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src/libdar/path.hpp
00001 /*********************************************************************/
00002 // dar - disk archive - a backup/restoration program
00003 // Copyright (C) 2002-2052 Denis Corbin
00004 //
00005 // This program is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU General Public License
00007 // as published by the Free Software Foundation; either version 2
00008 // of the License, or (at your option) any later version.
00009 //
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018 //
00019 // to contact the author : http://dar.linux.free.fr/email.html
00020 /*********************************************************************/
00021 // $Id$
00022 //
00023 /*********************************************************************/
00024 
00030 
00031 #ifndef PATH_HPP
00032 #define PATH_HPP
00033 
00034 #include "../my_config.h"
00035 #include <list>
00036 #include <string>
00037 #include "erreurs.hpp"
00038 #include "special_alloc.hpp"
00039 
00040 #define FAKE_ROOT path(string("<ROOT>"), true)
00041 
00042 namespace libdar
00043 {
00044 
00046 
00052 
00053     class path
00054     {
00055     public :
00057 
00065         path(const std::string & s, bool x_undisclosed = false);
00066 
00068 
00071         path(const char *s, bool x_undisclosed = false) { *this = path(std::string(s), x_undisclosed); };
00072 
00074         path(const path & ref);
00075 
00077         const path & operator = (const path & ref);
00078 
00080         bool operator == (const path & ref) const;
00081 
00083 
00085         std::string basename() const;
00086 
00088 
00090         void reset_read() { reading = dirs.begin(); };
00091 
00093 
00097         bool read_subdir(std::string & r);
00098 
00100         bool is_relative() const { return relative; };
00101 
00103         bool is_absolute() const { return !relative; };
00104 
00106         bool is_undisclosed() const { return undisclosed; };
00107 
00109 
00115         bool pop(std::string & arg);
00116 
00118 
00124         bool pop_front(std::string & arg);
00125 
00127 
00131         path operator + (const path & arg) const { path tmp = *this; tmp += arg; return tmp; };
00132 
00133 
00135 
00138         path & operator += (const path & arg);
00139 
00141 
00144         bool is_subdir_of(const path & p, bool case_sensit) const;
00145 
00147 
00149         std::string display() const;
00150 
00154         unsigned int degre() const { return dirs.size() + (relative ? 0 : 1); };
00155 
00157         void explode_undisclosed() const;
00158 
00159 #ifdef LIBDAR_SPECIAL_ALLOC
00160         USE_SPECIAL_ALLOC(path);
00161 #endif
00162     private :
00163         std::list<std::string>::iterator reading;
00164         std::list<std::string> dirs;
00165         bool relative;
00166         bool undisclosed;
00167 
00168         void reduce();
00169     };
00170 
00171 
00172 } // end of namespace
00173 
00174 #endif
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