/// <summary>
/// Read all waypoints from ats.txt file.
/// Returns the error message if failed to parse some lines, or null.
/// </summary>
/// <param name="filepath">Path of ats.txt</param>
/// <exception cref="WaypointFileReadException"></exception>
public static string ReadFromFile(WaypointList wptList, string filepath)
{
try
{
var allLines = File.ReadLines(filepath);
var errors = Read(wptList, allLines);
return(ReadFileErrorMsg.ErrorMsg(errors, "ats.txt"));
}
catch (Exception e)
{
throw new WaypointFileReadException("Failed to read ats.txt.", e);
}
}
/// <exception cref="Exception"></exception>
private void InitAirportAndWaypoints()
{
string navDataPath = AppSettings.NavDataLocation;
var airportTxtPath = Path.Combine(navDataPath, "Airports.txt");
var airportResult = AirportDataLoader.LoadFromFile(airportTxtPath);
var err = airportResult.Errors;
if (err.Any())
{
Log(ReadFileErrorMsg.ErrorMsg(err, "ats.txt"));
}
var airports = airportResult.Airports;
var result = new WptListLoader(navDataPath).LoadFromFile();
countryCodesLocator = result.CountryCodes.ToLocator();
airwayNetwork = new AirwayNetwork(result.WptList, airports);
}
// If failed, returns null.
private AirportManager TryLoadAirports()
{
try
{
var directory = pathTxtBox.Text;
var filePath = Path.Combine(directory, "Airports.txt");
var loadResult = AirportDataLoader.LoadFromFile(filePath);
var err = loadResult.Errors;
if (err.Any())
{
Log(ReadFileErrorMsg.ErrorMsg(err, "ats.txt"));
}
return(loadResult.Airports);
}
catch (Exception ex)
{
Log(ex);
this.ShowError("Failed to load airports.txt.");
return(null);
}
}
