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/*************************************************************************
*
* 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.
*
************************************************************************/
#ifndef _URP_MARSHAL_HXX_
#define _URP_MARSHAL_HXX_
#include <rtl/ustrbuf.hxx>
#include <rtl/byteseq.hxx>
#include <com/sun/star/uno/Type.hxx>
#include "urp_bridgeimpl.hxx"
#include "urp_marshal_decl.hxx"
#include <string.h>
struct remote_Interface;
namespace bridges_urp
{
// methods for accessing marshaling buffer
inline void Marshal::finish( sal_Int32 nMessageCount )
{
sal_Int32 nSize = getSize() - 2*sizeof( sal_Int32 );
// save the state
sal_Int8 *pos = m_pos;
m_pos = m_base;
packInt32( &nSize );
packInt32( &nMessageCount );
// reset the state
m_pos = pos;
}
inline void Marshal::restart()
{
m_pos = m_base + 2*sizeof( sal_Int32 );
}
inline sal_Int8 *Marshal::getBuffer()
{
return m_base;
}
inline sal_Bool Marshal::empty() const
{
return ( m_pos - m_base ) == 2*sizeof( sal_Int32 );
}
inline sal_Int32 Marshal::getSize()
{
return ((sal_Int32) (m_pos - m_base));
}
inline void Marshal::ensureAdditionalMem( sal_Int32 nMemToAdd )
{
sal_Int32 nDiff = m_pos - m_base;
if( nDiff + nMemToAdd > m_nBufferSize )
{
m_nBufferSize = m_nBufferSize * 2 > nDiff + nMemToAdd ?
m_nBufferSize* 2 :
nDiff + nMemToAdd;
m_base = ( sal_Int8 * ) rtl_reallocateMemory( m_base , m_nBufferSize );
m_pos = m_base + nDiff;
}
}
// marshaling methods
inline void Marshal::packInt8( void *pSource )
{
ensureAdditionalMem( 1 );
*m_pos = *((sal_Int8*) pSource );
m_pos++;
}
inline void Marshal::packInt16( void *pSource )
{
ensureAdditionalMem( 2 );
if( isSystemLittleEndian() )
{
m_pos[0] = ((unsigned char *)pSource)[1];
m_pos[1] = ((unsigned char *)pSource)[0];
}
else
{
m_pos[1] = ((unsigned char *)pSource)[1];
m_pos[0] = ((unsigned char *)pSource)[0];
}
m_pos +=2;
}
inline void Marshal::packByteSequence( sal_Int8 *pData , sal_Int32 nLength )
{
packCompressedSize( nLength );
ensureAdditionalMem( nLength );
memcpy( m_pos , pData , nLength );
m_pos += nLength;
}
inline void Marshal::packString( void *pSource )
{
rtl_uString *p = *( rtl_uString ** ) pSource;
// to be optimized !
// static buffer in marshal
::rtl::OString o = ::rtl::OUStringToOString( p , RTL_TEXTENCODING_UTF8 );
sal_Int32 nLength = o.pData->length;
packCompressedSize( nLength );
ensureAdditionalMem( nLength );
memcpy( m_pos , o.pData->buffer , nLength );
m_pos += nLength;
}
inline sal_Bool Marshal::packAny( void *pSource )
{
sal_Bool bSuccess = sal_True;
uno_Any *pAny = (uno_Any * ) pSource;
// pack the type
packType( &( pAny->pType ) );
// pack the value
typelib_TypeDescription *pType = 0;
TYPELIB_DANGER_GET( &pType, pAny->pType );
if( pType )
{
pack( pAny->pData , pType );
TYPELIB_DANGER_RELEASE( pType );
}
else
{
rtl::OUStringBuffer buf( 128 );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("couldn't get typedescription for type " ) );
buf.append( pAny->pType->pTypeName );
m_pBridgeImpl->addError( buf.makeStringAndClear() );
bSuccess = sal_False;
}
return bSuccess;
}
inline void Marshal::packInt32( void *pSource )
{
ensureAdditionalMem( 4 );
if( isSystemLittleEndian() )
{
m_pos[0] = ((unsigned char *)pSource)[3];
m_pos[1] = ((unsigned char *)pSource)[2];
m_pos[2] = ((unsigned char *)pSource)[1];
m_pos[3] = ((unsigned char *)pSource)[0];
