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filename.hh

00001 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
00002 //
00003 // This file is part of Olena.
00004 //
00005 // Olena is free software: you can redistribute it and/or modify it under
00006 // the terms of the GNU General Public License as published by the Free
00007 // Software Foundation, version 2 of the License.
00008 //
00009 // Olena is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with Olena.  If not, see <http://www.gnu.org/licenses/>.
00016 //
00017 // As a special exception, you may use this file as part of a free
00018 // software project without restriction.  Specifically, if other files
00019 // instantiate templates or use macros or inline functions from this
00020 // file, or you compile this file and link it with other files to produce
00021 // an executable, this file does not by itself cause the resulting
00022 // executable to be covered by the GNU General Public License.  This
00023 // exception does not however invalidate any other reasons why the
00024 // executable file might be covered by the GNU General Public License.
00025 
00026 #ifndef MLN_DEBUG_FILENAME_HH
00027 # define MLN_DEBUG_FILENAME_HH
00028 
00032 
00033 
00034 # include <string>
00035 # include <sstream>
00036 
00037 
00038 namespace mln
00039 {
00040 
00041   namespace debug
00042   {
00043 
00045 
00057     std::string
00058     filename(const std::string& filename, int id);
00059 
00060 
00061 # ifndef MLN_INCLUDE_ONLY
00062 
00063     namespace internal
00064     {
00065 
00066       std::string filename_prefix = "";
00067 
00068     } // end of namespace mln::debug::internal
00069 
00070 
00071     inline
00072     std::string
00073     filename(const std::string& filename, int id = -1)
00074     {
00075       static int file_id = 1;
00076 
00077       std::ostringstream os;
00078 
00079       if (! internal::filename_prefix.empty())
00080         os << internal::filename_prefix << "_";
00081 
00082       if (id == -1)
00083       {
00084         if (file_id < 10)
00085           os << "0";
00086         if (file_id < 100)
00087           os << "0";
00088 
00089         os << file_id++;
00090       }
00091       else
00092         os << id;
00093 
00094       os << "_"
00095          << filename;
00096 
00097       return os.str();
00098     }
00099 
00100 
00101 # endif // ! MLN_INCLUDE_ONLY
00102 
00103   } // end of namespace mln::debug
00104 
00105 } // end of namespace mln
00106 
00107 #endif // ! MLN_DEBUG_FILENAME_HH

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