CSharpSourceEmitter.SourceEmitter.EscapeChar C# (CSharp) Method

    public static string EscapeChar(char c, bool inString) {
      switch (c)
      {
        case '\r': return @"\r";
        case '\n': return @"\n";
        case '\f': return @"\f";
        case '\t': return @"\t";
        case '\v': return @"\v";
        case '\0': return @"\0";
        case '\a': return @"\a";
        case '\b': return @"\b";
        case '\\': return @"\\";
        case '\'': return inString ? "'" : @"\'";
        case '"': return inString ? "\\\"" : "\"";
      }
      var cat = Char.GetUnicodeCategory(c);
      if (cat == UnicodeCategory.Control ||
        cat == UnicodeCategory.LineSeparator ||
        cat == UnicodeCategory.Format || 
        cat == UnicodeCategory.Surrogate || 
        cat == UnicodeCategory.PrivateUse || 
        cat == UnicodeCategory.OtherNotAssigned)
        return String.Format("\\u{0:X4}", (int)c);
      return c.ToString();
    }