include/cppu/Enterable.hxx

   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 /*
  21  * This file is part of LibreOffice published API.
  22  */
  23
  24 #ifndef INCLUDED_CPPU_ENTERABLE_HXX
  25 #define INCLUDED_CPPU_ENTERABLE_HXX
  26
  27 #include "uno/Enterable.h"
  28 #include "rtl/ustring.hxx"
  29
  30 namespace cppu
  31 {
  32 /** C++ wrapper for binary C Enterable
  33     (http://wiki.openoffice.org/wiki/Uno/Cpp/Spec/Environment_Stack)
  34
  35     @see uno_Enterable
  36     @since UDK 3.2.7
  37 */
  38 class Enterable : public uno_Enterable
  39 {
  40 public:
  41     /* These methods need to be implemented in a derived class.
  42      */
  43     virtual void v_enter()                                      = 0;
  44     virtual void v_leave()                                      = 0;
  45     virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) = 0;
  46     virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) = 0;
  47     virtual bool v_isValid   (rtl::OUString * pReason)                   = 0;
  48
  49     virtual ~Enterable() {}
  50
  51 public:
  52     inline explicit Enterable();
  53
  54     void enter() {m_enter(this);}
  55     void leave() {m_leave(this);}
  56
  57     void callInto_v(uno_EnvCallee * pCallee, va_list * pParam) {m_callInto_v(this, pCallee, pParam);}
  58     void callOut_v (uno_EnvCallee * pCallee, va_list * pParam) {m_callOut_v (this, pCallee, pParam);}
  59
  60     inline void callInto(uno_EnvCallee * pCallee, ...);
  61     inline void callOut (uno_EnvCallee * pCallee, ...);
  62
  63     int  isValid (rtl::OUString * pReason) {return m_isValid(this, &pReason->pData);}
  64
  65 private:
  66     Enterable(Enterable const &) SAL_DELETED_FUNCTION;
  67     Enterable & operator = (Enterable const &) SAL_DELETED_FUNCTION;
  68 };
  69
  70 extern "C" inline void Enterable_call_enter (void * context) { static_cast<Enterable *>(context)->v_enter(); }
  71 extern "C" inline void Enterable_call_leave (void * context) { static_cast<Enterable *>(context)->v_leave(); }
  72 extern "C" inline void Enterable_call_callInto_v(void * context, uno_EnvCallee * pCallee, va_list * pParam)
  73     { static_cast<Enterable *>(context)->v_callInto_v(pCallee, pParam); }
  74 extern "C" inline void Enterable_call_callOut_v (void * context, uno_EnvCallee * pCallee, va_list * pParam)
  75     { static_cast<Enterable *>(context)->v_callOut_v(pCallee, pParam); }
  76 extern "C" inline int  Enterable_call_isValid   (void * context, rtl_uString ** pReason)
  77     {return static_cast<Enterable *>(context)->v_isValid(reinterpret_cast<rtl::OUString *>(pReason));}
  78
  79
  80 Enterable::Enterable()
  81 {
  82     m_enter      = Enterable_call_enter;
  83     m_leave      = Enterable_call_leave;
  84     m_callInto_v = Enterable_call_callInto_v;
  85     m_callOut_v  = Enterable_call_callOut_v;
  86     m_isValid    = Enterable_call_isValid;
  87 }
  88
  89 void Enterable::callInto(uno_EnvCallee * pCallee, ...)
  90 {
  91     va_list param;
  92
  93     va_start(param, pCallee);
  94     callInto_v(pCallee, &param);
  95     va_end(param);
  96 }
  97
  98 void Enterable::callOut(uno_EnvCallee * pCallee, ...)
  99 {
 100     va_list param;
 101
 102     va_start(param, pCallee);
 103     callOut_v(pCallee, &param);
 104     va_end(param);
 105 }
 106
 107 }
 108
 109
 110 #endif
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */