Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2010 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_IO_RAW_GET_HEADER_HH 00027 # define MLN_IO_RAW_GET_HEADER_HH 00028 00032 00033 # include <iostream> 00034 # include <fstream> 00035 00036 # include <mln/core/concept/image.hh> 00037 # include <mln/core/routine/initialize.hh> 00038 # include <mln/core/box_runstart_piter.hh> 00039 # include <mln/core/pixel.hh> 00040 # include <mln/data/memcpy_.hh> 00041 # include <mln/util/array.hh> 00042 00043 namespace mln 00044 { 00045 00046 namespace io 00047 { 00048 00049 namespace raw 00050 { 00051 00053 struct raw_header 00054 { 00055 unsigned dim; 00056 std::string value_type; 00057 util::array<unsigned> size; 00058 }; 00059 00060 00062 raw_header get_header(const std::string& filename); 00063 00064 00065 # ifndef MLN_INCLUDE_ONLY 00066 00067 00068 raw_header get_header(const std::string& filename) 00069 { 00070 trace::entering("mln::io::raw::get_header"); 00071 00072 raw_header header; 00073 00074 std::string info_filename = filename + ".info"; 00075 00076 std::ifstream info_file(info_filename.c_str()); 00077 if (! info_file) 00078 { 00079 std::cerr << "io::raw::get_header - Error: cannot open file '" 00080 << filename << "'!" 00081 << std::endl; 00082 abort(); 00083 } 00084 00085 std::string file_type; 00086 info_file >> file_type; 00087 if (file_type != "milena/raw") 00088 { 00089 std::cerr << "io::raw::load - Error: invalid file type. '" 00090 << filename 00091 << "' is NOT a valid milena/raw info file!" 00092 << std::endl; 00093 abort(); 00094 } 00095 00096 char dev_null[30]; 00097 00098 // Dimension ? 00099 // Reading line title "Dim: " 00100 info_file.read(dev_null, 5); 00101 info_file >> header.dim; 00102 00103 // Size information - Skip it, useless. 00104 header.size.resize(header.dim); 00105 for (unsigned i = 0; i < header.dim; ++i) 00106 info_file >> header.size[i]; 00107 // Skipping endline. 00108 char c; 00109 info_file.get(c); 00110 00111 00112 // Value type name ? 00113 // Reading line title "data type: " 00114 info_file.read(dev_null, 11); 00115 // WARNING: value type name limited to 255 characters... 00116 char value_type[255]; 00117 info_file.getline(value_type, 255); 00118 header.value_type = value_type; 00119 00120 info_file.close(); 00121 00122 trace::exiting("mln::io::raw::get_header"); 00123 return header; 00124 } 00125 00126 00127 # endif // ! MLN_INCLUDE_ONLY 00128 00129 } // end of namespace mln::io::raw 00130 00131 } // end of namespace mln::io 00132 00133 } // end of namespace mln 00134 00135 #endif // ! MLN_IO_RAW_GET_HEADER_HH 00136