src/Polar/PolarFileGlue.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "Polar/PolarFileGlue.hpp"
  25 #include "Parser.hpp"
  26 #include "IO/FileLineReader.hpp"
  27 #include "IO/TextWriter.hpp"
  28
  29 bool
  30 PolarGlue::LoadFromFile(PolarInfo &polar, NLineReader &reader)
  31 {
  32   const char *line;
  33   while ((line = reader.ReadLine()) != NULL)
  34     if (ParsePolar(polar, line))
  35       return true;
  36
  37   return false;
  38 }
  39
  40 bool
  41 PolarGlue::LoadFromFile(PolarInfo &polar, const TCHAR* path)
  42 {
  43   FileLineReaderA *reader = new FileLineReaderA(path);
  44   if (reader == NULL)
  45     return false;
  46
  47   if (reader->error()) {
  48     delete reader;
  49     return false;
  50   }
  51
  52   LoadFromFile(polar, *reader);
  53   delete reader;
  54   return true;
  55 }
  56
  57 bool
  58 PolarGlue::SaveToFile(const PolarInfo &polar, TextWriter &writer)
  59 {
  60   char buffer[256];
  61   FormatPolar(polar, buffer, 256);
  62   return writer.WriteLine(buffer);
  63 }
  64
  65 bool
  66 PolarGlue::SaveToFile(const PolarInfo &polar, const TCHAR* path)
  67 {
  68   TextWriter writer(path);
  69   if (!writer.IsOpen())
  70     return false;
  71
  72   return SaveToFile(polar, writer);
  73 }