public string VisitChar(CharDatum d)
{
if (NamedCharacters.ContainsKey(d.Value))
{
return("#\\" + NamedCharacters[d.Value]);
}
else if (char.IsLetter(d.Value) || char.IsNumber(d.Value) || char.IsPunctuation(d.Value) || char.IsSymbol(d.Value))
{
return("#\\" + d.Value);
}
else if (Regex.IsMatch("" + d.Value, "\\p{M}"))
{
return("#\\" + d.Value);
}
else
{
int i = (int)d.Value;
return($"#\\x{i:X4}");
}
}
public bool VisitChar(CharDatum d)
{
bw.Write(B_CHAR);
bw.Write(d.Value);
return(true);
}
public State VisitChar(State state, CharDatum d) => state;
public SetDatum VisitChar(CharDatum d) => SetDatum.Empty;
public string VisitChar(CharDatum d)
{
return("c" + d.Value);
}
private bool EqualChar(CharDatum x, CharDatum y)
{
return(x.Value == y.Value);
}
private int CompareChar(CharDatum x, CharDatum y)
{
return((x.Value < y.Value) ? -1 : (x.Value > y.Value) ? 1 : 0);
}