Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */