mask_database.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 MASK_DATABASE_HPP
#define MASK_DATABASE_HPP
 
#include "../my_config.h"
 
extern "C"
{
} // end extern "C"
 
 
#include "mask.hpp"
#include "data_dir.hpp"
#include "datetime.hpp"
#include "restore_tree.hpp"
 



 
namespace libdar
{
 
    class mask_database: public mask
    {
    public:

    mask_database(const data_dir* racine,
              const path & fs_root,
              const datetime & ignore_older_than_that);
    mask_database(const mask_database & ref) = default;
    mask_database(mask_database && ref) noexcept = default;
    mask_database & operator = (const mask_database & ref) = default;
    mask_database & operator = (mask_database && ref) noexcept = default;
        virtual ~mask_database() = default; // base is not


    void compose_with(const mask & ref);

    std::set<archive_num> get_locations() const;

    void set_focus(archive_num focus) const { zoom = focus; };
 

    virtual bool is_covered(const std::string & expression) const;
 

        virtual bool is_covered(const path & expression) const override;


    virtual std::string dump(const std::string & prefix = "") const override { return "database mask"; };

    virtual mask_database *clone() const override { return new (std::nothrow) mask_database(*this); };
 
    private:
 
    path fs_racine;                     
    mutable archive_num zoom;           
    std::shared_ptr<restore_tree> tree; 
    std::shared_ptr<mask> composition;  
 
    };
 
 
} // end of namespace
 
#endif