1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_tools.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <tools/datetime.hxx> 32*cdf0e10cSrcweir #include <rtl/math.hxx> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir /************************************************************************* 35*cdf0e10cSrcweir |* 36*cdf0e10cSrcweir |* DateTime::IsBetween() 37*cdf0e10cSrcweir |* 38*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 39*cdf0e10cSrcweir |* Ersterstellung TH 18.05.92 40*cdf0e10cSrcweir |* Letzte Aenderung TH 18.05.92 41*cdf0e10cSrcweir |* 42*cdf0e10cSrcweir *************************************************************************/ 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir sal_Bool DateTime::IsBetween( const DateTime& rFrom, 45*cdf0e10cSrcweir const DateTime& rTo ) const 46*cdf0e10cSrcweir { 47*cdf0e10cSrcweir if ( (*this >= rFrom) && (*this <= rTo) ) 48*cdf0e10cSrcweir return sal_True; 49*cdf0e10cSrcweir else 50*cdf0e10cSrcweir return sal_False; 51*cdf0e10cSrcweir } 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir /************************************************************************* 54*cdf0e10cSrcweir |* 55*cdf0e10cSrcweir |* DateTime::operator >() 56*cdf0e10cSrcweir |* 57*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 58*cdf0e10cSrcweir |* Ersterstellung TH 18.05.92 59*cdf0e10cSrcweir |* Letzte Aenderung TH 18.05.92 60*cdf0e10cSrcweir |* 61*cdf0e10cSrcweir *************************************************************************/ 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir sal_Bool DateTime::operator >( const DateTime& rDateTime ) const 64*cdf0e10cSrcweir { 65*cdf0e10cSrcweir if ( (Date::operator>( rDateTime )) || 66*cdf0e10cSrcweir (Date::operator==( rDateTime ) && Time::operator>( rDateTime )) ) 67*cdf0e10cSrcweir return sal_True; 68*cdf0e10cSrcweir else 69*cdf0e10cSrcweir return sal_False; 70*cdf0e10cSrcweir } 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir /************************************************************************* 73*cdf0e10cSrcweir |* 74*cdf0e10cSrcweir |* DateTime::operator <() 75*cdf0e10cSrcweir |* 76*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 77*cdf0e10cSrcweir |* Ersterstellung TH 18.05.92 78*cdf0e10cSrcweir |* Letzte Aenderung TH 18.05.92 79*cdf0e10cSrcweir |* 80*cdf0e10cSrcweir *************************************************************************/ 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir sal_Bool DateTime::operator <( const DateTime& rDateTime ) const 83*cdf0e10cSrcweir { 84*cdf0e10cSrcweir if ( (Date::operator<( rDateTime )) || 85*cdf0e10cSrcweir (Date::operator==( rDateTime ) && Time::operator<( rDateTime )) ) 86*cdf0e10cSrcweir return sal_True; 87*cdf0e10cSrcweir else 88*cdf0e10cSrcweir return sal_False; 89*cdf0e10cSrcweir } 90*cdf0e10cSrcweir 91*cdf0e10cSrcweir /************************************************************************* 92*cdf0e10cSrcweir |* 93*cdf0e10cSrcweir |* DateTime::operator >=() 94*cdf0e10cSrcweir |* 95*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 96*cdf0e10cSrcweir |* Ersterstellung TH 18.05.92 97*cdf0e10cSrcweir |* Letzte Aenderung TH 18.05.92 98*cdf0e10cSrcweir |* 99*cdf0e10cSrcweir *************************************************************************/ 100*cdf0e10cSrcweir 101*cdf0e10cSrcweir sal_Bool DateTime::operator >=( const DateTime& rDateTime ) const 102*cdf0e10cSrcweir { 103*cdf0e10cSrcweir if ( (Date::operator>( rDateTime )) || 104*cdf0e10cSrcweir (Date::operator==( rDateTime ) && Time::operator>=( rDateTime )) ) 105*cdf0e10cSrcweir return sal_True; 106*cdf0e10cSrcweir else 107*cdf0e10cSrcweir return sal_False; 108*cdf0e10cSrcweir } 109*cdf0e10cSrcweir 110*cdf0e10cSrcweir /************************************************************************* 111*cdf0e10cSrcweir |* 112*cdf0e10cSrcweir |* DateTime::operator <=() 113*cdf0e10cSrcweir |* 114*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 115*cdf0e10cSrcweir |* Ersterstellung TH 18.05.92 116*cdf0e10cSrcweir |* Letzte Aenderung TH 18.05.92 117*cdf0e10cSrcweir |* 118*cdf0e10cSrcweir *************************************************************************/ 119*cdf0e10cSrcweir 120*cdf0e10cSrcweir sal_Bool DateTime::operator <=( const DateTime& rDateTime ) const 121*cdf0e10cSrcweir { 122*cdf0e10cSrcweir if ( (Date::operator<( rDateTime )) || 123*cdf0e10cSrcweir (Date::operator==( rDateTime ) && Time::operator<=( rDateTime )) ) 124*cdf0e10cSrcweir return sal_True; 125*cdf0e10cSrcweir else 126*cdf0e10cSrcweir return sal_False; 127*cdf0e10cSrcweir } 128*cdf0e10cSrcweir 129*cdf0e10cSrcweir /************************************************************************* 130*cdf0e10cSrcweir |* 131*cdf0e10cSrcweir |* DateTime::GetSecFromDateTime() 132*cdf0e10cSrcweir |* 133*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 134*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 135*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 136*cdf0e10cSrcweir |* 137*cdf0e10cSrcweir *************************************************************************/ 138*cdf0e10cSrcweir 139*cdf0e10cSrcweir long DateTime::GetSecFromDateTime( const Date& rDate ) const 140*cdf0e10cSrcweir { 141*cdf0e10cSrcweir if ( Date::operator<( rDate ) ) 142*cdf0e10cSrcweir return 0; 143*cdf0e10cSrcweir else 144*cdf0e10cSrcweir { 145*cdf0e10cSrcweir long nSec = Date( *this ) - rDate; 146*cdf0e10cSrcweir nSec *= 24UL*60*60; 147*cdf0e10cSrcweir long nHour = GetHour(); 148*cdf0e10cSrcweir long nMin = GetMin(); 149*cdf0e10cSrcweir nSec += (nHour*3600)+(nMin*60)+GetSec(); 150*cdf0e10cSrcweir return nSec; 151*cdf0e10cSrcweir } 152*cdf0e10cSrcweir } 153*cdf0e10cSrcweir 154*cdf0e10cSrcweir /************************************************************************* 155*cdf0e10cSrcweir |* 156*cdf0e10cSrcweir |* DateTime::GetSecFromDateTime() 157*cdf0e10cSrcweir |* 158*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 159*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 160*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 161*cdf0e10cSrcweir |* 162*cdf0e10cSrcweir *************************************************************************/ 163*cdf0e10cSrcweir 164*cdf0e10cSrcweir void DateTime::MakeDateTimeFromSec( const Date& rDate, sal_uIntPtr nSec ) 165*cdf0e10cSrcweir { 166*cdf0e10cSrcweir long nDays = nSec / (24UL*60*60); 167*cdf0e10cSrcweir ((Date*)this)->operator=( rDate ); 168*cdf0e10cSrcweir nSec -= nDays * (24UL*60*60); 169*cdf0e10cSrcweir sal_uInt16 nMin = (sal_uInt16)(nSec / 60); 170*cdf0e10cSrcweir nSec -= nMin * 60; 171*cdf0e10cSrcweir ((Time*)this)->operator=( Time( 0, nMin, (sal_uInt16)nSec ) ); 172*cdf0e10cSrcweir operator+=( nDays ); 173*cdf0e10cSrcweir } 174*cdf0e10cSrcweir 175*cdf0e10cSrcweir /************************************************************************* 176*cdf0e10cSrcweir |* 177*cdf0e10cSrcweir |* DateTime::operator +=() 178*cdf0e10cSrcweir |* 179*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 180*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 181*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 182*cdf0e10cSrcweir |* 183*cdf0e10cSrcweir *************************************************************************/ 184*cdf0e10cSrcweir 185*cdf0e10cSrcweir DateTime& DateTime::operator +=( const Time& rTime ) 186*cdf0e10cSrcweir { 187*cdf0e10cSrcweir Time aTime = *this; 188*cdf0e10cSrcweir aTime += rTime; 189*cdf0e10cSrcweir sal_uInt16 nHours = aTime.GetHour(); 190*cdf0e10cSrcweir if ( aTime.GetTime() > 0 ) 191*cdf0e10cSrcweir { 192*cdf0e10cSrcweir while ( nHours >= 24 ) 193*cdf0e10cSrcweir { 194*cdf0e10cSrcweir Date::operator++(); 195*cdf0e10cSrcweir nHours -= 24; 196*cdf0e10cSrcweir } 197*cdf0e10cSrcweir aTime.SetHour( nHours ); 198*cdf0e10cSrcweir } 199*cdf0e10cSrcweir else if ( aTime.GetTime() != 0 ) 200*cdf0e10cSrcweir { 201*cdf0e10cSrcweir while ( nHours >= 24 ) 202*cdf0e10cSrcweir { 203*cdf0e10cSrcweir Date::operator--(); 204*cdf0e10cSrcweir nHours -= 24; 205*cdf0e10cSrcweir } 206*cdf0e10cSrcweir Date::operator--(); 207*cdf0e10cSrcweir aTime = Time( 24, 0, 0 )+aTime; 208*cdf0e10cSrcweir } 209*cdf0e10cSrcweir Time::operator=( aTime ); 210*cdf0e10cSrcweir 211*cdf0e10cSrcweir return *this; 212*cdf0e10cSrcweir } 213*cdf0e10cSrcweir 214*cdf0e10cSrcweir /************************************************************************* 215*cdf0e10cSrcweir |* 216*cdf0e10cSrcweir |* DateTime::operator -=() 217*cdf0e10cSrcweir |* 218*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 219*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 220*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 221*cdf0e10cSrcweir |* 222*cdf0e10cSrcweir *************************************************************************/ 223*cdf0e10cSrcweir 224*cdf0e10cSrcweir DateTime& DateTime::operator -=( const Time& rTime ) 225*cdf0e10cSrcweir { 226*cdf0e10cSrcweir Time aTime = *this; 227*cdf0e10cSrcweir aTime -= rTime; 228*cdf0e10cSrcweir sal_uInt16 nHours = aTime.GetHour(); 229*cdf0e10cSrcweir if ( aTime.GetTime() > 0 ) 230*cdf0e10cSrcweir { 231*cdf0e10cSrcweir while ( nHours >= 24 ) 232*cdf0e10cSrcweir { 233*cdf0e10cSrcweir Date::operator++(); 234*cdf0e10cSrcweir nHours -= 24; 235*cdf0e10cSrcweir } 236*cdf0e10cSrcweir aTime.SetHour( nHours ); 237*cdf0e10cSrcweir } 238*cdf0e10cSrcweir else if ( aTime.GetTime() != 0 ) 239*cdf0e10cSrcweir { 240*cdf0e10cSrcweir while ( nHours >= 24 ) 241*cdf0e10cSrcweir { 242*cdf0e10cSrcweir Date::operator--(); 243*cdf0e10cSrcweir nHours -= 24; 244*cdf0e10cSrcweir } 245*cdf0e10cSrcweir Date::operator--(); 246*cdf0e10cSrcweir aTime = Time( 24, 0, 0 )+aTime; 247*cdf0e10cSrcweir } 248*cdf0e10cSrcweir Time::operator=( aTime ); 249*cdf0e10cSrcweir 250*cdf0e10cSrcweir return *this; 251*cdf0e10cSrcweir } 252*cdf0e10cSrcweir 253*cdf0e10cSrcweir /************************************************************************* 254*cdf0e10cSrcweir |* 255*cdf0e10cSrcweir |* DateTime::operator+() 256*cdf0e10cSrcweir |* 257*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 258*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 259*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 260*cdf0e10cSrcweir |* 261*cdf0e10cSrcweir *************************************************************************/ 262*cdf0e10cSrcweir 263*cdf0e10cSrcweir DateTime operator +( const DateTime& rDateTime, long nDays ) 264*cdf0e10cSrcweir { 265*cdf0e10cSrcweir DateTime aDateTime( rDateTime ); 266*cdf0e10cSrcweir aDateTime += nDays; 267*cdf0e10cSrcweir return aDateTime; 268*cdf0e10cSrcweir } 269*cdf0e10cSrcweir 270*cdf0e10cSrcweir /************************************************************************* 271*cdf0e10cSrcweir |* 272*cdf0e10cSrcweir |* DateTime::operator-() 273*cdf0e10cSrcweir |* 274*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 275*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 276*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 277*cdf0e10cSrcweir |* 278*cdf0e10cSrcweir *************************************************************************/ 279*cdf0e10cSrcweir 280*cdf0e10cSrcweir DateTime operator -( const DateTime& rDateTime, long nDays ) 281*cdf0e10cSrcweir { 282*cdf0e10cSrcweir DateTime aDateTime( rDateTime ); 283*cdf0e10cSrcweir aDateTime -= nDays; 284*cdf0e10cSrcweir return aDateTime; 285*cdf0e10cSrcweir } 286*cdf0e10cSrcweir 287*cdf0e10cSrcweir /************************************************************************* 288*cdf0e10cSrcweir |* 289*cdf0e10cSrcweir |* DateTime::operator+() 290*cdf0e10cSrcweir |* 291*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 292*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 293*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 294*cdf0e10cSrcweir |* 295*cdf0e10cSrcweir *************************************************************************/ 296*cdf0e10cSrcweir 297*cdf0e10cSrcweir DateTime operator +( const DateTime& rDateTime, const Time& rTime ) 298*cdf0e10cSrcweir { 299*cdf0e10cSrcweir DateTime aDateTime( rDateTime ); 300*cdf0e10cSrcweir aDateTime += rTime; 301*cdf0e10cSrcweir return aDateTime; 302*cdf0e10cSrcweir } 303*cdf0e10cSrcweir 304*cdf0e10cSrcweir /************************************************************************* 305*cdf0e10cSrcweir |* 306*cdf0e10cSrcweir |* DateTime::operator-() 307*cdf0e10cSrcweir |* 308*cdf0e10cSrcweir |* Beschreibung DATETIME.SDW 309*cdf0e10cSrcweir |* Ersterstellung TH 02.10.96 310*cdf0e10cSrcweir |* Letzte Aenderung TH 02.10.96 311*cdf0e10cSrcweir |* 312*cdf0e10cSrcweir *************************************************************************/ 313*cdf0e10cSrcweir 