office-gobmx/basic/source/sbx/sbxcurr.cxx
arpit1912 54b3ada2e5 tdf#141050 Accept CCur with negative strings
the ImpStringToCurrency now increment the pointer on finding a '+' or '-' in sbxcurr.cxx file

Change-Id: I4a1093ae0b4e52b6a61dc412bd5e7b95b1309e7a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112734
Tested-by: Jenkins
Reviewed-by: Andreas Heinisch <andreas.heinisch@yahoo.de>
2021-03-20 11:57:48 +01:00

486 lines
16 KiB
C++

/* -*- 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 <rtl/ustrbuf.hxx>
#include <basic/sberrors.hxx>
#include <basic/sbxvar.hxx>
#include "sbxconv.hxx"
static OUString ImpCurrencyToString( sal_Int64 rVal )
{
bool isNeg = ( rVal < 0 );
sal_Int64 absVal = isNeg ? -rVal : rVal;
sal_Unicode const cDecimalSep = '.';
OUString aAbsStr = OUString::number( absVal );
sal_Int32 initialLen = aAbsStr.getLength();
bool bLessThanOne = false;
if ( initialLen <= 4 ) // if less the 1
bLessThanOne = true;
sal_Int32 nCapacity = 6; // minimum e.g. 0.0000
if ( !bLessThanOne )
{
nCapacity = initialLen + 1;
}
if ( isNeg )
++nCapacity;
OUStringBuffer aBuf( nCapacity );
aBuf.setLength( nCapacity );
sal_Int32 nDigitCount = 0;
sal_Int32 nInsertIndex = nCapacity - 1;
sal_Int32 nEndIndex = isNeg ? 1 : 0;
for ( sal_Int32 charCpyIndex = aAbsStr.getLength() - 1; nInsertIndex >= nEndIndex; ++nDigitCount )
{
if ( nDigitCount == 4 )
aBuf[nInsertIndex--] = cDecimalSep;
if ( nDigitCount < initialLen )
aBuf[nInsertIndex--] = aAbsStr[ charCpyIndex-- ];
else
// Handle leading 0's to right of decimal point
// Note: in VBA the stringification is a little more complex
// but more natural as only the necessary digits
// to the right of the decimal places are displayed
// It would be great to conditionally be able to display like that too
// Val OOo (Cur) VBA (Cur)
// --- --------- ---------
// 0 0.0000 0
// 0.1 0.1000 0.1
aBuf[nInsertIndex--] = '0';
}
if ( isNeg )
aBuf[nInsertIndex] = '-';
aAbsStr = aBuf.makeStringAndClear();
return aAbsStr;
}
static sal_Int64 ImpStringToCurrency( const OUString &rStr )
{
sal_Int32 nFractDigit = 4;
sal_Unicode const cDeciPnt = '.';
sal_Unicode const c1000Sep = ',';
// lets use the existing string number conversions
// there is a performance impact here ( multiple string copies )
// but better I think than a home brewed string parser, if we need a parser
// we should share some existing ( possibly from calc is there a currency
// conversion there ? #TODO check )
OUString sTmp( rStr.trim() );
const sal_Unicode* p = sTmp.getStr();
// normalise string number by removing thousand & decimal point separators
OUStringBuffer sNormalisedNumString( sTmp.getLength() + nFractDigit );
if ( *p == '-' || *p == '+' )
sNormalisedNumString.append( *p++ );
while ( *p >= '0' && *p <= '9' )
{
sNormalisedNumString.append( *p++ );
// #TODO in vba mode set runtime error when a space ( or other )
// illegal character is found
if( *p == c1000Sep )
p++;
}
bool bRoundUp = false;
if( *p == cDeciPnt )
{
p++;
while( nFractDigit && *p >= '0' && *p <= '9' )
{
sNormalisedNumString.append( *p++ );
nFractDigit--;
}
// Consume trailing content
if ( p != nullptr )
{
// Round up if necessary
if( *p >= '5' && *p <= '9' )
bRoundUp = true;
while( *p >= '0' && *p <= '9' )
p++;
}
}
// can we raise error here ? ( previous behaviour was more forgiving )
// so... not sure that could break existing code, let's see if anyone
// complains.
if ( p != sTmp.getStr() + sTmp.getLength() )
SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
while( nFractDigit )
{
sNormalisedNumString.append( '0' );
nFractDigit--;
}
sal_Int64 result = sNormalisedNumString.makeStringAndClear().toInt64();
if ( bRoundUp )
++result;
return result;
}
sal_Int64 ImpGetCurrency( const SbxValues* p )
{
SbxValues aTmp;
sal_Int64 nRes;
start:
switch( +p->eType )
{
case SbxERROR:
case SbxNULL:
SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
nRes = 0; break;
case SbxEMPTY:
nRes = 0; break;
case SbxCURRENCY:
nRes = p->nInt64; break;
case SbxBYTE:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(p->nByte);
break;
case SbxCHAR:
nRes = sal_Int64(CURRENCY_FACTOR) * reinterpret_cast<sal_Int64>(p->pChar);
break;
case SbxBOOL:
case SbxINTEGER:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(p->nInteger);
break;
case SbxUSHORT:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(p->nUShort);
break;
case SbxLONG:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(p->nLong);
break;
case SbxULONG:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(p->nULong);
break;
case SbxSALINT64:
{
nRes = p->nInt64 * CURRENCY_FACTOR; break;
#if 0
// Huh, is the 'break' above intentional? That means this
// is unreachable, obviously. Avoid warning by ifdeffing
// this out for now. Do not delete this #if 0 block unless
// you know for sure the 'break' above is intentional.
if ( nRes > SAL_MAX_INT64 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SAL_MAX_INT64;
}
#endif
}
case SbxSALUINT64:
nRes = p->nInt64 * CURRENCY_FACTOR; break;
#if 0
// As above
if ( nRes > SAL_MAX_INT64 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SAL_MAX_INT64;
}
else if ( nRes < SAL_MIN_INT64 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); nRes = SAL_MIN_INT64;
}
break;
#endif
//TODO: bring back SbxINT64 types here for limits -1 with flag value at SAL_MAX/MIN
case SbxSINGLE:
if( p->nSingle * CURRENCY_FACTOR + 0.5 > float(SAL_MAX_INT64)
|| p->nSingle * CURRENCY_FACTOR - 0.5 < float(SAL_MIN_INT64) )
{
nRes = SAL_MAX_INT64;
if( p->nSingle * CURRENCY_FACTOR - 0.5 < float(SAL_MIN_INT64) )
nRes = SAL_MIN_INT64;
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
break;
}
nRes = ImpDoubleToCurrency( static_cast<double>(p->nSingle) );
break;
case SbxDATE:
case SbxDOUBLE:
if( p->nDouble * CURRENCY_FACTOR + 0.5 > double(SAL_MAX_INT64)
|| p->nDouble * CURRENCY_FACTOR - 0.5 < double(SAL_MIN_INT64) )
{
nRes = SAL_MAX_INT64;
if( p->nDouble * CURRENCY_FACTOR - 0.5 < double(SAL_MIN_INT64) )
nRes = SAL_MIN_INT64;
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
break;
}
nRes = ImpDoubleToCurrency( p->nDouble );
break;
case SbxDECIMAL:
case SbxBYREF | SbxDECIMAL:
{
double d = 0.0;
if( p->pDecimal )
p->pDecimal->getDouble( d );
nRes = ImpDoubleToCurrency( d );
break;
}
case SbxBYREF | SbxSTRING:
case SbxSTRING:
case SbxLPSTR:
if( !p->pOUString )
nRes=0;
else
nRes = ImpStringToCurrency( *p->pOUString );
break;
case SbxOBJECT:
{
SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
if( pVal )
nRes = pVal->GetCurrency();
else
{
SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT );
nRes=0;
}
break;
}
case SbxBYREF | SbxCHAR:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(*p->pChar);
break;
case SbxBYREF | SbxBYTE:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(*p->pByte);
break;
case SbxBYREF | SbxBOOL:
case SbxBYREF | SbxINTEGER:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(*p->pInteger);
break;
case SbxBYREF | SbxERROR:
case SbxBYREF | SbxUSHORT:
nRes = sal_Int64(CURRENCY_FACTOR) * static_cast<sal_Int64>(*p->pUShort);
break;
// from here on had to be tested
case SbxBYREF | SbxLONG:
aTmp.nLong = *p->pLong; goto ref;
case SbxBYREF | SbxULONG:
aTmp.nULong = *p->pULong; goto ref;
case SbxBYREF | SbxSINGLE:
aTmp.nSingle = *p->pSingle; goto ref;
case SbxBYREF | SbxDATE:
case SbxBYREF | SbxDOUBLE:
aTmp.nDouble = *p->pDouble; goto ref;
case SbxBYREF | SbxCURRENCY:
case SbxBYREF | SbxSALINT64:
