path.hpp

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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 : dar.linux@free.fr
00020 /*********************************************************************/
00021 // $Id: path.hpp,v 1.9.2.1 2007/06/21 20:47:12 edrusb Rel $
00022 //
00023 /*********************************************************************/
00024 
00029 
00030 #ifndef PATH_HPP
00031 #define PATH_HPP
00032 
00033 #include "../my_config.h"
00034 #include <list>
00035 #include <string>
00036 #include "erreurs.hpp"
00037 
00038 #define FAKE_ROOT path(string("<ROOT>"))
00039 
00040 namespace libdar
00041 {
00042 
00044 
00047 
00048     class path
00049     {
00050     public :
00052 
00055         path(const std::string & s);
00056 
00058 
00061         path(const char *s) { *this = path(std::string(s)); };
00062 
00064         path(const path & ref);
00065 
00067         path & operator = (const path & ref);
00068 
00070         bool operator == (const path & ref) const;
00071 
00073 
00075         std::string basename() const;
00076 
00078 
00080         void reset_read() { reading = dirs.begin(); };
00081 
00083 
00087         bool read_subdir(std::string & r);
00088 
00090         bool is_relative() const { return relative; };
00091 
00093 
00099         bool pop(std::string & arg);
00100 
00102 
00108         bool pop_front(std::string & arg);
00109 
00111 
00115         path operator + (const path & arg) const { path tmp = *this; tmp += arg; return tmp; };
00116 
00117 
00119 
00122         path & operator += (const path & arg);
00123 
00125 
00128         bool is_subdir_of(const path & p, bool case_sensit) const;
00129 
00131 
00133         std::string display() const;
00134 
00138         unsigned int degre() const { return dirs.size() + (relative ? 0 : 1); };
00139 
00140     private :
00141         std::list<std::string>::iterator reading;
00142         std::list<std::string> dirs;
00143         bool relative;
00144 
00145         void reduce();
00146     };
00147 
00148 
00149 } // end of namespace
00150 
00151 #endif
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