314*cdf0e10cSrcweir DateTime operator -( const DateTime& rDateTime, const Time& rTime ) 315*cdf0e10cSrcweir { 316*cdf0e10cSrcweir DateTime aDateTime( rDateTime ); 317*cdf0e10cSrcweir aDateTime -= rTime; 318*cdf0e10cSrcweir return aDateTime; 319*cdf0e10cSrcweir } 320*cdf0e10cSrcweir 321*cdf0e10cSrcweir /************************************************************************* 322*cdf0e10cSrcweir |* 323*cdf0e10cSrcweir |* DateTime::operator +=( double ) 324*cdf0e10cSrcweir |* 325*cdf0e10cSrcweir *************************************************************************/ 326*cdf0e10cSrcweir 327*cdf0e10cSrcweir DateTime& DateTime::operator +=( double fTimeInDays ) 328*cdf0e10cSrcweir { 329*cdf0e10cSrcweir double fInt, fFrac; 330*cdf0e10cSrcweir if ( fTimeInDays < 0.0 ) 331*cdf0e10cSrcweir { 332*cdf0e10cSrcweir fInt = ::rtl::math::approxCeil( fTimeInDays ); 333*cdf0e10cSrcweir fFrac = fInt <= fTimeInDays ? 0.0 : fTimeInDays - fInt; 334*cdf0e10cSrcweir } 335*cdf0e10cSrcweir else 336*cdf0e10cSrcweir { 337*cdf0e10cSrcweir fInt = ::rtl::math::approxFloor( fTimeInDays ); 338*cdf0e10cSrcweir fFrac = fInt >= fTimeInDays ? 0.0 : fTimeInDays - fInt; 339*cdf0e10cSrcweir } 340*cdf0e10cSrcweir Date::operator+=( long(fInt) ); // full days 341*cdf0e10cSrcweir if ( fFrac ) 342*cdf0e10cSrcweir { 343*cdf0e10cSrcweir Time aTime(0); // default ctor calls system time, we don't need that 344*cdf0e10cSrcweir fFrac *= 24UL * 60 * 60 * 1000; // time expressed in milliseconds 345*cdf0e10cSrcweir aTime.MakeTimeFromMS( long(fFrac) ); // method handles negative ms 346*cdf0e10cSrcweir operator+=( aTime ); 347*cdf0e10cSrcweir } 348*cdf0e10cSrcweir return *this; 349*cdf0e10cSrcweir } 350*cdf0e10cSrcweir 351*cdf0e10cSrcweir /************************************************************************* 352*cdf0e10cSrcweir |* 353*cdf0e10cSrcweir |* DateTime::operator +( double ) 354*cdf0e10cSrcweir |* 355*cdf0e10cSrcweir *************************************************************************/ 356*cdf0e10cSrcweir 357*cdf0e10cSrcweir DateTime operator +( const DateTime& rDateTime, double fTimeInDays ) 358*cdf0e10cSrcweir { 359*cdf0e10cSrcweir DateTime aDateTime( rDateTime ); 360*cdf0e10cSrcweir aDateTime += fTimeInDays; 361*cdf0e10cSrcweir return aDateTime; 362*cdf0e10cSrcweir } 363*cdf0e10cSrcweir 364*cdf0e10cSrcweir /************************************************************************* 365*cdf0e10cSrcweir |* 366*cdf0e10cSrcweir |* DateTime::operator -() 367*cdf0e10cSrcweir |* 368*cdf0e10cSrcweir *************************************************************************/ 369*cdf0e10cSrcweir 370*cdf0e10cSrcweir double operator -( const DateTime& rDateTime1, const DateTime& rDateTime2 ) 371*cdf0e10cSrcweir { 372*cdf0e10cSrcweir long nDays = (const Date&) rDateTime1 - (const Date&) rDateTime2; 373*cdf0e10cSrcweir long nTime = rDateTime1.GetMSFromTime() - rDateTime2.GetMSFromTime(); 374*cdf0e10cSrcweir if ( nTime ) 375*cdf0e10cSrcweir { 376*cdf0e10cSrcweir double fTime = double(nTime); 377*cdf0e10cSrcweir fTime /= 24UL * 60 * 60 * 1000; // convert from milliseconds to fraction 378*cdf0e10cSrcweir if ( nDays < 0 && fTime > 0.0 ) 379*cdf0e10cSrcweir fTime = 1.0 - fTime; 380*cdf0e10cSrcweir return double(nDays) + fTime; 381*cdf0e10cSrcweir } 382*cdf0e10cSrcweir return double(nDays); 383*cdf0e10cSrcweir } 384*cdf0e10cSrcweir 385*cdf0e10cSrcweir void DateTime::GetWin32FileDateTime( sal_uInt32 & rLower, sal_uInt32 & rUpper ) 386*cdf0e10cSrcweir { 387*cdf0e10cSrcweir const sal_Int64 a100nPerSecond = SAL_CONST_INT64( 10000000 ); 388*cdf0e10cSrcweir const sal_Int64 a100nPerDay = a100nPerSecond * sal_Int64( 60 * 60 * 24 ); 389*cdf0e10cSrcweir 390*cdf0e10cSrcweir sal_Int64 nYears = GetYear() - 1601; 391*cdf0e10cSrcweir sal_Int64 nDays = 392*cdf0e10cSrcweir nYears * 365 + 393*cdf0e10cSrcweir nYears / 4 - nYears / 100 + nYears / 400 + 394*cdf0e10cSrcweir GetDayOfYear() - 1; 395*cdf0e10cSrcweir 396*cdf0e10cSrcweir sal_Int64 aTime = 397*cdf0e10cSrcweir a100nPerDay * nDays + 398*cdf0e10cSrcweir a100nPerSecond * ( 399*cdf0e10cSrcweir sal_Int64( GetSec() ) + 400*cdf0e10cSrcweir 60 * sal_Int64( GetMin() ) + 401*cdf0e10cSrcweir 60 * 60 * sal_Int64( GetHour() ) ); 402*cdf0e10cSrcweir 403*cdf0e10cSrcweir rLower = sal_uInt32( aTime % SAL_CONST_UINT64( 0x100000000 ) ); 404*cdf0e10cSrcweir rUpper = sal_uInt32( aTime / SAL_CONST_UINT64( 0x100000000 ) ); 405*cdf0e10cSrcweir } 406*cdf0e10cSrcweir 407*cdf0e10cSrcweir DateTime DateTime::CreateFromWin32FileDateTime( const sal_uInt32 & rLower, const sal_uInt32 & rUpper ) 408*cdf0e10cSrcweir { 409*cdf0e10cSrcweir const sal_Int64 a100nPerSecond = SAL_CONST_INT64( 10000000 ); 410*cdf0e10cSrcweir const sal_Int64 a100nPerDay = a100nPerSecond * sal_Int64( 60 * 60 * 24 ); 411*cdf0e10cSrcweir 412*cdf0e10cSrcweir sal_Int64 aTime = sal_Int64( 413*cdf0e10cSrcweir sal_uInt64( rUpper ) * SAL_CONST_UINT64( 0x100000000 ) + 414*cdf0e10cSrcweir sal_uInt64( rLower ) ); 415*cdf0e10cSrcweir 416*cdf0e10cSrcweir sal_Int64 nDays = aTime / a100nPerDay; 417*cdf0e10cSrcweir sal_Int64 nYears = 418*cdf0e10cSrcweir ( nDays - 419*cdf0e10cSrcweir ( nDays / ( 4 * 365 ) ) + 420*cdf0e10cSrcweir ( nDays / ( 100 * 365 ) ) - 421*cdf0e10cSrcweir ( nDays / ( 400 * 365 ) ) ) / 365; 422*cdf0e10cSrcweir nDays -= nYears * 365 + nYears / 4 - nYears / 100 + nYears / 400; 423*cdf0e10cSrcweir 424*cdf0e10cSrcweir sal_uInt16 nMonths = 0; 425*cdf0e10cSrcweir for( sal_Int64 nDaysCount = nDays; nDaysCount >= 0; ) 426*cdf0e10cSrcweir { 427*cdf0e10cSrcweir nDays = nDaysCount; 428*cdf0e10cSrcweir nMonths ++; 429*cdf0e10cSrcweir nDaysCount -= Date( 430*cdf0e10cSrcweir 1, nMonths, sal::static_int_cast< sal_uInt16 >(1601 + nYears) ). 431*cdf0e10cSrcweir GetDaysInMonth(); 432*cdf0e10cSrcweir } 433*cdf0e10cSrcweir 434*cdf0e10cSrcweir Date _aDate( 435*cdf0e10cSrcweir (sal_uInt16)( nDays + 1 ), nMonths, 436*cdf0e10cSrcweir sal::static_int_cast< sal_uInt16 >(nYears + 1601) ); 437*cdf0e10cSrcweir Time _aTime( sal_uIntPtr( ( aTime / ( a100nPerSecond * 60 * 60 ) ) % sal_Int64( 24 ) ), 438*cdf0e10cSrcweir sal_uIntPtr( ( aTime / ( a100nPerSecond * 60 ) ) % sal_Int64( 60 ) ), 439*cdf0e10cSrcweir sal_uIntPtr( ( aTime / ( a100nPerSecond ) ) % sal_Int64( 60 ) ) ); 440*cdf0e10cSrcweir 441*cdf0e10cSrcweir return DateTime( _aDate, _aTime ); 442*cdf0e10cSrcweir } 443