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       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             : #ifndef INCLUDED_CPPU_ENTERABLE_HXX
      21             : #define INCLUDED_CPPU_ENTERABLE_HXX
      22             : 
      23             : #include <uno/Enterable.h>
      24             : #include <rtl/ustring.hxx>
      25             : 
      26             : namespace cppu
      27             : {
      28             : /** C++ wrapper for binary C Enterable
      29             :     (http://wiki.openoffice.org/wiki/Uno/Cpp/Spec/Environment_Stack)
      30             : 
      31             :     @see uno_Enterable
      32             :     @since UDK 3.2.7
      33             : */
      34             : class Enterable : public uno_Enterable
      35             : {
      36             : public:
      37             :     /* These methods need to be implemented in a derived class.
      38             :      */
      39             :     virtual void v_enter()                                      = 0;
      40             :     virtual void v_leave()                                      = 0;
      41             :     virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) = 0;
      42             :     virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) = 0;
      43             :     virtual bool v_isValid   (rtl::OUString * pReason)                   = 0;
      44             : 
      45           2 :     virtual ~Enterable() {}
      46             : 
      47             : public:
      48             :     inline explicit Enterable();
      49             : 
      50           5 :     inline void enter() {m_enter(this);}
      51           1 :     inline void leave() {m_leave(this);}
      52             : 
      53     1429036 :     inline void callInto_v(uno_EnvCallee * pCallee, va_list * pParam) {m_callInto_v(this, pCallee, pParam);}
      54       89030 :     inline void callOut_v (uno_EnvCallee * pCallee, va_list * pParam) {m_callOut_v (this, pCallee, pParam);}
      55             : 
      56             :     inline void callInto(uno_EnvCallee * pCallee, ...);
      57             :     inline void callOut (uno_EnvCallee * pCallee, ...);
      58             : 
      59           0 :     inline int  isValid (rtl::OUString * pReason) {return m_isValid(this, &pReason->pData);}
      60             : 
      61             : private:
      62             :     Enterable(Enterable const &) SAL_DELETED_FUNCTION;
      63             :     Enterable & operator = (Enterable const &) SAL_DELETED_FUNCTION;
      64             : };
      65             : 
      66           5 : extern "C" inline void Enterable_call_enter (void * context) { static_cast<Enterable *>(context)->v_enter(); }
      67           1 : extern "C" inline void Enterable_call_leave (void * context) { static_cast<Enterable *>(context)->v_leave(); }
      68     1429036 : extern "C" inline void Enterable_call_callInto_v(void * context, uno_EnvCallee * pCallee, va_list * pParam)
      69     1429036 :     { static_cast<Enterable *>(context)->v_callInto_v(pCallee, pParam); }
      70       89030 : extern "C" inline void Enterable_call_callOut_v (void * context, uno_EnvCallee * pCallee, va_list * pParam)
      71       89030 :     { static_cast<Enterable *>(context)->v_callOut_v(pCallee, pParam); }
      72           0 : extern "C" inline int  Enterable_call_isValid   (void * context, rtl_uString ** pReason)
      73           0 :     {return static_cast<Enterable *>(context)->v_isValid(reinterpret_cast<rtl::OUString *>(pReason));}
      74             : 
      75             : 
      76          10 : Enterable::Enterable()
      77             : {
      78          10 :     m_enter      = Enterable_call_enter;
      79          10 :     m_leave      = Enterable_call_leave;
      80          10 :     m_callInto_v = Enterable_call_callInto_v;
      81          10 :     m_callOut_v  = Enterable_call_callOut_v;
      82          10 :     m_isValid    = Enterable_call_isValid;
      83          10 : }
      84             : 
      85      714518 : void Enterable::callInto(uno_EnvCallee * pCallee, ...)
      86             : {
      87             :     va_list param;
      88             : 
      89      714518 :     va_start(param, pCallee);
      90      714518 :     callInto_v(pCallee, &param);
      91      714518 :     va_end(param);
      92      714518 : }
      93             : 
      94             : void Enterable::callOut(uno_EnvCallee * pCallee, ...)
      95             : {
      96             :     va_list param;
      97             : 
      98             :     va_start(param, pCallee);
      99             :     callOut_v(pCallee, &param);
     100             :     va_end(param);
     101             : }
     102             : 
     103             : }
     104             : 
     105             : 
     106             : #endif
     107             : 
     108             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */