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interpr2.cxx
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interpr2.cxx
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/* -*- 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 .
*/
#include "interpre.hxx"
#include <comphelper/string.hxx>
#include <sfx2/linkmgr.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/objsh.hxx>
#include <svl/stritem.hxx>
#include <svl/zforlist.hxx>
#include <svl/sharedstringpool.hxx>
#include <sal/macros.h>
#include <boost/math/special_functions/log1p.hpp>
#include "attrib.hxx"
#include "sc.hrc"
#include "ddelink.hxx"
#include "scmatrix.hxx"
#include "compiler.hxx"
#include "formulacell.hxx"
#include "document.hxx"
#include "dociter.hxx"
#include "docoptio.hxx"
#include "unitconv.hxx"
#include "globstr.hrc"
#include "hints.hxx"
#include "dpobject.hxx"
#include "postit.hxx"
#include "tokenarray.hxx"
#include "globalnames.hxx"
#include "stlsheet.hxx"
#include "dpcache.hxx"
#include <com/sun/star/sheet/DataPilotFieldFilter.hpp>
#include <limits>
#include <string.h>
#include <math.h>
using ::std::vector;
using namespace com::sun::star;
using namespace formula;
#define SCdEpsilon 1.0E-7
// Date and Time
double ScInterpreter::GetDateSerial( sal_Int16 nYear, sal_Int16 nMonth, sal_Int16 nDay,
bool bStrict )
{
if ( nYear < 100 && !bStrict )
nYear = pFormatter->ExpandTwoDigitYear( nYear );
// Do not use a default Date ctor here because it asks system time with a
// performance penalty.
sal_Int16 nY, nM, nD;
if (bStrict)
{
nY = nYear;
nM = nMonth;
nD = nDay;
}
else
{
if (nMonth > 0)
{
nY = nYear + (nMonth-1) / 12;
nM = ((nMonth-1) % 12) + 1;
}
else
{
nY = nYear + (nMonth-12) / 12;
nM = 12 - (-nMonth) % 12;
}
nD = 1;
}
Date aDate( nD, nM, nY);
if (!bStrict)
aDate += nDay - 1;
if (aDate.IsValidAndGregorian())
return (double) (aDate - *(pFormatter->GetNullDate()));
else
{
SetError(FormulaError::NoValue);
return 0;
}
}
void ScInterpreter::ScGetActDate()
{
nFuncFmtType = css::util::NumberFormat::DATE;
Date aActDate( Date::SYSTEM );
long nDiff = aActDate - *(pFormatter->GetNullDate());
PushDouble((double) nDiff);
}
void ScInterpreter::ScGetActTime()
{
nFuncFmtType = css::util::NumberFormat::DATETIME;
Date aActDate( Date::SYSTEM );
long nDiff = aActDate - *(pFormatter->GetNullDate());
tools::Time aActTime( tools::Time::SYSTEM );
double nTime = aActTime.GetHour() / static_cast<double>(::tools::Time::hourPerDay) +
aActTime.GetMin() / static_cast<double>(::tools::Time::minutePerDay) +
aActTime.GetSec() / static_cast<double>(::tools::Time::secondPerDay) +
aActTime.GetNanoSec() / static_cast<double>(::tools::Time::nanoSecPerDay);
PushDouble( (double) nDiff + nTime );
}
void ScInterpreter::ScGetYear()
{
Date aDate = *(pFormatter->GetNullDate());
aDate += (long) GetInt32();
PushDouble( (double) aDate.GetYear() );
}
void ScInterpreter::ScGetMonth()
{
Date aDate = *(pFormatter->GetNullDate());
aDate += (long) GetInt32();
PushDouble( (double) aDate.GetMonth() );
}
void ScInterpreter::ScGetDay()
{
Date aDate = *(pFormatter->GetNullDate());
aDate += (long) GetInt32();
PushDouble((double) aDate.GetDay());
}
void ScInterpreter::ScGetMin()
{
double fTime = GetDouble();
fTime -= ::rtl::math::approxFloor(fTime); // Datumsanteil weg
long nVal = (long)::rtl::math::approxFloor(fTime*DATE_TIME_FACTOR+0.5) % ::tools::Time::secondPerHour;
PushDouble( (double) (nVal / ::tools::Time::secondPerMinute) );
}
void ScInterpreter::ScGetSec()
{
double fTime = GetDouble();
fTime -= ::rtl::math::approxFloor(fTime); // Datumsanteil weg
long nVal = (long)::rtl::math::approxFloor(fTime*DATE_TIME_FACTOR+0.5) % ::tools::Time::secondPerMinute;
PushDouble( (double) nVal );
}
void ScInterpreter::ScGetHour()
{
double fTime = GetDouble();
fTime -= ::rtl::math::approxFloor(fTime); // Datumsanteil weg
long nVal = (long)::rtl::math::approxFloor(fTime*DATE_TIME_FACTOR+0.5) / ::tools::Time::secondPerHour;
PushDouble((double) nVal);
}
void ScInterpreter::ScGetDateValue()
{
OUString aInputString = GetString().getString();
sal_uInt32 nFIndex = 0; // damit default Land/Spr.
double fVal;
if (pFormatter->IsNumberFormat(aInputString, nFIndex, fVal))
{
short eType = pFormatter->GetType(nFIndex);
if (eType == css::util::NumberFormat::DATE || eType == css::util::NumberFormat::DATETIME)
PushDouble(::rtl::math::approxFloor(fVal));
else
PushIllegalArgument();
}
else
PushIllegalArgument();
}
void ScInterpreter::ScGetDayOfWeek()
{
sal_uInt8 nParamCount = GetByte();
if ( MustHaveParamCount( nParamCount, 1, 2 ) )
{
sal_Int16 nFlag;
if (nParamCount == 2)
nFlag = GetInt16();
else
nFlag = 1;
Date aDate = *(pFormatter->GetNullDate());
aDate += (long) GetInt32();
int nVal = (int) aDate.GetDayOfWeek(); // MONDAY = 0
switch (nFlag)
{
case 1: // Sunday = 1
if (nVal == 6)
nVal = 1;
else
nVal += 2;
break;
case 2: // Monday = 1
nVal += 1;
break;
case 3: // Monday = 0
; // nothing
break;
case 11: // Monday = 1
case 12: // Tuesday = 1
case 13: // Wednesday = 1
case 14: // Thursday = 1
case 15: // Friday = 1
case 16: // Saturday = 1
case 17: // Sunday = 1
if (nVal < nFlag - 11) // x = nFlag - 11 = 0,1,2,3,4,5,6
nVal += 19 - nFlag; // nVal += (8 - (nFlag - 11) = 8 - x = 8,7,6,5,4,3,2)
else
nVal -= nFlag - 12; // nVal -= ((nFlag - 11) - 1 = x - 1 = -1,0,1,2,3,4,5)
break;
default:
SetError( FormulaError::IllegalArgument);
}
PushInt( nVal );
}
}
void ScInterpreter::ScWeeknumOOo()
{
if ( MustHaveParamCount( GetByte(), 2 ) )
{
sal_Int16 nFlag = GetInt16();
Date aDate = *(pFormatter->GetNullDate());
aDate += (long) GetInt32();
PushInt( (int) aDate.GetWeekOfYear( nFlag == 1 ? SUNDAY : MONDAY ));
}
}
void ScInterpreter::ScGetWeekOfYear()
{
sal_uInt8 nParamCount = GetByte();
if ( MustHaveParamCount( nParamCount, 1, 2 ) )
{
sal_Int16 nFlag;
if (nParamCount == 1)
nFlag = 1;
else
nFlag = GetInt16();
Date aDate = *(pFormatter->GetNullDate());
aDate += (long) GetInt32();
sal_Int32 nMinimumNumberOfDaysInWeek;
DayOfWeek eFirstDayOfWeek;
switch ( nFlag )
{
case 1 :
eFirstDayOfWeek = SUNDAY;
nMinimumNumberOfDaysInWeek = 1;
break;
case 2 :
eFirstDayOfWeek = MONDAY;
nMinimumNumberOfDaysInWeek = 1;
break;
case 11 :
case 12 :
case 13 :
case 14 :
case 15 :
case 16 :
case 17 :
eFirstDayOfWeek = static_cast<DayOfWeek>( nFlag - 11 ); // MONDAY := 0
nMinimumNumberOfDaysInWeek = 1; //the week containing January 1 is week 1
break;
case 21 :
case 150 :
// ISO 8601
eFirstDayOfWeek = MONDAY;
nMinimumNumberOfDaysInWeek = 4;
break;
default :
PushIllegalArgument();
return;
}
PushInt( (int) aDate.GetWeekOfYear( eFirstDayOfWeek, nMinimumNumberOfDaysInWeek ) );
}
}
void ScInterpreter::ScGetIsoWeekOfYear()
{
if ( MustHaveParamCount( GetByte(), 1 ) )
{
Date aDate = *(pFormatter->GetNullDate());
aDate += (long) GetInt32();
PushInt( (int) aDate.GetWeekOfYear() );
}
}
void ScInterpreter::ScEasterSunday()
{
nFuncFmtType = css::util::NumberFormat::DATE;
if ( MustHaveParamCount( GetByte(), 1 ) )
{
sal_Int16 nDay, nMonth, nYear;
nYear = GetInt16();
if (nGlobalError != FormulaError::NONE)
{
PushError( nGlobalError);
return;
}
if ( nYear < 100 )
nYear = pFormatter->ExpandTwoDigitYear( nYear );
if (nYear < 1583 || nYear > 9956)
{
// Valid Gregorian and maximum year constraints not met.
PushIllegalArgument();
return;
}
// don't worry, be happy :)
int B,C,D,E,F,G,H,I,K,L,M,N,O;
N = nYear % 19;
B = int(nYear / 100);
C = nYear % 100;
D = int(B / 4);
E = B % 4;
F = int((B + 8) / 25);
G = int((B - F + 1) / 3);
H = (19 * N + B - D - G + 15) % 30;
I = int(C / 4);
K = C % 4;
L = (32 + 2 * E + 2 * I - H - K) % 7;
M = int((N + 11 * H + 22 * L) / 451);
O = H + L - 7 * M + 114;
nDay = sal::static_int_cast<sal_Int16>( O % 31 + 1 );
nMonth = sal::static_int_cast<sal_Int16>( int(O / 31) );
PushDouble( GetDateSerial( nYear, nMonth, nDay, true ) );
}
}
FormulaError ScInterpreter::GetWeekendAndHolidayMasks(
const sal_uInt8 nParamCount, const sal_uInt32 nNullDate, vector< double >& rSortArray,
bool bWeekendMask[ 7 ] )
{
if ( nParamCount == 4 )
{
vector< double > nWeekendDays;
GetNumberSequenceArray( 1, nWeekendDays, false );
if ( nGlobalError != FormulaError::NONE )
return nGlobalError;
else
{
if ( nWeekendDays.size() != 7 )
return FormulaError::IllegalArgument;
// Weekend days defined by string, Sunday...Saturday
for ( int i = 0; i < 7; i++ )
bWeekendMask[ i ] = ( bool ) nWeekendDays[ ( i == 6 ? 0 : i + 1 ) ];
}
}
else
{
for ( int i = 0; i < 7; i++ )
bWeekendMask[ i] = false;
bWeekendMask[ SATURDAY ] = true;
bWeekendMask[ SUNDAY ] = true;
}
if ( nParamCount >= 3 )
{
GetSortArray( 1, rSortArray, nullptr, true, true );
size_t nMax = rSortArray.size();
for ( size_t i = 0; i < nMax; i++ )
rSortArray.at( i ) = ::rtl::math::approxFloor( rSortArray.at( i ) ) + nNullDate;
}
return nGlobalError;
}
FormulaError ScInterpreter::GetWeekendAndHolidayMasks_MS(
const sal_uInt8 nParamCount, const sal_uInt32 nNullDate, vector< double >& rSortArray,
bool bWeekendMask[ 7 ], bool bWorkdayFunction )
{
FormulaError nErr = FormulaError::NONE;
OUString aWeekendDays;
if ( nParamCount == 4 )
{
GetSortArray( 1, rSortArray, nullptr, true, true );
size_t nMax = rSortArray.size();
for ( size_t i = 0; i < nMax; i++ )
rSortArray.at( i ) = ::rtl::math::approxFloor( rSortArray.at( i ) ) + nNullDate;
}
if ( nParamCount >= 3 )
{
if ( IsMissing() )
Pop();
else
{
switch ( GetStackType() )
{
case svDoubleRef :
case svExternalDoubleRef :
return FormulaError::NoValue;
break;
default :
{
double fDouble;
svl::SharedString aSharedString;
bool bDouble = GetDoubleOrString( fDouble, aSharedString);
if ( bDouble )
{
if ( fDouble >= 1.0 && fDouble <= 17 )
aWeekendDays = OUString::number( fDouble );
else
return FormulaError::NoValue;
}
else
{
if ( aSharedString.isEmpty() || aSharedString.getLength() != 7 ||
( bWorkdayFunction && aSharedString.getString() == "1111111" ) )
return FormulaError::NoValue;
else
aWeekendDays = aSharedString.getString();
}
}
break;
}
}
}
for ( int i = 0; i < 7; i++ )
bWeekendMask[ i] = false;
if ( aWeekendDays.isEmpty() )
{
bWeekendMask[ SATURDAY ] = true;
bWeekendMask[ SUNDAY ] = true;
}
else
{
switch ( aWeekendDays.getLength() )
{
case 1 :
// Weekend days defined by code
switch ( aWeekendDays[ 0 ] )
{
case '1' : bWeekendMask[ SATURDAY ] = true; bWeekendMask[ SUNDAY ] = true; break;
case '2' : bWeekendMask[ SUNDAY ] = true; bWeekendMask[ MONDAY ] = true; break;
case '3' : bWeekendMask[ MONDAY ] = true; bWeekendMask[ TUESDAY ] = true; break;
case '4' : bWeekendMask[ TUESDAY ] = true; bWeekendMask[ WEDNESDAY ] = true; break;
case '5' : bWeekendMask[ WEDNESDAY ] = true; bWeekendMask[ THURSDAY ] = true; break;
case '6' : bWeekendMask[ THURSDAY ] = true; bWeekendMask[ FRIDAY ] = true; break;
case '7' : bWeekendMask[ FRIDAY ] = true; bWeekendMask[ SATURDAY ] = true; break;
default : nErr = FormulaError::IllegalArgument; break;
}
break;
case 2 :
// Weekend day defined by code
if ( aWeekendDays[ 0 ] == '1' )
{
switch ( aWeekendDays[ 1 ] )
{
case '1' : bWeekendMask[ SUNDAY ] = true; break;
case '2' : bWeekendMask[ MONDAY ] = true; break;
case '3' : bWeekendMask[ TUESDAY ] = true; break;
case '4' : bWeekendMask[ WEDNESDAY ] = true; break;
case '5' : bWeekendMask[ THURSDAY ] = true; break;
case '6' : bWeekendMask[ FRIDAY ] = true; break;
case '7' : bWeekendMask[ SATURDAY ] = true; break;
default : nErr = FormulaError::IllegalArgument; break;
}
}
else
nErr = FormulaError::IllegalArgument;
break;
case 7 :
// Weekend days defined by string
for ( int i = 0; i < 7 && nErr == FormulaError::NONE; i++ )
{
switch ( aWeekendDays[ i ] )
{
case '0' : bWeekendMask[ i ] = false; break;
case '1' : bWeekendMask[ i ] = true; break;
default : nErr = FormulaError::IllegalArgument; break;
}
}
break;
default :
nErr = FormulaError::IllegalArgument;
break;
}
}
return nErr;
}
void ScInterpreter::ScNetWorkdays( bool bOOXML_Version )
{
sal_uInt8 nParamCount = GetByte();
if ( MustHaveParamCount( nParamCount, 2, 4 ) )
{
vector<double> nSortArray;
bool bWeekendMask[ 7 ];
Date aNullDate = *( pFormatter->GetNullDate() );
sal_uInt32 nNullDate = Date::DateToDays( aNullDate.GetDay(), aNullDate.GetMonth(), aNullDate.GetYear() );
FormulaError nErr;
if ( bOOXML_Version )
{
nErr = GetWeekendAndHolidayMasks_MS( nParamCount, nNullDate,
nSortArray, bWeekendMask, false );
}
else
{
nErr = GetWeekendAndHolidayMasks( nParamCount, nNullDate,
nSortArray, bWeekendMask );
}
if ( nErr != FormulaError::NONE )
PushError( nErr );
else
{
sal_uInt32 nDate2 = GetUInt32();
sal_uInt32 nDate1 = GetUInt32();
if (nGlobalError != FormulaError::NONE || (nDate1 > SAL_MAX_UINT32 - nNullDate) || nDate2 > (SAL_MAX_UINT32 - nNullDate))
{
PushIllegalArgument();
return;
}
nDate2 += nNullDate;
nDate1 += nNullDate;
sal_Int32 nCnt = 0;
size_t nRef = 0;
bool bReverse = ( nDate1 > nDate2 );
if ( bReverse )
{
sal_uInt32 nTemp = nDate1;
nDate1 = nDate2;
nDate2 = nTemp;
}
size_t nMax = nSortArray.size();
while ( nDate1 <= nDate2 )
{
if ( !bWeekendMask[ GetDayOfWeek( nDate1 ) ] )
{
while ( nRef < nMax && nSortArray.at( nRef ) < nDate1 )
nRef++;
if ( !( nRef < nMax && nSortArray.at( nRef ) == nDate1 ) )
nCnt++;
}
++nDate1;
}
PushDouble( ( double ) ( bReverse ? -nCnt : nCnt ) );
}
}
}
void ScInterpreter::ScWorkday_MS()
{
sal_uInt8 nParamCount = GetByte();
if ( MustHaveParamCount( nParamCount, 2, 4 ) )
{
nFuncFmtType = css::util::NumberFormat::DATE;
vector<double> nSortArray;
bool bWeekendMask[ 7 ];
Date aNullDate = *( pFormatter->GetNullDate() );
sal_uInt32 nNullDate = Date::DateToDays( aNullDate.GetDay(), aNullDate.GetMonth(), aNullDate.GetYear() );
FormulaError nErr = GetWeekendAndHolidayMasks_MS( nParamCount, nNullDate,
nSortArray, bWeekendMask, true );
if ( nErr != FormulaError::NONE )
PushError( nErr );
else
{
sal_Int32 nDays = GetInt32();
sal_uInt32 nDate = GetUInt32();
if (nGlobalError != FormulaError::NONE || (nDate > SAL_MAX_UINT32 - nNullDate))
{
PushIllegalArgument();
return;
}
nDate += nNullDate;
if ( !nDays )
PushDouble( ( double ) ( nDate - nNullDate ) );
else
{
size_t nMax = nSortArray.size();
if ( nDays > 0 )
{
size_t nRef = 0;
while ( nDays )
{
do
{
++nDate;
}
while ( bWeekendMask[ GetDayOfWeek( nDate ) ] ); //jump over weekend day(s)
while ( nRef < nMax && nSortArray.at( nRef ) < nDate )
nRef++;
if ( !( nRef < nMax && nSortArray.at( nRef ) == nDate ) || nRef >= nMax )
nDays--;
}
}
else
{
sal_Int16 nRef = nMax - 1;
while ( nDays )
{
do
{
--nDate;
}
while ( bWeekendMask[ GetDayOfWeek( nDate ) ] ); //jump over weekend day(s)
while ( nRef >= 0 && nSortArray.at( nRef ) > nDate )
nRef--;
if ( !( nRef >= 0 && nSortArray.at( nRef ) == nDate ) || nRef < 0 )
nDays++;
}
}
PushDouble( ( double ) ( nDate - nNullDate ) );
}
}
}
}
void ScInterpreter::ScGetDate()
{
nFuncFmtType = css::util::NumberFormat::DATE;
if ( MustHaveParamCount( GetByte(), 3 ) )
{
sal_Int16 nDay = GetInt16();
sal_Int16 nMonth = GetInt16();
if (IsMissing())
SetError( FormulaError::ParameterExpected); // Year must be given.
sal_Int16 nYear = GetInt16();
if (nGlobalError != FormulaError::NONE || nYear < 0)
PushIllegalArgument();
else
{
PushDouble(GetDateSerial(nYear, nMonth, nDay, false));
}
}
}
void ScInterpreter::ScGetTime()
{
nFuncFmtType = css::util::NumberFormat::TIME;
if ( MustHaveParamCount( GetByte(), 3 ) )
{
double nSec = GetDouble();
double nMin = GetDouble();
double nHour = GetDouble();
double fTime = fmod( (nHour * ::tools::Time::secondPerHour) + (nMin * ::tools::Time::secondPerMinute) + nSec, DATE_TIME_FACTOR) / DATE_TIME_FACTOR;
if (fTime < 0)
PushIllegalArgument();
else
PushDouble( fTime);
}
}
void ScInterpreter::ScGetDiffDate()
{
if ( MustHaveParamCount( GetByte(), 2 ) )
{
double nDate2 = GetDouble();
double nDate1 = GetDouble();
PushDouble(nDate1 - nDate2);
}
}
void ScInterpreter::ScGetDiffDate360()
{
/* Implementation follows
* http://www.bondmarkets.com/eCommerce/SMD_Fields_030802.pdf
* Appendix B: Day-Count Bases, there are 7 different ways to calculate the
* 30-days count. That document also claims that Excel implements the "PSA
* 30" or "NASD 30" method (funny enough they also state that Excel is the
* only tool that does so).
*
* Note that the definition given in
* http://msdn.microsoft.com/library/en-us/office97/html/SEB7C.asp
* is _not_ the way how it is actually calculated by Excel (that would not
* even match any of the 7 methods mentioned above) and would result in the
* following test cases producing wrong results according to that appendix B:
*
* 28-Feb-95 31-Aug-95 181 instead of 180
* 29-Feb-96 31-Aug-96 181 instead of 180
* 30-Jan-96 31-Mar-96 61 instead of 60
* 31-Jan-96 31-Mar-96 61 instead of 60
*
* Still, there is a difference between OOoCalc and Excel:
* In Excel:
* 02-Feb-99 31-Mar-00 results in 419
* 31-Mar-00 02-Feb-99 results in -418
* In Calc the result is 419 respectively -419. I consider the -418 a bug in Excel.
*/
sal_uInt8 nParamCount = GetByte();
if ( MustHaveParamCount( nParamCount, 2, 3 ) )
{
bool bFlag;
if (nParamCount == 3)
bFlag = GetBool();
else
bFlag = false;
double nDate2 = GetDouble();
double nDate1 = GetDouble();
if (nGlobalError != FormulaError::NONE)
PushError( nGlobalError);
else
{
double fSign;
// #i84934# only for non-US European algorithm swap dates. Else
// follow Excel's meaningless extrapolation for "interoperability".
if (bFlag && (nDate2 < nDate1))
{
fSign = nDate1;
nDate1 = nDate2;
nDate2 = fSign;
fSign = -1.0;
}
else
fSign = 1.0;
Date aDate1 = *(pFormatter->GetNullDate());
aDate1 += (long) ::rtl::math::approxFloor(nDate1);
Date aDate2 = *(pFormatter->GetNullDate());
aDate2 += (long) ::rtl::math::approxFloor(nDate2);
if (aDate1.GetDay() == 31)
aDate1 -= (sal_uLong) 1;
else if (!bFlag)
{
if (aDate1.GetMonth() == 2)
{
switch ( aDate1.GetDay() )
{
case 28 :
if ( !aDate1.IsLeapYear() )
aDate1.SetDay(30);
break;
case 29 :
aDate1.SetDay(30);
break;
}
}
}
if (aDate2.GetDay() == 31)
{
if (!bFlag )
{
if (aDate1.GetDay() == 30)
aDate2 -= (sal_uLong) 1;
}
else
aDate2.SetDay(30);
}
PushDouble( fSign * (double)
( (double) aDate2.GetDay() + (double) aDate2.GetMonth() * 30.0 +
(double) aDate2.GetYear() * 360.0
- (double) aDate1.GetDay() - (double) aDate1.GetMonth() * 30.0
- (double)aDate1.GetYear() * 360.0) );
}
}
}
// fdo#44456 function DATEDIF as defined in ODF1.2 (Par. 6.10.3)
void ScInterpreter::ScGetDateDif()
{
if ( MustHaveParamCount( GetByte(), 3 ) )
{
OUString aInterval = GetString().getString();
double nDate2 = GetDouble();
double nDate1 = GetDouble();
if (nGlobalError != FormulaError::NONE)
{
PushError( nGlobalError);
return;
}
// Excel doesn't swap dates or return negative numbers, so don't we.
if (nDate1 > nDate2)
{
PushIllegalArgument();
return;
}
long dd = nDate2 - nDate1;
// Zero difference or number of days can be returned immediately.
if (dd == 0 || aInterval.equalsIgnoreAsciiCase( "d" ))
{
PushDouble( dd );
return;
}
// split dates in day, month, year for use with formats other than "d"
sal_uInt16 d1, m1, d2, m2;
sal_Int16 y1, y2;
Date aDate1( *( pFormatter->GetNullDate()));
aDate1 += (long) ::rtl::math::approxFloor( nDate1 );
y1 = aDate1.GetYear();
m1 = aDate1.GetMonth();
d1 = aDate1.GetDay();
Date aDate2( *( pFormatter->GetNullDate()));
aDate2 += (long) ::rtl::math::approxFloor( nDate2 );
y2 = aDate2.GetYear();
m2 = aDate2.GetMonth();
d2 = aDate2.GetDay();
// Close the year 0 gap to calculate year difference.
if (y1 < 0 && y2 > 0)
++y1;
else if (y1 > 0 && y2 < 0)
++y2;
if ( aInterval.equalsIgnoreAsciiCase( "m" ) )
{
// Return number of months.
int md = m2 - m1 + 12 * (y2 - y1);
if (d1 > d2)
--md;
PushInt( md );
}
else if ( aInterval.equalsIgnoreAsciiCase( "y" ) )
{
// Return number of years.
int yd;
if ( y2 > y1 )
{
if (m2 > m1 || (m2 == m1 && d2 >= d1))
yd = y2 - y1; // complete years between dates
else
yd = y2 - y1 - 1; // one incomplete year
}
else
{
// Year is equal as we don't allow reversed arguments, no
// complete year between dates.
yd = 0;
}
PushInt( yd );
}
else if ( aInterval.equalsIgnoreAsciiCase( "md" ) )
{
// Return number of days, excluding months and years.
// This is actually the remainder of days when subtracting years
// and months from the difference of dates. Birthday-like 23 years
// and 10 months and 19 days.
// Algorithm's roll-over behavior extracted from Excel by try and
// error..
// If day1 <= day2 then simply day2 - day1.
// If day1 > day2 then set month1 to month2-1 and year1 to
// year2(-1) and subtract dates, e.g. for 2012-01-28,2012-03-01 set
// 2012-02-28 and then (2012-03-01)-(2012-02-28) => 2 days (leap
// year).
// For 2011-01-29,2011-03-01 the non-existent 2011-02-29 rolls over
// to 2011-03-01 so the result is 0. Same for day 31 in months with
// only 30 days.
long nd;
if (d1 <= d2)
nd = d2 - d1;
else
{
if (m2 == 1)
{
aDate1.SetYear( y2 == 1 ? -1 : y2 - 1 );
aDate1.SetMonth( 12 );
}
else
{
aDate1.SetYear( y2 );
aDate1.SetMonth( m2 - 1 );
}
aDate1.Normalize();
nd = aDate2 - aDate1;
}
PushDouble( nd );
}
else if ( aInterval.equalsIgnoreAsciiCase( "ym" ) )
{
// Return number of months, excluding years.
int md = m2 - m1 + 12 * (y2 - y1);
if (d1 > d2)
--md;
md %= 12;
PushInt( md );
}
else if ( aInterval.equalsIgnoreAsciiCase( "yd" ) )
{
// Return number of days, excluding years.
/* TODO: check what Excel really does, though this seems to be
* reasonable */
// Condition corresponds with "y".
if (m2 > m1 || (m2 == m1 && d2 >= d1))
aDate1.SetYear( y2 );
else
aDate1.SetYear( y2 - 1 );
// XXX NOTE: Excel for the case 1988-06-22,2012-05-11 returns
// 323, whereas the result here is 324. Don't they use the leap
// year of 2012?
// http://www.cpearson.com/excel/datedif.aspx "DATEDIF And Leap
// Years" is not correct and Excel 2010 correctly returns 0 in
// both cases mentioned there. Also using year1 as mentioned
// produces incorrect results in other cases and different from
// Excel 2010. Apparently they fixed some calculations.
aDate1.Normalize();
double nd = aDate2 - aDate1;
PushDouble( nd );
}
else
PushIllegalArgument(); // unsupported format
}
}
void ScInterpreter::ScGetTimeValue()
{
OUString aInputString = GetString().getString();
sal_uInt32 nFIndex = 0; // damit default Land/Spr.
double fVal;
if (pFormatter->IsNumberFormat(aInputString, nFIndex, fVal))
{
short eType = pFormatter->GetType(nFIndex);
if (eType == css::util::NumberFormat::TIME || eType == css::util::NumberFormat::DATETIME)
{
double fDateVal = rtl::math::approxFloor(fVal);
double fTimeVal = fVal - fDateVal;
PushDouble(fTimeVal);
}
else
PushIllegalArgument();
}
else
PushIllegalArgument();
}
void ScInterpreter::ScPlusMinus()
{
double nVal = GetDouble();
short n = 0;
if (nVal < 0.0)
n = -1;
else if (nVal > 0.0)
n = 1;
PushInt( n );
}
void ScInterpreter::ScAbs()
{
PushDouble(fabs(GetDouble()));
}
void ScInterpreter::ScInt()
{
PushDouble(::rtl::math::approxFloor(GetDouble()));
}
void ScInterpreter::RoundNumber( rtl_math_RoundingMode eMode )
{
sal_uInt8 nParamCount = GetByte();
if ( MustHaveParamCount( nParamCount, 1, 2 ) )
{
double fVal = 0.0;
if (nParamCount == 1)
fVal = ::rtl::math::round( GetDouble(), 0, eMode );
else
{
sal_Int16 nDec = GetInt16();
if ( nGlobalError != FormulaError::NONE || nDec < -20 || nDec > 20 )
PushIllegalArgument();
else
fVal = ::rtl::math::round( GetDouble(), nDec, eMode );
}
PushDouble(fVal);
}
}
void ScInterpreter::ScRound()
{
RoundNumber( rtl_math_RoundingMode_Corrected );
}
void ScInterpreter::ScRoundDown()
{
RoundNumber( rtl_math_RoundingMode_Down );
}