trontextual.hpp

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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2026 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 TRONTEXTUAL_HPP
#define TRONTEXTUAL_HPP
 
#include "../my_config.h"
 
#include "tronc.hpp"
#include "infinint.hpp"
#include "generic_file.hpp"
#include "contextual.hpp"
 
namespace libdar
{


 
    class trontextual : public tronc, public contextual
    {
    public:
    trontextual(generic_file *f, const infinint & offset, const infinint & size, bool own_f = false);
    trontextual(generic_file *f, const infinint & offset, const infinint & size, gf_mode mode, bool own_f = false);
    trontextual(const trontextual & ref) = delete;
    trontextual(trontextual && ref) noexcept = delete;
    trontextual & operator = (const trontextual & ref) = delete;
    trontextual & operator = (trontextual && ref) = delete;
    ~trontextual() = default;
 
    virtual bool is_an_old_start_end_archive() const override { if(ref == nullptr) throw SRC_BUG; return ref->is_an_old_start_end_archive(); };
    virtual const label & get_data_name() const override { if(ref == nullptr) throw SRC_BUG; return ref->get_data_name(); };
 
    private:
    contextual *ref;   
 
    void init(generic_file *f);
    };

}
 
#endif