public string Run(
string template,
IDictionary <string, object> model)
{
if (template == null)
{
throw new ArgumentNullException(nameof(template));
}
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
var output = new StringBuilder();
var reader = new StringReader(template);
var currentLine = reader.ReadLine();
while (currentLine != null)
{
var statement = Statements.FirstOrDefault(_ => _.Accept(currentLine));
if (statement == null)
{
throw new Exception($"Not recognized statement: `{ statement }`.");
}
(output, reader) = statement.Execute(currentLine, reader, output, model);
currentLine = reader.ReadLine();
}
return(output.ToString().TrimEnd());
}
public IAnswer SelectFirstConcept(
Func <StatementT, IConcept> resultConceptSelector,
Func <ILanguage, String> answerFormat,
Func <StatementT, IDictionary <String, IKnowledge> > getParameters)
{
ProcessChildrenIfNeed();
IAnswer answer = null;
var statement = Statements.FirstOrDefault();
if (statement != null)
{
answer = new ConceptAnswer(
resultConceptSelector(statement),
new FormattedText(
answerFormat,
getParameters(statement)),
new Explanation(Statements.OfType <IStatement>()));
answer.Explanation.Expand(AdditionalTransitives);
}
if (answer == null)
{
var childAnswer = ChildAnswers.FirstOrDefault();
if (childAnswer != null)
{
childAnswer.Answer.Explanation.Expand(childAnswer.TransitiveStatements);
answer = childAnswer.Answer;
}
}
return(answer ?? Answer.CreateUnknown());
}
/// <summary>
/// The first statement in the list or null if the list is empty.
/// </summary>
/// <returns></returns>
public StatementSyntax FirstOrDefault()
{
return(Statements.FirstOrDefault());
}