public override TextReader GetReader()
{
Stream stream = OpenStream();
if (stream == null)
{
throw new InvalidImplementationException();
}
TextReader reader;
Encoding encoding = _defaultEncoding;
if (_engine != null)
{
reader = LanguageContext.FromEngine(_engine).GetSourceReader(stream, encoding);
}
else if (encoding != null)
{
reader = new StreamReader(stream, encoding, true);
}
else
{
reader = new StreamReader(stream, true);
}
return(reader);
}