Adding upstream version 4:24.2.0.upstream/4%24.2.0

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

1 files changed, 660 insertions, 0 deletions

diff --git a/cppuhelper/source/tdmgr.cxx b/cppuhelper/source/tdmgr.cxx
new file mode 100644
index 0000000000..1e5826e248
--- /dev/null
+++ b/cppuhelper/source/tdmgr.cxx
@@ -0,0 +1,660 @@
+/* -*- 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 .
+ */
+
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <vector>
+
+#include <osl/diagnose.h>
+#include <rtl/ustring.hxx>
+
+#include <uno/lbnames.h>
+#include <uno/mapping.hxx>
+
+#include <cppuhelper/bootstrap.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <typelib/typedescription.h>
+
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
+#include <com/sun/star/reflection/XTypeDescription.hpp>
+#include <com/sun/star/reflection/XEnumTypeDescription.hpp>
+#include <com/sun/star/reflection/XIndirectTypeDescription.hpp>
+#include <com/sun/star/reflection/XInterfaceMemberTypeDescription.hpp>
+#include <com/sun/star/reflection/XInterfaceAttributeTypeDescription2.hpp>
+#include <com/sun/star/reflection/XMethodParameter.hpp>
+#include <com/sun/star/reflection/XInterfaceMethodTypeDescription.hpp>
+#include <com/sun/star/reflection/XInterfaceTypeDescription2.hpp>
+#include <com/sun/star/reflection/XCompoundTypeDescription.hpp>
+#include <com/sun/star/reflection/XStructTypeDescription.hpp>
+
+#include <memory>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::reflection;
+
+namespace cppu
+{
+
+static typelib_TypeDescription * createCTD(
+    Reference< container::XHierarchicalNameAccess > const & access,
+    const Reference< XTypeDescription > & xType );
+
+
+static typelib_TypeDescription * createCTD(
+    const Reference< XCompoundTypeDescription > & xType )
+{
+    typelib_TypeDescription * pRet = nullptr;
+    if (xType.is())
+    {
+        typelib_TypeDescription * pBaseType = createCTD(
+            Reference< XCompoundTypeDescription >::query( xType->getBaseType() ) );
+        if (pBaseType)
+            typelib_typedescription_register( &pBaseType );
+
+        // construct member init array
+        const Sequence<Reference< XTypeDescription > > & rMemberTypes = xType->getMemberTypes();
+        const Sequence< OUString > & rMemberNames                     = xType->getMemberNames();
+
+        const Reference< XTypeDescription > * pMemberTypes = rMemberTypes.getConstArray();
+        const OUString * pMemberNames                      = rMemberNames.getConstArray();
+
+        sal_Int32 nMembers = rMemberTypes.getLength();
+        OSL_ENSURE( nMembers == rMemberNames.getLength(), "### lens differ!" );
+
+        OUString aTypeName( xType->getName() );
+
+        typelib_CompoundMember_Init * pMemberInits = static_cast<typelib_CompoundMember_Init *>(alloca(
+            sizeof(typelib_CompoundMember_Init) * nMembers ));
+
+        sal_Int32 nPos;
+        for ( nPos = nMembers; nPos--; )
+        {
+            typelib_CompoundMember_Init & rInit = pMemberInits[nPos];
+            rInit.eTypeClass = static_cast<typelib_TypeClass>(pMemberTypes[nPos]->getTypeClass());
+
+            OUString aMemberTypeName( pMemberTypes[nPos]->getName() );
+            rInit.pTypeName = aMemberTypeName.pData;
+            rtl_uString_acquire( rInit.pTypeName );
+
+            // string is held by rMemberNames
+            rInit.pMemberName = pMemberNames[nPos].pData;
+        }
+
+        typelib_typedescription_new(
+            &pRet,
+            static_cast<typelib_TypeClass>(xType->getTypeClass()),
+            aTypeName.pData,
+            (pBaseType ? pBaseType->pWeakRef : nullptr),
+            nMembers, pMemberInits );
+
+        // cleanup
+        for ( nPos = nMembers; nPos--; )
+        {
+            rtl_uString_release( pMemberInits[nPos].pTypeName );
+        }
+        if (pBaseType)
+            typelib_typedescription_release( pBaseType );
+    }
+    return pRet;
+}
+
+static typelib_TypeDescription * createCTD(
+    Reference< container::XHierarchicalNameAccess > const & access,
+    const Reference< XStructTypeDescription > & xType )
+{
+    typelib_TypeDescription * pRet = nullptr;
+    if (xType.is() && !xType->getTypeParameters().hasElements())
+    {
+        typelib_TypeDescription * pBaseType = createCTD(
+            access, xType->getBaseType() );
+        if (pBaseType)
+            typelib_typedescription_register( &pBaseType );
+
+        // construct member init array
+        const Sequence<Reference< XTypeDescription > > & rMemberTypes = xType->getMemberTypes();
+        const Sequence< OUString > & rMemberNames                     = xType->getMemberNames();
+
+        const Reference< XTypeDescription > * pMemberTypes = rMemberTypes.getConstArray();
+        const OUString * pMemberNames                      = rMemberNames.getConstArray();
+
+        sal_Int32 nMembers = rMemberTypes.getLength();
+        OSL_ENSURE( nMembers == rMemberNames.getLength(), "### lens differ!" );
+
+        OUString aTypeName( xType->getName() );
+
+        typelib_StructMember_Init * pMemberInits = static_cast<typelib_StructMember_Init *>(alloca(
+            sizeof(typelib_StructMember_Init) * nMembers ));
+
+        Sequence< Reference< XTypeDescription > > templateMemberTypes;
+        sal_Int32 i = aTypeName.indexOf('<');
+        if (i >= 0) {
+            Reference< XStructTypeDescription > templateDesc(
+                access->getByHierarchicalName(aTypeName.copy(0, i)),
+                UNO_QUERY_THROW);
+            OSL_ASSERT(
+                templateDesc->getTypeParameters().getLength()
+                == xType->getTypeArguments().getLength());
+            templateMemberTypes = templateDesc->getMemberTypes();
+            OSL_ASSERT(templateMemberTypes.getLength() == nMembers);
+        }
+
+        sal_Int32 nPos;
+        for ( nPos = nMembers; nPos--; )
+        {
+            typelib_StructMember_Init & rInit = pMemberInits[nPos];
+            rInit.aBase.eTypeClass
+                = static_cast<typelib_TypeClass>(pMemberTypes[nPos]->getTypeClass());
+
+            OUString aMemberTypeName( pMemberTypes[nPos]->getName() );
+            rInit.aBase.pTypeName = aMemberTypeName.pData;
+            rtl_uString_acquire( rInit.aBase.pTypeName );
+
+            // string is held by rMemberNames
+            rInit.aBase.pMemberName = pMemberNames[nPos].pData;
+
+            rInit.bParameterizedType = templateMemberTypes.hasElements()
+                && (templateMemberTypes[nPos]->getTypeClass()
+                    == TypeClass_UNKNOWN);
+        }
+
+        typelib_typedescription_newStruct(
+            &pRet,
+            aTypeName.pData,
+            (pBaseType ? pBaseType->pWeakRef : nullptr),
+            nMembers, pMemberInits );
+
+        // cleanup
+        for ( nPos = nMembers; nPos--; )
+        {
+            rtl_uString_release( pMemberInits[nPos].aBase.pTypeName );
+        }
+        if (pBaseType)
+            typelib_typedescription_release( pBaseType );
+    }
+    return pRet;
+}
+
+static typelib_TypeDescription * createCTD(
+    const Reference< XInterfaceAttributeTypeDescription2 > & xAttribute )
+{
+    typelib_TypeDescription * pRet = nullptr;
+    if (xAttribute.is())
+    {
+        OUString aMemberName( xAttribute->getName() );
+        Reference< XTypeDescription > xType( xAttribute->getType() );
+        OUString aMemberTypeName( xType->getName() );
+        std::vector< rtl_uString * > getExc;
+        const Sequence< Reference< XCompoundTypeDescription > > getExcs(
+            xAttribute->getGetExceptions() );
+        for (const auto & ctd : getExcs)
+        {
+            OSL_ASSERT( ctd.is() );
+            getExc.push_back( ctd->getName().pData );
+        }
+        std::vector< rtl_uString * > setExc;
+        const Sequence< Reference< XCompoundTypeDescription > > setExcs(
+            xAttribute->getSetExceptions() );
+        for (const auto & ctd : setExcs)
+        {
+            OSL_ASSERT( ctd.is() );
+            setExc.push_back( ctd->getName().pData );
+        }
+        typelib_typedescription_newExtendedInterfaceAttribute(
+            reinterpret_cast<typelib_InterfaceAttributeTypeDescription **>(&pRet),
+            xAttribute->getPosition(),
+            aMemberName.pData, // name
+            static_cast<typelib_TypeClass>(xType->getTypeClass()),
+            aMemberTypeName.pData, // type name
+            xAttribute->isReadOnly(),
+            getExc.size(), getExc.data(),
+            setExc.size(), setExc.data() );
+    }
+    return pRet;
+}
+
+static typelib_TypeDescription * createCTD(
+    const Reference< XInterfaceMethodTypeDescription > & xMethod )
+{
+    typelib_TypeDescription * pRet = nullptr;
+    if (xMethod.is())
+    {
+        Reference< XTypeDescription > xReturnType( xMethod->getReturnType() );
+
+        // init all params
+        const Sequence<Reference< XMethodParameter > > & rParams = xMethod->getParameters();
+        const Reference< XMethodParameter > * pParams            = rParams.getConstArray();
+        sal_Int32 nParams = rParams.getLength();
+
+        typelib_Parameter_Init * pParamInit = static_cast<typelib_Parameter_Init *>(alloca(
+            sizeof(typelib_Parameter_Init) * nParams ));
+
+        sal_Int32 nPos;
+        for ( nPos = nParams; nPos--; )
+        {
+            const Reference< XMethodParameter > & xParam = pParams[nPos];
+            const Reference< XTypeDescription > & xType  = xParam->getType();
+            typelib_Parameter_Init & rInit = pParamInit[xParam->getPosition()];
+
+            rInit.eTypeClass = static_cast<typelib_TypeClass>(xType->getTypeClass());
+            OUString aParamTypeName( xType->getName() );
+            rInit.pTypeName = aParamTypeName.pData;
+            rtl_uString_acquire( rInit.pTypeName );
+            OUString aParamName( xParam->getName() );
+            rInit.pParamName = aParamName.pData;
+            rtl_uString_acquire( rInit.pParamName );
+            rInit.bIn  = xParam->isIn();
+            rInit.bOut = xParam->isOut();
+        }
+
+        // init all exception strings
+        const Sequence<Reference< XTypeDescription > > & rExceptions = xMethod->getExceptions();
+        const Reference< XTypeDescription > * pExceptions = rExceptions.getConstArray();
+        sal_Int32 nExceptions = rExceptions.getLength();
+        rtl_uString ** ppExceptionNames = static_cast<rtl_uString **>(alloca(
+            sizeof(rtl_uString *) * nExceptions ));
+
+        for ( nPos = nExceptions; nPos--; )
+        {
+            OUString aExceptionTypeName( pExceptions[nPos]->getName() );
+            ppExceptionNames[nPos] = aExceptionTypeName.pData;
+            rtl_uString_acquire( ppExceptionNames[nPos] );
+        }
+
+        OUString aTypeName( xMethod->getName() );
+        OUString aReturnTypeName( xReturnType->getName() );
+
+        typelib_typedescription_newInterfaceMethod(
+            reinterpret_cast<typelib_InterfaceMethodTypeDescription **>(&pRet),
+            xMethod->getPosition(),
+            xMethod->isOneway(),
+            aTypeName.pData,
+            static_cast<typelib_TypeClass>(xReturnType->getTypeClass()),
+            aReturnTypeName.pData,
+            nParams, pParamInit,
+            nExceptions, ppExceptionNames );
+
+        for ( nPos = nParams; nPos--; )
+        {
+            rtl_uString_release( pParamInit[nPos].pTypeName );
+            rtl_uString_release( pParamInit[nPos].pParamName );
+        }
+        for ( nPos = nExceptions; nPos--; )
+        {
+            rtl_uString_release( ppExceptionNames[nPos] );
+        }
+    }
+    return pRet;
+}
+
+static typelib_TypeDescription * createCTD(
+    Reference< container::XHierarchicalNameAccess > const & access,
+    const Reference< XInterfaceTypeDescription2 > & xType )
+{
+    typelib_TypeDescription * pRet = nullptr;
+    if (xType.is())
+    {
+        Sequence< Reference< XTypeDescription > > aBases(xType->getBaseTypes());
+        sal_Int32 nBases = aBases.getLength();
+        // Exploit the fact that a typelib_TypeDescription for an interface type
+        // is also the typelib_TypeDescriptionReference for that type:
+        std::unique_ptr< typelib_TypeDescription * []> aBaseTypes(
+            new typelib_TypeDescription *[nBases]);
+        for (sal_Int32 i = 0; i < nBases; ++i) {
+            typelib_TypeDescription * p = createCTD(access, aBases[i]);
+            OSL_ASSERT(
+                !TYPELIB_TYPEDESCRIPTIONREFERENCE_ISREALLYWEAK(p->eTypeClass));
+            typelib_typedescription_register(&p);
+            aBaseTypes[i] = p;
+        }
+        typelib_TypeDescriptionReference ** pBaseTypeRefs
+            = reinterpret_cast< typelib_TypeDescriptionReference ** >(
+                aBaseTypes.get());
+
+        // construct all member refs
+        const Sequence<Reference< XInterfaceMemberTypeDescription > > & rMembers = xType->getMembers();
+        sal_Int32 nMembers = rMembers.getLength();
+
+        typelib_TypeDescriptionReference ** ppMemberRefs = static_cast<typelib_TypeDescriptionReference **>(alloca(
+            sizeof(typelib_TypeDescriptionReference *) * nMembers ));
+
+        const Reference< XInterfaceMemberTypeDescription > * pMembers = rMembers.getConstArray();
+
+        OUString aTypeName( xType->getName() );
+
+        sal_Int32 nPos;
+        for ( nPos = nMembers; nPos--; )
+        {
+            OUString aMemberTypeName( pMembers[nPos]->getName() );
+            ppMemberRefs[nPos] = nullptr;
+            typelib_typedescriptionreference_new(
+                ppMemberRefs + nPos,
+                static_cast<typelib_TypeClass>(pMembers[nPos]->getTypeClass()),
+                aMemberTypeName.pData );
+        }
+
+        typelib_typedescription_newMIInterface(
+            reinterpret_cast<typelib_InterfaceTypeDescription **>(&pRet),
+            aTypeName.pData,
+            0, 0, 0, 0, 0,
+            nBases, pBaseTypeRefs,
+            nMembers, ppMemberRefs );
+
+        // cleanup refs and base type
+        for (int i = 0; i < nBases; ++i) {
+            typelib_typedescription_release(aBaseTypes[i]);
+        }
+
+        for ( nPos = nMembers; nPos--; )
+        {
+            typelib_typedescriptionreference_release( ppMemberRefs[nPos] );
+        }
+    }
+    return pRet;
+}
+
+static typelib_TypeDescription * createCTD( const Reference< XEnumTypeDescription > & xType )
+{
+    typelib_TypeDescription * pRet = nullptr;
+    if (xType.is())
+    {
+        OUString aTypeName( xType->getName() );
+        Sequence< OUString > aNames( xType->getEnumNames() );
+        OSL_ASSERT( sizeof(OUString) == sizeof(rtl_uString *) ); // !!!
+        Sequence< sal_Int32 > aValues( xType->getEnumValues() );
+
+        typelib_typedescription_newEnum(
+            &pRet, aTypeName.pData, xType->getDefaultEnumValue(),
+            aNames.getLength(),
+            const_cast<rtl_uString **>(reinterpret_cast<rtl_uString * const *>(aNames.getConstArray())),
+            const_cast< sal_Int32 * >( aValues.getConstArray() ) );
+    }
+    return pRet;
+}
+
+static typelib_TypeDescription * createCTD(
+    Reference< container::XHierarchicalNameAccess > const & access,
+    const Reference< XIndirectTypeDescription > & xType )
+{
+    typelib_TypeDescription * pRet = nullptr;
+    if (xType.is())
+    {
+        typelib_TypeDescription * pRefType = createCTD(
+            access, xType->getReferencedType() );
+        typelib_typedescription_register( &pRefType );
+
+        OUString aTypeName( xType->getName() );
+
+        typelib_typedescription_new(
+            &pRet,
+            static_cast<typelib_TypeClass>(xType->getTypeClass()),
+            aTypeName.pData,
+            pRefType->pWeakRef,
+            0, nullptr );
+
+        // cleanup
+        typelib_typedescription_release( pRefType );
+    }
+    return pRet;
+}
+
+
+static typelib_TypeDescription * createCTD(
+    Reference< container::XHierarchicalNameAccess > const & access,
+    const Reference< XTypeDescription > & xType )
+{
+    typelib_TypeDescription * pRet = nullptr;
+
+    if (xType.is())
+    {
+        switch (xType->getTypeClass())
+        {
+            // built in types
+        case TypeClass_VOID:
+        {
+            OUString aTypeName("void");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_VOID, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_CHAR:
+        {
+            OUString aTypeName("char");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_CHAR, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_BOOLEAN:
+        {
+            OUString aTypeName("boolean");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_BOOLEAN, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_BYTE:
+        {
+            OUString aTypeName("byte");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_BYTE, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_SHORT:
+        {
+            OUString aTypeName("short");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_SHORT, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_UNSIGNED_SHORT:
+        {
+            OUString aTypeName("unsigned short");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_UNSIGNED_SHORT, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_LONG:
+        {
+            OUString aTypeName("long");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_LONG, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_UNSIGNED_LONG:
+        {
+            OUString aTypeName("unsigned long");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_UNSIGNED_LONG, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_HYPER:
+        {
+            OUString aTypeName("hyper");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_HYPER, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_UNSIGNED_HYPER:
+        {
+            OUString aTypeName("unsigned hyper");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_UNSIGNED_HYPER, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_FLOAT:
+        {
+            OUString aTypeName("float");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_FLOAT, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_DOUBLE:
+        {
+            OUString aTypeName("double");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_DOUBLE, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_STRING:
+        {
+            OUString aTypeName("string");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_STRING, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_TYPE:
+        {
+            OUString aTypeName("type");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_TYPE, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+        case TypeClass_ANY:
+        {
+            OUString aTypeName("any");
+            typelib_typedescription_new( &pRet, typelib_TypeClass_ANY, aTypeName.pData, nullptr, 0, nullptr );
+            break;
+        }
+
+        case TypeClass_EXCEPTION:
+            pRet = createCTD( Reference< XCompoundTypeDescription >::query( xType ) );
+            break;
+        case TypeClass_STRUCT:
+            pRet = createCTD(
+                access, Reference< XStructTypeDescription >::query( xType ) );
+            break;
+        case TypeClass_ENUM:
+            pRet = createCTD( Reference< XEnumTypeDescription >::query( xType ) );
+            break;
+        case TypeClass_TYPEDEF:
+        {
+            Reference< XIndirectTypeDescription > xTypedef( xType, UNO_QUERY );
+            if (xTypedef.is())
+                pRet = createCTD( access, xTypedef->getReferencedType() );
+            break;
+        }
+        case TypeClass_SEQUENCE:
+            pRet = createCTD(
+                access, Reference< XIndirectTypeDescription >::query( xType ) );
+            break;
+        case TypeClass_INTERFACE:
+            pRet = createCTD(
+                access,
+                Reference< XInterfaceTypeDescription2 >::query( xType ) );
+            break;
+        case TypeClass_INTERFACE_METHOD:
+            pRet = createCTD( Reference< XInterfaceMethodTypeDescription >::query( xType ) );
+            break;
+        case TypeClass_INTERFACE_ATTRIBUTE:
+            pRet = createCTD( Reference< XInterfaceAttributeTypeDescription2 >::query( xType ) );
+            break;
+        default:
+            break;
+        }
+    }
+
+    return pRet;
+}
+
+
+extern "C"
+{
+static void typelib_callback(
+    void * pContext, typelib_TypeDescription ** ppRet, rtl_uString * pTypeName )
+{
+    OSL_ENSURE( pContext && ppRet && pTypeName, "### null ptr!" );
+    if (!ppRet)
+        return;
+
+    if (*ppRet)
+    {
+        ::typelib_typedescription_release( *ppRet );
+        *ppRet = nullptr;
+    }
+    if (!(pContext && pTypeName))
+        return;
+
+    Reference< container::XHierarchicalNameAccess > access(
+        static_cast< container::XHierarchicalNameAccess * >(
+            pContext));
+    try
+    {
+        OUString const & rTypeName = OUString::unacquired( &pTypeName );
+        Reference< XTypeDescription > xTD;
+        if (access->getByHierarchicalName(rTypeName ) >>= xTD)
+        {
+            *ppRet = createCTD( access, xTD );
+        }
+    }
+    catch (const container::NoSuchElementException & exc)
+    {
+        SAL_INFO("cppuhelper", "typelibrary type not available: " << exc );
+    }
+    catch (const Exception & exc)
+    {
+        SAL_INFO("cppuhelper", exc );
+    }
+}
+}
+
+namespace {
+
+class EventListenerImpl
+    : public WeakImplHelper< lang::XEventListener >
+{
+    Reference< container::XHierarchicalNameAccess > m_xTDMgr;
+
+public:
+    explicit EventListenerImpl(
+        Reference< container::XHierarchicalNameAccess > const & xTDMgr )
+        : m_xTDMgr( xTDMgr )
+        {}
+
+    // XEventListener
+    virtual void SAL_CALL disposing( lang::EventObject const & rEvt ) override;
+};
+
+}
+
+void EventListenerImpl::disposing( lang::EventObject const & rEvt )
+{
+    if (rEvt.Source != m_xTDMgr) {
+        OSL_ASSERT(false);
+    }
+    // deregister of c typelib callback
+    ::typelib_typedescription_revokeCallback( m_xTDMgr.get(), typelib_callback );
+}
+
+
+sal_Bool SAL_CALL installTypeDescriptionManager(
+    Reference< container::XHierarchicalNameAccess > const & xTDMgr_c )
+{
+    uno::Environment curr_env(Environment::getCurrent());
+    uno::Environment target_env(CPPU_CURRENT_LANGUAGE_BINDING_NAME);
+
+    uno::Mapping curr2target(curr_env, target_env);
+
+
+    Reference<container::XHierarchicalNameAccess> xTDMgr(
+        static_cast<container::XHierarchicalNameAccess *>(
+            curr2target.mapInterface(xTDMgr_c.get(), cppu::UnoType<decltype(xTDMgr_c)>::get())),
+        SAL_NO_ACQUIRE);
+
+    Reference< lang::XComponent > xComp( xTDMgr, UNO_QUERY );
+    if (xComp.is())
+    {
+        xComp->addEventListener( new EventListenerImpl( xTDMgr ) );
+        // register c typelib callback
+        ::typelib_typedescription_registerCallback( xTDMgr.get(), typelib_callback );
+        return true;
+    }
+    return false;
+}
+
+} // end namespace cppu
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */