/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basic.hxx"
#include <tools/errcode.hxx>
#include <basic/sbx.hxx>
#include "sbxconv.hxx"

float ImpGetSingle( const SbxValues* p )
{
	SbxValues aTmp;
	float nRes;
start:
	switch( +p->eType )
	{
		case SbxNULL:
			SbxBase::SetError( SbxERR_CONVERSION );
		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 = (float) p->nLong; break;
		case SbxULONG:
			nRes = (float) p->nULong; break;
		case SbxSINGLE:
			nRes = p->nSingle; break;
		case SbxSALINT64:
            nRes = (float) p->nInt64; break;
		case SbxSALUINT64:
            nRes = (float) ImpSalUInt64ToDouble( p->uInt64 ); break;
		case SbxDECIMAL:
		case SbxBYREF | SbxDECIMAL:
			if( p->pDecimal )
				p->pDecimal->getSingle( nRes );
			else
				nRes = 0.0;
			break;
		case SbxDATE:
		case SbxDOUBLE:
		case SbxLONG64:
		case SbxULONG64:
		case SbxCURRENCY:
			{
			double dVal;
			if( p->eType ==	SbxCURRENCY )
				dVal = ImpCurrencyToDouble( p->nLong64 );
			else if( p->eType == SbxLONG64 )
				dVal = ImpINT64ToDouble( p->nLong64 );
			else if( p->eType == SbxULONG64 )
				dVal = ImpUINT64ToDouble( p->nULong64 );
			else
				dVal = p->nDouble;

			if( dVal > SbxMAXSNG )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
                nRes = static_cast< float >(SbxMAXSNG);
			}
			else if( dVal < SbxMINSNG )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
                nRes = static_cast< float >(SbxMINSNG);
			}
			else if( dVal > 0 && dVal < SbxMAXSNG2 )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
                nRes = static_cast< float >(SbxMAXSNG2);
			}
			else if( dVal < 0 && dVal > SbxMINSNG2 )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
                nRes = static_cast< float >(SbxMINSNG2);
			}
			else
				nRes = (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, NULL ) != SbxERR_OK )
					nRes = 0;
				else if( d > SbxMAXSNG )
				{
					SbxBase::SetError( SbxERR_OVERFLOW );
                    nRes = static_cast< float >(SbxMAXSNG);
				}
				else if( d < SbxMINSNG )
				{
					SbxBase::SetError( SbxERR_OVERFLOW );
                    nRes = static_cast< float >(SbxMINSNG);
				}
				else
					nRes = (float) d;
			}
			break;
		case SbxOBJECT:
		{
			SbxValue* pVal = PTR_CAST(SbxValue,p->pObj);
			if( pVal )
				nRes = pVal->GetSingle();
			else
			{
				SbxBase::SetError( SbxERR_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 = (float) *p->pLong; break;
		case SbxBYREF | SbxULONG:
			nRes = (float) *p->pULong; break;
		case SbxBYREF | SbxERROR:
		case SbxBYREF | SbxUSHORT:
			nRes = *p->pUShort; break;
		case SbxBYREF | SbxSINGLE:
			nRes = *p->pSingle; break;
		// ab hier muss getestet werden
		case SbxBYREF | SbxDATE:
		case SbxBYREF | SbxDOUBLE:
			aTmp.nDouble = *p->pDouble; goto ref;
		case SbxBYREF | SbxULONG64:
			aTmp.nULong64 = *p->pULong64; goto ref;
		case SbxBYREF | SbxLONG64:
		case SbxBYREF | SbxSALINT64:
            nRes = (float) *p->pnInt64; break;
		case SbxBYREF | SbxSALUINT64:
            nRes = (float) ImpSalUInt64ToDouble( *p->puInt64 ); break;
		case SbxBYREF | SbxCURRENCY:
			aTmp.nLong64 = *p->pLong64; goto ref;
		ref:
			aTmp.eType = SbxDataType( p->eType & 0x0FFF );
			p = &aTmp; goto start;

		default:
			SbxBase::SetError( SbxERR_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 SbxULONG64:
			aTmp.pULong64 = &p->nULong64; goto direct;
		case SbxLONG64:
		case SbxCURRENCY:
			aTmp.pLong64 = &p->nLong64; goto direct;
		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( SbxERR_OVERFLOW ); 
			break;
			}
		direct:
			aTmp.eType = SbxDataType( p->eType | SbxBYREF );
			p = &aTmp; goto start;

		// keine Tests ab hier
		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 ::rtl::OUString;
			ImpCvtNum( (double) n, 6, *p->pOUString );
			break;
		}
		case SbxOBJECT:
		{
			SbxValue* pVal = PTR_CAST(SbxValue,p->pObj);
			if( pVal )
				pVal->PutSingle( n );
			else
				SbxBase::SetError( SbxERR_NO_OBJECT );
			break;
		}
		case SbxBYREF | SbxCHAR:
			if( n > SbxMAXCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = SbxMAXCHAR;
			}
			else if( n < SbxMINCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = SbxMINCHAR;
			}
			*p->pChar = (xub_Unicode) n; break;
		case SbxBYREF | SbxBYTE:
			if( n > SbxMAXBYTE )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = SbxMAXBYTE;
			}
			else if( n < 0 )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = 0;
			}
			*p->pByte = (sal_uInt8) n; break;
		case SbxBYREF | SbxINTEGER:
		case SbxBYREF | SbxBOOL:
			if( n > SbxMAXINT )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = SbxMAXINT;
			}
			else if( n < SbxMININT )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = SbxMININT;
			}
			*p->pInteger = (sal_Int16) n; break;
		case SbxBYREF | SbxERROR:
		case SbxBYREF | SbxUSHORT:
			if( n > SbxMAXUINT )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = SbxMAXUINT;
			}
			else if( n < 0 )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); n = 0;
			}
			*p->pUShort = (sal_uInt16) n; break;
		case SbxBYREF | SbxLONG:
        {
            sal_Int32 i;
			if( n > SbxMAXLNG )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); i = SbxMAXLNG;
			}
			else if( n < SbxMINLNG )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); i = SbxMINLNG;
			}
            else
            {
                i = sal::static_int_cast< sal_Int32 >(n);
            }
			*p->pLong = i; break;
        }
		case SbxBYREF | SbxULONG:
        {
            sal_uInt32 i;
			if( n > SbxMAXULNG )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); i = SbxMAXULNG;
			}
			else if( n < 0 )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); i = 0;
			}
            else
            {
                i = sal::static_int_cast< sal_uInt32 >(n);
            }
			*p->pULong = i; break;
        }
		case SbxBYREF | SbxSINGLE:
			*p->pSingle = n; break;
		case SbxBYREF | SbxDATE:
		case SbxBYREF | SbxDOUBLE:
			*p->pDouble = (double) n; break;
		case SbxBYREF | SbxSALINT64:
            *p->pnInt64 = ImpDoubleToSalInt64( (double) n ); break;
		case SbxBYREF | SbxSALUINT64:
			*p->puInt64 = ImpDoubleToSalUInt64( (double) n ); break;
		case SbxBYREF | SbxCURRENCY:
            double d;
			if( n > SbxMAXCURR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); d = SbxMAXCURR;
			}
			else if( n < SbxMINCURR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); d = SbxMINCURR;
			}
            else
            {
                d = n;
            }
			*p->pLong64 = ImpDoubleToCurrency( n ); break;

		default:
			SbxBase::SetError( SbxERR_CONVERSION );
	}
}

