public override DateTime ReadContentAsDateTime()

in src/dotnet-svcutil/lib/src/FrameworkFork/Microsoft.Xml/Xml/BinaryXml/XmlBinaryReader.cs [1159:1252]
89 lines of code
49 McCabe index (conditional complexity)

        public override DateTime ReadContentAsDateTime()
        {
            int origPos = _pos;
            DateTime value;
            try
            {
                if (SetupContentAsXXX("ReadContentAsDateTime"))
                {
                    try
                    {
                        switch (_token)
                        {
                            case BinXmlToken.SQL_DATETIME:
                            case BinXmlToken.SQL_SMALLDATETIME:
                            case BinXmlToken.XSD_TIME:
                            case BinXmlToken.XSD_DATETIME:
                            case BinXmlToken.XSD_DATE:
                            case BinXmlToken.XSD_KATMAI_DATE:
                            case BinXmlToken.XSD_KATMAI_DATETIME:
                            case BinXmlToken.XSD_KATMAI_TIME:
                            case BinXmlToken.XSD_KATMAI_DATEOFFSET:
                            case BinXmlToken.XSD_KATMAI_DATETIMEOFFSET:
                            case BinXmlToken.XSD_KATMAI_TIMEOFFSET:
                                value = ValueAsDateTime();
                                break;

                            case BinXmlToken.SQL_BIT:
                            case BinXmlToken.SQL_TINYINT:
                            case BinXmlToken.SQL_SMALLINT:
                            case BinXmlToken.SQL_INT:
                            case BinXmlToken.SQL_BIGINT:
                            case BinXmlToken.SQL_REAL:
                            case BinXmlToken.SQL_FLOAT:
                            case BinXmlToken.SQL_MONEY:
                            case BinXmlToken.SQL_SMALLMONEY:
                            case BinXmlToken.SQL_DECIMAL:
                            case BinXmlToken.SQL_NUMERIC:
                            case BinXmlToken.XSD_DECIMAL:
                            case BinXmlToken.SQL_UUID:
                            case BinXmlToken.SQL_VARBINARY:
                            case BinXmlToken.SQL_BINARY:
                            case BinXmlToken.SQL_IMAGE:
                            case BinXmlToken.SQL_UDT:
                            case BinXmlToken.XSD_BINHEX:
                            case BinXmlToken.XSD_BASE64:
                            case BinXmlToken.XSD_BOOLEAN:
                            case BinXmlToken.XSD_BYTE:
                            case BinXmlToken.XSD_UNSIGNEDSHORT:
                            case BinXmlToken.XSD_UNSIGNEDINT:
                            case BinXmlToken.XSD_UNSIGNEDLONG:
                            case BinXmlToken.XSD_QNAME:
                                throw new InvalidCastException(string.Format(ResXml.XmlBinary_CastNotSupported, _token, "DateTime"));

                            case BinXmlToken.SQL_CHAR:
                            case BinXmlToken.SQL_VARCHAR:
                            case BinXmlToken.SQL_TEXT:
                            case BinXmlToken.SQL_NCHAR:
                            case BinXmlToken.SQL_NVARCHAR:
                            case BinXmlToken.SQL_NTEXT:
                                goto Fallback;

                            case BinXmlToken.Element:
                            case BinXmlToken.EndElem:
                                return XmlConvert.ToDateTime(String.Empty, XmlDateTimeSerializationMode.RoundtripKind);

                            default:
                                Debug.Fail("should never happen");
                                goto Fallback;
                        }
                    }
                    catch (InvalidCastException e)
                    {
                        throw new XmlException(ResXml.Xml_ReadContentAsFormatException, "DateTime", e, null);
                    }
                    catch (FormatException e)
                    {
                        throw new XmlException(ResXml.Xml_ReadContentAsFormatException, "DateTime", e, null);
                    }
                    catch (OverflowException e)
                    {
                        throw new XmlException(ResXml.Xml_ReadContentAsFormatException, "DateTime", e, null);
                    }

                    origPos = FinishContentAsXXX(origPos);
                    return value;
                }
            }
            finally
            {
                _pos = origPos;
            }
        Fallback:
            return base.ReadContentAsDateTime();
        }