mask_list.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 MASK_LIST_HPP
#define MASK_LIST_HPP

#include "../my_config.h"

#include "mask.hpp"

namespace libdar
{



    class mask_list : public mask
    {
    public:


        mask_list(const std::string & filename_list_st, bool case_sensit, const path & prefix, bool include);

        bool is_covered(const std::string & expression) const;
        mask *clone() const { return new (std::nothrow) mask_list(*this); };

        U_I size() const { return contenu.size(); };

    private:

            // we need to change to lexicographical order relationship for the '/' character be the most lower of all. This way
            // the first entry listed from a set a file sharing the same first characters will be the one corresponding
            // to the directory with this common prefix.

        class my_char
        {
        public:
            my_char() { val = 0; };
            my_char(const char x) : val(x) {};
            bool operator < (const my_char & x) const
            {
                if(val == '/')
                    if(x.val == '/')
                        return false;
                    else
                        return true;
                else
                    if(x.val == '/')
                        return false;
                    else
                        return val < x.val;
            };

            operator char() const
            {
                return val;
            };

        private:
            char val;
        };

        std::vector <std::basic_string<my_char> > contenu;
        U_I taille;
        bool case_s;
        bool including;   // mask is used for including files (not for excluding files)

        static std::list<std::basic_string<my_char> > convert_list_string_char(const std::list<std::string> & src);
        static std::basic_string<my_char> convert_string_char(const std::string & src);
        static std::string convert_string_my_char(const std::basic_string<my_char> & src);
    };


} // end of namespace

#endif