load.hh

// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
//
// This file is part of Olena.
//
// Olena 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, version 2 of the License.
//
// Olena 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 Olena.  If not, see <http://www.gnu.org/licenses/>.
//
// As a special exception, you may use this file as part of a free
// software project without restriction.  Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to produce
// an executable, this file does not by itself cause the resulting
// executable to be covered by the GNU General Public License.  This
// exception does not however invalidate any other reasons why the
// executable file might be covered by the GNU General Public License.

#ifndef MLN_IO_PLOT_LOAD_HH
# define MLN_IO_PLOT_LOAD_HH


# include <iostream>
# include <fstream>
# include <cstring>
# include <mln/core/image/image1d.hh>
# include <mln/metal/equal.hh>
# include <mln/util/array.hh>
# include <mln/value/int_u8.hh>
# include <mln/value/rgb8.hh>


namespace mln
{

  namespace io
  {

    namespace plot
    {

      /*template <typename I>
      void load(image1d<I>& ima,
                const std::string& filename);*/



      template <typename I>
      void load(util::array<I>& arr,
                const std::string& filename);


# ifndef MLN_INCLUDE_ONLY


      /*template <typename I>
      inline
      void load(image1d<I>& ima, const std::string& filename)
      {
        trace::entering("mln::io::plot::load");

        std::ifstream file_out(filename.c_str());
        for (unsigned i = 0; i < ima.ninds(); ++i)
          file_out << start_value + i << ", " << ima.at_(i) << std::endl;

        trace::exiting("mln::io::plot::load");
      }*/

      template <typename I>
      inline
      void load(util::array<I>& arr, const std::string& filename)
      {
        trace::entering("mln::io::plot::load");

        arr.clear();
        std::ifstream file_in(filename.c_str());

        int MAX_LENGTH = 100;
        char line[MAX_LENGTH];
        char delims[] = " ";
        char *result = NULL;
        char *tmp_str = NULL;

        while (file_in.getline(line, MAX_LENGTH))
        {
          if (strlen(line) > 0 && line[0] != '#')
          {
            tmp_str = strtok(line, delims);
            while (tmp_str != NULL)
            {
              result = tmp_str;
              tmp_str = strtok(NULL, delims);
            }
            arr.append(atof(result)); // FIXME: type
          }
        }

        trace::exiting("mln::io::plot::load");
      }


# endif // ! MLN_INCLUDE_ONLY

    } // end of namespace mln::io::plot

  } // end of namespace mln::io

} // end of namespace mln


#endif // ! MLN_IO_PLOT_LOAD_HH