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Diffstat (limited to 'cppu/source/uno/assign.hxx')
| -rw-r--r-- | cppu/source/uno/assign.hxx | 638 |
1 files changed, 638 insertions, 0 deletions
diff --git a/cppu/source/uno/assign.hxx b/cppu/source/uno/assign.hxx new file mode 100644 index 000000000000..42375832ab09 --- /dev/null +++ b/cppu/source/uno/assign.hxx @@ -0,0 +1,638 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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 ASSIGN_HXX +#define ASSIGN_HXX + +#include "prim.hxx" +#include "destr.hxx" +#include "constr.hxx" +#include "copy.hxx" + + +namespace cppu +{ + +//################################################################################################## +//#### assignment ################################################################################## +//################################################################################################## + + +//-------------------------------------------------------------------------------------------------- +inline void _assignInterface( + void ** ppDest, void * pSource, + uno_AcquireFunc acquire, uno_ReleaseFunc release ) + SAL_THROW( () ) +{ + _acquire( pSource, acquire ); + void * const pToBeReleased = *ppDest; + *ppDest = pSource; + _release( pToBeReleased, release ); +} +//-------------------------------------------------------------------------------------------------- +inline void * _queryInterface( + void * pSource, + typelib_TypeDescriptionReference * pDestType, + uno_QueryInterfaceFunc queryInterface ) + SAL_THROW( () ) +{ + if (pSource) + { + if (0 == queryInterface) + queryInterface = binuno_queryInterface; + pSource = (*queryInterface)( pSource, pDestType ); + } + return pSource; +} +//================================================================================================== +sal_Bool assignStruct( + void * pDest, void * pSource, + typelib_CompoundTypeDescription * pTypeDescr, + uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release ) + SAL_THROW( () ); +//-------------------------------------------------------------------------------------------------- +inline sal_Bool _assignStruct( + void * pDest, void * pSource, + typelib_CompoundTypeDescription * pTypeDescr, + uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release ) + SAL_THROW( () ) +{ + if (pTypeDescr->pBaseTypeDescription) + { + // copy base value + if (! assignStruct( pDest, pSource, pTypeDescr->pBaseTypeDescription, + queryInterface, acquire, release )) + { + return sal_False; + } + } + // then copy members + typelib_TypeDescriptionReference ** ppTypeRefs = pTypeDescr->ppTypeRefs; + sal_Int32 * pMemberOffsets = pTypeDescr->pMemberOffsets; + sal_Int32 nDescr = pTypeDescr->nMembers; + while (nDescr--) + { + if (! ::uno_type_assignData( (char *)pDest + pMemberOffsets[nDescr], + ppTypeRefs[nDescr], + (char *)pSource + pMemberOffsets[nDescr], + ppTypeRefs[nDescr], + queryInterface, acquire, release )) + { + return sal_False; + } + } + return sal_True; +} +//-------------------------------------------------------------------------------------------------- +inline sal_Bool _assignArray( + void * pDest, void * pSource, + typelib_ArrayTypeDescription * pTypeDescr, + uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release ) +{ + typelib_TypeDescriptionReference * pElementTypeRef = + ((typelib_IndirectTypeDescription *)pTypeDescr)->pType; + typelib_TypeDescription * pElementTypeDescr = NULL; + TYPELIB_DANGER_GET( &pElementTypeDescr, pElementTypeRef ); + sal_Int32 nTotalElements = pTypeDescr->nTotalElements; + sal_Int32 nElementSize = pElementTypeDescr->nSize; + sal_Int32 i; + sal_Bool bRet = sal_False; + + switch ( pElementTypeRef->eTypeClass ) + { + case typelib_TypeClass_CHAR: + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_FLOAT: + case typelib_TypeClass_DOUBLE: + for (i=0; i < nTotalElements; i++) + { + ::rtl_copyMemory((sal_Char *)pDest + i * nElementSize, + (sal_Char *)pSource + i * nElementSize, + nElementSize); + } + bRet = sal_True; + break; + case typelib_TypeClass_STRING: + for (i=0; i < nTotalElements; i++) + { + ::rtl_uString_assign( (rtl_uString **)pDest + i, + ((rtl_uString **)pSource)[i] ); + } + bRet = sal_True; + break; + case typelib_TypeClass_TYPE: + for (i=0; i < nTotalElements; i++) + { + typelib_TypeDescriptionReference ** pp = (typelib_TypeDescriptionReference **)pDest + i; + ::typelib_typedescriptionreference_release( *pp ); + *pp = *((typelib_TypeDescriptionReference **)pSource + i); + TYPE_ACQUIRE( *pp ); + } + bRet = sal_True; + break; + case typelib_TypeClass_ANY: + for (i=0; i < nTotalElements; i++) + { + _destructAny( (uno_Any *)pDest + i, release ); + _copyConstructAny( (uno_Any *)pDest + i, (uno_Any *)pSource + i, + pElementTypeRef, pElementTypeDescr, acquire, 0 ); + } + bRet = sal_True; + break; + case typelib_TypeClass_ENUM: + for (i=0; i < nTotalElements; i++) + { + *((sal_Int32 *)pDest + i) = *((sal_Int32 *)pSource + i); + } + bRet = sal_True; + break; + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + for (i=0; i < nTotalElements; i++) + { + bRet = _assignStruct( (sal_Char *)pDest + i * nElementSize, + (sal_Char *)pSource + i * nElementSize, + (typelib_CompoundTypeDescription *)pElementTypeDescr, + queryInterface, acquire, release ); + if (! bRet) + break; + } + bRet = sal_True; + break; + case typelib_TypeClass_UNION: + for (i=0; i < nTotalElements; i++) + { + _destructUnion( (sal_Char*)pDest + i * nElementSize, pElementTypeDescr, release ); + _copyConstructUnion( (sal_Char*)pDest + i * nElementSize, + (sal_Char*)pSource + i * nElementSize, + pElementTypeDescr, acquire, 0 ); + } + bRet = sal_True; + break; + case typelib_TypeClass_SEQUENCE: + for (i=0; i < nTotalElements; i++) + { + ::osl_incrementInterlockedCount( + &(*((uno_Sequence **)pSource + i))->nRefCount ); + idestructSequence( + *((uno_Sequence **)pDest + i), + pElementTypeRef, pElementTypeDescr, release ); + *((uno_Sequence **)pDest + i) = *((uno_Sequence **)pSource + i); + } + bRet = sal_True; + break; + case typelib_TypeClass_INTERFACE: + for (i=0; i < nTotalElements; i++) + { + _assignInterface( + (void **)((sal_Char*)pDest + i * nElementSize), + *(void **)((sal_Char*)pSource + i * nElementSize), + acquire, release ); + } + bRet = sal_True; + break; + default: + OSL_ASSERT(false); + break; + } + + TYPELIB_DANGER_RELEASE( pElementTypeDescr ); + return bRet; +} +//-------------------------------------------------------------------------------------------------- +inline sal_Bool _assignData( + void * pDest, + typelib_TypeDescriptionReference * pDestType, typelib_TypeDescription * pDestTypeDescr, + void * pSource, + typelib_TypeDescriptionReference * pSourceType, typelib_TypeDescription * pSourceTypeDescr, + uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release ) + SAL_THROW( () ) +{ + if (pDest == pSource) + return _type_equals( pDestType, pSourceType ); + + if (! pSource) + { + _destructData( pDest, pDestType, pDestTypeDescr, release ); + _defaultConstructData( pDest, pDestType, pDestTypeDescr ); + return sal_True; + } + while (typelib_TypeClass_ANY == pSourceType->eTypeClass) + { + pSourceTypeDescr = 0; + pSourceType = ((uno_Any *)pSource)->pType; + pSource = ((uno_Any *)pSource)->pData; + if (pDest == pSource) + return sal_True; + } + + switch (pDestType->eTypeClass) + { + case typelib_TypeClass_VOID: + return pSourceType->eTypeClass == typelib_TypeClass_VOID; + case typelib_TypeClass_CHAR: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_CHAR: + *(sal_Unicode *)pDest = *(sal_Unicode *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_BOOLEAN: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BOOLEAN: + *(sal_Bool *)pDest = (*(sal_Bool *)pSource != sal_False); + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_BYTE: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(sal_Int8 *)pDest = *(sal_Int8 *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_SHORT: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(sal_Int16 *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *(sal_Int16 *)pDest = *(sal_Int16 *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_UNSIGNED_SHORT: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(sal_uInt16 *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *(sal_uInt16 *)pDest = *(sal_uInt16 *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_LONG: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(sal_Int32 *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + *(sal_Int32 *)pDest = *(sal_Int16 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_SHORT: + *(sal_Int32 *)pDest = *(sal_uInt16 *)pSource; + return sal_True; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + *(sal_Int32 *)pDest = *(sal_Int32 *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_UNSIGNED_LONG: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(sal_uInt32 *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + *(sal_uInt32 *)pDest = *(sal_Int16 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_SHORT: + *(sal_uInt32 *)pDest = *(sal_uInt16 *)pSource; + return sal_True; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + *(sal_uInt32 *)pDest = *(sal_uInt32 *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_HYPER: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(sal_Int64 *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + *(sal_Int64 *)pDest = *(sal_Int16 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_SHORT: + *(sal_Int64 *)pDest = *(sal_uInt16 *)pSource; + return sal_True; + case typelib_TypeClass_LONG: + *(sal_Int64 *)pDest = *(sal_Int32 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_LONG: + *(sal_Int64 *)pDest = *(sal_uInt32 *)pSource; + return sal_True; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + *(sal_Int64 *)pDest = *(sal_Int64 *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_UNSIGNED_HYPER: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(sal_uInt64 *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + *(sal_uInt64 *)pDest = *(sal_Int16 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_SHORT: + *(sal_uInt64 *)pDest = *(sal_uInt16 *)pSource; + return sal_True; + case typelib_TypeClass_LONG: + *(sal_uInt64 *)pDest = *(sal_Int32 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_LONG: + *(sal_uInt64 *)pDest = *(sal_uInt32 *)pSource; + return sal_True; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + *(sal_uInt64 *)pDest = *(sal_uInt64 *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_FLOAT: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(float *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + *(float *)pDest = *(sal_Int16 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_SHORT: + *(float *)pDest = *(sal_uInt16 *)pSource; + return sal_True; + case typelib_TypeClass_FLOAT: + *(float *)pDest = *(float *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_DOUBLE: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_BYTE: + *(double *)pDest = *(sal_Int8 *)pSource; + return sal_True; + case typelib_TypeClass_SHORT: + *(double *)pDest = *(sal_Int16 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_SHORT: + *(double *)pDest = *(sal_uInt16 *)pSource; + return sal_True; + case typelib_TypeClass_LONG: + *(double *)pDest = *(sal_Int32 *)pSource; + return sal_True; + case typelib_TypeClass_UNSIGNED_LONG: + *(double *)pDest = *(sal_uInt32 *)pSource; + return sal_True; + case typelib_TypeClass_FLOAT: + *(double *)pDest = *(float *)pSource; + return sal_True; + case typelib_TypeClass_DOUBLE: + *(double *)pDest = *(double *)pSource; + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_STRING: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_STRING: + ::rtl_uString_assign( (rtl_uString **)pDest, *(rtl_uString **)pSource ); + return sal_True; + default: + return sal_False; + } + case typelib_TypeClass_TYPE: + switch (pSourceType->eTypeClass) + { + case typelib_TypeClass_TYPE: + { + typelib_TypeDescriptionReference ** pp = (typelib_TypeDescriptionReference **)pDest; + ::typelib_typedescriptionreference_release( *pp ); + *pp = *(typelib_TypeDescriptionReference **)pSource; + TYPE_ACQUIRE( *pp ); + return sal_True; + } + default: + return sal_False; + } + case typelib_TypeClass_ANY: + _destructAny( (uno_Any *)pDest, release ); + _copyConstructAny( (uno_Any *)pDest, pSource, pSourceType, pSourceTypeDescr, acquire, 0 ); + return sal_True; + case typelib_TypeClass_ENUM: + if (_type_equals( pDestType, pSourceType )) + { + *(sal_Int32 *)pDest = *(sal_Int32 *)pSource; + return sal_True; + } + return sal_False; + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + if (typelib_TypeClass_STRUCT == pSourceType->eTypeClass || + typelib_TypeClass_EXCEPTION == pSourceType->eTypeClass) + { + sal_Bool bRet = sal_False; + if (pSourceTypeDescr) + { + typelib_CompoundTypeDescription * pTypeDescr = + (typelib_CompoundTypeDescription *)pSourceTypeDescr; + while (pTypeDescr && + !_type_equals( + ((typelib_TypeDescription *)pTypeDescr)->pWeakRef, pDestType )) + { + pTypeDescr = pTypeDescr->pBaseTypeDescription; + } + if (pTypeDescr) + { + bRet = _assignStruct( + pDest, pSource, pTypeDescr, queryInterface, acquire, release ); + } + } + else + { + TYPELIB_DANGER_GET( &pSourceTypeDescr, pSourceType ); + typelib_CompoundTypeDescription * pTypeDescr = + (typelib_CompoundTypeDescription *)pSourceTypeDescr; + while (pTypeDescr && + !_type_equals( + ((typelib_TypeDescription *)pTypeDescr)->pWeakRef, pDestType )) + { + pTypeDescr = pTypeDescr->pBaseTypeDescription; + } + if (pTypeDescr) + { + bRet = _assignStruct( + pDest, pSource, pTypeDescr, queryInterface, acquire, release ); + } + TYPELIB_DANGER_RELEASE( pSourceTypeDescr ); + } + return bRet; + } + return sal_False; + case typelib_TypeClass_ARRAY: + { + sal_Bool bRet = sal_False; + if (pSourceTypeDescr) + { + typelib_ArrayTypeDescription * pTypeDescr = + (typelib_ArrayTypeDescription *)pSourceTypeDescr; + bRet = _assignArray( pDest, pSource, pTypeDescr, queryInterface, acquire, release ); + } + else + { + TYPELIB_DANGER_GET( &pSourceTypeDescr, pSourceType ); + typelib_ArrayTypeDescription * pTypeDescr = + (typelib_ArrayTypeDescription *)pSourceTypeDescr; + if ( pTypeDescr ) + { + bRet = _assignArray( + pDest, pSource, pTypeDescr, queryInterface, acquire, release ); + } + TYPELIB_DANGER_RELEASE( pSourceTypeDescr ); + } + return bRet; + } + case typelib_TypeClass_UNION: + if (_type_equals( pDestType, pSourceType )) + { + if (pDestTypeDescr) + { + _destructUnion( pDest, pDestTypeDescr, release ); + _copyConstructUnion( pDest, pSource, pDestTypeDescr, acquire, 0 ); + } + else + { + TYPELIB_DANGER_GET( &pDestTypeDescr, pDestType ); + _destructUnion( pDest, pDestTypeDescr, release ); + _copyConstructUnion( pDest, pSource, pDestTypeDescr, acquire, 0 ); + TYPELIB_DANGER_RELEASE( pDestTypeDescr ); + } + return sal_True; + } + return sal_False; + case typelib_TypeClass_SEQUENCE: + if (typelib_TypeClass_SEQUENCE != pSourceType->eTypeClass) + return sal_False; + // self assignment: + if (*(uno_Sequence **)pSource == *(uno_Sequence **)pDest) + return sal_True; + if (_type_equals( pDestType, pSourceType )) + { + ::osl_incrementInterlockedCount( + &(*(uno_Sequence **)pSource)->nRefCount ); + idestructSequence( + *(uno_Sequence **)pDest, pDestType, pDestTypeDescr, release ); + *(uno_Sequence **)pDest = *(uno_Sequence **)pSource; + return sal_True; + } + return sal_False; + case typelib_TypeClass_INTERFACE: + if (typelib_TypeClass_INTERFACE != pSourceType->eTypeClass) + return sal_False; + if (_type_equals( pDestType, pSourceType )) + { + _assignInterface( (void **)pDest, *(void **)pSource, acquire, release ); + return sal_True; + } + else if (*static_cast< void ** >(pSource) == 0) + { + // A null reference of any interface type can be converted to a null + // reference of any other interface type: + void * const pToBeReleased = *static_cast< void ** >(pDest); + *static_cast< void ** >(pDest) = 0; + _release( pToBeReleased, release ); + return true; + } + else + { + if (pSourceTypeDescr) + { + typelib_TypeDescription * pTD = pSourceTypeDescr; + while (pTD && !_type_equals( pTD->pWeakRef, pDestType )) + { + pTD = (typelib_TypeDescription *) + ((typelib_InterfaceTypeDescription *)pTD)->pBaseTypeDescription; + } + if (pTD) // is base of dest + { + _assignInterface( (void **)pDest, *(void **)pSource, acquire, release ); + return true; + } + } + + // query for interface: + void * pQueried = _queryInterface( *static_cast<void **>(pSource), + pDestType, queryInterface ); + if (pQueried != 0) { + void * const pToBeReleased = *static_cast<void **>(pDest); + *static_cast<void **>(pDest) = pQueried; + _release( pToBeReleased, release ); + } + return (pQueried != 0); + } + default: + OSL_ASSERT(false); + return sal_False; + } +} + +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |