private Feature Parse(LineReader reader)
{
reader.ReadNextLine();
var featureTags = TagParser.ParseTagsIfPresent(reader);
Localisation.SetUICultureFromTag(featureTags);
if (!reader.IsFeatureStartLine)
{
throw new InvalidGherkinSyntaxException(
$"Expected the first line of a feature file to start with 'Feature:' or a tag.", reader.CurrentLineNumber);
}
var featureTitle = reader.CurrentLineFeatureTitle;
var featureNarrative = new StringBuilder();
reader.ReadNextLine();
while (
!reader.IsEndOfFile &&
!reader.IsRuleStartLine &&
!reader.IsScenarioStartLine &&
!reader.IsScenarioOutlineStartLine &&
!reader.IsBackgroundStartLine &&
!reader.IsTagLine)
{
featureNarrative.AppendLine(reader.CurrentLineTrimmed);
reader.ReadNextLine();
}
if (reader.IsEndOfFile)
{
return(new Feature(
featureTitle,
featureNarrative.ToString()?.Trim(),
Background.Empty,
Enumerable.Empty <Scenario>(),
Enumerable.Empty <ScenarioOutline>(),
Enumerable.Empty <Rule>(),
featureTags));
}
var featureBackground = BackgroundParser.ParseBackgroundIfPresent(reader);
var featureScenarios = new List <Scenario>();
var featureScenarioOutlines = new List <ScenarioOutline>();
var featureRules = new List <Rule>();
var featureContentParser = new FeatureContentParser(featureScenarios, featureScenarioOutlines, featureRules, reader);
featureContentParser.ParseFeatureContent();
return(new Feature(
featureTitle,
featureNarrative.ToString()?.Trim(),
featureBackground,
featureScenarios,
featureScenarioOutlines,
featureRules,
featureTags));
}