System.Xml.Serialization.XmlSerializationReader.ReadTypedNull C# (CSharp) Method

        protected object ReadTypedNull(XmlQualifiedName type)
        {
            InitPrimitiveIDs();
            object value = null;
            if (!IsPrimitiveNamespace(type.Namespace) || (object)type.Name == (object)_urTypeID)
            {
                return null;
            }

            if ((object)type.Namespace == (object)_schemaNsID || (object)type.Namespace == (object)_soapNsID || (object)type.Namespace == (object)_soap12NsID)
            {
                if ((object)type.Name == (object)_stringID ||
                    (object)type.Name == (object)_anyURIID ||
                    (object)type.Name == (object)_durationID ||
                    (object)type.Name == (object)_ENTITYID ||
                    (object)type.Name == (object)_ENTITIESID ||
                    (object)type.Name == (object)_gDayID ||
                    (object)type.Name == (object)_gMonthID ||
                    (object)type.Name == (object)_gMonthDayID ||
                    (object)type.Name == (object)_gYearID ||
                    (object)type.Name == (object)_gYearMonthID ||
                    (object)type.Name == (object)_IDID ||
                    (object)type.Name == (object)_IDREFID ||
                    (object)type.Name == (object)_IDREFSID ||
                    (object)type.Name == (object)_integerID ||
                    (object)type.Name == (object)_languageID ||
                    (object)type.Name == (object)_nameID ||
                    (object)type.Name == (object)_NCNameID ||
                    (object)type.Name == (object)_NMTOKENID ||
                    (object)type.Name == (object)_NMTOKENSID ||
                    (object)type.Name == (object)_negativeIntegerID ||
                    (object)type.Name == (object)_nonPositiveIntegerID ||
                    (object)type.Name == (object)_nonNegativeIntegerID ||
                    (object)type.Name == (object)_normalizedStringID ||
                    (object)type.Name == (object)_NOTATIONID ||
                    (object)type.Name == (object)_positiveIntegerID ||
                    (object)type.Name == (object)_tokenID)
                    value = null;
                else if ((object)type.Name == (object)_intID)
                {
                    value = default(Nullable<int>);
                }
                else if ((object)type.Name == (object)_booleanID)
                    value = default(Nullable<bool>);
                else if ((object)type.Name == (object)_shortID)
                    value = default(Nullable<Int16>);
                else if ((object)type.Name == (object)_longID)
                    value = default(Nullable<long>);
                else if ((object)type.Name == (object)_floatID)
                    value = default(Nullable<float>);
                else if ((object)type.Name == (object)_doubleID)
                    value = default(Nullable<double>);
                else if ((object)type.Name == (object)_decimalID)
                    value = default(Nullable<decimal>);
                else if ((object)type.Name == (object)_dateTimeID)
                    value = default(Nullable<DateTime>);
                else if ((object)type.Name == (object)_qnameID)
                    value = null;
                else if ((object)type.Name == (object)_dateID)
                    value = default(Nullable<DateTime>);
                else if ((object)type.Name == (object)_timeID)
                    value = default(Nullable<DateTime>);
                else if ((object)type.Name == (object)_unsignedByteID)
                    value = default(Nullable<byte>);
                else if ((object)type.Name == (object)_byteID)
                    value = default(Nullable<SByte>);
                else if ((object)type.Name == (object)_unsignedShortID)
                    value = default(Nullable<UInt16>);
                else if ((object)type.Name == (object)_unsignedIntID)
                    value = default(Nullable<UInt32>);
                else if ((object)type.Name == (object)_unsignedLongID)
                    value = default(Nullable<UInt64>);
                else if ((object)type.Name == (object)_hexBinaryID)
                    value = null;
                else if ((object)type.Name == (object)_base64BinaryID)
                    value = null;
                else if ((object)type.Name == (object)_base64ID && ((object)type.Namespace == (object)_soapNsID || (object)type.Namespace == (object)_soap12NsID))
                    value = null;
                else
                    value = null;
            }
            else if ((object)type.Namespace == (object)_schemaNonXsdTypesNsID)
            {
                if ((object)type.Name == (object)_charID)
                    value = default(Nullable<char>);
                else if ((object)type.Name == (object)_guidID)
                    value = default(Nullable<Guid>);
                else if ((object) type.Name == (object) _timeSpanID)
                    value = default(Nullable<TimeSpan>);
                else
                    value = null;
            }
            else
                value = null;
            return value;
        }