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office-gobmx/basic/source/sbx/sbxcurr.cxx
Mike Kaganski b2257d1f78 Improve run-time Currency type support in Basic 
Change-Id: I1e04c6022944034a30ef896b8cd24050ebe3bbd5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/173042
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2024-09-09 17:46:41 +02:00

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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 <rtl/ustrbuf.hxx>
#include <basic/sberrors.hxx>
#include <basic/sbxvar.hxx>
#include <o3tl/string_view.hxx>
#include <svl/numformat.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <sbintern.hxx>
#include <runtime.hxx>
#include "sbxconv.hxx"
static OUString ImpCurrencyToString( sal_Int64 rVal )
{
sal_Unicode cDecimalSep, cThousandSepDummy, cDecimalSepAltDummy;
ImpGetIntntlSep(cDecimalSep, cThousandSepDummy, cDecimalSepAltDummy);
auto strNum = OUString::number(rVal);
std::u16string_view aAbsStr(strNum);
OUStringBuffer aBuf(22);
if (rVal < 0)
{
aBuf.append('-');
assert(aAbsStr[0] == '-');
aAbsStr = aAbsStr.substr(1); // skip the minus
}
size_t hasFractDigits = std::min(aAbsStr.length(), size_t(4));
size_t hasWholeDigits = aAbsStr.length() - hasFractDigits;
if (hasWholeDigits > 0)
aBuf.append(aAbsStr.substr(0, hasWholeDigits));
else
aBuf.append('0');
aBuf.append(cDecimalSep);
// Handle leading 0's to right of decimal separator
// 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
for (size_t i = 4; i > hasFractDigits; --i)
aBuf.append('0');
aBuf.append(aAbsStr.substr(aAbsStr.length() - hasFractDigits, hasFractDigits));
return aBuf.makeStringAndClear();
}
static sal_Int64 ImpStringToCurrency(const rtl::OUString& rStr)
{
LanguageType eLangType = Application::GetSettings().GetLanguageTag().getLanguageType();
std::shared_ptr<SvNumberFormatter> pFormatter;
if (GetSbData()->pInst)
{
pFormatter = GetSbData()->pInst->GetNumberFormatter();
}
else
{
sal_uInt32 n; // Dummy
pFormatter = SbiInstance::PrepareNumberFormatter(/*date index*/ n, /*time index*/ n,
/*date time index*/ n);
}
// Passing a locale index switches IsNumberFormat() to use that locale,
// in case the formatter wasn't default-created with it.
sal_uInt32 nIndex = pFormatter->GetStandardIndex(eLangType);
double fResult = 0.0;
bool bSuccess = pFormatter->IsNumberFormat(rStr, nIndex, fResult);
if (bSuccess)
{
SvNumFormatType nType = pFormatter->GetType(nIndex);
if (!(nType & (SvNumFormatType::CURRENCY | SvNumFormatType::NUMBER)))
{
bSuccess = false;
}
}
if (!bSuccess)
{
SbxBase::SetError(ERRCODE_BASIC_CONVERSION);
}
return ImpDoubleToCurrency(fResult);
}
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 = CurFrom(p->nByte);
break;
case SbxCHAR:
nRes = CurFrom(p->nChar);
break;
case SbxBOOL:
case SbxINTEGER:
nRes = CurFrom(p->nInteger);
break;
case SbxUSHORT:
nRes = CurFrom(p->nUShort);
break;
case SbxLONG:
nRes = CurFrom(p->nLong);
break;
case SbxULONG:
nRes = CurFrom(p->nULong);
break;
case SbxSALINT64:
nRes = CurFrom(p->nInt64);
break;
case SbxSALUINT64:
nRes = CurFrom(p->uInt64);
break;
case SbxSINGLE:
nRes = ImpDoubleToCurrency(p->nSingle);
break;
case SbxDATE:
case SbxDOUBLE:
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 = CurFrom(*p->pChar);
break;
case SbxBYREF | SbxBYTE:
nRes = CurFrom(*p->pByte);
break;
case SbxBYREF | SbxBOOL:
case SbxBYREF | SbxINTEGER:
nRes = CurFrom(*p->pInteger);
break;
case SbxBYREF | SbxERROR:
case SbxBYREF | SbxUSHORT:
nRes = CurFrom(*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 )
{
switch( +p->eType )
{
case SbxDATE:
case SbxDOUBLE:
p->nDouble = ImpCurrencyToDouble( r ); break;
case SbxSALUINT64:
p->uInt64 = CurTo<sal_uInt64>(r); break;
case SbxSALINT64:
p->nInt64 = CurTo<sal_Int64>(r); break;
case SbxCURRENCY:
p->nInt64 = r; break;
case SbxDECIMAL:
case SbxBYREF | SbxDECIMAL:
{
SbxDecimal* pDec = ImpCreateDecimal( p );
if( !pDec->setDouble( ImpCurrencyToDouble( r ) ) )
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 SbxCHAR:
p->nChar = CurTo<sal_Unicode>(r); break;
case SbxBYREF | SbxCHAR:
*p->pChar = CurTo<sal_Unicode>(r); break;
case SbxBYTE:
p->nByte = CurTo<sal_uInt8>(r); break;
case SbxBYREF | SbxBYTE:
*p->pByte = CurTo<sal_uInt8>(r); break;
case SbxINTEGER:
case SbxBOOL:
p->nInteger = CurTo<sal_Int16>(r); break;
case SbxBYREF | SbxINTEGER:
case SbxBYREF | SbxBOOL:
*p->pInteger = CurTo<sal_Int16>(r); break;
case SbxERROR:
case SbxUSHORT:
p->nUShort = CurTo<sal_uInt16>(r); break;
case SbxBYREF | SbxERROR:
case SbxBYREF | SbxUSHORT:
*p->pUShort = CurTo<sal_uInt16>(r); break;
case SbxLONG:
p->nLong = CurTo<sal_Int32>(r); break;
case SbxBYREF | SbxLONG:
*p->pLong = CurTo<sal_Int32>(r); break;
case SbxULONG:
p->nULong = CurTo<sal_uInt32>(r); break;
case SbxBYREF | SbxULONG:
*p->pULong = CurTo<sal_uInt32>(r); break;
case SbxBYREF | SbxCURRENCY:
*p->pnInt64 = r; break;
case SbxBYREF | SbxSALINT64:
*p->pnInt64 = CurTo<sal_Int64>(r); break;
case SbxBYREF | SbxSALUINT64:
*p->puInt64 = CurTo<sal_uInt64>(r); break;
case SbxSINGLE:
case SbxBYREF | SbxSINGLE:
p->nSingle = r / float(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: */
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