aTmp.nInt64 = *p->pnInt64; goto ref;
case SbxBYREF | SbxSALUINT64:
aTmp.uInt64 = *p->puInt64; goto ref;
ref:
aTmp.eType = SbxDataType( p->eType & ~SbxBYREF );
p = &aTmp; goto start;
default:
SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
nRes=0;
}
return nRes;
}
void ImpPutCurrency( SbxValues* p, const sal_Int64 r )
{
SbxValues aTmp;
start:
switch( +p->eType )
{
// Here are tests necessary
case SbxCHAR:
aTmp.pChar = &p->nChar; goto direct;
case SbxBYTE:
aTmp.pByte = &p->nByte; goto direct;
case SbxINTEGER:
case SbxBOOL:
aTmp.pInteger = &p->nInteger; goto direct;
case SbxLONG:
aTmp.pLong = &p->nLong; goto direct;
case SbxULONG:
aTmp.pULong = &p->nULong; goto direct;
case SbxERROR:
case SbxUSHORT:
aTmp.pUShort = &p->nUShort; goto direct;
direct:
aTmp.eType = SbxDataType( p->eType | SbxBYREF );
p = &aTmp; goto start;
// from here no longer
case SbxSINGLE:
p->nSingle = static_cast<float>( r / CURRENCY_FACTOR ); break;
case SbxDATE:
case SbxDOUBLE:
p->nDouble = ImpCurrencyToDouble( r ); break;
case SbxSALUINT64:
p->uInt64 = r / CURRENCY_FACTOR; break;
case SbxSALINT64:
p->nInt64 = r / CURRENCY_FACTOR; break;
case SbxCURRENCY:
p->nInt64 = r; break;
case SbxDECIMAL:
case SbxBYREF | SbxDECIMAL:
{
SbxDecimal* pDec = ImpCreateDecimal( p );
if( !pDec->setDouble( ImpCurrencyToDouble( r ) / CURRENCY_FACTOR ) )
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
break;
}
case SbxBYREF | SbxSTRING:
case SbxSTRING:
case SbxLPSTR:
if( !p->pOUString )
p->pOUString = new OUString;
*p->pOUString = ImpCurrencyToString( r );
break;
case SbxOBJECT:
{
SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
if( pVal )
pVal->PutCurrency( r );
else
SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT );
break;
}
case SbxBYREF | SbxCHAR:
{
sal_Int64 val = r / CURRENCY_FACTOR;
if( val > SbxMAXCHAR )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMAXCHAR;
}
else if( val < SbxMINCHAR )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMINCHAR;
}
*p->pChar = static_cast<sal_Unicode>(val); break;
}
case SbxBYREF | SbxBYTE:
{
sal_Int64 val = r / CURRENCY_FACTOR;
if( val > SbxMAXBYTE )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMAXBYTE;
}
else if( val < 0 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = 0;
}
*p->pByte = static_cast<sal_uInt8>(val); break;
}
case SbxBYREF | SbxINTEGER:
case SbxBYREF | SbxBOOL:
{
sal_Int64 val = r / CURRENCY_FACTOR;
if( r > SbxMAXINT )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMAXINT;
}
else if( r < SbxMININT )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMININT;
}
*p->pInteger = static_cast<sal_uInt16>(val); break;
}
case SbxBYREF | SbxERROR:
case SbxBYREF | SbxUSHORT:
{
sal_Int64 val = r / CURRENCY_FACTOR;
if( val > SbxMAXUINT )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMAXUINT;
}
else if( val < 0 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = 0;
}
*p->pUShort = static_cast<sal_uInt16>(val); break;
}
case SbxBYREF | SbxLONG:
{
sal_Int64 val = r / CURRENCY_FACTOR;
if( val > SbxMAXLNG )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMAXLNG;
}
else if( val < SbxMINLNG )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMINLNG;
}
*p->pLong = static_cast<sal_Int32>(val); break;
}
case SbxBYREF | SbxULONG:
{
sal_Int64 val = r / CURRENCY_FACTOR;
if( val > SbxMAXULNG )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = SbxMAXULNG;
}
else if( val < 0 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); val = 0;
}
*p->pULong = static_cast<sal_uInt32>(val); break;
}
case SbxBYREF | SbxCURRENCY:
*p->pnInt64 = r; break;
case SbxBYREF | SbxSALINT64:
*p->pnInt64 = r / CURRENCY_FACTOR; break;
case SbxBYREF | SbxSALUINT64:
*p->puInt64 = static_cast<sal_uInt64>(r) / CURRENCY_FACTOR; break;
case SbxBYREF | SbxSINGLE:
p->nSingle = static_cast<float>( r / CURRENCY_FACTOR ); break;
case SbxBYREF | SbxDATE:
case SbxBYREF | SbxDOUBLE:
*p->pDouble = ImpCurrencyToDouble( r ); break;
default:
SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */