public Feature Parse(TextReader featureFileReader, string sourceFilePath)
{
var fileContent = featureFileReader.ReadToEnd();
var language = languageServices.GetLanguage(fileContent);
I18n languageService = languageServices.GetLanguageService(language);
var gherkinListener = new GherkinListener(languageService);
Feature feature = Parse(fileContent, sourceFilePath, gherkinListener, languageService);
if (gherkinListener.Errors.Count > 0)
throw new SpecFlowParserException(gherkinListener.Errors);
Debug.Assert(feature != null, "If there were no errors, the feature cannot be null");
feature.Language = language.LanguageForConversions.Name;
return feature;
}
private Feature Parse(string fileContent, string sourceFilePath, GherkinListener gherkinListener, I18n languageService)
{
try
{
Lexer lexer = languageService.lexer(gherkinListener);
lexer.scan(fileContent, sourceFilePath, 0);
return gherkinListener.GetResult();
}
catch(SpecFlowParserException specFlowParserException)
{
foreach (var errorDetail in specFlowParserException.ErrorDetails)
gherkinListener.RegisterError(errorDetail);
}
catch (Exception ex)
{
gherkinListener.RegisterError(new ErrorDetail(ex));
}
return null;
}