/* -*- 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: */

V530 The return value of function 'append' is required to be utilized.

V530 The return value of function 'append' is required to be utilized.

V530 The return value of function 'append' is required to be utilized.

V530 The return value of function 'append' is required to be utilized.

V530 The return value of function 'append' is required to be utilized.

V530 The return value of function 'append' is required to be utilized.