//safty functions
public bool TestArgs(string value, LegoSensor_Args x)
{
switch (x)
{
case (LegoSensor_Args.command):
if (CommandsSupported)
{
string[] commands = Commands.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
for (int y = 0; y < commands.Length; y++)
{
if (commands[y] == value)
{
return(true);
}
}
return(false);
}
else
{
return(false);
}
case (LegoSensor_Args.direct):
return(false);
case (LegoSensor_Args.mode):
string[] modes = Modes.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
for (int y = 0; y < modes.Length; y++)
{
if (modes[y] == value)
{
return(true);
}
}
return(false);
case (LegoSensor_Args.poll_ms):
int p;
if (int.TryParse(value, out p))
{
if (p > 0)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
default:
throw new ArgumentNullException();
}
}
//hands on for more advanced users
public void SetArg(string Value, LegoSensor_Args x)
{
if (x == LegoSensor_Args.direct)
{
throw new InvalidOperationException("use the 'Stream' from 'GetDirectStream()' ");
}
else if (TestArgs(Value, x))
{
WriteVar(LegoSensor_Args_To_String(x), Value);
}
else
{
throw new ArgumentOutOfRangeException();
}
}
//helpers
public string LegoSensor_Args_To_String(LegoSensor_Args x)
{
switch (x)
{
case (LegoSensor_Args.command):
return("command");
case (LegoSensor_Args.direct):
return("direct");
case (LegoSensor_Args.mode):
return("mode");
case (LegoSensor_Args.poll_ms):
return("poll_ms");
default:
return("INVALID");
}
}
