libreoffice/cppu/inc/cppu/Enterable.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef INCLUDED_cppu_Enterable_hxx
#define INCLUDED_cppu_Enterable_hxx

#include "uno/Enterable.h"
#include "rtl/ustring.hxx"

namespace cppu
{
/** C++ wrapper for binary C Enterable
    (http://wiki.services.openoffice.org/wiki/Uno/Cpp/Spec/Environment_Stack)

    @see uno_Enterable
    @since UDK 3.2.7
*/
class Enterable : public uno_Enterable
{
public:
    /* These methods need to be implemented in a derived class.
     */
    virtual void v_enter     (void)                                      = 0;
    virtual void v_leave     (void)                                      = 0;
    virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) = 0;
    virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) = 0;
    virtual int  v_isValid   (rtl::OUString * pReason)                   = 0;

    virtual ~Enterable() {};

public:
    inline explicit Enterable(void);

    inline void enter(void) {m_enter(this);};
    inline void leave(void) {m_leave(this);};

    inline void callInto_v(uno_EnvCallee * pCallee, va_list * pParam) {m_callInto_v(this, pCallee, pParam);};
    inline void callOut_v (uno_EnvCallee * pCallee, va_list * pParam) {m_callOut_v (this, pCallee, pParam);};

    inline void callInto(uno_EnvCallee * pCallee, ...);
    inline void callOut (uno_EnvCallee * pCallee, ...);

    inline int  isValid (rtl::OUString * pReason) {return m_isValid(this, (rtl_uString **)pReason);}

private:
    Enterable(Enterable const &);
    Enterable & operator = (Enterable const &);
};

extern "C" inline void Enterable_call_enter (void * context) { ((Enterable *)context)->v_enter(); };
extern "C" inline void Enterable_call_leave (void * context) { ((Enterable *)context)->v_leave(); };
extern "C" inline void Enterable_call_callInto_v(void * context, uno_EnvCallee * pCallee, va_list * pParam)
    { ((Enterable *)context)->v_callInto_v(pCallee, pParam); };
extern "C" inline void Enterable_call_callOut_v (void * context, uno_EnvCallee * pCallee, va_list * pParam)
    { ((Enterable *)context)->v_callOut_v(pCallee, pParam); };
extern "C" inline int  Enterable_call_isValid   (void * context, rtl_uString ** pReason)
    {return ((Enterable *)context)->v_isValid((rtl::OUString *)pReason);}


Enterable::Enterable(void)
{
    m_enter      = Enterable_call_enter;
    m_leave      = Enterable_call_leave;
    m_callInto_v = Enterable_call_callInto_v;
    m_callOut_v  = Enterable_call_callOut_v;
    m_isValid    = Enterable_call_isValid;
}

void Enterable::callInto(uno_EnvCallee * pCallee, ...)
{
    va_list param;

    va_start(param, pCallee);
    callInto_v(pCallee, &param);
    va_end(param);
}

void Enterable::callOut(uno_EnvCallee * pCallee, ...)
{
    va_list param;

    va_start(param, pCallee);
    callOut_v(pCallee, &param);
    va_end(param);
}

}


#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */