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 #include <tools/datetime.hxx>
28*b1cdbd2cSJim Jagielski #include <rtl/math.hxx>
29*b1cdbd2cSJim Jagielski
30*b1cdbd2cSJim Jagielski /*************************************************************************
31*b1cdbd2cSJim Jagielski |*
32*b1cdbd2cSJim Jagielski |* DateTime::IsBetween()
33*b1cdbd2cSJim Jagielski |*
34*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
35*b1cdbd2cSJim Jagielski |* Ersterstellung TH 18.05.92
36*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 18.05.92
37*b1cdbd2cSJim Jagielski |*
38*b1cdbd2cSJim Jagielski *************************************************************************/
39*b1cdbd2cSJim Jagielski
IsBetween(const DateTime & rFrom,const DateTime & rTo) const40*b1cdbd2cSJim Jagielski sal_Bool DateTime::IsBetween( const DateTime& rFrom,
41*b1cdbd2cSJim Jagielski const DateTime& rTo ) const
42*b1cdbd2cSJim Jagielski {
43*b1cdbd2cSJim Jagielski if ( (*this >= rFrom) && (*this <= rTo) )
44*b1cdbd2cSJim Jagielski return sal_True;
45*b1cdbd2cSJim Jagielski else
46*b1cdbd2cSJim Jagielski return sal_False;
47*b1cdbd2cSJim Jagielski }
48*b1cdbd2cSJim Jagielski
49*b1cdbd2cSJim Jagielski /*************************************************************************
50*b1cdbd2cSJim Jagielski |*
51*b1cdbd2cSJim Jagielski |* DateTime::operator >()
52*b1cdbd2cSJim Jagielski |*
53*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
54*b1cdbd2cSJim Jagielski |* Ersterstellung TH 18.05.92
55*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 18.05.92
56*b1cdbd2cSJim Jagielski |*
57*b1cdbd2cSJim Jagielski *************************************************************************/
58*b1cdbd2cSJim Jagielski
operator >(const DateTime & rDateTime) const59*b1cdbd2cSJim Jagielski sal_Bool DateTime::operator >( const DateTime& rDateTime ) const
60*b1cdbd2cSJim Jagielski {
61*b1cdbd2cSJim Jagielski if ( (Date::operator>( rDateTime )) ||
62*b1cdbd2cSJim Jagielski (Date::operator==( rDateTime ) && Time::operator>( rDateTime )) )
63*b1cdbd2cSJim Jagielski return sal_True;
64*b1cdbd2cSJim Jagielski else
65*b1cdbd2cSJim Jagielski return sal_False;
66*b1cdbd2cSJim Jagielski }
67*b1cdbd2cSJim Jagielski
68*b1cdbd2cSJim Jagielski /*************************************************************************
69*b1cdbd2cSJim Jagielski |*
70*b1cdbd2cSJim Jagielski |* DateTime::operator <()
71*b1cdbd2cSJim Jagielski |*
72*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
73*b1cdbd2cSJim Jagielski |* Ersterstellung TH 18.05.92
74*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 18.05.92
75*b1cdbd2cSJim Jagielski |*
76*b1cdbd2cSJim Jagielski *************************************************************************/
77*b1cdbd2cSJim Jagielski
operator <(const DateTime & rDateTime) const78*b1cdbd2cSJim Jagielski sal_Bool DateTime::operator <( const DateTime& rDateTime ) const
79*b1cdbd2cSJim Jagielski {
80*b1cdbd2cSJim Jagielski if ( (Date::operator<( rDateTime )) ||
81*b1cdbd2cSJim Jagielski (Date::operator==( rDateTime ) && Time::operator<( rDateTime )) )
82*b1cdbd2cSJim Jagielski return sal_True;
83*b1cdbd2cSJim Jagielski else
84*b1cdbd2cSJim Jagielski return sal_False;
85*b1cdbd2cSJim Jagielski }
86*b1cdbd2cSJim Jagielski
87*b1cdbd2cSJim Jagielski /*************************************************************************
88*b1cdbd2cSJim Jagielski |*
89*b1cdbd2cSJim Jagielski |* DateTime::operator >=()
90*b1cdbd2cSJim Jagielski |*
91*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
92*b1cdbd2cSJim Jagielski |* Ersterstellung TH 18.05.92
93*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 18.05.92
94*b1cdbd2cSJim Jagielski |*
95*b1cdbd2cSJim Jagielski *************************************************************************/
96*b1cdbd2cSJim Jagielski
operator >=(const DateTime & rDateTime) const97*b1cdbd2cSJim Jagielski sal_Bool DateTime::operator >=( const DateTime& rDateTime ) const
98*b1cdbd2cSJim Jagielski {
99*b1cdbd2cSJim Jagielski if ( (Date::operator>( rDateTime )) ||
100*b1cdbd2cSJim Jagielski (Date::operator==( rDateTime ) && Time::operator>=( rDateTime )) )
101*b1cdbd2cSJim Jagielski return sal_True;
102*b1cdbd2cSJim Jagielski else
103*b1cdbd2cSJim Jagielski return sal_False;
104*b1cdbd2cSJim Jagielski }
105*b1cdbd2cSJim Jagielski
106*b1cdbd2cSJim Jagielski /*************************************************************************
107*b1cdbd2cSJim Jagielski |*
108*b1cdbd2cSJim Jagielski |* DateTime::operator <=()
109*b1cdbd2cSJim Jagielski |*
110*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
111*b1cdbd2cSJim Jagielski |* Ersterstellung TH 18.05.92
112*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 18.05.92
113*b1cdbd2cSJim Jagielski |*
114*b1cdbd2cSJim Jagielski *************************************************************************/
115*b1cdbd2cSJim Jagielski
operator <=(const DateTime & rDateTime) const116*b1cdbd2cSJim Jagielski sal_Bool DateTime::operator <=( const DateTime& rDateTime ) const
117*b1cdbd2cSJim Jagielski {
118*b1cdbd2cSJim Jagielski if ( (Date::operator<( rDateTime )) ||
119*b1cdbd2cSJim Jagielski (Date::operator==( rDateTime ) && Time::operator<=( rDateTime )) )
120*b1cdbd2cSJim Jagielski return sal_True;
121*b1cdbd2cSJim Jagielski else
122*b1cdbd2cSJim Jagielski return sal_False;
123*b1cdbd2cSJim Jagielski }
124*b1cdbd2cSJim Jagielski
125*b1cdbd2cSJim Jagielski /*************************************************************************
126*b1cdbd2cSJim Jagielski |*
127*b1cdbd2cSJim Jagielski |* DateTime::GetSecFromDateTime()
128*b1cdbd2cSJim Jagielski |*
129*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
130*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
131*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
132*b1cdbd2cSJim Jagielski |*
133*b1cdbd2cSJim Jagielski *************************************************************************/
134*b1cdbd2cSJim Jagielski
GetSecFromDateTime(const Date & rDate) const135*b1cdbd2cSJim Jagielski long DateTime::GetSecFromDateTime( const Date& rDate ) const
136*b1cdbd2cSJim Jagielski {
137*b1cdbd2cSJim Jagielski if ( Date::operator<( rDate ) )
138*b1cdbd2cSJim Jagielski return 0;
139*b1cdbd2cSJim Jagielski else
140*b1cdbd2cSJim Jagielski {
141*b1cdbd2cSJim Jagielski long nSec = Date( *this ) - rDate;
142*b1cdbd2cSJim Jagielski nSec *= 24UL*60*60;
143*b1cdbd2cSJim Jagielski long nHour = GetHour();
144*b1cdbd2cSJim Jagielski long nMin = GetMin();
145*b1cdbd2cSJim Jagielski nSec += (nHour*3600)+(nMin*60)+GetSec();
146*b1cdbd2cSJim Jagielski return nSec;
147*b1cdbd2cSJim Jagielski }
148*b1cdbd2cSJim Jagielski }
149*b1cdbd2cSJim Jagielski
150*b1cdbd2cSJim Jagielski /*************************************************************************
151*b1cdbd2cSJim Jagielski |*
152*b1cdbd2cSJim Jagielski |* DateTime::GetSecFromDateTime()
153*b1cdbd2cSJim Jagielski |*
154*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
155*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
156*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
157*b1cdbd2cSJim Jagielski |*
158*b1cdbd2cSJim Jagielski *************************************************************************/
159*b1cdbd2cSJim Jagielski
MakeDateTimeFromSec(const Date & rDate,sal_uIntPtr nSec)160*b1cdbd2cSJim Jagielski void DateTime::MakeDateTimeFromSec( const Date& rDate, sal_uIntPtr nSec )
161*b1cdbd2cSJim Jagielski {
162*b1cdbd2cSJim Jagielski long nDays = nSec / (24UL*60*60);
163*b1cdbd2cSJim Jagielski ((Date*)this)->operator=( rDate );
164*b1cdbd2cSJim Jagielski nSec -= nDays * (24UL*60*60);
165*b1cdbd2cSJim Jagielski sal_uInt16 nMin = (sal_uInt16)(nSec / 60);
166*b1cdbd2cSJim Jagielski nSec -= nMin * 60;
167*b1cdbd2cSJim Jagielski ((Time*)this)->operator=( Time( 0, nMin, (sal_uInt16)nSec ) );
168*b1cdbd2cSJim Jagielski operator+=( nDays );
169*b1cdbd2cSJim Jagielski }
170*b1cdbd2cSJim Jagielski
171*b1cdbd2cSJim Jagielski /*************************************************************************
172*b1cdbd2cSJim Jagielski |*
173*b1cdbd2cSJim Jagielski |* DateTime::operator +=()
174*b1cdbd2cSJim Jagielski |*
175*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
176*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
177*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
178*b1cdbd2cSJim Jagielski |*
179*b1cdbd2cSJim Jagielski *************************************************************************/
180*b1cdbd2cSJim Jagielski
operator +=(const Time & rTime)181*b1cdbd2cSJim Jagielski DateTime& DateTime::operator +=( const Time& rTime )
182*b1cdbd2cSJim Jagielski {
183*b1cdbd2cSJim Jagielski Time aTime = *this;
184*b1cdbd2cSJim Jagielski aTime += rTime;
185*b1cdbd2cSJim Jagielski sal_uInt16 nHours = aTime.GetHour();
186*b1cdbd2cSJim Jagielski if ( aTime.GetTime() > 0 )
187*b1cdbd2cSJim Jagielski {
188*b1cdbd2cSJim Jagielski while ( nHours >= 24 )
189*b1cdbd2cSJim Jagielski {
190*b1cdbd2cSJim Jagielski Date::operator++();
191*b1cdbd2cSJim Jagielski nHours -= 24;
192*b1cdbd2cSJim Jagielski }
193*b1cdbd2cSJim Jagielski aTime.SetHour( nHours );
194*b1cdbd2cSJim Jagielski }
195*b1cdbd2cSJim Jagielski else if ( aTime.GetTime() != 0 )
196*b1cdbd2cSJim Jagielski {
197*b1cdbd2cSJim Jagielski while ( nHours >= 24 )
198*b1cdbd2cSJim Jagielski {
199*b1cdbd2cSJim Jagielski Date::operator--();
200*b1cdbd2cSJim Jagielski nHours -= 24;
201*b1cdbd2cSJim Jagielski }
202*b1cdbd2cSJim Jagielski Date::operator--();
203*b1cdbd2cSJim Jagielski aTime = Time( 24, 0, 0 )+aTime;
204*b1cdbd2cSJim Jagielski }
205*b1cdbd2cSJim Jagielski Time::operator=( aTime );
206*b1cdbd2cSJim Jagielski
207*b1cdbd2cSJim Jagielski return *this;
208*b1cdbd2cSJim Jagielski }
209*b1cdbd2cSJim Jagielski
210*b1cdbd2cSJim Jagielski /*************************************************************************
211*b1cdbd2cSJim Jagielski |*
212*b1cdbd2cSJim Jagielski |* DateTime::operator -=()
213*b1cdbd2cSJim Jagielski |*
214*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
215*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
216*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
217*b1cdbd2cSJim Jagielski |*
218*b1cdbd2cSJim Jagielski *************************************************************************/
219*b1cdbd2cSJim Jagielski
operator -=(const Time & rTime)220*b1cdbd2cSJim Jagielski DateTime& DateTime::operator -=( const Time& rTime )
221*b1cdbd2cSJim Jagielski {
222*b1cdbd2cSJim Jagielski Time aTime = *this;
223*b1cdbd2cSJim Jagielski aTime -= rTime;
224*b1cdbd2cSJim Jagielski sal_uInt16 nHours = aTime.GetHour();
225*b1cdbd2cSJim Jagielski if ( aTime.GetTime() > 0 )
226*b1cdbd2cSJim Jagielski {
227*b1cdbd2cSJim Jagielski while ( nHours >= 24 )
228*b1cdbd2cSJim Jagielski {
229*b1cdbd2cSJim Jagielski Date::operator++();
230*b1cdbd2cSJim Jagielski nHours -= 24;
231*b1cdbd2cSJim Jagielski }
232*b1cdbd2cSJim Jagielski aTime.SetHour( nHours );
233*b1cdbd2cSJim Jagielski }
234*b1cdbd2cSJim Jagielski else if ( aTime.GetTime() != 0 )
235*b1cdbd2cSJim Jagielski {
236*b1cdbd2cSJim Jagielski while ( nHours >= 24 )
237*b1cdbd2cSJim Jagielski {
238*b1cdbd2cSJim Jagielski Date::operator--();
239*b1cdbd2cSJim Jagielski nHours -= 24;
240*b1cdbd2cSJim Jagielski }
241*b1cdbd2cSJim Jagielski Date::operator--();
242*b1cdbd2cSJim Jagielski aTime = Time( 24, 0, 0 )+aTime;
243*b1cdbd2cSJim Jagielski }
244*b1cdbd2cSJim Jagielski Time::operator=( aTime );
245*b1cdbd2cSJim Jagielski
246*b1cdbd2cSJim Jagielski return *this;
247*b1cdbd2cSJim Jagielski }
248*b1cdbd2cSJim Jagielski
249*b1cdbd2cSJim Jagielski /*************************************************************************
250*b1cdbd2cSJim Jagielski |*
251*b1cdbd2cSJim Jagielski |* DateTime::operator+()
252*b1cdbd2cSJim Jagielski |*
253*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
254*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
255*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
256*b1cdbd2cSJim Jagielski |*
257*b1cdbd2cSJim Jagielski *************************************************************************/
258*b1cdbd2cSJim Jagielski
operator +(const DateTime & rDateTime,long nDays)259*b1cdbd2cSJim Jagielski DateTime operator +( const DateTime& rDateTime, long nDays )
260*b1cdbd2cSJim Jagielski {
261*b1cdbd2cSJim Jagielski DateTime aDateTime( rDateTime );
262*b1cdbd2cSJim Jagielski aDateTime += nDays;
263*b1cdbd2cSJim Jagielski return aDateTime;
264*b1cdbd2cSJim Jagielski }
265*b1cdbd2cSJim Jagielski
266*b1cdbd2cSJim Jagielski /*************************************************************************
267*b1cdbd2cSJim Jagielski |*
268*b1cdbd2cSJim Jagielski |* DateTime::operator-()
269*b1cdbd2cSJim Jagielski |*
270*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
271*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
272*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
273*b1cdbd2cSJim Jagielski |*
274*b1cdbd2cSJim Jagielski *************************************************************************/
275*b1cdbd2cSJim Jagielski
operator -(const DateTime & rDateTime,long nDays)276*b1cdbd2cSJim Jagielski DateTime operator -( const DateTime& rDateTime, long nDays )
277*b1cdbd2cSJim Jagielski {
278*b1cdbd2cSJim Jagielski DateTime aDateTime( rDateTime );
279*b1cdbd2cSJim Jagielski aDateTime -= nDays;
280*b1cdbd2cSJim Jagielski return aDateTime;
281*b1cdbd2cSJim Jagielski }
282*b1cdbd2cSJim Jagielski
283*b1cdbd2cSJim Jagielski /*************************************************************************
284*b1cdbd2cSJim Jagielski |*
285*b1cdbd2cSJim Jagielski |* DateTime::operator+()
286*b1cdbd2cSJim Jagielski |*
287*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
288*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
289*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
290*b1cdbd2cSJim Jagielski |*
291*b1cdbd2cSJim Jagielski *************************************************************************/
292*b1cdbd2cSJim Jagielski
operator +(const DateTime & rDateTime,const Time & rTime)293*b1cdbd2cSJim Jagielski DateTime operator +( const DateTime& rDateTime, const Time& rTime )
294*b1cdbd2cSJim Jagielski {
295*b1cdbd2cSJim Jagielski DateTime aDateTime( rDateTime );
296*b1cdbd2cSJim Jagielski aDateTime += rTime;
297*b1cdbd2cSJim Jagielski return aDateTime;
298*b1cdbd2cSJim Jagielski }
299*b1cdbd2cSJim Jagielski
300*b1cdbd2cSJim Jagielski /*************************************************************************
301*b1cdbd2cSJim Jagielski |*
302*b1cdbd2cSJim Jagielski |* DateTime::operator-()
303*b1cdbd2cSJim Jagielski |*
304*b1cdbd2cSJim Jagielski |* Beschreibung DATETIME.SDW
305*b1cdbd2cSJim Jagielski |* Ersterstellung TH 02.10.96
306*b1cdbd2cSJim Jagielski |* Letzte Aenderung TH 02.10.96
307*b1cdbd2cSJim Jagielski |*
308*b1cdbd2cSJim Jagielski *************************************************************************/
309*b1cdbd2cSJim Jagielski
operator -(const DateTime & rDateTime,const Time & rTime)310*b1cdbd2cSJim Jagielski DateTime operator -( const DateTime& rDateTime, const Time& rTime )
311*b1cdbd2cSJim Jagielski {
312*b1cdbd2cSJim Jagielski DateTime aDateTime( rDateTime );
313*b1cdbd2cSJim Jagielski aDateTime -= rTime;
314*b1cdbd2cSJim Jagielski return aDateTime;
315*b1cdbd2cSJim Jagielski }
316*b1cdbd2cSJim Jagielski
317*b1cdbd2cSJim Jagielski /*************************************************************************
318*b1cdbd2cSJim Jagielski |*
319*b1cdbd2cSJim Jagielski |* DateTime::operator +=( double )
320*b1cdbd2cSJim Jagielski |*
321*b1cdbd2cSJim Jagielski *************************************************************************/
322*b1cdbd2cSJim Jagielski
operator +=(double fTimeInDays)323*b1cdbd2cSJim Jagielski DateTime& DateTime::operator +=( double fTimeInDays )
324*b1cdbd2cSJim Jagielski {
325*b1cdbd2cSJim Jagielski double fInt, fFrac;
326*b1cdbd2cSJim Jagielski if ( fTimeInDays < 0.0 )
327*b1cdbd2cSJim Jagielski {
328*b1cdbd2cSJim Jagielski fInt = ::rtl::math::approxCeil( fTimeInDays );
329*b1cdbd2cSJim Jagielski fFrac = fInt <= fTimeInDays ? 0.0 : fTimeInDays - fInt;
