user_interaction.hpp

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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2024 Denis Corbin
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// to contact the author, see the AUTHOR file
/*********************************************************************/
 
 
#ifndef USER_INTERACTION_HPP
#define USER_INTERACTION_HPP
 
#include "../my_config.h"
 
#include <string>
#include "secu_string.hpp"
#include "infinint.hpp"
 
namespace libdar
{
 
 
 
    class user_interaction
    {
    public:
    user_interaction() {};
    user_interaction(const user_interaction & ref) = default;
    user_interaction(user_interaction && ref) noexcept = default;
    user_interaction & operator = (const user_interaction & ref) = default;
    user_interaction & operator = (user_interaction && ref) noexcept = default;
    virtual ~user_interaction() = default;
 
        // the following methode are used by libdar and rely in their inherited_* versions
        // than must be defined in the inherited classes
 
    void message(const std::string & message);
    void pause(const std::string & message);
    std::string get_string(const std::string & message, bool echo);
    secu_string get_secu_string(const std::string & message, bool echo);
 
 
    virtual void printf(const char *format, ...);
 
 
    protected:
    virtual void inherited_message(const std::string & message) = 0;
 
 
    virtual bool inherited_pause(const std::string & message) = 0;
 
 
 
    virtual std::string inherited_get_string(const std::string & message, bool echo) = 0;
 
 
    virtual secu_string inherited_get_secu_string(const std::string & message, bool echo) = 0;
 
 
    };
 
 
} // end of namespace
 
#endif