/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: sbxchar.cxx,v $
 * $Revision: 1.4 $
 *
 * This file is part of OpenOffice.org.
 *
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 * 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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#ifndef _ERRCODE_HXX //autogen
#include <tools/errcode.hxx>
#endif
#include "sbx.hxx"
#include "sbxconv.hxx"

// AB 29.10.99 Unicode
#ifndef _USE_NO_NAMESPACE
using namespace rtl;
#endif

namespace binfilter {

xub_Unicode ImpGetChar( const SbxValues* p )
{
	SbxValues aTmp;
	xub_Unicode 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 = (xub_Unicode) p->nByte;
			break;
		case SbxINTEGER:
		case SbxBOOL:
			if( p->nInteger < SbxMINCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMINCHAR;
			}
			else
				nRes = (xub_Unicode) p->nInteger;
			break;
		case SbxERROR:
		case SbxUSHORT:
			nRes = (xub_Unicode) p->nUShort;
			break;
		case SbxLONG:
			if( p->nLong > SbxMAXCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMAXCHAR;
			}
			else if( p->nLong < SbxMINCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMINCHAR;
			}
			else
				nRes = (xub_Unicode) p->nLong;
			break;
		case SbxULONG:
			if( p->nULong > SbxMAXCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMAXCHAR;
			}
			else
				nRes = (xub_Unicode) p->nULong;
			break;
		case SbxSALINT64:
			if( p->nInt64 > SbxMAXCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMAXCHAR;
			}
			else if( p->nInt64 < SbxMINCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMINCHAR;
			}
			else
				nRes = (xub_Unicode) p->nInt64;
			break;
		case SbxSALUINT64:
			if( p->uInt64 > SbxMAXCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMAXCHAR;
			}
			else
				nRes = (xub_Unicode) p->uInt64;
			break;
		case SbxSINGLE:
			if( p->nSingle > SbxMAXCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMAXCHAR;
			}
			else if( p->nSingle < SbxMINCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMINCHAR;
			}
			else
				nRes = (xub_Unicode) ImpRound( p->nSingle );
			break;
		case SbxDATE:
		case SbxDOUBLE:
		case SbxLONG64:
		case SbxULONG64:
		case SbxCURRENCY:
		case SbxDECIMAL:
		case SbxBYREF | SbxDECIMAL:
			{
			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 if( p->eType == SbxDECIMAL )
			{
				dVal = 0.0;
				if( p->pDecimal )
					p->pDecimal->getDouble( dVal );
			}
			else
				dVal = p->nDouble;

			if( dVal > SbxMAXCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMAXCHAR;
			}
			else if( dVal < SbxMINCHAR )
			{
				SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMINCHAR;
			}
			else
				nRes = (BYTE) ImpRound( dVal );
			break;
			}
		case SbxBYREF | SbxSTRING:
		case SbxSTRING:
		case SbxLPSTR:
			if( !p->pString )
				nRes = 0;
			else
			{
				double d;
				SbxDataType t;
				if( ImpScan( *p->pString, d, t, NULL ) != SbxERR_OK )
					nRes = 0;
				else if( d > SbxMAXCHAR )
				{
					SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMAXCHAR;
				}
				else if( d < SbxMINCHAR )
				{
					SbxBase::SetError( SbxERR_OVERFLOW ); nRes = SbxMINCHAR;
				}
				else
					nRes = (xub_Unicode) ImpRound( d );
			}
			break;
		case SbxOBJECT:
		{
			SbxValue* pVal = PTR_CAST(SbxValue,p->pObj);
			if( pVal )
				nRes = pVal->GetChar();
			else
			{
				SbxBase::SetError( SbxERR_NO_OBJECT ); nRes = 0;
			}
			break;
		}

		case SbxBYREF | SbxCHAR:
			nRes = *p->pChar; break;
		// ab hier wird getestet
		case SbxBYREF | SbxBYTE:
			aTmp.nByte = *p->pByte; goto ref;
		case SbxBYREF | SbxINTEGER:
		case SbxBYREF | SbxBOOL:
			aTmp.nInteger = *p->pInteger; goto ref;
		case SbxBYREF | SbxLONG:
			aTmp.nLong = *p->pLong; goto ref;
		case SbxBYREF | SbxULONG:
			aTmp.nULong = *p->pULong; goto ref;
		case SbxBYREF | SbxERROR:
		case SbxBYREF | SbxUSHORT:
			aTmp.nUShort = *p->pUShort; 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 | SbxULONG64:
			aTmp.nULong64 = *p->pULong64; goto ref;
		case SbxBYREF | SbxLONG64:
		case SbxBYREF | SbxCURRENCY:
			aTmp.nLong64 = *p->pLong64; goto ref;
		case SbxBYREF | SbxSALINT64:
			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( SbxERR_CONVERSION ); nRes = 0;
	}
	return nRes;
}

void ImpPutChar( SbxValues* p, xub_Unicode n )
{
	SbxValues aTmp;
start:
	switch( +p->eType )
	{
		case SbxCHAR:
			p->nChar = n; break;
		case SbxINTEGER:
		case SbxBOOL:
			p->nInteger = n; break;
		case SbxLONG:
			p->nLong = n; break;
		case SbxSINGLE:
			p->nSingle = n; break;
		case SbxDATE:
		case SbxDOUBLE:
			p->nDouble = n; break;
		case SbxSALINT64:
			p->nInt64 = n; break;
		case SbxSALUINT64:
			p->uInt64 = n; break;
		case SbxULONG64:
			p->nULong64 = ImpDoubleToUINT64( (double)n ); break;
		case SbxLONG64:
			p->nLong64 = ImpDoubleToINT64( (double)n ); break;
		case SbxCURRENCY:
			p->nLong64 = ImpDoubleToCurrency( (double)n ); break;
		case SbxBYREF | SbxDECIMAL:
			ImpCreateDecimal( p )->setChar( n );
			break;

		// ab hier wird getestet
		case SbxBYTE:
			aTmp.pByte = &p->nByte; 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;

		case SbxBYREF | SbxSTRING:
		case SbxSTRING:
		case SbxLPSTR:
			if( !p->pString )
				p->pString = new XubString;
			*p->pString = n;
			break;
		case SbxOBJECT:
		{
			SbxValue* pVal = PTR_CAST(SbxValue,p->pObj);
			if( pVal )
				pVal->PutChar( n );
			else
				SbxBase::SetError( SbxERR_NO_OBJECT );
			break;
		}
		case SbxBYREF | SbxCHAR:
			*p->pChar = n; break;
		case SbxBYREF | SbxBYTE:
			*p->pByte = (BYTE) n; break;
		case SbxBYREF | SbxINTEGER:
		case SbxBYREF | SbxBOOL:
			*p->pInteger = n; break;
		case SbxBYREF | SbxERROR:
		case SbxBYREF | SbxUSHORT:
			*p->pUShort = (UINT16) n; break;
		case SbxBYREF | SbxLONG:
			*p->pLong = (INT32) n; break;
		case SbxBYREF | SbxULONG:
			*p->pULong = (UINT32) n; break;
		case SbxBYREF | SbxSINGLE:
			*p->pSingle = (float) n; break;
		case SbxBYREF | SbxDATE:
		case SbxBYREF | SbxDOUBLE:
			*p->pDouble = (double) n; break;
		case SbxBYREF | SbxSALINT64:
			*p->pnInt64 = n; break;
		case SbxBYREF | SbxSALUINT64:
			*p->puInt64 = n; break;
		case SbxBYREF | SbxULONG64:
			*p->pULong64 = ImpDoubleToUINT64( (double)n ); break;
		case SbxBYREF | SbxLONG64:
			*p->pLong64 = ImpDoubleToINT64( (double)n ); break;
		case SbxBYREF | SbxCURRENCY:
			*p->pLong64 = ImpDoubleToCurrency( (double)n ); break;

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

}
