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Diffstat (limited to 'cppu/source/uno/destr.hxx')
| -rw-r--r-- | cppu/source/uno/destr.hxx | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/cppu/source/uno/destr.hxx b/cppu/source/uno/destr.hxx new file mode 100644 index 000000000..13e4ca044 --- /dev/null +++ b/cppu/source/uno/destr.hxx @@ -0,0 +1,352 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ +#pragma once + +#include <sal/config.h> +#include <osl/diagnose.h> + +#include <cassert> +#include <cstdlib> + +#include "prim.hxx" + +namespace cppu +{ + + +//#### destruction ################################################################################# + + +void destructStruct( + void * pValue, + typelib_CompoundTypeDescription * pTypeDescr, + uno_ReleaseFunc release ); + +inline void _destructStruct( + void * pValue, + typelib_CompoundTypeDescription * pTypeDescr, + uno_ReleaseFunc release ) +{ + if (pTypeDescr->pBaseTypeDescription) + { + destructStruct( pValue, pTypeDescr->pBaseTypeDescription, release ); + } + + typelib_TypeDescriptionReference ** ppTypeRefs = pTypeDescr->ppTypeRefs; + sal_Int32 * pMemberOffsets = pTypeDescr->pMemberOffsets; + sal_Int32 nDescr = pTypeDescr->nMembers; + while (nDescr--) + { + ::uno_type_destructData( + static_cast<char *>(pValue) + pMemberOffsets[nDescr], + ppTypeRefs[nDescr], release ); + } +} + + +void destructSequence( + uno_Sequence * pSequence, + typelib_TypeDescriptionReference * pType, + typelib_TypeDescription * pTypeDescr, + uno_ReleaseFunc release ); + + +inline void _destructAny( + uno_Any * pAny, + uno_ReleaseFunc release ) +{ + typelib_TypeDescriptionReference * pType = pAny->pType; + + switch (pType->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + if (sizeof(void *) < sizeof(sal_Int64)) + { + std::free( pAny->pData ); + } + break; + case typelib_TypeClass_FLOAT: + if (sizeof(void *) < sizeof(float)) + { + std::free( pAny->pData ); + } + break; + case typelib_TypeClass_DOUBLE: + if (sizeof(void *) < sizeof(double)) + { + std::free( pAny->pData ); + } + break; + case typelib_TypeClass_STRING: + ::rtl_uString_release( static_cast<rtl_uString *>(pAny->pReserved) ); + break; + case typelib_TypeClass_TYPE: + ::typelib_typedescriptionreference_release( + static_cast<typelib_TypeDescriptionReference *>(pAny->pReserved) ); + break; + case typelib_TypeClass_ANY: + OSL_FAIL( "### unexpected nested any!" ); + ::uno_any_destruct( static_cast<uno_Any *>(pAny->pData), release ); + std::free( pAny->pData ); + break; + case typelib_TypeClass_TYPEDEF: + OSL_FAIL( "### unexpected typedef!" ); + break; + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + { + typelib_TypeDescription * pTypeDescr = nullptr; + TYPELIB_DANGER_GET( &pTypeDescr, pType ); + _destructStruct( pAny->pData, reinterpret_cast<typelib_CompoundTypeDescription *>(pTypeDescr), release ); + TYPELIB_DANGER_RELEASE( pTypeDescr ); + std::free( pAny->pData ); + break; + } + case typelib_TypeClass_SEQUENCE: + { + destructSequence( + static_cast<uno_Sequence *>(pAny->pReserved), pType, nullptr, release ); + break; + } + case typelib_TypeClass_INTERFACE: + _release( pAny->pReserved, release ); + break; + default: + break; + } +#if OSL_DEBUG_LEVEL > 0 + pAny->pData = reinterpret_cast<void *>(uintptr_t(0xdeadbeef)); +#endif + + ::typelib_typedescriptionreference_release( pType ); +} + +inline sal_Int32 idestructElements( + void * pElements, typelib_TypeDescriptionReference * pElementType, + sal_Int32 nStartIndex, sal_Int32 nStopIndex, + uno_ReleaseFunc release ) +{ + switch (pElementType->eTypeClass) + { + case typelib_TypeClass_CHAR: + return sal_Int32(sizeof(sal_Unicode)); + case typelib_TypeClass_BOOLEAN: + return sal_Int32(sizeof(sal_Bool)); + case typelib_TypeClass_BYTE: + return sal_Int32(sizeof(sal_Int8)); + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + return sal_Int32(sizeof(sal_Int16)); + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + return sal_Int32(sizeof(sal_Int32)); + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + return sal_Int32(sizeof(sal_Int64)); + case typelib_TypeClass_FLOAT: + return sal_Int32(sizeof(float)); + case typelib_TypeClass_DOUBLE: + return sal_Int32(sizeof(double)); + + case typelib_TypeClass_STRING: + { + rtl_uString ** pDest = static_cast<rtl_uString **>(pElements); + for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos ) + { + ::rtl_uString_release( pDest[nPos] ); + } + return sal_Int32(sizeof(rtl_uString *)); + } + case typelib_TypeClass_TYPE: + { + typelib_TypeDescriptionReference ** pDest = static_cast<typelib_TypeDescriptionReference **>(pElements); + for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos ) + { + ::typelib_typedescriptionreference_release( pDest[nPos] ); + } + return sal_Int32(sizeof(typelib_TypeDescriptionReference *)); + } + case typelib_TypeClass_ANY: + { + uno_Any * pDest = static_cast<uno_Any *>(pElements); + for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos ) + { + _destructAny( &pDest[nPos], release ); + } + return sal_Int32(sizeof(uno_Any)); + } + case typelib_TypeClass_ENUM: + return sal_Int32(sizeof(sal_Int32)); + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + { + typelib_TypeDescription * pElementTypeDescr = nullptr; + TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType ); + sal_Int32 nElementSize = pElementTypeDescr->nSize; + for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos ) + { + _destructStruct( + static_cast<char *>(pElements) + (nElementSize * nPos), + reinterpret_cast<typelib_CompoundTypeDescription *>(pElementTypeDescr), + release ); + } + sal_Int32 nSize = pElementTypeDescr->nSize; + TYPELIB_DANGER_RELEASE( pElementTypeDescr ); + return nSize; + } + case typelib_TypeClass_SEQUENCE: + { + typelib_TypeDescription * pElementTypeDescr = nullptr; + TYPELIB_DANGER_GET( &pElementTypeDescr, pElementType ); + uno_Sequence ** pDest = static_cast<uno_Sequence **>(pElements); + for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos ) + { + destructSequence( + pDest[nPos], + pElementTypeDescr->pWeakRef, pElementTypeDescr, + release ); + } + TYPELIB_DANGER_RELEASE( pElementTypeDescr ); + return sal_Int32(sizeof(uno_Sequence *)); + } + case typelib_TypeClass_INTERFACE: + { + if (release) + { + for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos ) + { + void * p = static_cast<void **>(pElements)[nPos]; + if (p) + { + (*release)( p ); + } + } + } + else + { + for ( sal_Int32 nPos = nStartIndex; nPos < nStopIndex; ++nPos ) + { + uno_Interface * p = static_cast<uno_Interface **>(pElements)[nPos]; + if (p) + { + (*p->release)( p ); + } + } + } + return sal_Int32(sizeof(void *)); + } + default: + OSL_ASSERT(false); + return 0; + } +} + +inline void idestroySequence( + uno_Sequence * pSeq, + typelib_TypeDescriptionReference * pType, + typelib_TypeDescription * pTypeDescr, + uno_ReleaseFunc release ) +{ + assert(pSeq != nullptr); + assert(pSeq->nRefCount == 0); + if (pSeq->nElements > 0) + { + if (pTypeDescr) + { + idestructElements( + pSeq->elements, + reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType, 0, + pSeq->nElements, release ); + } + else + { + TYPELIB_DANGER_GET( &pTypeDescr, pType ); + idestructElements( + pSeq->elements, + reinterpret_cast<typelib_IndirectTypeDescription *>(pTypeDescr)->pType, 0, + pSeq->nElements, release ); + TYPELIB_DANGER_RELEASE( pTypeDescr ); + } + } + std::free( pSeq ); +} + +inline void idestructSequence( + uno_Sequence * pSeq, + typelib_TypeDescriptionReference * pType, + typelib_TypeDescription * pTypeDescr, + uno_ReleaseFunc release ) +{ + if (osl_atomic_decrement( &pSeq->nRefCount ) == 0) + { + idestroySequence(pSeq, pType, pTypeDescr, release); + } +} + +inline void _destructData( + void * pValue, + typelib_TypeDescriptionReference * pType, + typelib_TypeDescription * pTypeDescr, + uno_ReleaseFunc release ) +{ + switch (pType->eTypeClass) + { + case typelib_TypeClass_STRING: + ::rtl_uString_release( *static_cast<rtl_uString **>(pValue) ); + break; + case typelib_TypeClass_TYPE: + ::typelib_typedescriptionreference_release( *static_cast<typelib_TypeDescriptionReference **>(pValue) ); + break; + case typelib_TypeClass_ANY: + _destructAny( static_cast<uno_Any *>(pValue), release ); + break; + case typelib_TypeClass_TYPEDEF: + OSL_FAIL( "### unexpected typedef!" ); + break; + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: + if (pTypeDescr) + { + _destructStruct( pValue, reinterpret_cast<typelib_CompoundTypeDescription *>(pTypeDescr), release ); + } + else + { + TYPELIB_DANGER_GET( &pTypeDescr, pType ); + _destructStruct( pValue, reinterpret_cast<typelib_CompoundTypeDescription *>(pTypeDescr), release ); + TYPELIB_DANGER_RELEASE( pTypeDescr ); + } + break; + case typelib_TypeClass_SEQUENCE: + { + idestructSequence( + *static_cast<uno_Sequence **>(pValue), pType, pTypeDescr, release ); + break; + } + case typelib_TypeClass_INTERFACE: + _release( *static_cast<void **>(pValue), release ); + break; + default: + break; + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |