date aOldDate = *this;
448*b1cdbd2cSJim Jagielski Date::operator++();
449*b1cdbd2cSJim Jagielski return aOldDate;
450*b1cdbd2cSJim Jagielski }
451*b1cdbd2cSJim Jagielski
452*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
453*b1cdbd2cSJim Jagielski
operator --(int)454*b1cdbd2cSJim Jagielski Date Date::operator --( int )
455*b1cdbd2cSJim Jagielski {
456*b1cdbd2cSJim Jagielski Date aOldDate = *this;
457*b1cdbd2cSJim Jagielski Date::operator--();
458*b1cdbd2cSJim Jagielski return aOldDate;
459*b1cdbd2cSJim Jagielski }
460*b1cdbd2cSJim Jagielski
461*b1cdbd2cSJim Jagielski #endif
462*b1cdbd2cSJim Jagielski
463*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
464*b1cdbd2cSJim Jagielski
operator +(const Date & rDate,long nDays)465*b1cdbd2cSJim Jagielski Date operator +( const Date& rDate, long nDays )
466*b1cdbd2cSJim Jagielski {
467*b1cdbd2cSJim Jagielski Date aDate( rDate );
468*b1cdbd2cSJim Jagielski aDate += nDays;
469*b1cdbd2cSJim Jagielski return aDate;
470*b1cdbd2cSJim Jagielski }
471*b1cdbd2cSJim Jagielski
472*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
473*b1cdbd2cSJim Jagielski
operator -(const Date & rDate,long nDays)474*b1cdbd2cSJim Jagielski Date operator -( const Date& rDate, long nDays )
475*b1cdbd2cSJim Jagielski {
476*b1cdbd2cSJim Jagielski Date aDate( rDate );
477*b1cdbd2cSJim Jagielski aDate -= nDays;
478*b1cdbd2cSJim Jagielski return aDate;
479*b1cdbd2cSJim Jagielski }
480*b1cdbd2cSJim Jagielski
481*b1cdbd2cSJim Jagielski // -----------------------------------------------------------------------
482*b1cdbd2cSJim Jagielski
operator -(const Date & rDate1,const Date & rDate2)483*b1cdbd2cSJim Jagielski long operator -( const Date& rDate1, const Date& rDate2 )
484*b1cdbd2cSJim Jagielski {
485*b1cdbd2cSJim Jagielski sal_uIntPtr nTempDays1 = Date::DateToDays( rDate1.GetDay(), rDate1.GetMonth(),
486*b1cdbd2cSJim Jagielski rDate1.GetYear() );
487*b1cdbd2cSJim Jagielski sal_uIntPtr nTempDays2 = Date::DateToDays( rDate2.GetDay(), rDate2.GetMonth(),
488*b1cdbd2cSJim Jagielski rDate2.GetYear() );
489*b1cdbd2cSJim Jagielski return nTempDays1 - nTempDays2;
490*b1cdbd2cSJim Jagielski }
491