330*b1cdbd2cSJim Jagielski }
331*b1cdbd2cSJim Jagielski else
332*b1cdbd2cSJim Jagielski {
333*b1cdbd2cSJim Jagielski fInt = ::rtl::math::approxFloor( fTimeInDays );
334*b1cdbd2cSJim Jagielski fFrac = fInt >= fTimeInDays ? 0.0 : fTimeInDays - fInt;
335*b1cdbd2cSJim Jagielski }
336*b1cdbd2cSJim Jagielski Date::operator+=( long(fInt) ); // full days
337*b1cdbd2cSJim Jagielski if ( fFrac )
338*b1cdbd2cSJim Jagielski {
339*b1cdbd2cSJim Jagielski Time aTime(0); // default ctor calls system time, we don't need that
340*b1cdbd2cSJim Jagielski fFrac *= 24UL * 60 * 60 * 1000; // time expressed in milliseconds
341*b1cdbd2cSJim Jagielski aTime.MakeTimeFromMS( long(fFrac) ); // method handles negative ms
342*b1cdbd2cSJim Jagielski operator+=( aTime );
343*b1cdbd2cSJim Jagielski }
344*b1cdbd2cSJim Jagielski return *this;
345*b1cdbd2cSJim Jagielski }
346*b1cdbd2cSJim Jagielski
347*b1cdbd2cSJim Jagielski /*************************************************************************
348*b1cdbd2cSJim Jagielski |*
349*b1cdbd2cSJim Jagielski |* DateTime::operator +( double )
350*b1cdbd2cSJim Jagielski |*
351*b1cdbd2cSJim Jagielski *************************************************************************/
352*b1cdbd2cSJim Jagielski
operator +(const DateTime & rDateTime,double fTimeInDays)353*b1cdbd2cSJim Jagielski DateTime operator +( const DateTime& rDateTime, double fTimeInDays )
354*b1cdbd2cSJim Jagielski {
355*b1cdbd2cSJim Jagielski DateTime aDateTime( rDateTime );
356*b1cdbd2cSJim Jagielski aDateTime += fTimeInDays;
357*b1cdbd2cSJim Jagielski return aDateTime;
358*b1cdbd2cSJim Jagielski }
359*b1cdbd2cSJim Jagielski
360*b1cdbd2cSJim Jagielski /*************************************************************************
361*b1cdbd2cSJim Jagielski |*
362*b1cdbd2cSJim Jagielski |* DateTime::operator -()
363*b1cdbd2cSJim Jagielski |*
364*b1cdbd2cSJim Jagielski *************************************************************************/
365*b1cdbd2cSJim Jagielski
operator -(const DateTime & rDateTime1,const DateTime & rDateTime2)366*b1cdbd2cSJim Jagielski double operator -( const DateTime& rDateTime1, const DateTime& rDateTime2 )
367*b1cdbd2cSJim Jagielski {
368*b1cdbd2cSJim Jagielski long nDays = (const Date&) rDateTime1 - (const Date&) rDateTime2;
369*b1cdbd2cSJim Jagielski long nTime = rDateTime1.GetMSFromTime() - rDateTime2.GetMSFromTime();
370*b1cdbd2cSJim Jagielski if ( nTime )
371*b1cdbd2cSJim Jagielski {
372*b1cdbd2cSJim Jagielski double fTime = double(nTime);
373*b1cdbd2cSJim Jagielski fTime /= 24UL * 60 * 60 * 1000; // convert from milliseconds to fraction
374*b1cdbd2cSJim Jagielski if ( nDays < 0 && fTime > 0.0 )
375*b1cdbd2cSJim Jagielski fTime = 1.0 - fTime;
376*b1cdbd2cSJim Jagielski return double(nDays) + fTime;
377*b1cdbd2cSJim Jagielski }
378*b1cdbd2cSJim Jagielski return double(nDays);
379*b1cdbd2cSJim Jagielski }
380*b1cdbd2cSJim Jagielski
GetWin32FileDateTime(sal_uInt32 & rLower,sal_uInt32 & rUpper)381*b1cdbd2cSJim Jagielski void DateTime::GetWin32FileDateTime( sal_uInt32 & rLower, sal_uInt32 & rUpper )
382*b1cdbd2cSJim Jagielski {
383*b1cdbd2cSJim Jagielski const sal_Int64 a100nPerSecond = SAL_CONST_INT64( 10000000 );
384*b1cdbd2cSJim Jagielski const sal_Int64 a100nPerDay = a100nPerSecond * sal_Int64( 60 * 60 * 24 );
385*b1cdbd2cSJim Jagielski
386*b1cdbd2cSJim Jagielski sal_Int64 nYears = GetYear() - 1601;
387*b1cdbd2cSJim Jagielski sal_Int64 nDays =
388*b1cdbd2cSJim Jagielski nYears * 365 +
389*b1cdbd2cSJim Jagielski nYears / 4 - nYears / 100 + nYears / 400 +
390*b1cdbd2cSJim Jagielski GetDayOfYear() - 1;
391*b1cdbd2cSJim Jagielski
392*b1cdbd2cSJim Jagielski sal_Int64 aTime =
393*b1cdbd2cSJim Jagielski a100nPerDay * nDays +
394*b1cdbd2cSJim Jagielski a100nPerSecond * (
395*b1cdbd2cSJim Jagielski sal_Int64( GetSec() ) +
396*b1cdbd2cSJim Jagielski 60 * sal_Int64( GetMin() ) +
397*b1cdbd2cSJim Jagielski 60 * 60 * sal_Int64( GetHour() ) );
398*b1cdbd2cSJim Jagielski
399*b1cdbd2cSJim Jagielski rLower = sal_uInt32( aTime % SAL_CONST_UINT64( 0x100000000 ) );
400*b1cdbd2cSJim Jagielski rUpper = sal_uInt32( aTime / SAL_CONST_UINT64( 0x100000000 ) );
401*b1cdbd2cSJim Jagielski }
402*b1cdbd2cSJim Jagielski
CreateFromWin32FileDateTime(const sal_uInt32 & rLower,const sal_uInt32 & rUpper)403*b1cdbd2cSJim Jagielski DateTime DateTime::CreateFromWin32FileDateTime( const sal_uInt32 & rLower, const sal_uInt32 & rUpper )
404*b1cdbd2cSJim Jagielski {
405*b1cdbd2cSJim Jagielski const sal_Int64 a100nPerSecond = SAL_CONST_INT64( 10000000 );
406*b1cdbd2cSJim Jagielski const sal_Int64 a100nPerDay = a100nPerSecond * sal_Int64( 60 * 60 * 24 );
407*b1cdbd2cSJim Jagielski
408*b1cdbd2cSJim Jagielski sal_Int64 aTime = sal_Int64(
409*b1cdbd2cSJim Jagielski sal_uInt64( rUpper ) * SAL_CONST_UINT64( 0x100000000 ) +
410*b1cdbd2cSJim Jagielski sal_uInt64( rLower ) );
411*b1cdbd2cSJim Jagielski
412*b1cdbd2cSJim Jagielski sal_Int64 nDays = aTime / a100nPerDay;
413*b1cdbd2cSJim Jagielski sal_Int64 nYears =
414*b1cdbd2cSJim Jagielski ( nDays -
415*b1cdbd2cSJim Jagielski ( nDays / ( 4 * 365 ) ) +
416*b1cdbd2cSJim Jagielski ( nDays / ( 100 * 365 ) ) -
417*b1cdbd2cSJim Jagielski ( nDays / ( 400 * 365 ) ) ) / 365;
418*b1cdbd2cSJim Jagielski nDays -= nYears * 365 + nYears / 4 - nYears / 100 + nYears / 400;
419*b1cdbd2cSJim Jagielski
420*b1cdbd2cSJim Jagielski sal_uInt16 nMonths = 0;
421*b1cdbd2cSJim Jagielski for( sal_Int64 nDaysCount = nDays; nDaysCount >= 0; )
422*b1cdbd2cSJim Jagielski {
423*b1cdbd2cSJim Jagielski nDays = nDaysCount;
424*b1cdbd2cSJim Jagielski nMonths ++;
425*b1cdbd2cSJim Jagielski nDaysCount -= Date(
426*b1cdbd2cSJim Jagielski 1, nMonths, sal::static_int_cast< sal_uInt16 >(1601 + nYears) ).
427*b1cdbd2cSJim Jagielski GetDaysInMonth();
428*b1cdbd2cSJim Jagielski }
429*b1cdbd2cSJim Jagielski
430*b1cdbd2cSJim Jagielski Date _aDate(
431*b1cdbd2cSJim Jagielski (sal_uInt16)( nDays + 1 ), nMonths,
432*b1cdbd2cSJim Jagielski sal::static_int_cast< sal_uInt16 >(nYears + 1601) );
433*b1cdbd2cSJim Jagielski Time _aTime( sal_uIntPtr( ( aTime / ( a100nPerSecond * 60 * 60 ) ) % sal_Int64( 24 ) ),
434*b1cdbd2cSJim Jagielski sal_uIntPtr( ( aTime / ( a100nPerSecond * 60 ) ) % sal_Int64( 60 ) ),
435*b1cdbd2cSJim Jagielski sal_uIntPtr( ( aTime / ( a100nPerSecond ) ) % sal_Int64( 60 ) ) );
436*b1cdbd2cSJim Jagielski
437*b1cdbd2cSJim Jagielski return DateTime( _aDate, _aTime );
438*b1cdbd2cSJim Jagielski }
439