public static string ReadDCS(this IResponseReader reader)
{
var cc = new ControlCodes();
var code = reader.ReadNext();
switch (code)
{
case 27:
reader.ReadOrDie((byte)'P');
break;
default:
throw new Exception($"Expected DCS, found {code}");
}
var result = "";
while (!result.EndsWith(cc.ST) && !result.EndsWith((char)(0x9c)))
{
var c = reader.ReadNextChar();
result += c;
}
if (result.EndsWith(cc.ST))
{
return(result.Substring(0, result.Length - 2));
}
else
{
return(result.Substring(0, result.Length - 1));
}
}
static void ReadOrDie(this IResponseReader reader, byte expected)
{
var ch = reader.ReadNext();
if (ch != expected)
{
throw new Exception($"expected {expected} but read {ch}");
}
}
public static int [] ReadCSI(this IResponseReader reader, string final, string prefix = null)
{
var code = reader.ReadNext();
switch (code)
{
case 27:
reader.ReadOrDie((byte)'[');
break;
case 0x9b:
break;
default:
throw new Exception($"Expected CSI, found {code}");
}
var pars = new List <int> ();
var currentParam = "";
var ch = reader.ReadNextChar();
if (!Char.IsDigit(ch) && ch != ';')
{
if (prefix != null && ch == prefix [0])
{
ch = reader.ReadNextChar();
}
else
{
throw new Exception($"unexpected character `{ch}`");
}
}
while (true)
{
if (ch == ';')
{
pars.Add(int.Parse(currentParam));
currentParam = "";
}
else if (ch >= '0' && ch <= '9')
{
currentParam += ch;
}
else
{
// Read all the final characters, asserting they match.
while (true)
{
Assert.Equal(ch, final [0]);
final = final.Substring(1);
if (final.Length > 0)
{
ch = reader.ReadNextChar();
}
else
{
break;
}
}
if (currentParam == "")
{
pars.Add(0);
}
else
{
pars.Add(int.Parse(currentParam));
}
break;
}
ch = reader.ReadNextChar();
}
return(pars.ToArray());
}
static char ReadNextChar(this IResponseReader reader)
{
return((char)reader.ReadNext());
}