Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "IdentityMapping.hxx"
      21             : 
      22             : #include "uno/mapping.h"
      23             : #include "uno/environment.hxx"
      24             : 
      25             : #include "osl/interlck.h"
      26             : 
      27             : 
      28             : using namespace ::com::sun::star;
      29             : 
      30           5 : struct IdentityMapping : public uno_Mapping
      31             : {
      32             :     sal_Int32        m_nRef;
      33             :     uno::Environment m_env;
      34             : 
      35             :     IdentityMapping(uno::Environment const & rEnv);
      36             : };
      37             : 
      38             : extern "C"
      39             : {
      40             : 
      41           5 : static void SAL_CALL s_free(uno_Mapping * pMapping) SAL_THROW(())
      42             : {
      43           5 :     delete static_cast<IdentityMapping *>(pMapping);
      44           5 : }
      45             : 
      46          12 : static void SAL_CALL s_acquire(uno_Mapping * pMapping) SAL_THROW(())
      47             : {
      48          12 :     static rtl::OUString s_purpose;
      49             : 
      50          12 :     if (1 == osl_atomic_increment(&static_cast<IdentityMapping *>(pMapping)->m_nRef))
      51             :     {
      52             :         uno_registerMapping(
      53             :             &pMapping,
      54             :             s_free,
      55             :             static_cast<IdentityMapping *>(pMapping)->m_env.get(),
      56             :             static_cast<IdentityMapping *>(pMapping)->m_env.get(),
      57           5 :             s_purpose.pData);
      58             :     }
      59          12 : }
      60             : 
      61          12 : static void SAL_CALL s_release(uno_Mapping * pMapping) SAL_THROW(())
      62             : {
      63          12 :     if (!osl_atomic_decrement(&static_cast<IdentityMapping *>(pMapping )->m_nRef))
      64           5 :         uno_revokeMapping(pMapping);
      65          12 : }
      66             : 
      67          26 : static void SAL_CALL s_mapInterface(uno_Mapping                       * pMapping,
      68             :                                     void                             ** ppOut,
      69             :                                     void                              * pInterface,
      70             :                                     SAL_UNUSED_PARAMETER struct _typelib_InterfaceTypeDescription * /*pInterfaceTypeDescr*/)
      71             :     SAL_THROW(())
      72             : {
      73          26 :     *ppOut = pInterface;
      74             : 
      75          26 :     if (pInterface)
      76             :     {
      77          25 :         IdentityMapping * that = static_cast<IdentityMapping *>(pMapping);
      78             : 
      79          25 :         (that->m_env.get()->pExtEnv->acquireInterface)(that->m_env.get()->pExtEnv, pInterface);
      80             :     }
      81          26 : }
      82             : }
      83             : 
      84             : 
      85           5 : IdentityMapping::IdentityMapping(uno::Environment const & rEnv)
      86             :     : m_nRef(0),
      87           5 :       m_env(rEnv)
      88             : {
      89           5 :     uno_Mapping::acquire        = s_acquire;
      90           5 :     uno_Mapping::release        = s_release;
      91           5 :     uno_Mapping::mapInterface   = s_mapInterface;
      92           5 : }
      93             : 
      94             : 
      95           5 : uno_Mapping * createIdentityMapping(uno::Environment const & rEnv) SAL_THROW(())
      96             : {
      97           5 :     return new IdentityMapping(rEnv);
      98             : }
      99             : 
     100             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */