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|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: datetime.cxx,v $
* $Revision: 1.10 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
#include <tools/datetime.hxx>
#include <rtl/math.hxx>
/*************************************************************************
|*
|* DateTime::IsBetween()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 18.05.92
|* Letzte Aenderung TH 18.05.92
|*
*************************************************************************/
BOOL DateTime::IsBetween( const DateTime& rFrom,
const DateTime& rTo ) const
{
if ( (*this >= rFrom) && (*this <= rTo) )
return TRUE;
else
return FALSE;
}
/*************************************************************************
|*
|* DateTime::operator >()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 18.05.92
|* Letzte Aenderung TH 18.05.92
|*
*************************************************************************/
BOOL DateTime::operator >( const DateTime& rDateTime ) const
{
if ( (Date::operator>( rDateTime )) ||
(Date::operator==( rDateTime ) && Time::operator>( rDateTime )) )
return TRUE;
else
return FALSE;
}
/*************************************************************************
|*
|* DateTime::operator <()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 18.05.92
|* Letzte Aenderung TH 18.05.92
|*
*************************************************************************/
BOOL DateTime::operator <( const DateTime& rDateTime ) const
{
if ( (Date::operator<( rDateTime )) ||
(Date::operator==( rDateTime ) && Time::operator<( rDateTime )) )
return TRUE;
else
return FALSE;
}
/*************************************************************************
|*
|* DateTime::operator >=()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 18.05.92
|* Letzte Aenderung TH 18.05.92
|*
*************************************************************************/
BOOL DateTime::operator >=( const DateTime& rDateTime ) const
{
if ( (Date::operator>( rDateTime )) ||
(Date::operator==( rDateTime ) && Time::operator>=( rDateTime )) )
return TRUE;
else
return FALSE;
}
/*************************************************************************
|*
|* DateTime::operator <=()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 18.05.92
|* Letzte Aenderung TH 18.05.92
|*
*************************************************************************/
BOOL DateTime::operator <=( const DateTime& rDateTime ) const
{
if ( (Date::operator<( rDateTime )) ||
(Date::operator==( rDateTime ) && Time::operator<=( rDateTime )) )
return TRUE;
else
return FALSE;
}
/*************************************************************************
|*
|* DateTime::GetSecFromDateTime()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
long DateTime::GetSecFromDateTime( const Date& rDate ) const
{
if ( Date::operator<( rDate ) )
return 0;
else
{
long nSec = Date( *this ) - rDate;
nSec *= 24UL*60*60;
long nHour = GetHour();
long nMin = GetMin();
nSec += (nHour*3600)+(nMin*60)+GetSec();
return nSec;
}
}
/*************************************************************************
|*
|* DateTime::GetSecFromDateTime()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
void DateTime::MakeDateTimeFromSec( const Date& rDate, ULONG nSec )
{
long nDays = nSec / (24UL*60*60);
((Date*)this)->operator=( rDate );
nSec -= nDays * (24UL*60*60);
USHORT nMin = (USHORT)(nSec / 60);
nSec -= nMin * 60;
((Time*)this)->operator=( Time( 0, nMin, (USHORT)nSec ) );
operator+=( nDays );
}
/*************************************************************************
|*
|* DateTime::operator +=()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
DateTime& DateTime::operator +=( const Time& rTime )
{
Time aTime = *this;
aTime += rTime;
USHORT nHours = aTime.GetHour();
if ( aTime.GetTime() > 0 )
{
while ( nHours >= 24 )
{
Date::operator++();
nHours -= 24;
}
aTime.SetHour( nHours );
}
else if ( aTime.GetTime() != 0 )
{
while ( nHours >= 24 )
{
Date::operator--();
nHours -= 24;
}
Date::operator--();
aTime = Time( 24, 0, 0 )+aTime;
}
Time::operator=( aTime );
return *this;
}
/*************************************************************************
|*
|* DateTime::operator -=()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
DateTime& DateTime::operator -=( const Time& rTime )
{
Time aTime = *this;
aTime -= rTime;
USHORT nHours = aTime.GetHour();
if ( aTime.GetTime() > 0 )
{
while ( nHours >= 24 )
{
Date::operator++();
nHours -= 24;
}
aTime.SetHour( nHours );
}
else if ( aTime.GetTime() != 0 )
{
while ( nHours >= 24 )
{
Date::operator--();
nHours -= 24;
}
Date::operator--();
aTime = Time( 24, 0, 0 )+aTime;
}
Time::operator=( aTime );
return *this;
}
/*************************************************************************
|*
|* DateTime::operator+()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
DateTime operator +( const DateTime& rDateTime, long nDays )
{
DateTime aDateTime( rDateTime );
aDateTime += nDays;
return aDateTime;
}
/*************************************************************************
|*
|* DateTime::operator-()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
DateTime operator -( const DateTime& rDateTime, long nDays )
{
DateTime aDateTime( rDateTime );
aDateTime -= nDays;
return aDateTime;
}
/*************************************************************************
|*
|* DateTime::operator+()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
DateTime operator +( const DateTime& rDateTime, const Time& rTime )
{
DateTime aDateTime( rDateTime );
aDateTime += rTime;
return aDateTime;
}
/*************************************************************************
|*
|* DateTime::operator-()
|*
|* Beschreibung DATETIME.SDW
|* Ersterstellung TH 02.10.96
|* Letzte Aenderung TH 02.10.96
|*
*************************************************************************/
DateTime operator -( const DateTime& rDateTime, const Time& rTime )
{
DateTime aDateTime( rDateTime );
aDateTime -= rTime;
return aDateTime;
}
/*************************************************************************
|*
|* DateTime::operator +=( double )
|*
*************************************************************************/
DateTime& DateTime::operator +=( double fTimeInDays )
{
double fInt, fFrac;
if ( fTimeInDays < 0.0 )
{
fInt = ::rtl::math::approxCeil( fTimeInDays );
fFrac = fInt <= fTimeInDays ? 0.0 : fTimeInDays - fInt;
}
else
{
fInt = ::rtl::math::approxFloor( fTimeInDays );
fFrac = fInt >= fTimeInDays ? 0.0 : fTimeInDays - fInt;
}
Date::operator+=( long(fInt) ); // full days
if ( fFrac )
{
Time aTime(0); // default ctor calls system time, we don't need that
fFrac *= 24UL * 60 * 60 * 1000; // time expressed in milliseconds
aTime.MakeTimeFromMS( long(fFrac) ); // method handles negative ms
operator+=( aTime );
}
return *this;
}
/*************************************************************************
|*
|* DateTime::operator +( double )
|*
*************************************************************************/
DateTime operator +( const DateTime& rDateTime, double fTimeInDays )
{
DateTime aDateTime( rDateTime );
aDateTime += fTimeInDays;
return aDateTime;
}
/*************************************************************************
|*
|* DateTime::operator -()
|*
*************************************************************************/
double operator -( const DateTime& rDateTime1, const DateTime& rDateTime2 )
{
long nDays = (const Date&) rDateTime1 - (const Date&) rDateTime2;
long nTime = rDateTime1.GetMSFromTime() - rDateTime2.GetMSFromTime();
if ( nTime )
{
double fTime = double(nTime);
fTime /= 24UL * 60 * 60 * 1000; // convert from milliseconds to fraction
if ( nDays < 0 && fTime > 0.0 )
fTime = 1.0 - fTime;
return double(nDays) + fTime;
}
return double(nDays);
}
void DateTime::GetWin32FileDateTime( sal_uInt32 & rLower, sal_uInt32 & rUpper )
{
const sal_Int64 a100nPerSecond = SAL_CONST_INT64( 10000000 );
const sal_Int64 a100nPerDay = a100nPerSecond * sal_Int64( 60 * 60 * 24 );
sal_Int64 nYears = GetYear() - 1601;
sal_Int64 nDays =
nYears * 365 +
nYears / 4 - nYears / 100 + nYears / 400 +
GetDayOfYear() - 1;
sal_Int64 aTime =
a100nPerDay * nDays +
a100nPerSecond * (
sal_Int64( GetSec() ) +
60 * sal_Int64( GetMin() ) +
60 * 60 * sal_Int64( GetHour() ) );
rLower = sal_uInt32( aTime % SAL_CONST_UINT64( 0x100000000 ) );
rUpper = sal_uInt32( aTime / SAL_CONST_UINT64( 0x100000000 ) );
}
DateTime DateTime::CreateFromWin32FileDateTime( const sal_uInt32 & rLower, const sal_uInt32 & rUpper )
{
const sal_Int64 a100nPerSecond = SAL_CONST_INT64( 10000000 );
const sal_Int64 a100nPerDay = a100nPerSecond * sal_Int64( 60 * 60 * 24 );
sal_Int64 aTime = sal_Int64(
sal_uInt64( rUpper ) * SAL_CONST_UINT64( 0x100000000 ) +
sal_uInt64( rLower ) );
sal_Int64 nDays = aTime / a100nPerDay;
sal_Int64 nYears =
( nDays -
( nDays / ( 4 * 365 ) ) +
( nDays / ( 100 * 365 ) ) -
( nDays / ( 400 * 365 ) ) ) / 365;
nDays -= nYears * 365 + nYears / 4 - nYears / 100 + nYears / 400;
USHORT nMonths = 0;
for( sal_Int64 nDaysCount = nDays; nDaysCount >= 0; )
{
nDays = nDaysCount;
nMonths ++;
nDaysCount -= Date(
1, nMonths, sal::static_int_cast< USHORT >(1601 + nYears) ).
GetDaysInMonth();
}
Date _aDate(
(USHORT)( nDays + 1 ), nMonths,
sal::static_int_cast< USHORT >(nYears + 1601) );
Time _aTime( ULONG( ( aTime / ( a100nPerSecond * 60 * 60 ) ) % sal_Int64( 24 ) ),
ULONG( ( aTime / ( a100nPerSecond * 60 ) ) % sal_Int64( 60 ) ),
ULONG( ( aTime / ( a100nPerSecond ) ) % sal_Int64( 60 ) ) );
return DateTime( _aDate, _aTime );
}
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