xref: /aoo41x/main/cppu/source/uno/copy.hxx (revision cdf0e10c)

/*************************************************************************
 *
 * 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 COPY_HXX
#define COPY_HXX

#include "prim.hxx"
#include "constr.hxx"


namespace cppu
{

//##################################################################################################
//#### copy construction ###########################################################################
//##################################################################################################

//------------------------------------------------------------------------------
inline uno_Sequence * allocSeq(
    sal_Int32 nElementSize, sal_Int32 nElements )
{
    OSL_ASSERT( nElements >= 0 && nElementSize >= 0 );
    uno_Sequence * pSeq = 0;
    sal_uInt32 nSize = calcSeqMemSize( nElementSize, nElements );
    if (nSize > 0)
    {
        pSeq = (uno_Sequence *) rtl_allocateMemory( nSize );
        if (pSeq != 0)
        {
            // header init
            pSeq->nRefCount = 1;
            pSeq->nElements = nElements;
        }
    }
    return pSeq;
}

//--------------------------------------------------------------------------------------------------
void copyConstructStruct(
	void * pDest, void * pSource,
	typelib_CompoundTypeDescription * pTypeDescr,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
	SAL_THROW ( () );
//--------------------------------------------------------------------------------------------------
inline void _copyConstructStruct(
	void * pDest, void * pSource,
	typelib_CompoundTypeDescription * pTypeDescr,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
	SAL_THROW ( () )
{
	if (pTypeDescr->pBaseTypeDescription)
	{
		// copy base value
		copyConstructStruct( pDest, pSource, pTypeDescr->pBaseTypeDescription, acquire, mapping );
	}

	// then copy members
	typelib_TypeDescriptionReference ** ppTypeRefs = pTypeDescr->ppTypeRefs;
	sal_Int32 * pMemberOffsets = pTypeDescr->pMemberOffsets;
	sal_Int32 nDescr = pTypeDescr->nMembers;

	if (mapping)
	{
		while (nDescr--)
		{
			::uno_type_copyAndConvertData(
                (char *)pDest + pMemberOffsets[nDescr],
                (char *)pSource + pMemberOffsets[nDescr],
                ppTypeRefs[nDescr], mapping );
		}
	}
	else
	{
		while (nDescr--)
		{
			::uno_type_copyData(
                (char *)pDest + pMemberOffsets[nDescr],
                (char *)pSource + pMemberOffsets[nDescr],
                ppTypeRefs[nDescr], acquire );
		}
	}
}
//--------------------------------------------------------------------------------------------------
inline void _copyConstructArray(
	void * pDest, void * pSource,
	typelib_ArrayTypeDescription * pTypeDescr,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
{
	typelib_TypeDescriptionReference * pElementTypeRef = ((typelib_IndirectTypeDescription *)pTypeDescr)->pType;
	typelib_TypeDescription * pElementTypeDescr = NULL;
	TYPELIB_DANGER_GET( &pElementTypeDescr, pElementTypeRef );
	sal_Int32 nElementSize = ((typelib_TypeDescription*)pElementTypeDescr)->nSize;
	TYPELIB_DANGER_RELEASE( pElementTypeDescr );
	sal_Int32 nTotalElements = pTypeDescr->nTotalElements;

