public RegularExpressionScanner(CultureInfo defaultLanguage)
{
var dialectServices = new GherkinDialectServices(defaultLanguage);
GherkinDialect gherkinDialect = dialectServices.GetDefaultDialect();
patternTable = gherkinDialect.GetKeywords().ToList().ConvertAll(x => new Regex(Regex.Escape(x))).ToArray();
}
static internal bool IsKeywordPrefix(SnapshotPoint triggerPoint, GherkinLanguageService languageService)
{
var line = triggerPoint.GetContainingLine();
SnapshotPoint start = line.Start;
ForwardWhile(ref start, triggerPoint, p => char.IsWhiteSpace(p.GetChar()));
SnapshotPoint end = start;
ForwardWhile(ref end, triggerPoint, p => !char.IsWhiteSpace(p.GetChar()));
if (start >= end)
{
return(true); // returns true for empty word
}
end = triggerPoint;
// if (end < triggerPoint)
// return false;
var firstWord = triggerPoint.Snapshot.GetText(start, end.Position - start);
GherkinDialect dialect = GetDialect(languageService);
return(dialect.GetKeywords().Any(k => k.StartsWith(firstWord, StringComparison.CurrentCultureIgnoreCase)));
}