/// <summary>
/// Create a CmdS from a string array
/// </summary>
/// <param name="script">An array of strings </param>
/// <returns>A valid Cmd or null</returns>
public static CmdS CreateFromStrings(string[] script)
{
// must be 2 at least
if (script.Length < 2)
{
return(null); // ERROR exit
}
if (double.TryParse(script[1], out double gs))
{
var cmd = new CmdS(gs);
if (script.Length > 2)
{
// may have accel
if (double.TryParse(script[2], out double accel))
{
cmd.Accel = accel;
}
if (script.Length > 3)
{
// may have immediate
if (int.TryParse(script[3], out int immediate))
{
cmd.Immediate = (immediate > 0);
}
}
}
return(cmd);
}
return(null); // ERROR number parse
}
/// <summary>
/// Reads one Script file
/// NOTE: Does not check for command inconsistencies whatsoever
/// only a limited format check is done
/// </summary>
/// <param name="filename">The file to read</param>
/// <returns>A CmdList either populated or empty on Error</returns>
public static CmdList ReadCmdScript(string filename)
{
var list = new CmdList( );
if (!File.Exists(filename))
{
return(list); // ERROR return an empty list
}
using (var sr = new StreamReader(filename)) {
bool expectCmdA = true;
do
{
string buffer = sr.ReadLine( ).Trim( );
string[] x = buffer.Split(new char[] { '#' }); // cut comments
if (x.Length > 0 && x[0].Length > 0)
{
// use first part only
string[] e = x[0].Split(new char[] { '=', ';' });
if (e.Length < 2)
{
continue; // at least 2 items should be there... Cmd and Arg1
}
if (expectCmdA)
{
// start of script expected - cmd A accepted only
var a = CmdA.CreateFromStrings(e);
if (a == null)
{
return(list); // ERROR in CmdA
}
list.Enqueue(a);
expectCmdA = false; // we have it
}
else
{
// rest of script
switch (e[0].Substring(0, 1))
{
case "D":
var d = CmdD.CreateFromStrings(e);
if (d != null)
{
list.Enqueue(d);
}
break;
case "T":
var t = CmdT.CreateFromStrings(e);
if (t != null)
{
list.Enqueue(t);
}
break;
case "H":
var h = CmdH.CreateFromStrings(e);
if (h != null)
{
list.Enqueue(h);
}
break;
case "G":
var g = CmdG.CreateFromStrings(e);
if (g != null)
{
list.Enqueue(g);
}
break;
case "S":
var s = CmdS.CreateFromStrings(e);
if (s != null)
{
list.Enqueue(s);
}
break;
case "V":
var v = CmdV.CreateFromStrings(e);
if (v != null)
{
list.Enqueue(v);
}
break;
case "M":
var m = CmdM.CreateFromStrings(e);
if (m != null)
{
list.Enqueue(m);
}
break;
default:
// not supported ..
break;
}
}
}
} while (!sr.EndOfStream);
}
list.Enqueue(new CmdE( )); // MUST be the last one
return(list);
}