	if (mapping)
	{
		for(sal_Int32 i = 0; i < nTotalElements; i++)
		{
			::uno_type_copyAndConvertData(
                (sal_Char *)pDest + i * nElementSize,
                (sal_Char *)pSource + i * nElementSize,
                pElementTypeRef, mapping );
		}
	}
	else
	{
		for(sal_Int32 i = 0; i < nTotalElements; i++)
		{
			::uno_type_copyData(
                (sal_Char *)pDest + (i * nElementSize),
                (sal_Char *)pSource + (i * nElementSize),
                pElementTypeRef, acquire );
		}
	}
}
//--------------------------------------------------------------------------------------------------
inline void _copyConstructUnion(
	void * pDest, void * pSource,
	typelib_TypeDescription * pTypeDescr,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
	SAL_THROW ( () )
{
	typelib_TypeDescriptionReference * pSetType = _unionGetSetType( pSource, pTypeDescr );
	if (mapping)
	{
		::uno_type_copyAndConvertData(
			(char *)pDest + ((typelib_UnionTypeDescription *)pTypeDescr)->nValueOffset,
			(char *)pSource + ((typelib_UnionTypeDescription *)pTypeDescr)->nValueOffset,
			pSetType, mapping );
	}
	else
	{
		::uno_type_copyData(
			(char *)pDest + ((typelib_UnionTypeDescription *)pTypeDescr)->nValueOffset,
			(char *)pSource + ((typelib_UnionTypeDescription *)pTypeDescr)->nValueOffset,
			pSetType, acquire );
	}
	*(sal_Int64 *)pDest = *(sal_Int64 *)pSource;
	typelib_typedescriptionreference_release( pSetType );
}

//------------------------------------------------------------------------------
uno_Sequence * copyConstructSequence(
	uno_Sequence * pSource,
	typelib_TypeDescriptionReference * pElementType,
	uno_AcquireFunc acquire, uno_Mapping * mapping );

//--------------------------------------------------------------------------------------------------
inline void _copyConstructAnyFromData(
	uno_Any * pDestAny, void * pSource,
	typelib_TypeDescriptionReference * pType, typelib_TypeDescription * pTypeDescr,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
	SAL_THROW ( () )
{
	TYPE_ACQUIRE( pType );
	pDestAny->pType = pType;

	switch (pType->eTypeClass)
	{
	case typelib_TypeClass_CHAR:
		pDestAny->pData = &pDestAny->pReserved;
		*(sal_Unicode *)&pDestAny->pReserved = *(sal_Unicode *)pSource;
		break;
	case typelib_TypeClass_BOOLEAN:
		pDestAny->pData = &pDestAny->pReserved;
		*(sal_Bool *)&pDestAny->pReserved = (*(sal_Bool *)pSource != sal_False);
		break;
	case typelib_TypeClass_BYTE:
		pDestAny->pData = &pDestAny->pReserved;
		*(sal_Int8 *)&pDestAny->pReserved = *(sal_Int8 *)pSource;
		break;
	case typelib_TypeClass_SHORT:
	case typelib_TypeClass_UNSIGNED_SHORT:
		pDestAny->pData = &pDestAny->pReserved;
		*(sal_Int16 *)&pDestAny->pReserved = *(sal_Int16 *)pSource;
		break;
	case typelib_TypeClass_LONG:
	case typelib_TypeClass_UNSIGNED_LONG:
		pDestAny->pData = &pDestAny->pReserved;
		*(sal_Int32 *)&pDestAny->pReserved = *(sal_Int32 *)pSource;
		break;
	case typelib_TypeClass_HYPER:
	case typelib_TypeClass_UNSIGNED_HYPER:
        if (sizeof(void *) >= sizeof(sal_Int64))
        {
            pDestAny->pData = &pDestAny->pReserved;
            *(sal_Int64 *)&pDestAny->pReserved = *(sal_Int64 *)pSource;
        }
        else
        {
            pDestAny->pData = ::rtl_allocateMemory( sizeof(sal_Int64) );
            *(sal_Int64 *)pDestAny->pData = *(sal_Int64 *)pSource;
        }
		break;
	case typelib_TypeClass_FLOAT:
        if (sizeof(void *) >= sizeof(float))
        {
            pDestAny->pData = &pDestAny->pReserved;
            *(float *)&pDestAny->pReserved = *(float *)pSource;
        }
        else
        {
            pDestAny->pData = ::rtl_allocateMemory( sizeof(float) );
            *(float *)pDestAny->pData = *(float *)pSource;
        }
		break;
	case typelib_TypeClass_DOUBLE:
        if (sizeof(void *) >= sizeof(double))
        {
            pDestAny->pData = &pDestAny->pReserved;
            *(double *)&pDestAny->pReserved = *(double *)pSource;
        }
        else
        {
            pDestAny->pData = ::rtl_allocateMemory( sizeof(double) );
            *(double *)pDestAny->pData = *(double *)pSource;
        }
		break;
	case typelib_TypeClass_STRING:
		::rtl_uString_acquire( *(rtl_uString **)pSource );
		pDestAny->pData = &pDestAny->pReserved;
		*(rtl_uString **)&pDestAny->pReserved = *(rtl_uString **)pSource;
		break;
	case typelib_TypeClass_TYPE:
		TYPE_ACQUIRE( *(typelib_TypeDescriptionReference **)pSource );
		pDestAny->pData = &pDestAny->pReserved;
		*(typelib_TypeDescriptionReference **)&pDestAny->pReserved = *(typelib_TypeDescriptionReference **)pSource;
		break;
	case typelib_TypeClass_ANY:
		OSL_ENSURE( 0, "### unexpected nested any!" );
		break;
	case typelib_TypeClass_ENUM:
		pDestAny->pData = &pDestAny->pReserved;
        // enum is forced to 32bit long
		*(sal_Int32 *)&pDestAny->pReserved = *(sal_Int32 *)pSource;
		break;
	case typelib_TypeClass_STRUCT:
	case typelib_TypeClass_EXCEPTION:
		if (pTypeDescr)
		{
			pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
			_copyConstructStruct(
				pDestAny->pData, pSource,
				(typelib_CompoundTypeDescription *)pTypeDescr,
				acquire, mapping );
		}
		else
		{
			TYPELIB_DANGER_GET( &pTypeDescr, pType );
			pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
			_copyConstructStruct(
				pDestAny->pData, pSource,
				(typelib_CompoundTypeDescription *)pTypeDescr,
				acquire, mapping );
			TYPELIB_DANGER_RELEASE( pTypeDescr );
		}
		break;
	case typelib_TypeClass_ARRAY:
		if (pTypeDescr)
		{
			pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
			_copyConstructArray(
				pDestAny->pData, pSource,
				(typelib_ArrayTypeDescription *)pTypeDescr,
				acquire, mapping );
		}
		else
		{
			TYPELIB_DANGER_GET( &pTypeDescr, pType );
			pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
			_copyConstructArray(
				pDestAny->pData, pSource,
				(typelib_ArrayTypeDescription *)pTypeDescr,
				acquire, mapping );
			TYPELIB_DANGER_RELEASE( pTypeDescr );
		}
		break;
	case typelib_TypeClass_UNION:
		if (pTypeDescr)
		{
			pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
			_copyConstructUnion( pDestAny->pData, pSource, pTypeDescr, acquire, mapping );
		}
		else
		{
			TYPELIB_DANGER_GET( &pTypeDescr, pType );
			pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
			_copyConstructUnion( pDestAny->pData, pSource, pTypeDescr, acquire, mapping );
			TYPELIB_DANGER_RELEASE( pTypeDescr );
		}
		break;
	case typelib_TypeClass_SEQUENCE:
		pDestAny->pData = &pDestAny->pReserved;
		if (pTypeDescr)
		{
			*(uno_Sequence **)&pDestAny->pReserved = copyConstructSequence(
				*(uno_Sequence **)pSource,
				((typelib_IndirectTypeDescription *)pTypeDescr)->pType,
				acquire, mapping );
		}
		else
		{
			TYPELIB_DANGER_GET( &pTypeDescr, pType );
			*(uno_Sequence **)&pDestAny->pReserved = copyConstructSequence(
				*(uno_Sequence **)pSource,
				((typelib_IndirectTypeDescription *)pTypeDescr)->pType,
				acquire, mapping );
			TYPELIB_DANGER_RELEASE( pTypeDescr );
		}
		break;
	case typelib_TypeClass_INTERFACE:
		pDestAny->pData = &pDestAny->pReserved;
		if (mapping)
		{
			pDestAny->pReserved = _map( *(void **)pSource, pType, pTypeDescr, mapping );
		}
		else
		{
			_acquire( pDestAny->pReserved = *(void **)pSource, acquire );
		}
		break;
