internal NativeEvaluator EvaluateCallArgs(string actionName, NativeAction action, IEnumerable <string> parameters, IEnumerable <ParameterEvaluator> evaluators)
{
var actionId = NativeActionPrefix + actionName;
_nativeActions.Add(actionId, action);
AddSpanElement(actionId);
return(e =>
{
var evaluatedConstraints = new Constraints();
foreach (var parameter in parameters.Zip(evaluators, Tuple.Create))
{
var evaluatedParameter = parameter.Item2(e, parameter.Item1);
if (evaluatedParameter == null)
{
return null;
}
evaluatedConstraints = evaluatedConstraints.AddValue(parameter.Item1, evaluatedParameter);
}
return SemanticItem.From(e.Item.Question, actionId, evaluatedConstraints);
});
}
private SemanticItem encodeCall(string nativeActionId, List <Tuple <string, SemanticItem> > evaluatedValues)
{
var arguments = new Constraints();
foreach (var value in evaluatedValues)
{
arguments = arguments.AddValue(value.Item1, value.Item2);
}
return(SemanticItem.Entity(nativeActionId).WithConstraints(arguments));
}
