/// <returns>string or null</returns>
/// <exception cref="ArgumentException">Throws if invalid utf8 string is received</exception>
public static string ReadString(this NetworkReader reader)
{
// read number of bytes
ushort size = reader.ReadUInt16();
if (size == 0)
{
return(null);
}
int realSize = size - 1;
// make sure it's within limits to avoid allocation attacks etc.
if (realSize >= MaxStringLength)
{
throw new EndOfStreamException($"ReadString too long: {realSize}. Limit is: {MaxStringLength}");
}
ArraySegment <byte> data = reader.ReadBytesSegment(realSize);
// convert directly from buffer to string via encoding
return(encoding.GetString(data.Array, data.Offset, data.Count));
}
// unpack message after receiving
// -> pass NetworkReader so it's less strange if we create it in here
// and pass it upwards.
// -> NetworkReader will point at content afterwards!
public static int UnpackId(NetworkReader messageReader)
{
return(messageReader.ReadUInt16());
}
public static char ReadChar(this NetworkReader reader) => (char)reader.ReadUInt16();
public static ushort ReadUInt16Extension(this NetworkReader reader) => reader.ReadUInt16();
public static short ReadInt16(this NetworkReader reader) => (short)reader.ReadUInt16();