summaryrefslogtreecommitdiffstats
path: root/cppu/source/uno/destr.hxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--cppu/source/uno/destr.hxx355
1 files changed, 355 insertions, 0 deletions
diff --git a/cppu/source/uno/destr.hxx b/cppu/source/uno/destr.hxx
new file mode 100644
index 000000000..1b964e36a
--- /dev/null
+++ b/cppu/source/uno/destr.hxx
@@ -0,0 +1,355 @@
+/* -*- 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 .
+ */
+#ifndef INCLUDED_CPPU_SOURCE_UNO_DESTR_HXX
+#define INCLUDED_CPPU_SOURCE_UNO_DESTR_HXX
+
+#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;
+ }
+}
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */