path.hpp

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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2052 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// to contact the author : http://dar.linux.free.fr/email.html
/*********************************************************************/


#ifndef PATH_HPP
#define PATH_HPP

#include "../my_config.h"
#include <list>
#include <string>
#include "erreurs.hpp"
#include "special_alloc.hpp"

#define FAKE_ROOT path(string("<ROOT>"), true)

namespace libdar
{



    class path
    {
    public :

        path(const std::string & s, bool x_undisclosed = false);


        path(const char *s, bool x_undisclosed = false) { *this = path(std::string(s), x_undisclosed); };

        path(const path & ref);

        const path & operator = (const path & ref);

        bool operator == (const path & ref) const;


        std::string basename() const;


        void reset_read() { reading = dirs.begin(); };


        bool read_subdir(std::string & r);

        bool is_relative() const { return relative; };

        bool is_absolute() const { return !relative; };

        bool is_undisclosed() const { return undisclosed; };


        bool pop(std::string & arg);


        bool pop_front(std::string & arg);


        path operator + (const path & arg) const { path tmp = *this; tmp += arg; return tmp; };



        path & operator += (const path & arg);


        bool is_subdir_of(const path & p, bool case_sensit) const;


        std::string display() const;

        unsigned int degre() const { return dirs.size() + (relative ? 0 : 1); };

        void explode_undisclosed() const;

#ifdef LIBDAR_SPECIAL_ALLOC
        USE_SPECIAL_ALLOC(path);
#endif
    private :
        std::list<std::string>::iterator reading;
        std::list<std::string> dirs;
        bool relative;
        bool undisclosed;

        void reduce();
    };


} // end of namespace

#endif