src/Waypoint/WaypointWriter.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 "Waypoint/WaypointWriter.hpp"
  25
  26 #include "Engine/Waypoint/Waypoints.hpp"
  27 #include "IO/TextWriter.hpp"
  28 #include "Engine/Waypoint/Runway.hpp"
  29 #include "RadioFrequency.hpp"
  30
  31 void
  32 WaypointWriter::Save(TextWriter &writer, WaypointFileType type)
  33 {
  34   // Iterate through the waypoint list and save each waypoint with
  35   // the right file number to the TextWriter
  36   /// @todo JMW: iteration ordered by ID would be preferred
  37   for (auto it = waypoints.begin(); it != waypoints.end(); ++it) {
  38     const Waypoint& wp = *it;
  39     if (wp.file_num == file_number)
  40       WriteWaypoint(writer, wp, type);
  41   }
  42 }
  43
  44 void
  45 WaypointWriter::WriteWaypoint(TextWriter &writer, const Waypoint &wp, WaypointFileType type)
  46 {
  47   switch (type) {
  48   case WaypointFileType::WINPILOT:
  49     WriteWinPilot(writer, wp);
  50     break;
  51
  52   case WaypointFileType::SEEYOU:
  53     WriteSeeYou(writer, wp);
  54     break;
  55
  56   case WaypointFileType::UNKNOWN:
  57   case WaypointFileType::ZANDER:
  58   case WaypointFileType::FS:
  59   case WaypointFileType::OZI_EXPLORER:
  60   case WaypointFileType::COMPE_GPS:
  61     gcc_unreachable();
  62     break;
  63   }
  64 }
  65
  66 void
  67 WaypointWriter::WriteWinPilot(TextWriter &writer, const Waypoint &wp)
  68 {
  69   // Write the waypoint id
  70   writer.Format("%u,", wp.original_id > 0 ? wp.original_id : wp.id);
  71
  72   // Write the latitude
  73   WriteAngleDMS(writer, wp.location.latitude, true);
  74   writer.Write(',');
  75
  76   // Write the longitude id
  77   WriteAngleDMS(writer, wp.location.longitude, false);
  78   writer.Write(',');
  79
  80   // Write the altitude id
  81   WriteAltitude(writer, wp.elevation);
  82   writer.Write(',');
  83
  84   // Write the waypoint flags
  85   WriteWinPilotFlags(writer, wp);
  86   writer.Write(',');
  87
  88   // Write the waypoint name
  89   writer.Write(wp.name.c_str());
  90   writer.Write(',');
  91
  92   // Write the waypoint description
  93   writer.WriteLine(wp.comment.c_str());
  94 }
  95
  96 void
  97 WaypointWriter::WriteSeeYou(TextWriter &writer, const Waypoint &wp)
  98 {
  99   // Write Title
 100   writer.Format("\"%s\",", wp.name.c_str());
 101
 102   // Write Code
 103   writer.Write(',');
 104
 105   // Write Country
 106   writer.Write(',');
 107
 108   // Write Latitude
 109   WriteAngleDMM(writer, wp.location.latitude, true);
 110   writer.Write(',');
 111
 112   // Write Longitude
 113   WriteAngleDMM(writer, wp.location.longitude, false);
 114   writer.Write(',');
 115
 116   // Write Elevation
 117   WriteAltitude(writer, wp.elevation);
 118   writer.Write(',');
 119
 120   // Write Style
 121   WriteSeeYouFlags(writer, wp);
 122   writer.Write(',');
 123
 124   // Write Runway Direction
 125   if (wp.type == Waypoint::Type::AIRFIELD ||
 126       wp.type == Waypoint::Type::OUTLANDING)
 127     writer.Format("%03u", wp.runway.GetDirectionDegrees());
 128
 129   writer.Write(',');
 130
 131   // Write Runway Length
 132   if (wp.type == Waypoint::Type::AIRFIELD ||
 133       wp.type == Waypoint::Type::OUTLANDING)
 134     writer.Format("%03uM", wp.runway.GetLength());
 135
 136   writer.Write(',');
 137
 138   // Write Airport Frequency
 139   if (wp.radio_frequency.IsDefined()) {
 140     const unsigned freq = wp.radio_frequency.GetKiloHertz();
 141     writer.Format("\"%u.%03u\"", freq / 1000, freq % 1000);
 142   }
 143
 144   writer.Write(',');
 145
 146   // Write Description
 147   writer.FormatLine("\"%s\"", wp.comment.c_str());
 148 }
 149
 150 void
 151 WaypointWriter::WriteAngleDMS(TextWriter &writer, const Angle angle,
 152                            bool is_latitude)
 153 {
 154   // Calculate degrees, minutes and seconds
 155   unsigned deg, min, sec;
 156   bool is_positive;
 157   angle.ToDMS(deg, min, sec, is_positive);
 158
 159   // Save them into the buffer string
 160   writer.Format(is_latitude ? "%02u:%02u:%02u" : "%03u:%02u:%02u",
 161                 deg, min, sec);
 162
 163   // Attach the buffer string to the output
 164   if (is_latitude)
 165     writer.Write(is_positive ? "N" : "S");
 166   else
 167     writer.Write(is_positive ? "E" : "W");
 168 }
 169
 170 void
 171 WaypointWriter::WriteAngleDMM(TextWriter &writer, const Angle angle,
 172                               bool is_latitude)
 173 {
 174   // Calculate degrees, minutes and decimal minutes
 175   unsigned deg, min, mmm;
 176   bool is_positive;
 177   angle.ToDMM(deg, min, mmm, is_positive);
 178
 179   // Save them into the buffer string
 180   writer.Format(is_latitude ? "%02u%02u.%03u" : "%03u%02u.%03u",
 181                 deg, min, mmm);
 182
 183   // Attach the buffer string to the output
 184   if (is_latitude)
 185     writer.Write(is_positive ? "N" : "S");
 186   else
 187     writer.Write(is_positive ? "E" : "W");
 188 }
 189
 190 void
 191 WaypointWriter::WriteAltitude(TextWriter &writer, fixed altitude)
 192 {
 193   writer.Format("%dM", (int)altitude);
 194 }
 195
 196 void
 197 WaypointWriter::WriteWinPilotFlags(TextWriter &writer, const Waypoint &wp)
 198 {
 199   if (wp.IsAirport())
 200     writer.Write('A');
 201   if (wp.flags.turn_point)
 202     writer.Write('T');
 203   if (wp.IsLandable())
 204     writer.Write('L');
 205   if (wp.flags.home)
 206     writer.Write('H');
 207   if (wp.flags.start_point)
 208     writer.Write('S');
 209   if (wp.flags.finish_point)
 210     writer.Write('F');
 211
 212   // set as turnpoint by default if nothing else
 213   if (!wp.flags.turn_point &&
 214       !wp.IsLandable() &&
 215       !wp.flags.home &&
 216       !wp.flags.start_point &&
 217       !wp.flags.finish_point)
 218     writer.Write('T');
 219 }
 220
 221 void
 222 WaypointWriter::WriteSeeYouFlags(TextWriter &writer, const Waypoint &wp)
 223 {
 224   switch (wp.type) {
 225   case Waypoint::Type::NORMAL:
 226     writer.Write('1');
 227     break;
 228
 229   case Waypoint::Type::OUTLANDING:
 230     writer.Write('3');
 231     break;
 232
 233   case Waypoint::Type::AIRFIELD:
 234     if (wp.flags.home)
 235       writer.Write('4');
 236     else // 2 or 5 no rule for this!
 237       writer.Write('2');
 238     break;
 239
 240   case Waypoint::Type::MOUNTAIN_PASS:
 241     writer.Write('6');
 242     break;
 243
 244   case Waypoint::Type::MOUNTAIN_TOP:
 245     writer.Write('7');
 246     break;
 247
 248   case Waypoint::Type::OBSTACLE:
 249     writer.Write('8');
 250     break;
 251
 252   case Waypoint::Type::TOWER:
 253     // 11 or 16 no rule for this!
 254     writer.Write("11");
 255     break;
 256
 257   case Waypoint::Type::TUNNEL:
 258     writer.Write("13");
 259     break;
 260
 261   case Waypoint::Type::BRIDGE:
 262     writer.Write("14");
 263     break;
 264
 265   case Waypoint::Type::POWERPLANT:
 266     writer.Write("15");
 267     break;
 268
 269   case Waypoint::Type::THERMAL_HOTSPOT:
 270     break;
 271   }
 272 }
 273