private void Evaluate(String content, Boolean showOutput)
{
try
{
var result = _interactivity.Run(_engine, content);
if (showOutput)
{
var output = default(String);
if (result != null)
{
output = Stringify.This(result);
}
_interactivity.Info(output);
_engine.Scope["ans"] = result;
}
}
catch (ParseException ex)
{
_interactivity.Display(ex.Error, content);
}
catch (Exception ex)
{
_interactivity.Error(ex.Message);
}
_interactivity.Write(Environment.NewLine);
}
private void EvaluateCompleted(String input)
{
while (!input.IsCompleted())
{
_interactivity.IsPromptShown = false;
_interactivity.Info("... ");
var rest = _interactivity.Read();
_interactivity.IsPromptShown = true;
if (String.IsNullOrEmpty(rest))
{
break;
}
input = String.Concat(input, Environment.NewLine, rest);
}
Evaluate(input, true);
}
private static Boolean TryToLearn(IInteractivity interactivity, IDictionary <String, Object> scope, Action <String> evaluate, ITutorialSnippet snippet)
{
var hints = snippet.Hints.GetEnumerator();
var success = true;
do
{
if (!success)
{
interactivity.Info(hints.Current);
interactivity.Write(Environment.NewLine);
}
var input = interactivity.ReadLine();
evaluate.Invoke(input);
success = snippet.Check(scope);
}while (!success && hints.MoveNext());
return(success);
}