private static void SetDouble(FileFrame frame, string name, Action <double> set)
{
if (frame.VariableSets.TryGetValue(name, out var str))
{
set(double.Parse(str));
}
}
private static void SetString(FileFrame frame, string name, Action <string> set)
{
if (frame.VariableSets.TryGetValue(name, out var str))
{
set(str);
}
}
public static IEnumerable <FileFrame> Parse(string path, ParserConfig config)
{
const int nWidth = 4;
const int nHeight = 3;
foreach (var line in File.ReadLines(path))
{
var frame = new FileFrame();
var notes = line;
var tokens = line.Split(';');
if (tokens.Length >= 2)
{
notes = tokens[0];
foreach (var t in tokens.Skip(1))
{
var vtokens = t.Split('=');
frame.VariableSets[vtokens[0].Trim()] = vtokens[1].Trim();
}
}
CutDirection?dir = null;
List <char> obstacleDef = null;
foreach (var c in notes.Where(c => !char.IsWhiteSpace(c)))
{
if (obstacleDef != null)
{
if (c == config.Obstacle)
{
throw new Exception("Already defining an obstacle");
}
else if (c == config.ObstacleEnd)
{
var a = config.Positions.IndexOf(obstacleDef[0]);
var b = config.Positions.IndexOf(obstacleDef[1]);
frame.Obstacles.Add(new Obstacle
{
X1 = a % nWidth,
Y1 = (a / nWidth) % nHeight,
X2 = b % nWidth,
Y2 = (b / nWidth) % nHeight,
Length = int.Parse(new string(obstacleDef.Skip(2).ToArray()))
});
obstacleDef = null;
}
else
{
obstacleDef.Add(c);
}
continue;
}
if (c == config.Obstacle)
{
obstacleDef = new List <char>();
continue;
}
if (c == config.Bomb)
{
dir = null;
continue;
}
var posIdx = config.Positions.IndexOf(c);
var dirIdx = config.Directions.IndexOf(c);
if (posIdx < 0 && dirIdx < 0)
{
throw new Exception("Unexpected character " + c);
}
if (dirIdx >= 0)
{
dir = (CutDirection)dirIdx;
}
else if (!dir.HasValue)
{
var x = (posIdx % nWidth);
var y = (posIdx / nWidth) % nHeight;
frame.Notes.Add(new Note {
X = x, Y = y, Color = NoteColor.Bomb
});
}
else
{
var color = (NoteColor)(posIdx / (nWidth * nHeight));
var x = (posIdx % nWidth);
var y = (posIdx / nWidth) % nHeight;
frame.Notes.Add(new Note {
X = x, Y = y, Color = color, CutDirection = dir.Value
});
}
}
yield return(frame);
}
}
