460 lines
16 KiB
C++
460 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_CPPU_SOURCE_UNO_ASSIGN_HXX
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#define INCLUDED_CPPU_SOURCE_UNO_ASSIGN_HXX
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#include <string.h>
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#include "prim.hxx"
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#include "destr.hxx"
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#include "constr.hxx"
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#include "copy.hxx"
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namespace cppu
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{
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//#### assignment ##################################################################################
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inline void _assignInterface(
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void ** ppDest, void * pSource,
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uno_AcquireFunc acquire, uno_ReleaseFunc release )
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{
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_acquire( pSource, acquire );
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void * const pToBeReleased = *ppDest;
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*ppDest = pSource;
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_release( pToBeReleased, release );
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}
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inline void * _queryInterface(
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void * pSource,
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typelib_TypeDescriptionReference * pDestType,
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uno_QueryInterfaceFunc queryInterface )
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{
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if (pSource)
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{
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if (0 == queryInterface)
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queryInterface = binuno_queryInterface;
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pSource = (*queryInterface)( pSource, pDestType );
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}
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return pSource;
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}
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bool assignStruct(
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void * pDest, void * pSource,
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typelib_CompoundTypeDescription * pTypeDescr,
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uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release );
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inline bool _assignStruct(
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void * pDest, void * pSource,
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typelib_CompoundTypeDescription * pTypeDescr,
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uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release )
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{
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if (pTypeDescr->pBaseTypeDescription)
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{
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// copy base value
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if (! assignStruct( pDest, pSource, pTypeDescr->pBaseTypeDescription,
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queryInterface, acquire, release ))
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{
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return false;
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}
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}
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// then copy members
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typelib_TypeDescriptionReference ** ppTypeRefs = pTypeDescr->ppTypeRefs;
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sal_Int32 * pMemberOffsets = pTypeDescr->pMemberOffsets;
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sal_Int32 nDescr = pTypeDescr->nMembers;
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while (nDescr--)
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{
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if (! ::uno_type_assignData( (char *)pDest + pMemberOffsets[nDescr],
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ppTypeRefs[nDescr],
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(char *)pSource + pMemberOffsets[nDescr],
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ppTypeRefs[nDescr],
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queryInterface, acquire, release ))
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{
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return false;
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}
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}
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return true;
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}
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inline bool _assignData(
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void * pDest,
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typelib_TypeDescriptionReference * pDestType, typelib_TypeDescription * pDestTypeDescr,
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void * pSource,
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typelib_TypeDescriptionReference * pSourceType, typelib_TypeDescription * pSourceTypeDescr,
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uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release )
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{
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if (pDest == pSource)
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return _type_equals( pDestType, pSourceType );
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if (! pSource)
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{
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_destructData( pDest, pDestType, pDestTypeDescr, release );
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_defaultConstructData( pDest, pDestType, pDestTypeDescr );
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return true;
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}
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while (typelib_TypeClass_ANY == pSourceType->eTypeClass)
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{
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pSourceTypeDescr = 0;
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pSourceType = ((uno_Any *)pSource)->pType;
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pSource = ((uno_Any *)pSource)->pData;
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if (pDest == pSource)
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return true;
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}
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switch (pDestType->eTypeClass)
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{
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case typelib_TypeClass_VOID:
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return pSourceType->eTypeClass == typelib_TypeClass_VOID;
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case typelib_TypeClass_CHAR:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_CHAR:
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*(sal_Unicode *)pDest = *(sal_Unicode *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_BOOLEAN:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BOOLEAN:
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*(sal_Bool *)pDest = (*(sal_Bool *)pSource != sal_False);
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_BYTE:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(sal_Int8 *)pDest = *(sal_Int8 *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_SHORT:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(sal_Int16 *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(sal_Int16 *)pDest = *(sal_Int16 *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_UNSIGNED_SHORT:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(sal_uInt16 *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(sal_uInt16 *)pDest = *(sal_uInt16 *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_LONG:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(sal_Int32 *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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*(sal_Int32 *)pDest = *(sal_Int16 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(sal_Int32 *)pDest = *(sal_uInt16 *)pSource;
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return true;
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case typelib_TypeClass_LONG:
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case typelib_TypeClass_UNSIGNED_LONG:
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*(sal_Int32 *)pDest = *(sal_Int32 *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_UNSIGNED_LONG:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(sal_uInt32 *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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*(sal_uInt32 *)pDest = *(sal_Int16 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(sal_uInt32 *)pDest = *(sal_uInt16 *)pSource;
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return true;
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case typelib_TypeClass_LONG:
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case typelib_TypeClass_UNSIGNED_LONG:
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*(sal_uInt32 *)pDest = *(sal_uInt32 *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_HYPER:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(sal_Int64 *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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*(sal_Int64 *)pDest = *(sal_Int16 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(sal_Int64 *)pDest = *(sal_uInt16 *)pSource;
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return true;
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case typelib_TypeClass_LONG:
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*(sal_Int64 *)pDest = *(sal_Int32 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_LONG:
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*(sal_Int64 *)pDest = *(sal_uInt32 *)pSource;
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return true;
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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*(sal_Int64 *)pDest = *(sal_Int64 *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_UNSIGNED_HYPER:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(sal_uInt64 *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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*(sal_uInt64 *)pDest = *(sal_Int16 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(sal_uInt64 *)pDest = *(sal_uInt16 *)pSource;
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return true;
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case typelib_TypeClass_LONG:
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*(sal_uInt64 *)pDest = *(sal_Int32 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_LONG:
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*(sal_uInt64 *)pDest = *(sal_uInt32 *)pSource;
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return true;
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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*(sal_uInt64 *)pDest = *(sal_uInt64 *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_FLOAT:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(float *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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*(float *)pDest = *(sal_Int16 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(float *)pDest = *(sal_uInt16 *)pSource;
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return true;
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case typelib_TypeClass_FLOAT:
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*(float *)pDest = *(float *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_DOUBLE:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_BYTE:
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*(double *)pDest = *(sal_Int8 *)pSource;
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return true;
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case typelib_TypeClass_SHORT:
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*(double *)pDest = *(sal_Int16 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_SHORT:
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*(double *)pDest = *(sal_uInt16 *)pSource;
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return true;
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case typelib_TypeClass_LONG:
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*(double *)pDest = *(sal_Int32 *)pSource;
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return true;
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case typelib_TypeClass_UNSIGNED_LONG:
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*(double *)pDest = *(sal_uInt32 *)pSource;
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return true;
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case typelib_TypeClass_FLOAT:
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*(double *)pDest = *(float *)pSource;
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return true;
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case typelib_TypeClass_DOUBLE:
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*(double *)pDest = *(double *)pSource;
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_STRING:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_STRING:
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::rtl_uString_assign( (rtl_uString **)pDest, *(rtl_uString **)pSource );
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return true;
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default:
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return false;
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}
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case typelib_TypeClass_TYPE:
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switch (pSourceType->eTypeClass)
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{
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case typelib_TypeClass_TYPE:
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{
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typelib_TypeDescriptionReference ** pp = (typelib_TypeDescriptionReference **)pDest;
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::typelib_typedescriptionreference_release( *pp );
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*pp = *(typelib_TypeDescriptionReference **)pSource;
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TYPE_ACQUIRE( *pp );
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return true;
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}
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default:
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return false;
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}
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case typelib_TypeClass_ANY:
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_destructAny( (uno_Any *)pDest, release );
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_copyConstructAny( (uno_Any *)pDest, pSource, pSourceType, pSourceTypeDescr, acquire, 0 );
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return true;
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case typelib_TypeClass_ENUM:
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if (_type_equals( pDestType, pSourceType ))
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{
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*(sal_Int32 *)pDest = *(sal_Int32 *)pSource;
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return true;
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}
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return false;
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case typelib_TypeClass_STRUCT:
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case typelib_TypeClass_EXCEPTION:
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if (typelib_TypeClass_STRUCT == pSourceType->eTypeClass ||
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typelib_TypeClass_EXCEPTION == pSourceType->eTypeClass)
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{
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bool bRet = false;
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if (pSourceTypeDescr)
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{
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typelib_CompoundTypeDescription * pTypeDescr =
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reinterpret_cast<typelib_CompoundTypeDescription *>(pSourceTypeDescr);
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while (pTypeDescr &&
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!_type_equals(pTypeDescr->aBase.pWeakRef, pDestType))
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{
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pTypeDescr = pTypeDescr->pBaseTypeDescription;
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}
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if (pTypeDescr)
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{
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bRet = _assignStruct(
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pDest, pSource, pTypeDescr, queryInterface, acquire, release );
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}
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}
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else
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{
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TYPELIB_DANGER_GET( &pSourceTypeDescr, pSourceType );
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typelib_CompoundTypeDescription * pTypeDescr =
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reinterpret_cast<typelib_CompoundTypeDescription *>(pSourceTypeDescr);
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while (pTypeDescr &&
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!_type_equals(pTypeDescr->aBase.pWeakRef, pDestType))
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{
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pTypeDescr = pTypeDescr->pBaseTypeDescription;
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}
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if (pTypeDescr)
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{
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bRet = _assignStruct(
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pDest, pSource, pTypeDescr, queryInterface, acquire, release );
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}
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TYPELIB_DANGER_RELEASE( pSourceTypeDescr );
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}
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return bRet;
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}
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return false;
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case typelib_TypeClass_SEQUENCE:
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if (typelib_TypeClass_SEQUENCE != pSourceType->eTypeClass)
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return false;
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// self assignment:
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if (*(uno_Sequence **)pSource == *(uno_Sequence **)pDest)
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return true;
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if (_type_equals( pDestType, pSourceType ))
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{
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osl_atomic_increment( &(*(uno_Sequence **)pSource)->nRefCount );
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idestructSequence(
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*(uno_Sequence **)pDest, pDestType, pDestTypeDescr, release );
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*(uno_Sequence **)pDest = *(uno_Sequence **)pSource;
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return true;
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}
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return false;
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case typelib_TypeClass_INTERFACE:
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if (typelib_TypeClass_INTERFACE != pSourceType->eTypeClass)
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return false;
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if (_type_equals( pDestType, pSourceType ))
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{
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_assignInterface( (void **)pDest, *(void **)pSource, acquire, release );
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return true;
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}
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else if (*static_cast< void ** >(pSource) == 0)
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{
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// A null reference of any interface type can be converted to a null
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// reference of any other interface type:
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void * const pToBeReleased = *static_cast< void ** >(pDest);
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*static_cast< void ** >(pDest) = 0;
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_release( pToBeReleased, release );
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return true;
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}
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else
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{
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if (pSourceTypeDescr)
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{
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typelib_TypeDescription * pTD = pSourceTypeDescr;
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while (pTD && !_type_equals( pTD->pWeakRef, pDestType ))
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{
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pTD = &(reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD))->pBaseTypeDescription->aBase;
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}
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if (pTD) // is base of dest
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{
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_assignInterface( (void **)pDest, *(void **)pSource, acquire, release );
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return true;
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}
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}
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// query for interface:
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void * pQueried = _queryInterface( *static_cast<void **>(pSource),
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pDestType, queryInterface );
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if (pQueried != 0) {
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void * const pToBeReleased = *static_cast<void **>(pDest);
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*static_cast<void **>(pDest) = pQueried;
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_release( pToBeReleased, release );
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}
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return (pQueried != 0);
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}
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default:
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OSL_ASSERT(false);
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return false;
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}
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}
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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