System.Xml.XmlValidatingReaderImpl.ParseDtdFromParserContextAsync C# (CSharp) Method

        private async Task ParseDtdFromParserContextAsync()
        {
            Debug.Assert(_parserContext != null);
            Debug.Assert(_coreReaderImpl.DtdInfo == null);

            if (_parserContext.DocTypeName == null || _parserContext.DocTypeName.Length == 0)
            {
                return;
            }

            IDtdParser dtdParser = DtdParser.Create();
            XmlTextReaderImpl.DtdParserProxy proxy = new XmlTextReaderImpl.DtdParserProxy(_coreReaderImpl);
            IDtdInfo dtdInfo = await dtdParser.ParseFreeFloatingDtdAsync(_parserContext.BaseURI, _parserContext.DocTypeName, _parserContext.PublicId, _parserContext.SystemId, _parserContext.InternalSubset, proxy).ConfigureAwait(false);
            _coreReaderImpl.SetDtdInfo(dtdInfo);

            ValidateDtd();
        }