private char ParseURLEncoding(int c)
{
int ch1 = c;
int ch2 = Read();
return((char)(JsParser.FromHex(ch1) << 4 | JsParser.FromHex(ch2)));
}
private char ParseUnicode()
{
int ch1 = Read();
int ch2 = Read();
int ch3 = Read();
int ch4 = Read();
if (ch1 > -1 && ch2 > -1 && ch3 > -1 && ch4 > -1)
{
return((char)(JsParser.FromHex(ch1) << 12 | JsParser.FromHex(ch2) << 8 |
JsParser.FromHex(ch3) << 4 | JsParser.FromHex((ch4))));
}
throw new FormatException("The input contains a malformed character escape.");
}
/// <summary>
/// Parses a <see cref="Vlad2Net.Json.JsNumber"/> from the underlying
/// stream.
/// </summary>
/// <returns>The parsed JsNumber.</returns>
public JsNumber ParseNumber()
{
AssertNext(TokenType.Number);
int ch;
double value;
StringBuilder sb = new StringBuilder();
while ((ch = Peek()) > -1 && JsParser.IsNumberComponent(ch))
{
sb.Append((char)Read());
}
if (double.TryParse(sb.ToString(), NumberStyles.Float, CultureInfo.InvariantCulture,
out value))
{
return(new JsNumber(value));
}
throw new FormatException("The input contains a malformed Json-Number.");
}