private IEnumerable<GherkinParseEvent> ToZeroBasedLines(GherkinEventListener gherkinEventListener)
{
return gherkinEventListener.Events
.Select(_ => new GherkinParseEvent(_.GherkinTokenType, _.Tokens.Select(t => new Token(t.Content, new LineInFile(t.LineInFile.Line - 1))).ToArray()));
}
private Tuple<List<GherkinParseEvent>, List<Feature>> Parse(string content)
{
var features = new List<Feature>();
var nBehaveConfiguration = NBehaveConfiguration.New.DontIsolateInAppDomain().SetDryRun(true);
var gherkinScenarioParser = new GherkinScenarioParser(nBehaveConfiguration);
gherkinScenarioParser.FeatureEvent += (s, e) => features.Add(e.EventInfo);
var gherkinEventListener = new GherkinEventListener();
IListener listener = new CompositeGherkinListener(gherkinEventListener, gherkinScenarioParser);
var newEvents = new List<GherkinParseEvent>();
var parser = new Parser(listener);
try
{
parser.Scan(content);
}
catch (Exception e)
{
var match = new Regex(@"^Line: (?<lineNumber>\d+). (\w+\s*)+ '(?<lineText>.*)'$").Match(e.Message);
if (match.Success && (e is ParseException))
{
var line = int.Parse(match.Groups["lineNumber"].Value);
var lineInFile = new LineInFile(line - 1);
var text = match.Groups["lineText"].Value;
var token = new Token(text, lineInFile);
var error = new Token(e.Message, lineInFile);
newEvents.Add(new GherkinParseEvent(GherkinTokenType.SyntaxError, token, error));
}
}
finally
{
newEvents.AddRange(ToZeroBasedLines(gherkinEventListener).ToList());
}
return new Tuple<List<GherkinParseEvent>, List<Feature>>(newEvents, features);
}
