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);
}
private SCXMLRule PrepareRule(XmlNode node)
{
SCXMLRule rule = new SCXMLRule {
Name = node.Attributes["id"].Value
};
foreach (XmlNode transition in node.SelectNodes(allTransitionsInARuleMatch))
{
SCXMLTransition scxmlTransition = new SCXMLTransition
{
TargetRuleName = transition.Attributes["target"].Value,
Event = new SCXMLTransitionEvent {
eventData = transition.Attributes["event"] == null ? null : transition.Attributes["event"].Value
}
};
foreach (XmlNode dataEvent in transition.SelectNodes(allDataEventsInATagMatch))
{
scxmlTransition.DataEvents.Add(new SCXMLDataEvent
{
Name = dataEvent.Attributes["event"].Value,
Context = dataEvent.Attributes["context"] == null ? null : dataEvent.Attributes["context"].Value
});
}
rule.Transitions.Add(scxmlTransition);
}
foreach (XmlNode dataEvent in node.SelectNodes(allDataEventsInATagMatch))
{
rule.DataEvents.Add(new SCXMLDataEvent
{
Name = dataEvent.Attributes["event"].Value,
Context = dataEvent.Attributes["context"] == null ? null : dataEvent.Attributes["context"].Value
});
}
return(rule);
}