private IPrompt <T> NextClarifyPrompt(T state, FieldStepState stepState, IRecognize <T> recognizer, out Ambiguous clarify)
{
IPrompt <T> prompter = null;
clarify = null;
foreach (var clarification in stepState.Clarifications)
{
if (clarification.Values.Length > 1)
{
clarify = clarification;
break;
}
}
if (clarify != null)
{
var field = new Field <T>("__clarify__", FieldRole.Value);
field.Form = _field.Form;
var template = _field.Template(TemplateUsage.Clarify);
var helpTemplate = _field.Template(template.AllowNumbers ? TemplateUsage.EnumOneNumberHelp : TemplateUsage.EnumManyNumberHelp);
field.SetPrompt(new PromptAttribute(template));
field.ReplaceTemplate(_field.Template(TemplateUsage.Clarify));
field.ReplaceTemplate(helpTemplate);
foreach (var value in clarify.Values)
{
field.AddDescription(value, recognizer.ValueDescription(value));
field.AddTerms(value, recognizer.ValidInputs(value).ToArray());
}
var choiceRecognizer = new RecognizeEnumeration <T>(field);
prompter = new Prompter <T>(template, _field.Form, choiceRecognizer);
}
return(prompter);
}
private FormPrompt ClarifyPrompt(FieldStepState stepState, IRecognize <T> recognizer, T state)
{
var clarify = NeedsClarification(stepState);
FormPrompt prompt = null;
if (clarify != null)
{
var field = ClarifyField(clarify, recognizer);
var prompter = new Prompter <T>(field.Template(TemplateUsage.Clarify), field.Form, new RecognizeEnumeration <T>(field));
prompt = prompter.Prompt(state, field, clarify.Response);
}
return(prompt);
}
private Ambiguous NeedsClarification(FieldStepState stepState)
{
Ambiguous clarify = null;
foreach (var clarification in stepState.Clarifications)
{
if (clarification.Values.Length > 1)
{
clarify = clarification;
break;
}
}
return(clarify);
}
private IRecognize <T> ClarifyRecognizer(FieldStepState stepState, IRecognize <T> recognizer)
{
var clarify = NeedsClarification(stepState);
return(clarify != null ? new RecognizeEnumeration <T>(ClarifyField(clarify, recognizer)) : null);
}
