/// <summary>
/// Reads the XPlane 11 earth_awy.dat file and populates the supplied database
/// </summary>
/// <param name="db">The awyDatabase to fill</param>
/// <param name="path">The file to read</param>
/// <returns>The result string, either empty or error</returns>
public static string ReadDb(ref aptDatabase db, string path)
{
if (!Directory.Exists(path))
{
return($"Directory does not exist\n");
}
string ret = "";
foreach (var f in Directory.EnumerateFiles(path))
{
var e = ReadDbFile(ref db, f);
if (!string.IsNullOrEmpty(e))
{
ret += $"{e}\n"; // collect errors
}
}
return(ret);
}
/// <summary>
/// Reads one file to fill the db
/// </summary>
/// <param name="db">The awyDatabase to fill</param>
/// <param name="fName">The qualified filename</param>
/// <returns>The result string, either empty or error</returns>
private static string ReadDbFile(ref aptDatabase db, string fName)
{
var icaoPre = Path.GetFileNameWithoutExtension(fName);
string ret = "";
using (var sr = new StreamReader(fName)) {
do
{
string buffer = sr.ReadLine( );
if (buffer.StartsWith("RWY:"))
{
var rec = FromNative(buffer, Path.GetFileNameWithoutExtension(fName));
if (rec != null && rec.IsValid)
{
ret += db.Add(rec); // collect adding information
}
}
} while (!sr.EndOfStream);
//
}
return(ret);
}
