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Diffstat (limited to '')
| -rw-r--r-- | basic/source/sbx/sbxcurr.cxx | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/basic/source/sbx/sbxcurr.cxx b/basic/source/sbx/sbxcurr.cxx new file mode 100644 index 000000000..50b530cda --- /dev/null +++ b/basic/source/sbx/sbxcurr.cxx @@ -0,0 +1,486 @@ +/* -*- 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: */ |