}
else {
m_pos[3] = ((unsigned char *)pSource)[3];
m_pos[2] = ((unsigned char *)pSource)[2];
m_pos[1] = ((unsigned char *)pSource)[1];
m_pos[0] = ((unsigned char *)pSource)[0];
}
m_pos +=4;
}
inline void Marshal::packCompressedSize( sal_Int32 nSize )
{
ensureAdditionalMem( 5 );
if( nSize < 0xff )
{
*((sal_uInt8*)m_pos) = (sal_uInt8) nSize;
m_pos ++;
}
else
{
*((sal_uInt8*)m_pos) = 0xff;
m_pos ++;
packInt32( &nSize );
}
}
inline sal_Bool Marshal::pack( void *pSource , typelib_TypeDescription *pType )
{
sal_Bool bSuccess = sal_True;
switch( pType->eTypeClass )
{
case typelib_TypeClass_BYTE:
{
packInt8( pSource );
break;
}
case typelib_TypeClass_BOOLEAN:
{
ensureAdditionalMem( 1 );
*m_pos = ( *((sal_Bool*) pSource ) ) ? 1 : 0;
m_pos++;
break;
}
case typelib_TypeClass_CHAR:
case typelib_TypeClass_SHORT:
case typelib_TypeClass_UNSIGNED_SHORT:
{
packInt16( pSource );
break;
}
case typelib_TypeClass_ENUM:
case typelib_TypeClass_LONG:
case typelib_TypeClass_UNSIGNED_LONG:
case typelib_TypeClass_FLOAT:
{
packInt32( pSource );
break;
}
case typelib_TypeClass_DOUBLE:
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
{
ensureAdditionalMem( 8 );
if( isSystemLittleEndian() )
{
m_pos[0] = ((unsigned char *)pSource)[7];
m_pos[1] = ((unsigned char *)pSource)[6];
m_pos[2] = ((unsigned char *)pSource)[5];
m_pos[3] = ((unsigned char *)pSource)[4];
m_pos[4] = ((unsigned char *)pSource)[3];
m_pos[5] = ((unsigned char *)pSource)[2];
m_pos[6] = ((unsigned char *)pSource)[1];
m_pos[7] = ((unsigned char *)pSource)[0];
}
else
{
m_pos[7] = ((unsigned char *)pSource)[7];
m_pos[6] = ((unsigned char *)pSource)[6];
m_pos[5] = ((unsigned char *)pSource)[5];
m_pos[4] = ((unsigned char *)pSource)[4];
m_pos[3] = ((unsigned char *)pSource)[3];
m_pos[2] = ((unsigned char *)pSource)[2];
m_pos[1] = ((unsigned char *)pSource)[1];
m_pos[0] = ((unsigned char *)pSource)[0];
}
m_pos += 8;
break;
}
case typelib_TypeClass_STRING:
{
packString( pSource );
break;
}
case typelib_TypeClass_TYPE:
{
packType( pSource );
break;
}
case typelib_TypeClass_ANY:
{
bSuccess = packAny( pSource );
break;
}
case typelib_TypeClass_TYPEDEF:
{
bSuccess = sal_False;
m_pBridgeImpl->addError( "can't handle typedef typedescriptions" );
break;
}
case typelib_TypeClass_INTERFACE:
{
remote_Interface *pRemoteI = *( remote_Interface ** )pSource;
::rtl::OUString sOid;
sal_uInt16 nIndex = 0xffff;
if( pRemoteI )
{
m_callback( pRemoteI , &(sOid.pData) );
nIndex = m_pBridgeImpl->m_oidCacheOut.seek( sOid );
if( 0xffff == nIndex )
{
nIndex = m_pBridgeImpl->m_oidCacheOut.put( sOid );
}
else
{
// cached !
sOid = ::rtl::OUString();
}
}
packString( &sOid );
packInt16( &nIndex );
break;
}
case typelib_TypeClass_VOID:
{
// do nothing
break;
}
case typelib_TypeClass_EXCEPTION:
case typelib_TypeClass_STRUCT:
case typelib_TypeClass_SEQUENCE:
{
bSuccess = packRecursive( pSource, pType );
break;
}
default:
{
bSuccess = sal_False;
rtl::OUStringBuffer buf( 128 );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( "can't handle values with typeclass " ) );
buf.append( (sal_Int32 ) pType->eTypeClass , 10 );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( " (" ) );
buf.append( pType->pTypeName );
buf.appendAscii( RTL_CONSTASCII_STRINGPARAM( ")" ) );
m_pBridgeImpl->addError( buf.makeStringAndClear() );
break;
}
}
return bSuccess;
}
}
#endif
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