SerializableType CompileCollectionTypes(Type type)
{
MemberAccessor keyAccessor = null;
MemberAccessor valueAccessor = null;
MethodAccessor addAccess = null;
Type itemType = null;
foreach (Type it in type.GetInterfaces())
{
if (it.IsGenericType())
{
Type genericTypeDef = it.GetGenericTypeDefinition();
if (genericTypeDef == typeof(IDictionary <,>))
{
Type[] argTypes = it.GetGenericArguments();
itemType = typeof(KeyValuePair <,>).MakeGenericType(argTypes);
keyAccessor = MemberAccessor.Create(itemType.GetProperty("Key"), false);
valueAccessor = MemberAccessor.Create(itemType.GetProperty("Value"), false);
addAccess = MethodAccessor.Create(type.GetMethod("Add", argTypes));
return(SerializableType.CreateGenericMapType(this, type, keyAccessor, valueAccessor, addAccess));
}
else if (genericTypeDef == typeof(IList <>))
{
Type[] argTypes = it.GetGenericArguments();
itemType = argTypes[0];
addAccess = MethodAccessor.Create(type.GetMethod("Add", argTypes));
return(SerializableType.CreateGenericListType(this, type, itemType, addAccess));
}
}
}
return(null);
}
bool TryCreateMethodAccessor(MethodInfo methodInfo, Type attributeType, out MethodAccessor methodAccessor)
{
object[] memberAttributes = methodInfo.GetCustomAttributes(attributeType, false);
if (memberAttributes.Length == 1)
{
methodAccessor = MethodAccessor.Create((MethodInfo)methodInfo);
return(true);
}
methodAccessor = null;
return(false);
}
bool TryCreateMethodAccessor <T>(MethodInfo methodInfo, out MethodAccessor methodAccessor) where T : Attribute
{
T memberAttribute = methodInfo.GetCustomAttribute <T>(false);
if (memberAttribute != null)
{
methodAccessor = MethodAccessor.Create((MethodInfo)methodInfo);
return(true);
}
methodAccessor = null;
return(false);
}
SerializableType CompileCollectionTypes(Type type, HashSet <Type> pendingTypes)
{
MemberAccessor keyAccessor = null;
MemberAccessor valueAccessor = null;
MethodAccessor addAccess = null;
if (type.IsArray)
{
// array of custom types. encode it as list
var itemType = type.GetElementType();
var listType = this.GetOrCompileType(typeof(List <>).MakeGenericType(itemType), false, pendingTypes);
return(SerializableType.CreateArrayType(this, type, itemType, listType));
}
foreach (Type it in type.GetInterfaces())
{
if (it.IsGenericType())
{
Type genericTypeDef = it.GetGenericTypeDefinition();
if (genericTypeDef == typeof(IDictionary <,>))
{
Type[] argTypes = it.GetGenericArguments();
var itemType = typeof(KeyValuePair <,>).MakeGenericType(argTypes);
keyAccessor = MemberAccessor.Create(itemType.GetProperty("Key"), false);
valueAccessor = MemberAccessor.Create(itemType.GetProperty("Value"), false);
addAccess = MethodAccessor.Create(type.GetMethod("Add", argTypes));
var keyType = this.GetOrCompileType(keyAccessor.Type, false, pendingTypes);
var valueType = this.GetOrCompileType(valueAccessor.Type, false, pendingTypes);
return(SerializableType.CreateGenericMapType(this, type, keyType,
valueType, keyAccessor, valueAccessor, addAccess));
}
else if (genericTypeDef == typeof(IList <>))
{
Type[] argTypes = it.GetGenericArguments();
var itemType = this.GetOrCompileType(argTypes[0], false, pendingTypes);
addAccess = MethodAccessor.Create(type.GetMethod("Add", argTypes));
return(SerializableType.CreateGenericListType(this, type, itemType, addAccess));
}
}
}
return(null);
}
SerializableType CreateContractType(AmqpContract contract)
{
Type type = contract.Type;
string descriptorName = contract.Attribute.Name;
ulong? descriptorCode = contract.Attribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
SerializableMember[] members = new SerializableMember[contract.Members.Length];
for (int i = 0; i < contract.Members.Length; i++)
{
SerializableMember member = new SerializableMember();
members[i] = member;
AmqpMember amqpMember = contract.Members[i];
member.Name = amqpMember.Name;
member.Order = amqpMember.Order;
member.Accessor = MemberAccessor.Create(amqpMember.Info, true);
// This will recursively resolve member types
Type memberType = amqpMember.Info is FieldInfo ?
((FieldInfo)amqpMember.Info).FieldType :
((PropertyInfo)amqpMember.Info).PropertyType;
member.Type = GetType(memberType);
}
MethodAccessor[] serializationCallbacks = new MethodAccessor[]
{
contract.Serializing == null ? null : MethodAccessor.Create(contract.Serializing),
contract.Serialized == null ? null : MethodAccessor.Create(contract.Serialized),
contract.Deserializing == null ? null : MethodAccessor.Create(contract.Deserializing),
contract.Deserialized == null ? null : MethodAccessor.Create(contract.Deserialized)
};
SerializableType baseType = null;
if (contract.BaseContract != null)
{
baseType = this.CreateContractType(contract.BaseContract);
}
Dictionary <Type, SerializableType> knownTypes = null;
if (contract.Provides != null)
{
knownTypes = new Dictionary <Type, SerializableType>();
for (int i = 0; i < contract.Provides.Length; i++)
{
// KnownType compilation is delayed and non-recursive to avoid circular references
knownTypes.Add(contract.Provides[i], null);
}
}
if (contract.Attribute.Encoding == EncodingType.List)
{
return(SerializableType.CreateDescribedListType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks));
}
else if (contract.Attribute.Encoding == EncodingType.Map)
{
return(SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks));
}
else if (contract.Attribute.Encoding == EncodingType.SimpleMap)
{
return(SerializableType.CreateDescribedSimpleMapType(this, type, baseType, members, serializationCallbacks));
}
else if (contract.Attribute.Encoding == EncodingType.SimpleList)
{
return(SerializableType.CreateDescribedSimpleListType(this, type, baseType, members, serializationCallbacks));
}
else
{
throw new NotSupportedException(contract.Attribute.Encoding.ToString());
}
}
SerializableType CreateContractType(AmqpContract contract, HashSet <Type> pendingTypes)
{
Type type = contract.Type;
if (pendingTypes.Contains(type))
{
return(SerializableType.CreateDelegatingType(this, type));
}
pendingTypes.Add(type);
string descriptorName = contract.Attribute.Name;
ulong? descriptorCode = contract.Attribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
SerializableMember[] members = new SerializableMember[contract.Members.Length];
for (int i = 0; i < contract.Members.Length; i++)
{
SerializableMember member = new SerializableMember();
members[i] = member;
AmqpMember amqpMember = contract.Members[i];
member.Name = amqpMember.Name;
member.Order = amqpMember.Order;
member.Accessor = MemberAccessor.Create(amqpMember.Info, true);
// This will recursively resolve member types
Type memberType = amqpMember.Info is FieldInfo ?
((FieldInfo)amqpMember.Info).FieldType :
((PropertyInfo)amqpMember.Info).PropertyType;
member.Type = GetOrCompileType(memberType, false, pendingTypes);
}
MethodAccessor[] serializationCallbacks = new MethodAccessor[]
{
contract.Serializing == null ? null : MethodAccessor.Create(contract.Serializing),
contract.Serialized == null ? null : MethodAccessor.Create(contract.Serialized),
contract.Deserializing == null ? null : MethodAccessor.Create(contract.Deserializing),
contract.Deserialized == null ? null : MethodAccessor.Create(contract.Deserialized)
};
SerializableType baseType = null;
if (contract.BaseContract != null)
{
baseType = this.CreateContractType(contract.BaseContract, pendingTypes);
}
SerializableType[] knownTypes = null;
if (contract.Provides != null)
{
knownTypes = new SerializableType[contract.Provides.Length];
for (int i = 0; i < contract.Provides.Length; i++)
{
knownTypes[i] = this.GetOrCompileType(contract.Provides[i], true, pendingTypes);
}
}
SerializableType result;
if (contract.Attribute.Encoding == EncodingType.List)
{
result = SerializableType.CreateDescribedListType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks);
}
else if (contract.Attribute.Encoding == EncodingType.Map)
{
result = SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks);
}
else if (contract.Attribute.Encoding == EncodingType.SimpleMap)
{
result = SerializableType.CreateDescribedSimpleMapType(this, type, baseType, members, serializationCallbacks);
}
else if (contract.Attribute.Encoding == EncodingType.SimpleList)
{
result = SerializableType.CreateDescribedSimpleListType(this, type, baseType, members, serializationCallbacks);
}
else
{
throw new NotSupportedException(contract.Attribute.Encoding.ToString());
}
pendingTypes.Remove(type);
return(result);
}
SerializableType CompileType(Type type, bool describedOnly)
{
object[] typeAttributes = type.GetCustomAttributes(typeof(AmqpContractAttribute), false);
if (typeAttributes.Length == 0)
{
if (describedOnly)
{
return(null);
}
else
{
return(CompileNonContractTypes(type));
}
}
AmqpContractAttribute contractAttribute = (AmqpContractAttribute)typeAttributes[0];
SerializableType baseType = null;
if (type.BaseType != typeof(object))
{
baseType = this.CompileType(type.BaseType, true);
if (baseType != null)
{
if (baseType.Encoding != contractAttribute.Encoding)
{
throw new SerializationException(
Fx.Format("{0}.Encoding ({1}) is different from {2}.Encoding ({3})",
type.Name, contractAttribute.Encoding, type.BaseType.Name, baseType.Encoding));
}
this.typeCache[type.BaseType] = baseType;
}
}
string descriptorName = contractAttribute.Name;
ulong? descriptorCode = contractAttribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
List <SerialiableMember> memberList = new List <SerialiableMember>();
if (contractAttribute.Encoding == EncodingType.List && baseType != null)
{
memberList.AddRange(baseType.Members);
}
int lastOrder = memberList.Count + 1;
MemberInfo[] memberInfos = type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
MethodAccessor onDeserialized = null;
foreach (MemberInfo memberInfo in memberInfos)
{
if (memberInfo.DeclaringType != type)
{
continue;
}
if (memberInfo.MemberType == MemberTypes.Field ||
memberInfo.MemberType == MemberTypes.Property)
{
object[] memberAttributes = memberInfo.GetCustomAttributes(typeof(AmqpMemberAttribute), true);
if (memberAttributes.Length != 1)
{
continue;
}
AmqpMemberAttribute attribute = (AmqpMemberAttribute)memberAttributes[0];
SerialiableMember member = new SerialiableMember();
member.Name = attribute.Name ?? memberInfo.Name;
member.Order = attribute.InternalOrder ?? lastOrder++;
member.Accessor = MemberAccessor.Create(memberInfo, true);
// This will recursively resolve member types
Type memberType = memberInfo.MemberType == MemberTypes.Field ? ((FieldInfo)memberInfo).FieldType : ((PropertyInfo)memberInfo).PropertyType;
member.Type = GetType(memberType);
memberList.Add(member);
}
else if (memberInfo.MemberType == MemberTypes.Method)
{
object[] memberAttributes = memberInfo.GetCustomAttributes(typeof(OnDeserializedAttribute), false);
if (memberAttributes.Length == 1)
{
onDeserialized = MethodAccessor.Create((MethodInfo)memberInfo);
}
}
}
if (contractAttribute.Encoding == EncodingType.List)
{
memberList.Sort(MemberOrderComparer.Instance);
int order = -1;
foreach (SerialiableMember member in memberList)
{
if (order > 0 && member.Order == order)
{
throw new SerializationException(Fx.Format("Duplicate Order {0} detected in {1}", order, type.Name));
}
order = member.Order;
}
}
SerialiableMember[] members = memberList.ToArray();
Dictionary <Type, SerializableType> knownTypes = null;
foreach (object o in type.GetCustomAttributes(typeof(AmqpProvidesAttribute), false))
{
AmqpProvidesAttribute knownAttribute = (AmqpProvidesAttribute)o;
if (knownAttribute.Type.GetCustomAttributes(typeof(AmqpContractAttribute), false).Length > 0)
{
if (knownTypes == null)
{
knownTypes = new Dictionary <Type, SerializableType>();
}
// KnownType compilation is delayed and non-recursive to avoid circular references
knownTypes.Add(knownAttribute.Type, null);
}
}
if (contractAttribute.Encoding == EncodingType.List)
{
return(SerializableType.CreateDescribedListType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, onDeserialized));
}
else if (contractAttribute.Encoding == EncodingType.Map)
{
return(SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, onDeserialized));
}
else
{
throw new NotSupportedException(contractAttribute.Encoding.ToString());
}
}
