public static Double GetFloat(String data, int ts, int te)
{
int len = (int)(te - ts);
if (len >= 0)
{
try
{
return(Double.Parse(data.Substring(ts, len)));
}
catch (Exception e)
{
TSK_Debug.Error(e.ToString());
}
}
return(-1.0);
}
public static List <TSK_Param> AddParam(List <TSK_Param> @params, String name, String value)
{
TSK_Param param = null;
if (@params == null || String.IsNullOrEmpty(name))
{
TSK_Debug.Error("Invalid parameter");
return(@params);
}
if ((param = TSK_Param.GetByName(@params, name)) != null)
{
param.Value = value;/* Already exist ==> update the value. */
}
else
{
@params.Add(TSK_Param.Create(name, value));
}
return(@params);
}
public Boolean ExecuteAction(Int32 action, Object condObj1, Object condObj2, params Object[] parameters)
{
Boolean found = false;
Boolean terminates = false;
Boolean ok = true;
if (this.IsTerminated)
{
TSK_Debug.Warn("The FSM is in the final state.");
return(false);
}
// lock
mMutex.WaitOne();
foreach (Entry entry in mEntries)
{
if ((entry.StateFrom != TSK_StateMachine.STATE_ANY) && (entry.StateFrom != mCurrentSate))
{
continue;
}
if ((entry.Action != TSK_StateMachine.ACTION_ANY) && (entry.Action != action))
{
continue;
}
// check condition
if (entry.Condition == null || entry.Condition(condObj1, condObj2))
{
// For debug information
if (mDebug)
{
TSK_Debug.Info("State machine: {0}", entry.Description);
}
if (entry.StateTo != TSK_StateMachine.STATE_ANY)
{ /* Stay at the current state if dest. state is Any */
mCurrentSate = entry.StateTo;
}
if (entry.Execute != null)
{
if (!(ok = entry.Execute(parameters)))
{
TSK_Debug.Info("State machine: Exec function failed. Moving to terminal state.");
}
else
{
} // Do nothing
terminates = (!ok || (mCurrentSate == mTermState));
found = true;
break;
}
}
}
mMutex.ReleaseMutex();
/* Only call the callback function after unlock. */
if (terminates)
{
mCurrentSate = mTermState;
if (mOnTerminated != null)
{
mOnTerminated();
}
}
if (!found)
{
TSK_Debug.Warn("State machine: No matching state found.");
}
return(ok);
}
