public TlaState(TlaAutomaton owner, int id, string name, bool isInitial, bool isAccepting)
{
_owner = owner;
this.Id = id;
this.Name = name; //.LowerFirstCharacter();
this.IsInitial = isInitial;
this.IsAccepting = isAccepting;
}
//public static string LowerFirstCharacter(this string str)
//{
// if (string.IsNullOrWhiteSpace(str))
// return str;
// return char.ToLower(str[0]) + str.Substring(1);
//}
public static TlaAutomaton ToTlaAutomaton(this Automaton automaton, bool useTransitionConditions)
{
var result = new TlaAutomaton();
foreach (var state in automaton.States)
{
result.CreateState(state.Name, state.IsInitial, state.IsAccepting);
}
foreach (var state in automaton.States)
{
foreach (var transition in state.Outgoing)
{
if (transition.Actions == null || transition.Actions.Count == 0)
{
result.CreateTransition(
result.GetState(automaton.States.First(s => s.Id == transition.FromId).Name).Id,
result.GetState(automaton.States.First(s => s.Id == transition.ToId).Name).Id,
transition.MakeConditionFormula(useTransitionConditions)
);
}
else
{
if (string.IsNullOrWhiteSpace(transition.EventName))
{
throw new NotImplementedException("");
}
var statesSeq = transition.Actions.Select(actionName => result.CreateState(string.Format("{0}|{1}_before_{2}", state.Name, transition.EventName, actionName), false, false))
.Concat(new[] { result.GetState(automaton.States.First(s => s.Id == transition.ToId).Name) })
.ToArray();
result.CreateTransition(
result.GetState(automaton.States.First(s => s.Id == transition.FromId).Name).Id,
statesSeq.First().Id,
new TlaTransitionConditionFormula(new TransitionConditionExpr.VarExpr(transition.EventName))
);
for (int i = 0; i < transition.Actions.Count; i++)
{
var actionName = transition.Actions[i];
var condition = new TlaTransitionConditionFormula(new TransitionConditionExpr.VarExpr(actionName));
result.CreateTransition(statesSeq[i].Id, statesSeq[i + 1].Id, condition);
}
}
}
}
return(result);
}
