public void Dispose()
{
if (initialized)
{
Debug.Assert(inner != null, "inner != null");
inner.Dispose();
scanner.StopRecording();
}
}
public static TElement Read <TElement>([NotNull] this ILexer <TElement> instance, [NotNull] ITextScanner scanner) where TElement : Element
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (scanner == null)
{
throw new ArgumentNullException(nameof(scanner));
}
var offset = scanner.Offset;
scanner.StartRecording();
TElement candidate = null;
try
{
var context = scanner.GetContext();
foreach (var element in instance.Read(scanner, context))
{
if (candidate == null)
{
candidate = element;
}
else if (element.Text.Length > candidate.Text.Length)
{
candidate = element;
}
}
if (candidate == null)
{
return(null);
}
scanner.Seek(offset + candidate.Text.Length);
}
finally
{
scanner.StopRecording();
}
return(candidate);
}
