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+/* -*- 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_ASSIGN_HXX
+#define INCLUDED_CPPU_SOURCE_UNO_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 )
+
+{
+ _acquire( pSource, acquire );
+ void * const pToBeReleased = *ppDest;
+ *ppDest = pSource;
+ _release( pToBeReleased, release );
+}
+
+inline void * _queryInterface(
+ void * pSource,
+ typelib_TypeDescriptionReference * pDestType,
+ uno_QueryInterfaceFunc queryInterface )
+{
+ if (pSource)
+ {
+ if (nullptr == queryInterface)
+ queryInterface = binuno_queryInterface;
+ pSource = (*queryInterface)( pSource, pDestType );
+ }
+ return pSource;
+}
+
+bool assignStruct(
+ void * pDest, void * pSource,
+ typelib_CompoundTypeDescription * pTypeDescr,
+ uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release );
+
+inline bool _assignStruct(
+ void * pDest, void * pSource,
+ typelib_CompoundTypeDescription * pTypeDescr,
+ uno_QueryInterfaceFunc queryInterface, uno_AcquireFunc acquire, uno_ReleaseFunc release )
+{
+ if (pTypeDescr->pBaseTypeDescription)
+ {
+ // copy base value
+ if (! assignStruct( pDest, pSource, pTypeDescr->pBaseTypeDescription,
+ queryInterface, acquire, release ))
+ {
+ return 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( static_cast<char *>(pDest) + pMemberOffsets[nDescr],
+ ppTypeRefs[nDescr],
+ static_cast<char *>(pSource) + pMemberOffsets[nDescr],
+ ppTypeRefs[nDescr],
+ queryInterface, acquire, release ))
+ {
+ return false;
+ }
+ }
+ return true;
+}
+
+inline 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 )
+{
+ if (pDest == pSource)
+ return _type_equals( pDestType, pSourceType );
+
+ if (! pSource)
+ {
+ _destructData( pDest, pDestType, pDestTypeDescr, release );
+ _defaultConstructData( pDest, pDestType, pDestTypeDescr );
+ return true;
+ }
+ while (typelib_TypeClass_ANY == pSourceType->eTypeClass)
+ {
+ pSourceTypeDescr = nullptr;
+ pSourceType = static_cast<uno_Any *>(pSource)->pType;
+ pSource = static_cast<uno_Any *>(pSource)->pData;
+ if (pDest == pSource)
+ return 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:
+ *static_cast<sal_Unicode *>(pDest) = *static_cast<sal_Unicode *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_BOOLEAN:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BOOLEAN:
+ *static_cast<sal_Bool *>(pDest) = bool(*static_cast<sal_Bool *>(pSource));
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_BYTE:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<sal_Int8 *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_SHORT:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<sal_Int16 *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<sal_Int16 *>(pDest) = *static_cast<sal_Int16 *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<sal_uInt16 *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<sal_uInt16 *>(pDest) = *static_cast<sal_uInt16 *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_LONG:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<sal_Int32 *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ *static_cast<sal_Int32 *>(pDest) = *static_cast<sal_Int16 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<sal_Int32 *>(pDest) = *static_cast<sal_uInt16 *>(pSource);
+ return true;
+ case typelib_TypeClass_LONG:
+ case typelib_TypeClass_UNSIGNED_LONG:
+ *static_cast<sal_Int32 *>(pDest) = *static_cast<sal_Int32 *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_UNSIGNED_LONG:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<sal_uInt32 *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ *static_cast<sal_uInt32 *>(pDest) = *static_cast<sal_Int16 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<sal_uInt32 *>(pDest) = *static_cast<sal_uInt16 *>(pSource);
+ return true;
+ case typelib_TypeClass_LONG:
+ case typelib_TypeClass_UNSIGNED_LONG:
+ *static_cast<sal_uInt32 *>(pDest) = *static_cast<sal_uInt32 *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_HYPER:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<sal_Int64 *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ *static_cast<sal_Int64 *>(pDest) = *static_cast<sal_Int16 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<sal_Int64 *>(pDest) = *static_cast<sal_uInt16 *>(pSource);
+ return true;
+ case typelib_TypeClass_LONG:
+ *static_cast<sal_Int64 *>(pDest) = *static_cast<sal_Int32 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_LONG:
+ *static_cast<sal_Int64 *>(pDest) = *static_cast<sal_uInt32 *>(pSource);
+ return true;
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ *static_cast<sal_Int64 *>(pDest) = *static_cast<sal_Int64 *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<sal_uInt64 *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ *static_cast<sal_uInt64 *>(pDest) = *static_cast<sal_Int16 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<sal_uInt64 *>(pDest) = *static_cast<sal_uInt16 *>(pSource);
+ return true;
+ case typelib_TypeClass_LONG:
+ *static_cast<sal_uInt64 *>(pDest) = *static_cast<sal_Int32 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_LONG:
+ *static_cast<sal_uInt64 *>(pDest) = *static_cast<sal_uInt32 *>(pSource);
+ return true;
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ *static_cast<sal_uInt64 *>(pDest) = *static_cast<sal_uInt64 *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_FLOAT:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<float *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ *static_cast<float *>(pDest) = *static_cast<sal_Int16 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<float *>(pDest) = *static_cast<sal_uInt16 *>(pSource);
+ return true;
+ case typelib_TypeClass_FLOAT:
+ *static_cast<float *>(pDest) = *static_cast<float *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_DOUBLE:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_BYTE:
+ *static_cast<double *>(pDest) = *static_cast<sal_Int8 *>(pSource);
+ return true;
+ case typelib_TypeClass_SHORT:
+ *static_cast<double *>(pDest) = *static_cast<sal_Int16 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *static_cast<double *>(pDest) = *static_cast<sal_uInt16 *>(pSource);
+ return true;
+ case typelib_TypeClass_LONG:
+ *static_cast<double *>(pDest) = *static_cast<sal_Int32 *>(pSource);
+ return true;
+ case typelib_TypeClass_UNSIGNED_LONG:
+ *static_cast<double *>(pDest) = *static_cast<sal_uInt32 *>(pSource);
+ return true;
+ case typelib_TypeClass_FLOAT:
+ *static_cast<double *>(pDest) = *static_cast<float *>(pSource);
+ return true;
+ case typelib_TypeClass_DOUBLE:
+ *static_cast<double *>(pDest) = *static_cast<double *>(pSource);
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_STRING:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_STRING:
+ ::rtl_uString_assign( static_cast<rtl_uString **>(pDest), *static_cast<rtl_uString **>(pSource) );
+ return true;
+ default:
+ return false;
+ }
+ case typelib_TypeClass_TYPE:
+ switch (pSourceType->eTypeClass)
+ {
+ case typelib_TypeClass_TYPE:
+ {
+ typelib_TypeDescriptionReference ** pp = static_cast<typelib_TypeDescriptionReference **>(pDest);
+ ::typelib_typedescriptionreference_release( *pp );
+ *pp = *static_cast<typelib_TypeDescriptionReference **>(pSource);
+ TYPE_ACQUIRE( *pp );
+ return true;
+ }
+ default:
+ return false;
+ }
+ case typelib_TypeClass_ANY:
+ _destructAny( static_cast<uno_Any *>(pDest), release );
+ _copyConstructAny( static_cast<uno_Any *>(pDest), pSource, pSourceType, pSourceTypeDescr, acquire, nullptr );
+ return true;
+ case typelib_TypeClass_ENUM:
+ if (_type_equals( pDestType, pSourceType ))
+ {
+ *static_cast<sal_Int32 *>(pDest) = *static_cast<sal_Int32 *>(pSource);
+ return true;
+ }
+ return false;
+ case typelib_TypeClass_STRUCT:
+ case typelib_TypeClass_EXCEPTION:
+ if (typelib_TypeClass_STRUCT == pSourceType->eTypeClass ||
+ typelib_TypeClass_EXCEPTION == pSourceType->eTypeClass)
+ {
+ bool bRet = false;
+ if (pSourceTypeDescr)
+ {
+ typelib_CompoundTypeDescription * pTypeDescr =
+ reinterpret_cast<typelib_CompoundTypeDescription *>(pSourceTypeDescr);
+ while (pTypeDescr &&
+ !_type_equals(pTypeDescr->aBase.pWeakRef, pDestType))
+ {
+ pTypeDescr = pTypeDescr->pBaseTypeDescription;
+ }
+ if (pTypeDescr)
+ {
+ bRet = _assignStruct(
+ pDest, pSource, pTypeDescr, queryInterface, acquire, release );
+ }
+ }
+ else
+ {
+ TYPELIB_DANGER_GET( &pSourceTypeDescr, pSourceType );
+ typelib_CompoundTypeDescription * pTypeDescr =
+ reinterpret_cast<typelib_CompoundTypeDescription *>(pSourceTypeDescr);
+ while (pTypeDescr &&
+ !_type_equals(pTypeDescr->aBase.pWeakRef, pDestType))
+ {
+ pTypeDescr = pTypeDescr->pBaseTypeDescription;
+ }
+ if (pTypeDescr)
+ {
+ bRet = _assignStruct(
+ pDest, pSource, pTypeDescr, queryInterface, acquire, release );
+ }
+ TYPELIB_DANGER_RELEASE( pSourceTypeDescr );
+ }
+ return bRet;
+ }
+ return false;
+ case typelib_TypeClass_SEQUENCE:
+ if (typelib_TypeClass_SEQUENCE != pSourceType->eTypeClass)
+ return false;
+ // self assignment:
+ if (*static_cast<uno_Sequence **>(pSource) == *static_cast<uno_Sequence **>(pDest))
+ return true;
+ if (_type_equals( pDestType, pSourceType ))
+ {
+ osl_atomic_increment( &(*static_cast<uno_Sequence **>(pSource))->nRefCount );
+ idestructSequence(
+ *static_cast<uno_Sequence **>(pDest), pDestType, pDestTypeDescr, release );
+ *static_cast<uno_Sequence **>(pDest) = *static_cast<uno_Sequence **>(pSource);
+ return true;
+ }
+ return false;
+ case typelib_TypeClass_INTERFACE:
+ if (typelib_TypeClass_INTERFACE != pSourceType->eTypeClass)
+ return false;
+ if (_type_equals( pDestType, pSourceType ))
+ {
+ _assignInterface( static_cast<void **>(pDest), *static_cast<void **>(pSource), acquire, release );
+ return true;
+ }
+ else if (*static_cast< void ** >(pSource) == nullptr)
+ {
+ // 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) = nullptr;
+ _release( pToBeReleased, release );
+ return true;
+ }
+ else
+ {
+ if (pSourceTypeDescr)
+ {
+ typelib_TypeDescription * pTD = pSourceTypeDescr;
+ while (pTD && !_type_equals( pTD->pWeakRef, pDestType ))
+ {
+ pTD = &reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD)->pBaseTypeDescription->aBase;
+ }
+ if (pTD) // is base of dest
+ {
+ _assignInterface( static_cast<void **>(pDest), *static_cast<void **>(pSource), acquire, release );
+ return true;
+ }
+ }
+
+ // query for interface:
+ void * pQueried = _queryInterface( *static_cast<void **>(pSource),
+ pDestType, queryInterface );
+ if (pQueried != nullptr) {
+ void * const pToBeReleased = *static_cast<void **>(pDest);
+ *static_cast<void **>(pDest) = pQueried;
+ _release( pToBeReleased, release );
+ }
+ return (pQueried != nullptr);
+ }
+ default:
+ OSL_ASSERT(false);
+ return false;
+ }
+}
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */