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libreoffice/basic/source/sbx/sbxsng.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

279 lines
9.1 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 <sal/config.h>
#include <comphelper/errcode.hxx>
#include <basic/sberrors.hxx>
#include "sbxconv.hxx"
float ImpGetSingle( const SbxValues* p )
{
SbxValues aTmp;
float nRes;
start:
switch( +p->eType )
{
case SbxNULL:
SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
[[fallthrough]];
case SbxEMPTY:
nRes = 0; break;
case SbxCHAR:
nRes = p->nChar; break;
case SbxBYTE:
nRes = p->nByte; break;
case SbxINTEGER:
case SbxBOOL:
nRes = p->nInteger; break;
case SbxERROR:
case SbxUSHORT:
nRes = p->nUShort; break;
case SbxLONG:
nRes = static_cast<float>(p->nLong); break;
case SbxULONG:
nRes = static_cast<float>(p->nULong); break;
case SbxSINGLE:
nRes = p->nSingle; break;
case SbxDECIMAL:
case SbxBYREF | SbxDECIMAL:
if (!p->pDecimal || !p->pDecimal->getSingle(nRes))
nRes = 0.0;
break;
case SbxDATE:
case SbxDOUBLE:
case SbxCURRENCY:
case SbxSALINT64:
case SbxSALUINT64:
{
double dVal;
if( p->eType == SbxCURRENCY )
dVal = ImpCurrencyToDouble( p->nInt64 );
else if( p->eType == SbxSALINT64 )
dVal = static_cast<float>(p->nInt64);
else if( p->eType == SbxSALUINT64 )
dVal = static_cast<float>(p->uInt64);
else
dVal = p->nDouble;
if( dVal > SbxMAXSNG )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
nRes = static_cast< float >(SbxMAXSNG);
}
else if( dVal < SbxMINSNG )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
nRes = static_cast< float >(SbxMINSNG);
}
// tests for underflow - storing value too small for precision of single
else if( dVal > 0 && dVal < SbxMAXSNG2 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
nRes = static_cast< float >(SbxMAXSNG2);
}
else if( dVal < 0 && dVal > SbxMINSNG2 )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
nRes = static_cast< float >(SbxMINSNG2);
}
else
nRes = static_cast<float>(dVal);
break;
}
case SbxBYREF | SbxSTRING:
case SbxSTRING:
case SbxLPSTR:
if( !p->pOUString )
nRes = 0;
else
{
double d;
SbxDataType t;
if( ImpScan( *p->pOUString, d, t, nullptr ) != ERRCODE_NONE )
nRes = 0;
else if( d > SbxMAXSNG )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
nRes = static_cast< float >(SbxMAXSNG);
}
else if( d < SbxMINSNG )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
nRes = static_cast< float >(SbxMINSNG);
}
else
nRes = static_cast<float>(d);
}
break;
case SbxOBJECT:
{
SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
if( pVal )
nRes = pVal->GetSingle();
else
{
SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT ); nRes = 0;
}
break;
}
case SbxBYREF | SbxCHAR:
nRes = *p->pChar; break;
case SbxBYREF | SbxBYTE:
nRes = *p->pByte; break;
case SbxBYREF | SbxINTEGER:
case SbxBYREF | SbxBOOL:
nRes = *p->pInteger; break;
case SbxBYREF | SbxLONG:
nRes = static_cast<float>(*p->pLong); break;
case SbxBYREF | SbxULONG:
nRes = static_cast<float>(*p->pULong); break;
case SbxBYREF | SbxERROR:
case SbxBYREF | SbxUSHORT:
nRes = *p->pUShort; break;
case SbxBYREF | SbxSINGLE:
nRes = *p->pSingle; break;
// from here had to be tested
case SbxBYREF | SbxDATE:
case SbxBYREF | SbxDOUBLE:
aTmp.nDouble = *p->pDouble; goto ref;
case SbxBYREF | SbxSALINT64:
case SbxBYREF | SbxCURRENCY:
aTmp.nInt64 = *p->pnInt64; goto ref;
case SbxBYREF | SbxSALUINT64:
aTmp.uInt64 = *p->puInt64; goto ref;
ref:
aTmp.eType = SbxDataType( p->eType & 0x0FFF );
p = &aTmp; goto start;
default:
SbxBase::SetError( ERRCODE_BASIC_CONVERSION ); nRes = 0;
}
return nRes;
}
void ImpPutSingle( SbxValues* p, float n )
{
SbxValues aTmp;
start:
switch( +p->eType )
{
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;
case SbxCURRENCY:
case SbxSALINT64:
aTmp.pnInt64 = &p->nInt64; goto direct;
case SbxSALUINT64:
aTmp.puInt64 = &p->uInt64; goto direct;
case SbxDECIMAL:
case SbxBYREF | SbxDECIMAL:
{
SbxDecimal* pDec = ImpCreateDecimal( p );
if( !pDec->setSingle( n ) )
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW );
break;
}
direct:
aTmp.eType = SbxDataType( p->eType | SbxBYREF );
p = &aTmp; goto start;
// from here no tests
case SbxSINGLE:
p->nSingle = n; break;
case SbxDATE:
case SbxDOUBLE:
p->nDouble = n; break;
case SbxBYREF | SbxSTRING:
case SbxSTRING:
case SbxLPSTR:
{
if( !p->pOUString )
p->pOUString = new OUString;
// tdf#107953 - show 9 significant digits
ImpCvtNum( static_cast<double>(n), 9, *p->pOUString );
break;
}
case SbxOBJECT:
{
SbxValue* pVal = dynamic_cast<SbxValue*>( p->pObj );
if( pVal )
pVal->PutSingle( n );
else
SbxBase::SetError( ERRCODE_BASIC_NO_OBJECT );
break;
}
case SbxBYREF | SbxCHAR:
*p->pChar = ImpDoubleToChar(n); break;
case SbxBYREF | SbxBYTE:
*p->pByte = ImpDoubleToByte(n); break;
case SbxBYREF | SbxINTEGER:
case SbxBYREF | SbxBOOL:
*p->pInteger = ImpDoubleToInteger(n); break;
case SbxBYREF | SbxERROR:
case SbxBYREF | SbxUSHORT:
*p->pUShort = ImpDoubleToUShort(n); break;
case SbxBYREF | SbxLONG:
*p->pLong = ImpDoubleToLong(n); break;
case SbxBYREF | SbxULONG:
*p->pULong = ImpDoubleToULong(n); break;
case SbxBYREF | SbxSINGLE:
*p->pSingle = n; break;
case SbxBYREF | SbxDATE:
case SbxBYREF | SbxDOUBLE:
*p->pDouble = static_cast<double>(n); break;
case SbxBYREF | SbxSALINT64:
*p->pnInt64 = ImpDoubleToSalInt64(n); break;
case SbxBYREF | SbxSALUINT64:
*p->puInt64 = ImpDoubleToSalUInt64(n); break;
case SbxBYREF | SbxCURRENCY:
double d;
if( n > SbxMAXCURR )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); d = SbxMAXCURR;
}
else if( n < SbxMINCURR )
{
SbxBase::SetError( ERRCODE_BASIC_MATH_OVERFLOW ); d = SbxMINCURR;
}
else
{
d = n;
}
*p->pnInt64 = ImpDoubleToCurrency( d ); break;
default:
SbxBase::SetError( ERRCODE_BASIC_CONVERSION );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */