filesystem_ids.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 FILESYSTEM_IDS_HPP
#define FILESYSTEM_IDS_HPP
 
#include "../my_config.h"
 
extern "C"
{
} // end extern "C"
 
#include <set>
#include "infinint.hpp"
#include "path.hpp"
 
namespace libdar
{
 
    class filesystem_ids
    {
    public:


    filesystem_ids(const path & root);


    filesystem_ids(bool same_fs, const path & root_fs);
 
    filesystem_ids(const filesystem_ids & ref) = default;
    filesystem_ids(filesystem_ids && ref) noexcept = default;
    filesystem_ids & operator = (const filesystem_ids & ref) = default;
    filesystem_ids & operator = (filesystem_ids && ref) noexcept = default;
    ~filesystem_ids() = default;


    void change_root_fs(const path & root);


    void include_fs_at(const path & chem);


    void exclude_fs_at(const path & chem);

    bool is_covered(const infinint & fs_id) const;

    bool is_covered(const path & chem) const;

    void clear() { included.clear(); excluded.clear(); };
 
    private:
    infinint root_fs;
    std::set<infinint> included;
    std::set<infinint> excluded;
 
    static infinint path2fs_id(const std::string & path);
    };

 
} // end of namespace
 
#endif