Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 914 insertions, 0 deletions

diff --git a/stoc/source/invocation_adapterfactory/iafactory.cxx b/stoc/source/invocation_adapterfactory/iafactory.cxx
new file mode 100644
index 000000000..e6a66cf8d
--- /dev/null
+++ b/stoc/source/invocation_adapterfactory/iafactory.cxx
@@ -0,0 +1,914 @@
+/* -*- 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 <osl/diagnose.h>
+#include <osl/interlck.h>
+#include <osl/mutex.hxx>
+#include <o3tl/sorted_vector.hxx>
+#include <sal/log.hxx>
+
+#include <uno/dispatcher.h>
+#include <uno/data.h>
+#include <uno/any2.h>
+#include <uno/lbnames.h>
+#include <uno/mapping.hxx>
+
+#include <cppuhelper/factory.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/implementationentry.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+#include <com/sun/star/script/XTypeConverter.hpp>
+#include <com/sun/star/script/XInvocationAdapterFactory.hpp>
+#include <com/sun/star/script/XInvocationAdapterFactory2.hpp>
+#include <com/sun/star/script/XInvocation.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/reflection/InvocationTargetException.hpp>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+#define IMPLNAME    "com.sun.star.comp.stoc.InvocationAdapterFactory"
+
+using namespace ::std;
+using namespace ::osl;
+using namespace ::com::sun::star;
+using namespace css::uno;
+
+namespace stoc_invadp
+{
+
+static Sequence< OUString > invadp_getSupportedServiceNames()
+{
+    Sequence< OUString > seqNames { "com.sun.star.script.InvocationAdapterFactory" };
+    return seqNames;
+}
+
+static OUString invadp_getImplementationName()
+{
+    return IMPLNAME;
+}
+
+namespace {
+
+struct hash_ptr
+{
+    size_t operator() ( void * p ) const
+        { return reinterpret_cast<size_t>(p); }
+};
+
+}
+
+typedef o3tl::sorted_vector< void * > t_ptr_set;
+typedef std::unordered_map< void *, t_ptr_set, hash_ptr > t_ptr_map;
+
+namespace {
+
+class FactoryImpl
+    : public ::cppu::WeakImplHelper< lang::XServiceInfo,
+                                      script::XInvocationAdapterFactory,
+                                      script::XInvocationAdapterFactory2 >
+{
+public:
+    Mapping m_aUno2Cpp;
+    Mapping m_aCpp2Uno;
+    uno_Interface * m_pConverter;
+
+    typelib_TypeDescription * m_pInvokMethodTD;
+    typelib_TypeDescription * m_pSetValueTD;
+    typelib_TypeDescription * m_pGetValueTD;
+    typelib_TypeDescription * m_pAnySeqTD;
+    typelib_TypeDescription * m_pShortSeqTD;
+    typelib_TypeDescription * m_pConvertToTD;
+
+    Mutex m_mutex;
+    t_ptr_map m_receiver2adapters;
+
+    explicit FactoryImpl( Reference< XComponentContext > const & xContext );
+    virtual ~FactoryImpl() override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString & rServiceName ) override;
+    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+    // XInvocationAdapterFactory
+    virtual Reference< XInterface > SAL_CALL createAdapter(
+        const Reference< script::XInvocation > & xReceiver, const Type & rType ) override;
+    // XInvocationAdapterFactory2
+    virtual Reference< XInterface > SAL_CALL createAdapter(
+        const Reference< script::XInvocation > & xReceiver,
+        const Sequence< Type > & rTypes ) override;
+};
+struct AdapterImpl;
+
+struct InterfaceAdapterImpl : public uno_Interface
+{
+    AdapterImpl *                           m_pAdapter;
+    typelib_InterfaceTypeDescription *      m_pTypeDescr;
+};
+
+struct AdapterImpl
+{
+    oslInterlockedCount         m_nRef;
+    FactoryImpl *               m_pFactory;
+    void *                      m_key; // map key
+    uno_Interface *             m_pReceiver; // XInvocation receiver
+
+    std::vector<InterfaceAdapterImpl>  m_vInterfaces;
+
+    // XInvocation calls
+    void getValue(
+        const typelib_TypeDescription * pMemberType,
+        void * pReturn, uno_Any ** ppException );
+    void setValue(
+        const typelib_TypeDescription * pMemberType,
+        void * pArgs[], uno_Any ** ppException );
+    void invoke(
+        const typelib_TypeDescription * pMemberType,
+        void * pReturn, void * pArgs[], uno_Any ** ppException );
+
+    bool coerce_assign(
+        void * pDest, typelib_TypeDescriptionReference * pType,
+        uno_Any * pSource, uno_Any * pExc );
+    inline bool coerce_construct(
+        void * pDest, typelib_TypeDescriptionReference * pType,
+        uno_Any * pSource, uno_Any * pExc );
+
+    inline void acquire();
+    inline void release();
+    inline ~AdapterImpl();
+    inline AdapterImpl(
+        void * key, Reference< script::XInvocation > const & xReceiver,
+        const Sequence< Type > & rTypes,
+        FactoryImpl * pFactory );
+
+    // Copy assignment is forbidden and not implemented.
+    AdapterImpl (const AdapterImpl &) = delete;
+    AdapterImpl & operator= (const AdapterImpl &) = delete;
+};
+
+}
+
+inline AdapterImpl::~AdapterImpl()
+{
+    for ( size_t nPos = m_vInterfaces.size(); nPos--; )
+    {
+        ::typelib_typedescription_release(
+            &m_vInterfaces[ nPos ].m_pTypeDescr->aBase );
+    }
+
+    (*m_pReceiver->release)( m_pReceiver );
+    m_pFactory->release();
+}
+
+inline void AdapterImpl::acquire()
+{
+    osl_atomic_increment( &m_nRef );
+}
+
+inline void AdapterImpl::release()
+{
+    bool delete_this = false;
+    {
+    MutexGuard guard( m_pFactory->m_mutex );
+    if (! osl_atomic_decrement( &m_nRef ))
+    {
+        t_ptr_map::iterator iFind(
+            m_pFactory->m_receiver2adapters.find( m_key ) );
+        OSL_ASSERT( m_pFactory->m_receiver2adapters.end() != iFind );
+        t_ptr_set & adapter_set = iFind->second;
+        if (adapter_set.erase( this ) != 1) {
+            OSL_ASSERT( false );
+        }
+        if (adapter_set.empty())
+        {
+            m_pFactory->m_receiver2adapters.erase( iFind );
+        }
+        delete_this = true;
+    }
+    }
+    if (delete_this)
+        delete this;
+}
+
+
+static void constructRuntimeException(
+    uno_Any * pExc, const OUString & rMsg )
+{
+    RuntimeException exc( rMsg );
+    // no conversion needed due to binary compatibility + no convertible type
+    ::uno_type_any_construct(
+        pExc, &exc, cppu::UnoType<decltype(exc)>::get().getTypeLibType(), nullptr );
+}
+
+
+static bool type_equals(
+    typelib_TypeDescriptionReference * pType1,
+    typelib_TypeDescriptionReference * pType2 )
+{
+    return (pType1 == pType2 ||
+            (pType1->pTypeName->length == pType2->pTypeName->length &&
+             0 == ::rtl_ustr_compare(
+                 pType1->pTypeName->buffer, pType2->pTypeName->buffer )));
+}
+
+
+bool AdapterImpl::coerce_assign(
+    void * pDest, typelib_TypeDescriptionReference * pType, uno_Any * pSource,
+    uno_Any * pOutExc )
+{
+    if (typelib_TypeClass_ANY == pType->eTypeClass)
+    {
+        ::uno_type_any_assign(
+            static_cast<uno_Any *>(pDest), pSource->pData, pSource->pType, nullptr, nullptr );
+        return true;
+    }
+    if (::uno_type_assignData(
+            pDest, pType, pSource->pData, pSource->pType, nullptr, nullptr, nullptr ))
+    {
+        return true;
+    }
+    else // try type converter
+    {
+        uno_Any ret;
+        void * args[ 2 ];
+        args[ 0 ] = pSource;
+        args[ 1 ] = &pType;
+        uno_Any exc;
+        uno_Any * p_exc = &exc;
+
+        // converTo()
+        (*m_pFactory->m_pConverter->pDispatcher)(
+            m_pFactory->m_pConverter,
+            m_pFactory->m_pConvertToTD, &ret, args, &p_exc );
+
+        if (p_exc) // exception occurred
+        {
+            OSL_ASSERT(
+                p_exc->pType->eTypeClass == typelib_TypeClass_EXCEPTION );
+            if (typelib_typedescriptionreference_isAssignableFrom( cppu::UnoType<RuntimeException>::get().getTypeLibType(),
+                    p_exc->pType ))
+            {
+                // is RuntimeException or derived: rethrow
+                uno_type_any_construct(
+                    pOutExc, p_exc->pData, p_exc->pType, nullptr );
+            }
+            else
+            {
+                // set runtime exception
+                constructRuntimeException(
+                    pOutExc, "type coercion failed: " +
+                    static_cast< Exception const * >(
+                        p_exc->pData )->Message );
+            }
+            ::uno_any_destruct( p_exc, nullptr );
+            // pOutExc constructed
+            return false;
+        }
+        else
+        {
+            bool succ = ::uno_type_assignData(
+                             pDest, pType, ret.pData, ret.pType, nullptr, nullptr, nullptr );
+            ::uno_any_destruct( &ret, nullptr );
+            OSL_ENSURE(
+                succ, "### conversion succeeded, but assignment failed!?" );
+            if (! succ)
+            {
+                // set runtime exception
+                constructRuntimeException(
+                    pOutExc,
+                    "type coercion failed: "
+                    "conversion succeeded, but assignment failed?!" );
+            }
+            return succ;
+        }
+    }
+}
+
+inline bool AdapterImpl::coerce_construct(
+    void * pDest, typelib_TypeDescriptionReference * pType, uno_Any * pSource,
+    uno_Any * pExc )
+{
+    if (typelib_TypeClass_ANY == pType->eTypeClass)
+    {
+        ::uno_type_copyData( pDest, pSource, pType, nullptr );
+        return true;
+    }
+    if (type_equals( pType, pSource->pType))
+    {
+        ::uno_type_copyData( pDest, pSource->pData, pType, nullptr );
+        return true;
+    }
+    ::uno_type_constructData( pDest, pType );
+    return coerce_assign( pDest, pType, pSource, pExc );
+}
+
+
+static void handleInvokExc( uno_Any * pDest, uno_Any * pSource )
+{
+    OUString const & name =
+        OUString::unacquired( &pSource->pType->pTypeName );
+
+    if ( name == "com.sun.star.reflection.InvocationTargetException" )
+    {
+        // unwrap invocation target exception
+        uno_Any * target_exc =
+            &static_cast< reflection::InvocationTargetException * >(
+                pSource->pData )->TargetException;
+        ::uno_type_any_construct(
+            pDest, target_exc->pData, target_exc->pType, nullptr );
+    }
+    else // all other exceptions are wrapped to RuntimeException
+    {
+        if (typelib_TypeClass_EXCEPTION == pSource->pType->eTypeClass)
+        {
+            constructRuntimeException(
+                pDest, static_cast<Exception const *>(pSource->pData)->Message );
+        }
+        else
+        {
+            constructRuntimeException(
+                pDest, "no exception has been thrown via invocation?!" );
+        }
+    }
+}
+
+void AdapterImpl::getValue(
+    const typelib_TypeDescription * pMemberType,
+    void * pReturn, uno_Any ** ppException )
+{
+    uno_Any aInvokRet;
+    void * pInvokArgs[1];
+    pInvokArgs[0] = const_cast<rtl_uString **>(
+        &reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberType)->pMemberName);
+    uno_Any aInvokExc;
+    uno_Any * pInvokExc = &aInvokExc;
+
+    // getValue()
+    (*m_pReceiver->pDispatcher)(
+        m_pReceiver, m_pFactory->m_pGetValueTD,
+        &aInvokRet, pInvokArgs, &pInvokExc );
+
+    if (pInvokExc) // getValue() call exception
+    {
+        handleInvokExc( *ppException, pInvokExc );
+        ::uno_any_destruct( pInvokExc, nullptr ); // cleanup
+    }
+    else // invocation call succeeded
+    {
+        if (coerce_construct(
+                pReturn,
+                reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(
+                 pMemberType)->pAttributeTypeRef,
+                &aInvokRet, *ppException ))
+        {
+            *ppException = nullptr; // no exceptions be thrown
+        }
+        ::uno_any_destruct( &aInvokRet, nullptr );
+    }
+}
+
+void AdapterImpl::setValue(
+    const typelib_TypeDescription * pMemberType,
+    void * pArgs[], uno_Any ** ppException )
+{
+    uno_Any aInvokVal;
+    ::uno_type_any_construct(
+        &aInvokVal, pArgs[0],
+        reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(
+         pMemberType)->pAttributeTypeRef, nullptr );
+
+    void * pInvokArgs[2];
+    pInvokArgs[0] = const_cast<rtl_uString **>(
+        &reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberType)->pMemberName);
+    pInvokArgs[1] = &aInvokVal;
+    uno_Any aInvokExc;
+    uno_Any * pInvokExc = &aInvokExc;
+
+    // setValue()
+    (*m_pReceiver->pDispatcher)(
+        m_pReceiver, m_pFactory->m_pSetValueTD, nullptr, pInvokArgs, &pInvokExc );
+
+    if (pInvokExc) // setValue() call exception
+    {
+        handleInvokExc( *ppException, pInvokExc );
+        ::uno_any_destruct( pInvokExc, nullptr ); // cleanup
+    }
+    else // invocation call succeeded
+    {
+        *ppException = nullptr; // no exceptions be thrown
+    }
+
+    ::uno_any_destruct( &aInvokVal, nullptr ); // cleanup
+}
+
+void AdapterImpl::invoke(
+    const typelib_TypeDescription * pMemberType,
+    void * pReturn, void * pArgs[], uno_Any ** ppException )
+{
+    sal_Int32 nParams =
+        reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberType)->nParams;
+    typelib_MethodParameter * pFormalParams =
+        reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberType)->pParams;
+
+    // in params
+    uno_Sequence * pInParamsSeq = nullptr;
+    ::uno_sequence_construct(
+        &pInParamsSeq, m_pFactory->m_pAnySeqTD, nullptr, nParams, nullptr );
+    uno_Any * pInAnys = reinterpret_cast<uno_Any *>(pInParamsSeq->elements);
+    sal_Int32 nOutParams = 0;
+    sal_Int32 nPos;
+    for ( nPos = nParams; nPos--; )
+    {
+        typelib_MethodParameter const & rParam = pFormalParams[nPos];
+        if (rParam.bIn) // is in/inout param
+        {
+            ::uno_type_any_assign(
+                &pInAnys[nPos], pArgs[nPos], rParam.pTypeRef, nullptr, nullptr );
+        }
+        // else: pure out is empty any
+
+        if (rParam.bOut)
+            ++nOutParams;
+    }
+
+    // out params, out indices
+    uno_Sequence * pOutIndices;
+    uno_Sequence * pOutParams;
+    // return value
+    uno_Any aInvokRet;
+    // perform call
+    void * pInvokArgs[4];
+    pInvokArgs[0] = const_cast<rtl_uString **>(
+        &reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberType)->pMemberName);
+    pInvokArgs[1] = &pInParamsSeq;
+    pInvokArgs[2] = &pOutIndices;
+    pInvokArgs[3] = &pOutParams;
+    uno_Any aInvokExc;
+    uno_Any * pInvokExc = &aInvokExc;
+
+    // invoke() call
+    (*m_pReceiver->pDispatcher)(
+        m_pReceiver, m_pFactory->m_pInvokMethodTD,
+        &aInvokRet, pInvokArgs, &pInvokExc );
+
+    if (pInvokExc)
+    {
+        handleInvokExc( *ppException, pInvokExc );
+        ::uno_any_destruct( pInvokExc, nullptr ); // cleanup
+    }
+    else // no invocation exception
+    {
+        // write changed out params
+        OSL_ENSURE(
+            pOutParams->nElements == nOutParams &&
+            pOutIndices->nElements == nOutParams,
+            "### out params lens differ!" );
+        if (pOutParams->nElements == nOutParams &&
+            pOutIndices->nElements == nOutParams)
+        {
+            sal_Int16 * pIndices = reinterpret_cast<sal_Int16 *>(pOutIndices->elements);
+            uno_Any * pOut       = reinterpret_cast<uno_Any *>(pOutParams->elements);
+            for ( nPos = 0; nPos < nOutParams; ++nPos )
+            {
+                sal_Int32 nIndex = pIndices[nPos];
+                OSL_ENSURE( nIndex < nParams, "### illegal index!" );
+                typelib_MethodParameter const & rParam = pFormalParams[nIndex];
+                bool succ;
+                if (rParam.bIn) // is in/inout param
+                {
+                    succ = coerce_assign(
+                        pArgs[nIndex], rParam.pTypeRef, &pOut[nPos],
+                        *ppException );
+                }
+                else // pure out
+                {
+                    succ = coerce_construct(
+                        pArgs[nIndex], rParam.pTypeRef, &pOut[nPos],
+                        *ppException );
+                }
+                if (! succ) // cleanup of out params
+                {
+                    for ( sal_Int32 n = 0; n <= nPos; ++n )
+                    {
+                        sal_Int32 nIndex2 = pIndices[n];
+                        OSL_ENSURE( nIndex2 < nParams, "### illegal index!" );
+                        typelib_MethodParameter const & rParam2 =
+                            pFormalParams[nIndex2];
+                        if (! rParam2.bIn) // is pure out param
+                        {
+                            ::uno_type_destructData(
+                                pArgs[nIndex2], rParam2.pTypeRef, nullptr );
+                        }
+                    }
+                }
+            }
+            if (nPos == pOutIndices->nElements)
+            {
+                // out param copy ok; write return value
+                if (coerce_construct(
+                        pReturn,
+                        reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(
+                         pMemberType)->pReturnTypeRef,
+                        &aInvokRet, *ppException ))
+                {
+                    *ppException = nullptr; // no exception
+                }
+            }
+        }
+        else
+        {
+            // set runtime exception
+            constructRuntimeException(
+                *ppException,
+                "out params lengths differ after invocation call!" );
+        }
+        // cleanup invok out params
+        ::uno_destructData( &pOutIndices, m_pFactory->m_pShortSeqTD, nullptr );
+        ::uno_destructData( &pOutParams, m_pFactory->m_pAnySeqTD, nullptr );
+        // cleanup invok return value
+        ::uno_any_destruct( &aInvokRet, nullptr );
+    }
+    // cleanup constructed in params
+    ::uno_destructData( &pInParamsSeq, m_pFactory->m_pAnySeqTD, nullptr );
+}
+
+extern "C"
+{
+
+static void adapter_acquire( uno_Interface * pUnoI )
+{
+    static_cast< InterfaceAdapterImpl * >( pUnoI )->m_pAdapter->acquire();
+}
+
+static void adapter_release( uno_Interface * pUnoI )
+{
+    static_cast< InterfaceAdapterImpl * >( pUnoI )->m_pAdapter->release();
+}
+
+static void adapter_dispatch(
+    uno_Interface * pUnoI, const typelib_TypeDescription * pMemberType,
+    void * pReturn, void * pArgs[], uno_Any ** ppException )
+{
+    // query to emulated interface
+    switch (reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberType)->nPosition)
+    {
+    case 0: // queryInterface()
+    {
+        AdapterImpl * that =
+            static_cast< InterfaceAdapterImpl * >( pUnoI )->m_pAdapter;
+        *ppException = nullptr; // no exc
+        typelib_TypeDescriptionReference * pDemanded =
+            *static_cast<typelib_TypeDescriptionReference **>(pArgs[0]);
+        // pInterfaces[0] is XInterface
+        for ( size_t nPos = 0; nPos < that->m_vInterfaces.size(); ++nPos )
+        {
+            typelib_InterfaceTypeDescription * pTD =
+                that->m_vInterfaces[nPos].m_pTypeDescr;
+            while (pTD)
+            {
+                if (type_equals( pTD->aBase.pWeakRef, pDemanded ))
+                {
+                    uno_Interface * pUnoI2 = &that->m_vInterfaces[nPos];
+                    ::uno_any_construct(
+                        static_cast<uno_Any *>(pReturn), &pUnoI2,
+                        &pTD->aBase, nullptr );
+                    return;
+                }
+                pTD = pTD->pBaseTypeDescription;
+            }
+        }
+        ::uno_any_construct( static_cast<uno_Any *>(pReturn), nullptr, nullptr, nullptr ); // clear()
+        break;
+    }
+    case 1: // acquire()
+        *ppException = nullptr; // no exc
+        adapter_acquire( pUnoI );
+        break;
+    case 2: // release()
+        *ppException = nullptr; // no exc
+        adapter_release( pUnoI );
+        break;
+
+    default:
+    {
+        AdapterImpl * that =
+            static_cast< InterfaceAdapterImpl * >( pUnoI )->m_pAdapter;
+        if (pMemberType->eTypeClass == typelib_TypeClass_INTERFACE_METHOD)
+        {
+            that->invoke( pMemberType, pReturn, pArgs, ppException );
+        }
+        else // attribute
+        {
+            if (pReturn)
+                that->getValue( pMemberType, pReturn, ppException );
+            else
+                that->setValue( pMemberType, pArgs, ppException );
+        }
+    }
+    }
+}
+}
+
+AdapterImpl::AdapterImpl(
+    void * key, Reference< script::XInvocation > const & xReceiver,
+    const Sequence< Type > & rTypes,
+    FactoryImpl * pFactory )
+        : m_nRef( 1 ),
+          m_pFactory( pFactory ),
+          m_key( key ),
+          m_vInterfaces( rTypes.getLength() )
+{
+    // init adapters
+    const Type * pTypes = rTypes.getConstArray();
+    for ( sal_Int32 nPos = rTypes.getLength(); nPos--; )
+    {
+        InterfaceAdapterImpl * pInterface = &m_vInterfaces[nPos];
+        pInterface->acquire = adapter_acquire;
+        pInterface->release = adapter_release;
+        pInterface->pDispatcher = adapter_dispatch;
+        pInterface->m_pAdapter = this;
+        pInterface->m_pTypeDescr = nullptr;
+        pTypes[nPos].getDescription(
+            reinterpret_cast<typelib_TypeDescription **>(&pInterface->m_pTypeDescr) );
+        OSL_ASSERT( pInterface->m_pTypeDescr );
+        if (! pInterface->m_pTypeDescr)
+        {
+            for ( sal_Int32 n = 0; n < nPos; ++n )
+            {
+                ::typelib_typedescription_release(
+                    &m_vInterfaces[ n ].m_pTypeDescr->aBase );
+            }
+            throw RuntimeException(
+                "cannot retrieve all interface type infos!" );
+        }
+    }
+
+    // map receiver
+    m_pReceiver = static_cast<uno_Interface *>(m_pFactory->m_aCpp2Uno.mapInterface(
+        xReceiver.get(), cppu::UnoType<decltype(xReceiver)>::get() ));
+    OSL_ASSERT( nullptr != m_pReceiver );
+    if (! m_pReceiver)
+    {
+        throw RuntimeException( "cannot map receiver!" );
+    }
+
+    m_pFactory->acquire();
+}
+
+
+FactoryImpl::FactoryImpl( Reference< XComponentContext > const & xContext )
+    : m_aUno2Cpp(Mapping( UNO_LB_UNO, CPPU_CURRENT_LANGUAGE_BINDING_NAME )),
+      m_aCpp2Uno(Mapping( CPPU_CURRENT_LANGUAGE_BINDING_NAME, UNO_LB_UNO)),
+      m_pInvokMethodTD( nullptr ),
+      m_pSetValueTD( nullptr ),
+      m_pGetValueTD( nullptr ),
+      m_pAnySeqTD( nullptr ),
+      m_pShortSeqTD( nullptr ),
+      m_pConvertToTD( nullptr )
+{
+    // C++/UNO bridge
+    OSL_ENSURE(
+        m_aUno2Cpp.is() && m_aCpp2Uno.is(), "### no uno / C++ mappings!" );
+
+    // type converter
+    Reference< script::XTypeConverter > xConverter(
+        xContext->getServiceManager()->createInstanceWithContext(
+            "com.sun.star.script.Converter",
+            xContext ),
+        UNO_QUERY_THROW );
+    m_pConverter = static_cast<uno_Interface *>(m_aCpp2Uno.mapInterface(
+        xConverter.get(), cppu::UnoType<decltype(xConverter)>::get() ));
+    OSL_ASSERT( nullptr != m_pConverter );
+
+    // some type info:
+    // sequence< any >
+    Type const & rAnySeqType = cppu::UnoType<Sequence< Any >>::get();
+    rAnySeqType.getDescription( &m_pAnySeqTD );
+    // sequence< short >
+    const Type & rShortSeqType =
+        cppu::UnoType<Sequence< sal_Int16 >>::get();
+    rShortSeqType.getDescription( &m_pShortSeqTD );
+    // script.XInvocation
+    typelib_TypeDescription * pTD = nullptr;
+    const Type & rInvType = cppu::UnoType<script::XInvocation>::get();
+    TYPELIB_DANGER_GET( &pTD, rInvType.getTypeLibType() );
+    typelib_InterfaceTypeDescription * pITD;
+    pITD = reinterpret_cast<typelib_InterfaceTypeDescription*>(pTD);
+    if( ! pITD->aBase.bComplete )
+        typelib_typedescription_complete( &pTD );
+    ::typelib_typedescriptionreference_getDescription(
+        &m_pInvokMethodTD, pITD->ppMembers[ 1 ] ); // invoke()
+    ::typelib_typedescriptionreference_getDescription(
+        &m_pSetValueTD, pITD->ppMembers[ 2 ] ); // setValue()
+    ::typelib_typedescriptionreference_getDescription(
+        &m_pGetValueTD, pITD->ppMembers[ 3 ] ); // getValue()
+    // script.XTypeConverter
+    const Type & rTCType =
+        cppu::UnoType<script::XTypeConverter>::get();
+    TYPELIB_DANGER_GET( &pTD, rTCType.getTypeLibType() );
+    pITD = reinterpret_cast<typelib_InterfaceTypeDescription*>(pTD);
+    ::typelib_typedescriptionreference_getDescription(
+        &m_pConvertToTD, pITD->ppMembers[ 0 ] ); // convertTo()
+    TYPELIB_DANGER_RELEASE( pTD );
+
+    if (!m_pInvokMethodTD || !m_pSetValueTD || !m_pGetValueTD ||
+        !m_pConvertToTD ||
+        !m_pAnySeqTD || !m_pShortSeqTD)
+    {
+        throw RuntimeException( "missing type descriptions!" );
+    }
+}
+
+FactoryImpl::~FactoryImpl()
+{
+    ::typelib_typedescription_release( m_pInvokMethodTD );
+    ::typelib_typedescription_release( m_pSetValueTD );
+    ::typelib_typedescription_release( m_pGetValueTD );
+    ::typelib_typedescription_release( m_pAnySeqTD );
+    ::typelib_typedescription_release( m_pShortSeqTD );
+    ::typelib_typedescription_release( m_pConvertToTD );
+
+    (*m_pConverter->release)( m_pConverter );
+
+#if OSL_DEBUG_LEVEL > 0
+    assert(m_receiver2adapters.empty() && "still adapters out there!?");
+#endif
+}
+
+
+static AdapterImpl * lookup_adapter(
+    t_ptr_set ** pp_adapter_set,
+    t_ptr_map & map, void * key, Sequence< Type > const & rTypes )
+{
+    t_ptr_set & adapters_set = map[ key ];
+    *pp_adapter_set = &adapters_set;
+    if (adapters_set.empty())
+        return nullptr; // shortcut
+    // find matching adapter
+    Type const * pTypes = rTypes.getConstArray();
+    sal_Int32 nTypes = rTypes.getLength();
+    for (const auto& rpAdapter : adapters_set)
+    {
+        AdapterImpl * that = static_cast< AdapterImpl * >( rpAdapter );
+        // iterate through all types if that is a matching adapter
+        sal_Int32 nPosTypes;
+        for ( nPosTypes = nTypes; nPosTypes--; )
+        {
+            Type const & rType = pTypes[ nPosTypes ];
+            // find in adapter's type list
+            sal_Int32 nPos;
+            for ( nPos = that->m_vInterfaces.size(); nPos--; )
+            {
+                if (::typelib_typedescriptionreference_isAssignableFrom(
+                        rType.getTypeLibType(),
+                        that->m_vInterfaces[ nPos ].m_pTypeDescr->aBase.pWeakRef ))
+                {
+                    // found
+                    break;
+                }
+            }
+            if (nPos < 0) // type not found => next adapter
+                break;
+        }
+        if (nPosTypes < 0) // all types found
+            return that;
+    }
+    return nullptr;
+}
+
+// XInvocationAdapterFactory2 impl
+
+Reference< XInterface > FactoryImpl::createAdapter(
+    const Reference< script::XInvocation > & xReceiver,
+    const Sequence< Type > & rTypes )
+{
+    Reference< XInterface > xRet;
+    if (xReceiver.is() && rTypes.hasElements())
+    {
+        t_ptr_set * adapter_set;
+        AdapterImpl * that;
+        Reference< XInterface > xKey( xReceiver, UNO_QUERY );
+        {
+        ClearableMutexGuard guard( m_mutex );
+        that = lookup_adapter(
+            &adapter_set, m_receiver2adapters, xKey.get(), rTypes );
+        if (nullptr == that) // no entry
+        {
+            guard.clear();
+            // create adapter; already acquired: m_nRef == 1
+            AdapterImpl * pNew =
+                new AdapterImpl( xKey.get(), xReceiver, rTypes, this );
+            // lookup again
+            ClearableMutexGuard guard2( m_mutex );
+            that = lookup_adapter(
+                &adapter_set, m_receiver2adapters, xKey.get(), rTypes );
+            if (nullptr == that) // again no entry
+            {
+                pair< t_ptr_set::const_iterator, bool > i(adapter_set->insert(pNew));
+                SAL_WARN_IF(
+                    !i.second, "stoc",
+                    "set already contains " << *(i.first) << " != " << pNew);
+                that = pNew;
+            }
+            else
+            {
+                that->acquire();
+                guard2.clear();
+                delete pNew; // has never been inserted
+            }
+        }
+        else // found adapter
+        {
+            that->acquire();
+        }
+        }
+        // map one interface to C++
+        uno_Interface * pUnoI = that->m_vInterfaces.data();
+        m_aUno2Cpp.mapInterface(
+            reinterpret_cast<void **>(&xRet), pUnoI, cppu::UnoType<decltype(xRet)>::get() );
+        that->release();
+        OSL_ASSERT( xRet.is() );
+        if (! xRet.is())
+        {
+            throw RuntimeException( "mapping UNO to C++ failed!" );
+        }
+    }
+    return xRet;
+}
+// XInvocationAdapterFactory impl
+
+Reference< XInterface > FactoryImpl::createAdapter(
+    const Reference< script::XInvocation > & xReceiver, const Type & rType )
+{
+    return createAdapter( xReceiver, Sequence< Type >( &rType, 1 ) );
+}
+
+// XServiceInfo
+
+OUString FactoryImpl::getImplementationName()
+{
+    return invadp_getImplementationName();
+}
+
+sal_Bool FactoryImpl::supportsService( const OUString & rServiceName )
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+Sequence< OUString > FactoryImpl::getSupportedServiceNames()
+{
+    return invadp_getSupportedServiceNames();
+}
+
+/// @throws Exception
+static Reference< XInterface > FactoryImpl_create(
+    const Reference< XComponentContext > & xContext )
+{
+    return static_cast<cppu::OWeakObject *>(new FactoryImpl( xContext ));
+}
+
+}
+
+
+static const struct ::cppu::ImplementationEntry g_entries[] =
+{
+    {
+        ::stoc_invadp::FactoryImpl_create,
+        ::stoc_invadp::invadp_getImplementationName,
+        ::stoc_invadp::invadp_getSupportedServiceNames,
+        ::cppu::createOneInstanceComponentFactory,
+        nullptr, 0
+    },
+    { nullptr, nullptr, nullptr, nullptr, nullptr, 0 }
+};
+
+extern "C" SAL_DLLPUBLIC_EXPORT void * invocadapt_component_getFactory(
+    const char * pImplName, void * pServiceManager, void * pRegistryKey )
+{
+    return ::cppu::component_getFactoryHelper(
+        pImplName, pServiceManager, pRegistryKey , g_entries );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */