private List <IRule> LoadRule(IRule rule, ITransitionEvent data, ITransitionEventComparer comparer)
{
List <IRule> nextRules = new List <IRule>();
Stack <IRule> ruleStack = new Stack <IRule>();
ruleStack.Push(rule);
int count = 0;
while (ruleStack.Count > 0)
{
rule = ruleStack.Pop();
foreach (SCXMLTransition transition in rule.Transitions)
{
if ((count == 0 && comparer.Compare(transition.Event, data) > -1) ||
transition.Event == null)
{
SCXMLRule nextRule = PrepareRule(transition.TargetRuleName);
nextRules.Add(nextRule);
ruleStack.Push(nextRule);
if (callback != null)
{
foreach (SCXMLDataEvent dataEvent in transition.DataEvents)
{
if (!dataEvent.IsTriggered)
{
callback.OnEvent(dataEvent);
dataEvent.IsTriggered = true;
}
}
}
// TODO: Comment break to suppport NFA
break;
}
}
if (callback != null)
{
foreach (SCXMLDataEvent dataEvent in rule.DataEvents)
{
if (!dataEvent.IsTriggered)
{
callback.OnEvent(dataEvent);
dataEvent.IsTriggered = true;
}
}
}
count++;
}
return(nextRules);
}
/// <summary>
/// <![CDATA[StateMachine<T> constructor]]>
/// </summary>
/// <param name="stateMachineInputComparer"><![CDATA[Custom IComparer<ITransitionEvent> object.
/// User can use this object to define his own custom comparer to match the input with state transition events.]]></param>
public StateMachine(ITransitionEventComparer stateMachineInputComparer, IOnStateChanged stateChangedCallback)
{
Config <T> .GetInstance().stateMachineInputComparer = stateMachineInputComparer;
this.stateChangedCallback = stateChangedCallback;
}
public SCXMLInterpreter()
{
scxmlTransitionEventComparer = new SCXMLTransitionEventComparer();
rulesDoc = new XmlDocument();
}
public List <IRule> LoadEvent <String>(IRule rule, ITransitionEvent data, ITransitionEventComparer comparer)
{
return(LoadRule(rule, data, comparer));
}
