private LocalBuilder ReadValue(Type type, string name, string ns) { LocalBuilder value = _ilg.DeclareLocal(type, "valueRead"); LocalBuilder?nullableValue = null; int nullables = 0; while (type.IsGenericType && type.GetGenericTypeDefinition() == Globals.TypeOfNullable) { nullables++; type = type.GetGenericArguments()[0]; } PrimitiveDataContract?primitiveContract = PrimitiveDataContract.GetPrimitiveDataContract(type); if ((primitiveContract != null && primitiveContract.UnderlyingType != Globals.TypeOfObject) || nullables != 0 || type.IsValueType) { LocalBuilder objectId = _ilg.DeclareLocal(Globals.TypeOfString, "objectIdRead"); _ilg.Call(_contextArg, XmlFormatGeneratorStatics.ReadAttributesMethod, _xmlReaderArg); _ilg.Call(_contextArg, XmlFormatGeneratorStatics.ReadIfNullOrRefMethod, _xmlReaderArg, type, DataContract.IsTypeSerializable(type)); _ilg.Stloc(objectId); // Deserialize null _ilg.If(objectId, Cmp.EqualTo, Globals.NullObjectId); if (nullables != 0) { _ilg.LoadAddress(value); _ilg.InitObj(value.LocalType); } else if (type.IsValueType) { ThrowValidationException(SR.Format(SR.ValueTypeCannotBeNull, DataContract.GetClrTypeFullName(type))); } else { _ilg.Load(null); _ilg.Stloc(value); } // Deserialize value // Compare against Globals.NewObjectId, which is set to string.Empty _ilg.ElseIfIsEmptyString(objectId); _ilg.Call(_contextArg, XmlFormatGeneratorStatics.GetObjectIdMethod); _ilg.Stloc(objectId); if (type.IsValueType) { _ilg.IfNotIsEmptyString(objectId); ThrowValidationException(SR.Format(SR.ValueTypeCannotHaveId, DataContract.GetClrTypeFullName(type))); _ilg.EndIf(); } if (nullables != 0) { nullableValue = value; value = _ilg.DeclareLocal(type, "innerValueRead"); } if (primitiveContract != null && primitiveContract.UnderlyingType != Globals.TypeOfObject) { _ilg.Call(_xmlReaderArg, primitiveContract.XmlFormatReaderMethod); _ilg.Stloc(value); if (!type.IsValueType) { _ilg.Call(_contextArg, XmlFormatGeneratorStatics.AddNewObjectMethod, value); } } else { InternalDeserialize(value, type, name, ns); } // Deserialize ref _ilg.Else(); if (type.IsValueType) { ThrowValidationException(SR.Format(SR.ValueTypeCannotHaveRef, DataContract.GetClrTypeFullName(type))); } else { _ilg.Call(_contextArg, XmlFormatGeneratorStatics.GetExistingObjectMethod, objectId, type, name, ns); _ilg.ConvertValue(Globals.TypeOfObject, type); _ilg.Stloc(value); } _ilg.EndIf(); if (nullableValue != null) { _ilg.If(objectId, Cmp.NotEqualTo, Globals.NullObjectId); WrapNullableObject(value, nullableValue, nullables); _ilg.EndIf(); value = nullableValue; } } else { InternalDeserialize(value, type, name, ns); } return(value); }
private int WriteMembers(ClassDataContract classContract, LocalBuilder extensionDataLocal, ClassDataContract derivedMostClassContract) { int memberCount = (classContract.BaseContract == null) ? 0 : WriteMembers(classContract.BaseContract, extensionDataLocal, derivedMostClassContract); LocalBuilder namespaceLocal = _ilg.DeclareLocal(typeof(XmlDictionaryString), "ns"); if (_contractNamespacesLocal == null) { _ilg.Load(_dataContractArg); _ilg.LoadMember(XmlFormatGeneratorStatics.NamespaceProperty); } else { _ilg.LoadArrayElement(_contractNamespacesLocal, _typeIndex - 1); } _ilg.Store(namespaceLocal); _ilg.Call(_contextArg, XmlFormatGeneratorStatics.IncrementItemCountMethod, classContract.Members.Count); for (int i = 0; i < classContract.Members.Count; i++, memberCount++) { DataMember member = classContract.Members[i]; Type memberType = member.MemberType; LocalBuilder memberValue = null; if (member.IsGetOnlyCollection) { _ilg.Load(_contextArg); _ilg.Call(XmlFormatGeneratorStatics.StoreIsGetOnlyCollectionMethod); } if (!member.EmitDefaultValue) { memberValue = LoadMemberValue(member); _ilg.IfNotDefaultValue(memberValue); } bool writeXsiType = CheckIfMemberHasConflict(member, classContract, derivedMostClassContract); if (writeXsiType || !TryWritePrimitive(memberType, memberValue, member.MemberInfo, null /*arrayItemIndex*/, namespaceLocal, null /*nameLocal*/, i + _childElementIndex)) { WriteStartElement(memberType, classContract.Namespace, namespaceLocal, null /*nameLocal*/, i + _childElementIndex); if (classContract.ChildElementNamespaces[i + _childElementIndex] != null) { _ilg.Load(_xmlWriterArg); _ilg.LoadArrayElement(_childElementNamespacesLocal, i + _childElementIndex); _ilg.Call(XmlFormatGeneratorStatics.WriteNamespaceDeclMethod); } if (memberValue == null) { memberValue = LoadMemberValue(member); } WriteValue(memberValue, writeXsiType); WriteEndElement(); } if (!member.EmitDefaultValue) { if (member.IsRequired) { _ilg.Else(); _ilg.Call(null, XmlFormatGeneratorStatics.ThrowRequiredMemberMustBeEmittedMethod, member.Name, classContract.UnderlyingType); } _ilg.EndIf(); } } _typeIndex++; _childElementIndex += classContract.Members.Count; return(memberCount); }