/*

  editinteractor.h - Interface for edit interactors

  Copyright (C) 2007 Klarälvdalens Datakonsult AB

  2016 Bundesamt für Sicherheit in der Informationstechnik

  Software engineering by Intevation GmbH

  This file is part of GPGME++.

  GPGME++ is free software; you can redistribute it and/or

  modify it under the terms of the GNU Library General Public

  License as published by the Free Software Foundation; either

  version 2 of the License, or (at your option) any later version.

  GPGME++ 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 Library General Public License for more details.

  You should have received a copy of the GNU Library General Public License

  along with GPGME++; see the file COPYING.LIB.  If not, write to the

  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

  Boston, MA 02110-1301, USA.

*/

#ifndef __GPGMEPP_EDITINTERACTOR_H__

#define __GPGMEPP_EDITINTERACTOR_H__

#include "gpgmepp_export.h"

#include <cstdio>

namespace GpgME

{

class Error;

class Context;

class CallbackHelper;

class GPGMEPP_EXPORT EditInteractor

{

    friend class ::GpgME::Context;

    friend class ::GpgME::CallbackHelper;

    EditInteractor(const EditInteractor &);

    EditInteractor &operator=(const EditInteractor &);

public:

    EditInteractor();

    virtual ~EditInteractor();

    enum {

        StartState = 0,

        ErrorState = 0xFFFFFFFF

    };

    virtual const char *action(Error &err) const = 0;

    virtual unsigned int nextState(unsigned int statusCode, const char *args, Error &err) const = 0;

    unsigned int state() const;

    Error lastError() const;

    bool needsNoResponse(unsigned int statusCode) const;

    void setDebugChannel(std::FILE *file);

private:

    class Private;

    Private *const d;

};

} // namespace GpgME

#endif // __GPGMEPP_EDITINTERACTOR_H__