    default:
        OSL_ASSERT(false);
        break;
	}
}
//--------------------------------------------------------------------------------------------------
inline void _copyConstructAny(
	uno_Any * pDestAny, void * pSource,
	typelib_TypeDescriptionReference * pType, typelib_TypeDescription * pTypeDescr,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
	SAL_THROW ( () )
{
	if (typelib_TypeClass_VOID == pType->eTypeClass)
	{
		CONSTRUCT_EMPTY_ANY( pDestAny );
	}
	else
	{
		if (typelib_TypeClass_ANY == pType->eTypeClass)
		{
			if (pSource)
			{
				pType = ((uno_Any *)pSource)->pType;
				if (typelib_TypeClass_VOID == pType->eTypeClass)
				{
					CONSTRUCT_EMPTY_ANY( pDestAny );
					return;
				}
				pTypeDescr = 0;
				pSource = ((uno_Any *)pSource)->pData;
			}
			else
			{
				CONSTRUCT_EMPTY_ANY( pDestAny );
				return;
			}
		}
		if (pSource)
		{
			_copyConstructAnyFromData( pDestAny, pSource, pType, pTypeDescr, acquire, mapping );
		}
		else // default construct
		{
			TYPE_ACQUIRE( pType );
			pDestAny->pType = pType;
			switch (pType->eTypeClass)
			{
			case typelib_TypeClass_CHAR:
				pDestAny->pData = &pDestAny->pReserved;
				*(sal_Unicode *)&pDestAny->pReserved = '\0';
				break;
			case typelib_TypeClass_BOOLEAN:
				pDestAny->pData = &pDestAny->pReserved;
				*(sal_Bool *)&pDestAny->pReserved = sal_False;
				break;
			case typelib_TypeClass_BYTE:
				pDestAny->pData = &pDestAny->pReserved;
				*(sal_Int8 *)&pDestAny->pReserved = 0;
				break;
			case typelib_TypeClass_SHORT:
			case typelib_TypeClass_UNSIGNED_SHORT:
				pDestAny->pData = &pDestAny->pReserved;
				*(sal_Int16 *)&pDestAny->pReserved = 0;
				break;
			case typelib_TypeClass_LONG:
			case typelib_TypeClass_UNSIGNED_LONG:
				pDestAny->pData = &pDestAny->pReserved;
				*(sal_Int32 *)&pDestAny->pReserved = 0;
				break;
			case typelib_TypeClass_HYPER:
			case typelib_TypeClass_UNSIGNED_HYPER:
                if (sizeof(void *) >= sizeof(sal_Int64))
                {
                    pDestAny->pData = &pDestAny->pReserved;
                    *(sal_Int64 *)&pDestAny->pReserved = 0;
                }
                else
                {
                    pDestAny->pData = ::rtl_allocateMemory( sizeof(sal_Int64) );
                    *(sal_Int64 *)pDestAny->pData = 0;
                }
				break;
			case typelib_TypeClass_FLOAT:
                if (sizeof(void *) >= sizeof(float))
                {
                    pDestAny->pData = &pDestAny->pReserved;
                    *(float *)&pDestAny->pReserved = 0.0;
                }
                else
                {
                    pDestAny->pData = ::rtl_allocateMemory( sizeof(float) );
                    *(float *)pDestAny->pData = 0.0;
                }
				break;
			case typelib_TypeClass_DOUBLE:
                if (sizeof(void *) >= sizeof(double))
                {
                    pDestAny->pData = &pDestAny->pReserved;
                    *(double *)&pDestAny->pReserved = 0.0;
                }
                else
                {
                    pDestAny->pData = ::rtl_allocateMemory( sizeof(double) );
                    *(double *)pDestAny->pData = 0.0;
                }
				break;
			case typelib_TypeClass_STRING:
				pDestAny->pData = &pDestAny->pReserved;
				*(rtl_uString **)&pDestAny->pReserved = 0;
				::rtl_uString_new( (rtl_uString **)&pDestAny->pReserved );
				break;
			case typelib_TypeClass_TYPE:
				pDestAny->pData = &pDestAny->pReserved;
				*(typelib_TypeDescriptionReference **)&pDestAny->pReserved = _getVoidType();
				break;
			case typelib_TypeClass_ENUM:
				pDestAny->pData = &pDestAny->pReserved;
				if (pTypeDescr)
				{
					*(sal_Int32 *)&pDestAny->pReserved = ((typelib_EnumTypeDescription *)pTypeDescr)->nDefaultEnumValue;
				}
				else
				{
					TYPELIB_DANGER_GET( &pTypeDescr, pType );
					*(sal_Int32 *)&pDestAny->pReserved = ((typelib_EnumTypeDescription *)pTypeDescr)->nDefaultEnumValue;
					TYPELIB_DANGER_RELEASE( pTypeDescr );
				}
				break;
			case typelib_TypeClass_STRUCT:
			case typelib_TypeClass_EXCEPTION:
				if (pTypeDescr)
				{
					pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
					_defaultConstructStruct(
						pDestAny->pData, (typelib_CompoundTypeDescription *)pTypeDescr );
				}
				else
				{
					TYPELIB_DANGER_GET( &pTypeDescr, pType );
					pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
					_defaultConstructStruct(
						pDestAny->pData, (typelib_CompoundTypeDescription *)pTypeDescr );
					TYPELIB_DANGER_RELEASE( pTypeDescr );
				}
				break;
			case typelib_TypeClass_ARRAY:
				if (pTypeDescr)
				{
					pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
					_defaultConstructArray(
						pDestAny->pData, (typelib_ArrayTypeDescription *)pTypeDescr );
				}
				else
				{
					TYPELIB_DANGER_GET( &pTypeDescr, pType );
					pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
					_defaultConstructArray(
						pDestAny->pData, (typelib_ArrayTypeDescription *)pTypeDescr );
					TYPELIB_DANGER_RELEASE( pTypeDescr );
				}
				break;
			case typelib_TypeClass_UNION:
				if (pTypeDescr)
				{
					pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
					_defaultConstructUnion( pDestAny->pData, pTypeDescr );
				}
				else
				{
					TYPELIB_DANGER_GET( &pTypeDescr, pType );
					pDestAny->pData = ::rtl_allocateMemory( pTypeDescr->nSize );
					_defaultConstructUnion( pDestAny->pData, pTypeDescr );
					TYPELIB_DANGER_RELEASE( pTypeDescr );
				}
				break;
			case typelib_TypeClass_SEQUENCE:
				pDestAny->pData = &pDestAny->pReserved;
				*(uno_Sequence **)&pDestAny->pReserved = createEmptySequence();
				break;
			case typelib_TypeClass_INTERFACE:
				pDestAny->pData = &pDestAny->pReserved;
				pDestAny->pReserved = 0; // either cpp or c-uno interface
				break;
            default:
                OSL_ASSERT(false);
                break;
			}
		}
	}
}
//------------------------------------------------------------------------------
inline uno_Sequence * icopyConstructSequence(
	uno_Sequence * pSource,
	typelib_TypeDescriptionReference * pElementType,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
{
	typelib_TypeClass eTypeClass = pElementType->eTypeClass;
	if (!mapping ||
        (eTypeClass <= typelib_TypeClass_ENUM &&
         eTypeClass != typelib_TypeClass_ANY))
	{
		::osl_incrementInterlockedCount( &pSource->nRefCount );
		return pSource;
	}
	else // create new sequence
	{
		uno_Sequence * pDest;
		sal_Int32 nElements = pSource->nElements;
		if (nElements)
		{
			switch (eTypeClass)
			{
			case typelib_TypeClass_ANY:
			{
				pDest = allocSeq( sizeof (uno_Any), nElements );
                if (pDest != 0)
                {
                    uno_Any * pDestElements = (uno_Any *)pDest->elements;
                    uno_Any * pSourceElements = (uno_Any *)pSource->elements;
                    for ( sal_Int32 nPos = nElements; nPos--; )
                    {
                        typelib_TypeDescriptionReference * pType =
                            pSourceElements[nPos].pType;
                        if (typelib_TypeClass_VOID == pType->eTypeClass)
                        {
                            CONSTRUCT_EMPTY_ANY( &pDestElements[nPos] );
                        }
                        else
                        {
                            _copyConstructAnyFromData(
                                &pDestElements[nPos],
                                pSourceElements[nPos].pData,
                                pType, 0,
                                acquire, mapping );
                        }
                    }
				}
				break;
			}
			case typelib_TypeClass_STRUCT:
			case typelib_TypeClass_EXCEPTION:
			{
				typelib_TypeDescription * pElementTypeDescr = 0;
				TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
				sal_Int32 nElementSize = pElementTypeDescr->nSize;
				char * pSourceElements = pSource->elements;
				pDest = allocSeq( nElementSize, nElements );
                if (pDest != 0)
                {
                    char * pElements = pDest->elements;
                    for ( sal_Int32 nPos = nElements; nPos--; )
                    {
                        _copyConstructStruct(
                            pElements + (nPos * nElementSize),
                            pSourceElements + (nPos * nElementSize),
                            (typelib_CompoundTypeDescription *)
                            pElementTypeDescr,
                            acquire, mapping );
                    }
                }
				TYPELIB_DANGER_RELEASE( pElementTypeDescr );
				break;
			}
			case typelib_TypeClass_ARRAY:
			{
				typelib_TypeDescription * pElementTypeDescr = 0;
				TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
				sal_Int32 nElementSize = pElementTypeDescr->nSize;
				char * pSourceElements = pSource->elements;
				pDest = allocSeq( nElementSize, nElements );
                if (pDest != 0)
                {
                    char * pElements = pDest->elements;
                    for ( sal_Int32 nPos = nElements; nPos--; )
                    {
                        _copyConstructArray(
                            pElements + (nPos * nElementSize),
                            pSourceElements + (nPos * nElementSize),
                            (typelib_ArrayTypeDescription *)pElementTypeDescr,
                            acquire, mapping );
                    }
                }
				TYPELIB_DANGER_RELEASE( pElementTypeDescr );
				break;
			}
			case typelib_TypeClass_UNION:
			{
				typelib_TypeDescription * pElementTypeDescr = 0;
				TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
				sal_Int32 nElementSize = pElementTypeDescr->nSize;
				sal_Int32 nValueOffset =
                    ((typelib_UnionTypeDescription *)
                     pElementTypeDescr)->nValueOffset;
				pDest = allocSeq( nElementSize, nElements );
                if (pDest != 0)
                {
                    char * pElements = pDest->elements;
                    char * pSourceElements = pSource->elements;
                    for ( sal_Int32 nPos = nElements; nPos--; )
                    {
                        char * pDest2 =
                            pElements + (nPos * nElementSize);
                        char * pSource2 =
                            pSourceElements + (nPos * nElementSize);

                        typelib_TypeDescriptionReference * pSetType =
                            _unionGetSetType( pSource2, pElementTypeDescr );
                        ::uno_type_copyAndConvertData(
                            pDest2 + nValueOffset, pSource2 + nValueOffset,
                            pSetType, mapping );
                        *(sal_Int64 *)pDest2 = *(sal_Int64 *)pSource2;
                        ::typelib_typedescriptionreference_release( pSetType );
                    }
                }
				TYPELIB_DANGER_RELEASE( pElementTypeDescr );
				break;
			}
			case typelib_TypeClass_SEQUENCE: // sequence of sequence
			{
				pDest = allocSeq( sizeof (uno_Sequence *), nElements );
                if (pDest != 0)
                {
                    typelib_TypeDescription * pElementTypeDescr = 0;
                    TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
                    typelib_TypeDescriptionReference * pSeqElementType =
                        ((typelib_IndirectTypeDescription *)
                         pElementTypeDescr)->pType;

                    uno_Sequence ** pDestElements =
                        (uno_Sequence **) pDest->elements;
                    uno_Sequence ** pSourceElements =
                        (uno_Sequence **) pSource->elements;
                    for ( sal_Int32 nPos = nElements; nPos--; )
                    {
                        uno_Sequence * pNew = copyConstructSequence(
                            pSourceElements[nPos],
                            pSeqElementType,
                            acquire, mapping );
                        OSL_ASSERT( pNew != 0 );
                        // ought never be a memory allocation problem,
                        // because of reference counted sequence handles
                        pDestElements[ nPos ] = pNew;
                    }

                    TYPELIB_DANGER_RELEASE( pElementTypeDescr );
                }
				break;
			}
			case typelib_TypeClass_INTERFACE:
			{
				pDest = allocSeq( sizeof (void *), nElements );
                if (pDest != 0)
                {
                    char * pElements = pDest->elements;
                    void ** pSourceElements = (void **)pSource->elements;
                    if (mapping)
                    {
                        typelib_TypeDescription * pElementTypeDescr = 0;
                        TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType );
                        for ( sal_Int32 nPos = nElements; nPos--; )
                        {
                            ((void **)pElements)[nPos] = 0;
                            if (((void **)pSourceElements)[nPos])
                            {
                                (*mapping->mapInterface)(
                                    mapping, (void **)pElements + nPos,
                                    pSourceElements[nPos],
                                    (typelib_InterfaceTypeDescription *)
                                    pElementTypeDescr );
                            }
                        }
                        TYPELIB_DANGER_RELEASE( pElementTypeDescr );
                    }
                    else
                    {
                        for ( sal_Int32 nPos = nElements; nPos--; )
                        {
                            ((void **)pElements)[nPos] = pSourceElements[nPos];
                            _acquire( ((void **)pElements)[nPos], acquire );
                        }
                    }
				}
				break;
			}
			default:
                OSL_ENSURE( 0, "### unexepcted sequence element type!" );
                pDest = 0;
				break;
			}
		}
		else // empty sequence
		{
            pDest = allocSeq( 0, 0 );
		}

		return pDest;
	}
}

//--------------------------------------------------------------------------------------------------
inline void _copyConstructData(
	void * pDest, void * pSource,
	typelib_TypeDescriptionReference * pType, typelib_TypeDescription * pTypeDescr,
	uno_AcquireFunc acquire, uno_Mapping * mapping )
	SAL_THROW ( () )
{
	switch (pType->eTypeClass)
	{
	case typelib_TypeClass_CHAR:
		*(sal_Unicode *)pDest = *(sal_Unicode *)pSource;
		break;
	case typelib_TypeClass_BOOLEAN:
		*(sal_Bool *)pDest = (*(sal_Bool *)pSource != sal_False);
		break;
	case typelib_TypeClass_BYTE:
		*(sal_Int8 *)pDest = *(sal_Int8 *)pSource;
		break;
	case typelib_TypeClass_SHORT:
	case typelib_TypeClass_UNSIGNED_SHORT:
		*(sal_Int16 *)pDest = *(sal_Int16 *)pSource;
		break;
	case typelib_TypeClass_LONG:
	case typelib_TypeClass_UNSIGNED_LONG:
		*(sal_Int32 *)pDest = *(sal_Int32 *)pSource;
		break;
	case typelib_TypeClass_HYPER:
	case typelib_TypeClass_UNSIGNED_HYPER:
		*(sal_Int64 *)pDest = *(sal_Int64 *)pSource;
		break;
	case typelib_TypeClass_FLOAT:
		*(float *)pDest = *(float *)pSource;
		break;
	case typelib_TypeClass_DOUBLE:
		*(double *)pDest = *(double *)pSource;
		break;
	case typelib_TypeClass_STRING:
		::rtl_uString_acquire( *(rtl_uString **)pSource );
		*(rtl_uString **)pDest = *(rtl_uString **)pSource;
		break;
	case typelib_TypeClass_TYPE:
		TYPE_ACQUIRE( *(typelib_TypeDescriptionReference **)pSource );
		*(typelib_TypeDescriptionReference **)pDest = *(typelib_TypeDescriptionReference **)pSource;
		break;
	case typelib_TypeClass_ANY:
		_copyConstructAny(
			(uno_Any *)pDest, ((uno_Any *)pSource)->pData,
			((uno_Any *)pSource)->pType, 0,
			acquire, mapping );
		break;
	case typelib_TypeClass_ENUM:
		*(sal_Int32 *)pDest = *(sal_Int32 *)pSource;
		break;
	case typelib_TypeClass_STRUCT:
	case typelib_TypeClass_EXCEPTION:
		if (pTypeDescr)
		{
			_copyConstructStruct(
				pDest, pSource,
				(typelib_CompoundTypeDescription *)pTypeDescr,
				acquire, mapping );
		}
		else
		{
			TYPELIB_DANGER_GET( &pTypeDescr, pType );
			_copyConstructStruct(
				pDest, pSource,
				(typelib_CompoundTypeDescription *)pTypeDescr,
				acquire, mapping );
			TYPELIB_DANGER_RELEASE( pTypeDescr );
		}
		break;
	case typelib_TypeClass_ARRAY:
		if (pTypeDescr)
		{
			_copyConstructArray(
				pDest, pSource,
				(typelib_ArrayTypeDescription *)pTypeDescr,
				acquire, mapping );
		}
		else
		{
			TYPELIB_DANGER_GET( &pTypeDescr, pType );
			_copyConstructArray(
				pDest, pSource,
				(typelib_ArrayTypeDescription *)pTypeDescr,
				acquire, mapping );
			TYPELIB_DANGER_RELEASE( pTypeDescr );
		}
		break;
	case typelib_TypeClass_UNION:
		if (pTypeDescr)
		{
			_copyConstructUnion( pDest, pSource, pTypeDescr, acquire, mapping );
		}
		else
		{
			TYPELIB_DANGER_GET( &pTypeDescr, pType );
			_copyConstructUnion( pDest, pSource, pTypeDescr, acquire, mapping );
			TYPELIB_DANGER_RELEASE( pTypeDescr );
		}
		break;
	case typelib_TypeClass_SEQUENCE:
		if (mapping)
		{
			if (pTypeDescr)
			{
				*(uno_Sequence **)pDest = icopyConstructSequence(
					*(uno_Sequence **)pSource,
					((typelib_IndirectTypeDescription *)pTypeDescr)->pType,
					acquire, mapping );
			}
			else
			{
				TYPELIB_DANGER_GET( &pTypeDescr, pType );
				*(uno_Sequence **)pDest = icopyConstructSequence(
					*(uno_Sequence **)pSource,
					((typelib_IndirectTypeDescription *)pTypeDescr)->pType,
					acquire, mapping );
				TYPELIB_DANGER_RELEASE( pTypeDescr );
			}
		}
		else
		{
			::osl_incrementInterlockedCount( &(*(uno_Sequence **)pSource)->nRefCount );
			*(uno_Sequence **)pDest = *(uno_Sequence **)pSource;
		}
		break;
	case typelib_TypeClass_INTERFACE:
		if (mapping)
			*(void **)pDest = _map( *(void **)pSource, pType, pTypeDescr, mapping );
		else
			_acquire( *(void **)pDest = *(void **)pSource, acquire );
		break;
    default:
        break;
	}
}

}

#endif