/*************************************************************************
 *
 * 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: sbxdec.cxx,v $
 * $Revision: 1.7 $
 *
 * 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.
 *
 ************************************************************************/

#ifndef _ERRCODE_HXX //autogen
#include <tools/errcode.hxx>
#endif

#include "sbx.hxx"
#include "sbxconv.hxx"

#include <com/sun/star/bridge/oleautomation/Decimal.hpp>

namespace binfilter {

#ifdef WIN32
// int GnDecCounter = 0;
SbxDecimal::SbxDecimal( void )
{
      setInt( 0 );
      mnRefCount = 0;
      // GnDecCounter++;
}
#endif

SbxDecimal::SbxDecimal( const SbxDecimal& rDec )
{
#ifdef WIN32
	maDec = rDec.maDec;
#else
    (void)rDec;
#endif
	mnRefCount = 0;
	// GnDecCounter++;
}

SbxDecimal::~SbxDecimal()
{
	// GnDecCounter--;
}

void releaseDecimalPtr( SbxDecimal*& rpDecimal )
{
	if( rpDecimal )
	{
		rpDecimal->mnRefCount--;
		if( rpDecimal->mnRefCount == 0 )
		{
			delete rpDecimal;
			rpDecimal = NULL;
		}
	}
}

#ifdef WIN32

bool SbxDecimal::operator -= ( const SbxDecimal &r )
{
	HRESULT hResult = VarDecSub( &maDec, (LPDECIMAL)&r.maDec, &maDec );
	bool bRet = ( hResult == S_OK );
	return bRet;
}

bool SbxDecimal::operator += ( const SbxDecimal &r )
{
	HRESULT hResult = VarDecAdd( &maDec, (LPDECIMAL)&r.maDec, &maDec );
	bool bRet = ( hResult == S_OK );
	return bRet;
}

bool SbxDecimal::operator /= ( const SbxDecimal &r )
{
	HRESULT hResult = VarDecDiv( &maDec, (LPDECIMAL)&r.maDec, &maDec );
	bool bRet = ( hResult == S_OK );
	return bRet;
}

bool SbxDecimal::operator *= ( const SbxDecimal &r )
{
	HRESULT hResult = VarDecMul( &maDec, (LPDECIMAL)&r.maDec, &maDec );
	bool bRet = ( hResult == S_OK );
	return bRet;
}

bool SbxDecimal::neg( void )
{
	HRESULT hResult = VarDecNeg( &maDec, &maDec );
	bool bRet = ( hResult == S_OK );
	return bRet;
}

bool SbxDecimal::isZero( void )
{
	SbxDecimal aZeroDec;
	aZeroDec.setLong( 0 );
	bool bZero = ( EQ == compare( *this, aZeroDec ) );
	return bZero;
}

SbxDecimal::CmpResult compare( const SbxDecimal &rLeft, const SbxDecimal &rRight )
{
	HRESULT hResult = VarDecCmp( (LPDECIMAL)&rLeft.maDec, (LPDECIMAL)&rRight.maDec );
	SbxDecimal::CmpResult eRes = (SbxDecimal::CmpResult)hResult;
	return eRes;
}

void SbxDecimal::setChar( sal_Unicode val )
{
	VarDecFromUI2( (USHORT)val, &maDec );
}

void SbxDecimal::setByte( BYTE val )
{
	VarDecFromUI1( (BYTE)val, &maDec );
}

void SbxDecimal::setShort( INT16 val )
{
	VarDecFromI2( (short)val, &maDec );
}

void SbxDecimal::setLong( INT32 val )
{
	VarDecFromI4( (long)val, &maDec );
}

void SbxDecimal::setUShort( UINT16 val )
{
	VarDecFromUI2( (USHORT)val, &maDec );
}

void SbxDecimal::setULong( UINT32 val )
{
	VarDecFromUI4( (ULONG)val, &maDec );
}

bool SbxDecimal::setSingle( float val )
{
	bool bRet = ( VarDecFromR4( val, &maDec ) == S_OK );
	return bRet;
}

bool SbxDecimal::setDouble( double val )
{
	bool bRet = ( VarDecFromR8( val, &maDec ) == S_OK );
	return bRet;
}

void SbxDecimal::setInt( int val )
{
	setLong( (INT32)val );
}

void SbxDecimal::setUInt( unsigned int val )
{
	setULong( (UINT32)val );
}

// sbxscan.cxx
void ImpGetIntntlSep( sal_Unicode& rcDecimalSep, sal_Unicode& rcThousandSep );

bool SbxDecimal::setString( String* pString )
{
	static LCID nLANGID = MAKELANGID( LANG_ENGLISH, SUBLANG_ENGLISH_US );

	// Convert delimiter
	sal_Unicode cDecimalSep;
	sal_Unicode cThousandSep;
	ImpGetIntntlSep( cDecimalSep, cThousandSep );

	bool bRet = false;
	HRESULT hResult;
	if( cDecimalSep != '.' || cThousandSep != ',' )
	{
		int nLen = pString->Len();
		sal_Unicode* pBuffer = new sal_Unicode[nLen +  1];
		pBuffer[nLen] = 0;

		const sal_Unicode* pSrc = pString->GetBuffer();
		int i;
		for( i = 0 ; i < nLen ; ++i )
			pBuffer[i] = pSrc[i];

		sal_Unicode c;
		i = 0;
		while( (c = pBuffer[i]) != 0 )
		{
			if( c == cDecimalSep )
				pBuffer[i] = '.';
			else if( c == cThousandSep )
				pBuffer[i] = ',';
			i++;
		}
		hResult = VarDecFromStr( (OLECHAR*)pBuffer, nLANGID, 0, &maDec );
		delete pBuffer;
	}
	else
	{
		hResult = VarDecFromStr( (OLECHAR*)pString->GetBuffer(), nLANGID, 0, &maDec );
	}
	bRet = ( hResult == S_OK );
	return bRet;
}


bool SbxDecimal::getChar( sal_Unicode& rVal )
{
	bool bRet = ( VarUI2FromDec( &maDec, &rVal ) == S_OK );
	return bRet;
}

bool SbxDecimal::getShort( INT16& rVal )
{
	bool bRet = ( VarI2FromDec( &maDec, &rVal ) == S_OK );
	return bRet;
}

bool SbxDecimal::getLong( INT32& rVal )
{
	bool bRet = ( VarI4FromDec( &maDec, &rVal ) == S_OK );
	return bRet;
}

bool SbxDecimal::getUShort( UINT16& rVal )
{
	bool bRet = ( VarUI2FromDec( &maDec, &rVal ) == S_OK );
	return bRet;
}

bool SbxDecimal::getULong( UINT32& rVal )
{
	bool bRet = ( VarUI4FromDec( &maDec, &rVal ) == S_OK );
	return bRet;
}

bool SbxDecimal::getSingle( float& rVal )
{
	bool bRet = ( VarR4FromDec( &maDec, &rVal ) == S_OK );
	return bRet;
}

bool SbxDecimal::getDouble( double& rVal )
{
	bool bRet = ( VarR8FromDec( &maDec, &rVal ) == S_OK );
	return bRet;
}

bool SbxDecimal::getUInt( unsigned int& rVal )
{
	UINT32 TmpVal;
	bool bRet = getULong( TmpVal );
	rVal = TmpVal;
	return bRet;
}

#else
// !WIN32

bool SbxDecimal::operator -= ( const SbxDecimal &r )
{
    (void)r;
	return false;
}

bool SbxDecimal::operator += ( const SbxDecimal &r )
{
    (void)r;
	return false;
}

bool SbxDecimal::operator /= ( const SbxDecimal &r )
{
    (void)r;
	return false;
}

bool SbxDecimal::operator *= ( const SbxDecimal &r )
{
    (void)r;
	return false;
}

bool SbxDecimal::neg( void )
{
	return false;
}

bool SbxDecimal::isZero( void )
{
	return false;
}

SbxDecimal::CmpResult compare( const SbxDecimal &rLeft, const SbxDecimal &rRight )
{
    (void)rLeft;
    (void)rRight;
	return (SbxDecimal::CmpResult)0;
}

void SbxDecimal::setChar( sal_Unicode val )		{ (void)val; }
void SbxDecimal::setByte( BYTE val )			{ (void)val; }
void SbxDecimal::setLong( INT32 val )			{ (void)val; }
void SbxDecimal::setULong( UINT32 val )			{ (void)val; }
bool SbxDecimal::setSingle( float val )			{ (void)val; return false; }
bool SbxDecimal::setDouble( double val )		{ (void)val; return false; }
void SbxDecimal::setInt( int val )				{ (void)val; }
void SbxDecimal::setUInt( unsigned int val )	{ (void)val; }

bool SbxDecimal::getSingle( float& rVal )		{ (void)rVal; return false; }
bool SbxDecimal::getDouble( double& rVal )		{ (void)rVal; return false; }

#endif

#ifdef WIN32
bool SbxDecimal::getString( String& rString )
{
	static LCID nLANGID = MAKELANGID( LANG_ENGLISH, SUBLANG_ENGLISH_US );

	bool bRet = false;

	OLECHAR sz[100];
	BSTR aBStr = SysAllocString( sz );
	if( aBStr != NULL )
	{
		HRESULT hResult = VarBstrFromDec( &maDec, nLANGID, 0, &aBStr );
		bRet = ( hResult == S_OK );
		if( bRet )
		{
			// Convert delimiter
			sal_Unicode cDecimalSep;
			sal_Unicode cThousandSep;
			ImpGetIntntlSep( cDecimalSep, cThousandSep );

			if( cDecimalSep != '.' || cThousandSep != ',' )
			{
				sal_Unicode c;
				int i = 0;
				while( (c = aBStr[i]) != 0 )
				{
					if( c == '.' )
						aBStr[i] = cDecimalSep;
					else if( c == ',' )
						aBStr[i] = cThousandSep;
					i++;
				}
			}
			rString = reinterpret_cast<const sal_Unicode*>(aBStr);
		}

		SysFreeString( aBStr );
	}
	return bRet;
}
#endif

SbxDecimal* ImpCreateDecimal( SbxValues* p )
{
#ifdef WIN32
	if( !p )
		return NULL;

	SbxDecimal*& rpDecimal = p->pDecimal;
	if( rpDecimal == NULL )
	{
		rpDecimal = new SbxDecimal();
		rpDecimal->addRef();
	}
	return rpDecimal;
#else
    (void)p;
	return NULL;
#endif
}

SbxDecimal* ImpGetDecimal( const SbxValues* p )
{
#ifdef WIN32
	SbxValues aTmp;
	SbxDecimal* pnDecRes;

	SbxDataType eType = p->eType;
	if( eType == SbxDECIMAL && p->pDecimal )
	{
		pnDecRes = new SbxDecimal( *p->pDecimal );
		pnDecRes->addRef();
		return pnDecRes;
	}
	pnDecRes = new SbxDecimal();
	pnDecRes->addRef();

start:
	switch( +eType )
	{
		case SbxNULL:
			SbxBase::SetError( SbxERR_CONVERSION );
		case SbxEMPTY:
			pnDecRes->setShort( 0 ); break;
		case SbxCHAR:
			pnDecRes->setChar( p->nChar ); break;
		case SbxBYTE:
			pnDecRes->setByte( p->nByte ); break;
		case SbxINTEGER:
		case SbxBOOL:
			pnDecRes->setInt( p->nInteger ); break;
		case SbxERROR:
		case SbxUSHORT:
			pnDecRes->setUShort( p->nUShort ); break;
		case SbxLONG:
			pnDecRes->setLong( p->nLong ); break;
		case SbxULONG:
			pnDecRes->setULong( p->nULong ); break;
		case SbxSINGLE:
			if( !pnDecRes->setSingle( p->nSingle ) )
				SbxBase::SetError( SbxERR_OVERFLOW );
			break;
		case SbxSALINT64:
			{
				double d = (double)p->nInt64;
				pnDecRes->setDouble( d );
				break;
			}
		case SbxSALUINT64:
			{
				double d = ImpSalUInt64ToDouble( p->uInt64 );
				pnDecRes->setDouble( d );
				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( !pnDecRes->setDouble( dVal ) )
				SbxBase::SetError( SbxERR_OVERFLOW );
			break;
			}
		case SbxLPSTR:
		case SbxSTRING:
		case SbxBYREF | SbxSTRING:
			pnDecRes->setString( p->pString ); break;
		case SbxOBJECT:
		{
			SbxValue* pVal = PTR_CAST(SbxValue,p->pObj);
			if( pVal )
				pnDecRes->setDecimal( pVal->GetDecimal() );
			else
			{
				SbxBase::SetError( SbxERR_NO_OBJECT );
				pnDecRes->setShort( 0 );
			}
			break;
		}

		case SbxBYREF | SbxCHAR:
			pnDecRes->setChar( *p->pChar ); break;
		case SbxBYREF | SbxBYTE:
			pnDecRes->setByte( *p->pByte ); break;
		case SbxBYREF | SbxINTEGER:
		case SbxBYREF | SbxBOOL:
			pnDecRes->setInt( *p->pInteger ); break;
		case SbxBYREF | SbxLONG:
			pnDecRes->setLong( *p->pLong ); break;
		case SbxBYREF | SbxULONG:
			pnDecRes->setULong( *p->pULong ); break;
		case SbxBYREF | SbxERROR:
		case SbxBYREF | SbxUSHORT:
			pnDecRes->setUShort( *p->pUShort ); break;

		// ab hier muss getestet werden
		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 ); pnDecRes->setShort( 0 );
	}
	return pnDecRes;
#else
    (void)p;
    return NULL;
#endif
}


void ImpPutDecimal( SbxValues* p, SbxDecimal* pDec )
{
#ifdef WIN32
	if( !pDec )
		return;

	SbxValues aTmp;
start:
	switch( +p->eType )
	{
		// hier muss getestet werden
		case SbxCHAR:
			aTmp.pChar = &p->nChar; goto direct;
		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;
		case SbxSALUINT64:
			aTmp.puInt64 = &p->uInt64; goto direct;
		case SbxINTEGER:
		case SbxBOOL:
			aTmp.pInteger = &p->nInteger; goto direct;
		case SbxLONG:
			aTmp.pLong = &p->nLong; goto direct;
		case SbxSALINT64:
			aTmp.pnInt64 = &p->nInt64; goto direct;
		case SbxCURRENCY:
			aTmp.pLong64 = &p->nLong64; goto direct;
		direct:
			aTmp.eType = SbxDataType( p->eType | SbxBYREF );
			p = &aTmp; goto start;

		// ab hier nicht mehr
		case SbxDECIMAL:
		case SbxBYREF | SbxDECIMAL:
		{
			if( pDec != p->pDecimal )
			{
				releaseDecimalPtr( p->pDecimal );
				// if( p->pDecimal )
					// p->pDecimal->ReleaseRef();
				p->pDecimal = pDec;
				if( pDec )
					pDec->addRef();
			}
			break;
		}
		case SbxSINGLE:
		{
			float f;
			pDec->getSingle( f );
			p->nSingle = f;
			break;
		}
		case SbxDATE:
		case SbxDOUBLE:
		{
			double d;
			pDec->getDouble( d );
			p->nDouble = d;
			break;
		}
		case SbxULONG64:
		{
			double d;
			pDec->getDouble( d );
			p->nULong64 = ImpDoubleToUINT64( d );
			break;
		}
		case SbxLONG64:
		{
			double d;
			pDec->getDouble( d );
			p->nLong64 = ImpDoubleToINT64( d );
			break;
		}

		case SbxLPSTR:
		case SbxSTRING:
		case SbxBYREF | SbxSTRING:
			if( !p->pString )
				p->pString = new XubString;
			// ImpCvtNum( (double) n, 0, *p->pString );
			pDec->getString( *p->pString );
			break;
		case SbxOBJECT:
		{
			SbxValue* pVal = PTR_CAST(SbxValue,p->pObj);
			if( pVal )
				pVal->PutDecimal( pDec );
			else
				SbxBase::SetError( SbxERR_NO_OBJECT );
			break;
		}

		case SbxBYREF | SbxCHAR:
			if( !pDec->getChar( *p->pChar ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pChar = 0;
			}
			break;
		case SbxBYREF | SbxBYTE:
			if( !pDec->getChar( *p->pChar ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pByte = 0;
			}
			break;
		case SbxBYREF | SbxINTEGER:
		case SbxBYREF | SbxBOOL:
			if( !pDec->getShort( *p->pInteger ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pInteger = 0;
			}
			break;
			// *p->pInteger = n; break;
		case SbxBYREF | SbxERROR:
		case SbxBYREF | SbxUSHORT:
			if( !pDec->getUShort( *p->pUShort ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pUShort = 0;
			}
			break;
		case SbxBYREF | SbxLONG:
			if( !pDec->getLong( *p->pLong ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pLong = 0;
			}
			break;
		case SbxBYREF | SbxULONG:
			if( !pDec->getULong( *p->pULong ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pULong = 0;
			}
			break;
		case SbxBYREF | SbxSALINT64:
			{
			double d;
			if( !pDec->getDouble( d ) )
				SbxBase::SetError( SbxERR_OVERFLOW );
			else
				*p->pnInt64 = ImpDoubleToSalInt64( d );
			break;
			}
		case SbxBYREF | SbxSALUINT64:
			{
			double d;
			if( !pDec->getDouble( d ) )
				SbxBase::SetError( SbxERR_OVERFLOW );
			else
				*p->puInt64 = ImpDoubleToSalUInt64( d );
			break;
			}
		case SbxBYREF | SbxSINGLE:
			if( !pDec->getSingle( *p->pSingle ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pSingle = 0;
			}
			break;
			// *p->pSingle = (float) n; break;
		case SbxBYREF | SbxDATE:
		case SbxBYREF | SbxDOUBLE:
			if( !pDec->getDouble( *p->pDouble ) )
			{
				SbxBase::SetError( SbxERR_OVERFLOW );
				*p->pDouble = 0;
			}
			break;
		case SbxBYREF | SbxULONG64:
		{
			double d;
			pDec->getDouble( d );
			*p->pULong64 = ImpDoubleToUINT64( d );
			break;
		}
		case SbxBYREF | SbxLONG64:
		{
			double d;
			pDec->getDouble( d );
			*p->pLong64 = ImpDoubleToINT64( d );
			break;
		}
		case SbxBYREF | SbxCURRENCY:
		{
			double d;
			pDec->getDouble( d );
			*p->pLong64 = ImpDoubleToCurrency( d );
			break;
		}

		default:
			SbxBase::SetError( SbxERR_CONVERSION );
	}
#else
    (void)p;
    (void)pDec;
#endif
}

}

