private void PopulateArgParser(Dictionary <string, string> flagDict)
{
var widthSet = false;
var heightSet = false;
foreach (var pair in flagDict)
{
switch (pair.Key)
{
case "-s":
if (pair.Value[0] == '#')
{
SourceType = InitialWorld.Raw;
Source = pair.Value.Replace("#", string.Empty);
}
else
{
SourceType = InitialWorld.Sample;
Source = pair.Value;
}
break;
case "-w":
widthSet = true;
populateSize(pair, ref Width);
break;
case "-h":
heightSet = true;
populateSize(pair, ref Height);
break;
case "-f":
FixedSize = true;
break;
default:
break;
}
}
if (this.SourceType == InitialWorld.Random && (!widthSet || !heightSet))
{
throw new ArgumentException("Both width and height must be set if a random world is chosen");
}
//local functions:
void populateSize(KeyValuePair <string, string> pair, ref int size)
{
if (int.TryParse(pair.Value, out int val) && val > 0)
{
size = val;
}
else
{
throw new ArgumentException($"{nameof(pair.Key)} must be an integer, greater or equal to zero");
}
}
}
public ArgsParser(string[] args)
{
SourceType = InitialWorld.Random;
Width = 1;
Height = 1;
FixedSize = false;
Parse(args);
}