/// <summary>
/// subscribe an event.
/// </summary>
/// <param name="name">Event Name.</param>
/// <param name="handler">Event Handler.</param>
public static ISubscriber Subscribe(SCEvent name, Handler handler = null)
{
List <Subscriber> sublist;
if (!m_subscribers.TryGetValue(name, out sublist))
{
sublist = new List <Subscriber> ();
m_subscribers.Add(name, sublist);
}
// 重复注册
if (handler != null)
{
Subscriber sub = null;
for (int n = 0; n < sublist.Count; ++n)
{
sub = sublist[n];
if (sub.Handler == handler)
{
Debug.LogWarning("重复注册事件: " + name);
return(sub);
}
}
}
// 新注册
Subscriber newSub = new Subscriber(name, handler);
sublist.Add(newSub);
return(newSub);
}
public void AddEvent(SCEvent e)
{
status.events.Add(e);
#if SC_LOG_FUNCTIONALITY
Debug.Log("Added event \"" + e.ToString() + "\" to statechart " + this);
#endif
if (machine.GetMode() == Statechart.Mode.On_Event)
{
SuperStep();
}
}
public static void Notify(SCEvent name, params object[] args)
{
List <Subscriber> sublist = null;
if (m_subscribers.TryGetValue(name, out sublist))
{
//Debug.Log ("Notify:" + name);
Subscriber[] subs = sublist.ToArray();
Subscriber sub = null;
for (int n = 0; n < subs.Length; ++n)
{
sub = subs[n];
sub.Notify(args);
}
}
}
public static void UnSubscribe(SCEvent name, Handler handler)
{
if (handler == null)
{
return;
}
List <Subscriber> sublist;
if (m_subscribers.TryGetValue(name, out sublist))
{
for (int i = sublist.Count; i > 0;)
{
if (sublist[--i].Handler == handler)
{
sublist.RemoveAt(i);
}
}
if (sublist.Count == 0)
{
m_subscribers.Remove(name);
}
}
}
void ParseTransitions(XmlNode node)
{
if (node.Name == "state" ||
node.Name == "parallel" ||
node.Name == "pseudo")
{
int index = name_to_node[node.Attributes["id"].Value];
// Transitions
int transitions_start = transitions.Count;
nodes[index] = new Node(nodes[index].type,
nodes[index].superstate,
nodes[index].components,
nodes[index].data,
transitions_start);
foreach (XmlNode n in node.ChildNodes)
{
ParseTransitions(n);
}
}
else if (node.Name == "transition")
{
if (node.Attributes["priority"] == null)
{
Debug.LogError("Error: Missing priority in transition in " + scxml.name);
}
if (node.Attributes["target"] == null)
{
Debug.LogError("Error: Missing target in transition in " + scxml.name);
}
if (node.Attributes["event"] == null)
{
Debug.LogError("Error: Missing trigger in transition in " + scxml.name);
}
var trigger = new SCEvent(node.Attributes["event"].Value);
Guard guard = new Guard(-1);
if (node.Attributes["cond"] != null)
{
var guard_info = ParseGuard(node.Attributes["cond"].Value);
if (!name_to_property.TryGetValue(guard_info, out int property))
{
property = name_to_property.Count;
name_to_property[guard_info] = property;
}
guard = new Guard(property);
}
int destination = name_to_node[node.Attributes["target"].Value];
transitions.Add(new Transition(trigger, guard, destination));
transition_to_name.Add(
node_to_name[name_to_node[node.ParentNode.Attributes["id"].Value]]
+ "->"
+ node_to_name[destination]);
name_to_transition[transition_to_name[transitions.Count - 1]] = transitions.Count - 1;
}
else
{
Debug.LogError("Error: Unsupported XML name in statechart document: \"" + node.Name + "\"");
}
}
public bool ContainsEvent(SCEvent ev)
{
return(events.Contains(ev));
}
public Transition(SCEvent trigger, Guard guard, int destination)
{
this.trigger = trigger;
this.guard = guard;
this.destination = destination;
}
public Subscriber(SCEvent key, Handler handler)
{
m_name = key;
m_handler = handler;
}