cat_lien.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 CAT_LIEN_HPP
#define CAT_LIEN_HPP
 
#include "../my_config.h"
 
extern "C"
{
} // end extern "C"
 
#include "cat_inode.hpp"
 
namespace libdar
{


 
    class cat_lien : public cat_inode
    {
    public :
        cat_lien(const infinint & uid, const infinint & gid, U_16 perm,
         const datetime & last_access,
         const datetime & last_modif,
         const datetime & last_change,
         const std::string & name,
         const std::string & target,
         const infinint & fs_device);
        cat_lien(const std::shared_ptr<user_interaction> & dialog,
         const smart_pointer<pile_descriptor> & pdesc,
         const archive_version & reading_ver,
         saved_status saved,
         bool small);
        cat_lien(const cat_lien & ref) = default;
    cat_lien(cat_lien && ref) noexcept = default;
    cat_lien & operator = (const cat_lien & ref) = default;
    cat_lien & operator = (cat_lien && ref) = default;
    ~cat_lien() = default;
 
 
    virtual bool operator == (const cat_entree & ref) const override;
 
        const std::string & get_target() const;
        void set_target(std::string x);
 
            // using the method is_more_recent_than() from cat_inode
            // using method has_changed_since() from cat_inode class

        virtual unsigned char signature() const override { return 'l'; };

    virtual std::string get_description() const override { return "symlink"; };

        virtual cat_entree *clone() const override { return new (std::nothrow) cat_lien(*this); };
 
    protected :
        virtual void sub_compare(const cat_inode & other,
                 bool isolated_mode,
                 bool seq_read_mode) const override;
        virtual void inherited_dump(const pile_descriptor & pdesc, bool small) const override;
 
    private :
        std::string points_to;
    };

 
} // end of namespace
 
#endif