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plot/load.hh
1 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
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7 // Software Foundation, version 2 of the License.
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15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
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17 // As a special exception, you may use this file as part of a free
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19 // instantiate templates or use macros or inline functions from this
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25 
26 #ifndef MLN_IO_PLOT_LOAD_HH
27 # define MLN_IO_PLOT_LOAD_HH
28 
32 
33 # include <iostream>
34 # include <fstream>
35 # include <cstring>
36 # include <mln/core/image/image1d.hh>
37 # include <mln/metal/equal.hh>
38 # include <mln/util/array.hh>
39 # include <mln/value/int_u8.hh>
40 # include <mln/value/rgb8.hh>
41 
42 
43 namespace mln
44 {
45 
46  namespace io
47  {
48 
49  namespace plot
50  {
51 
59  /*template <typename I>
60  void load(image1d<I>& ima,
61  const std::string& filename);*/
62 
63 
64 
70  template <typename I>
71  void load(util::array<I>& arr,
72  const std::string& filename);
73 
74 
75 # ifndef MLN_INCLUDE_ONLY
76 
77 
78  /*template <typename I>
79  inline
80  void load(image1d<I>& ima, const std::string& filename)
81  {
82  trace::entering("mln::io::plot::load");
83 
84  std::ifstream file_out(filename.c_str());
85  for (unsigned i = 0; i < ima.ninds(); ++i)
86  file_out << start_value + i << ", " << ima.at_(i) << std::endl;
87 
88  trace::exiting("mln::io::plot::load");
89  }*/
90 
91  template <typename I>
92  inline
93  void load(util::array<I>& arr, const std::string& filename)
94  {
95  trace::entering("mln::io::plot::load");
96 
97  arr.clear();
98  std::ifstream file_in(filename.c_str());
99 
100  // int MAX_LENGTH = 100;
101  // ISO C++ CAN'T COMPILE WITH VARIABLE LENGTH ARRAY !!
102  // THUS MAKE IT CONSTANT
103  const int MAX_LENGTH = 100;
104  char line[MAX_LENGTH];
105  char delims[] = " ";
106  char *result = NULL;
107  char *tmp_str = NULL;
108 
109  while (file_in.getline(line, MAX_LENGTH))
110  {
111  if (strlen(line) > 0 && line[0] != '#')
112  {
113  tmp_str = strtok(line, delims);
114  while (tmp_str != NULL)
115  {
116  result = tmp_str;
117  tmp_str = strtok(NULL, delims);
118  }
119  arr.append(atof(result)); // FIXME: type
120  }
121  }
122 
123  trace::exiting("mln::io::plot::load");
124  }
125 
126 
127 # endif // ! MLN_INCLUDE_ONLY
128 
129  } // end of namespace mln::io::plot
130 
131  } // end of namespace mln::io
132 
133 } // end of namespace mln
134 
135 
136 #endif // ! MLN_IO_PLOT_LOAD_HH