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);
}