public MapReflectionMessagePackSerializer(Type type, SerializationContext context, CollectionTraits traits)
: base(type, (context ?? SerializationContext.Default).CompatibilityOptions.PackerCompatibilityOptions)
{
Contract.Assert(typeof(IEnumerable).IsAssignableFrom(type), type + " is IEnumerable");
Contract.Assert(traits.ElementType == typeof(DictionaryEntry) || (traits.ElementType.GetIsGenericType() && traits.ElementType.GetGenericTypeDefinition() == typeof(KeyValuePair <,>)), "Element type " + traits.ElementType + " is not KeyValuePair<TKey,TValue>.");
this._traits = traits;
this._keySerializer = traits.ElementType.GetIsGenericType() ? context.GetSerializer(traits.ElementType.GetGenericArguments()[0]) : context.GetSerializer(typeof(MessagePackObject));
this._valueSerializer = traits.ElementType.GetIsGenericType() ? context.GetSerializer(traits.ElementType.GetGenericArguments()[1]) : context.GetSerializer(typeof(MessagePackObject));
this._getCount = ReflectionSerializerLogics.CreateGetCount(type, traits);
var constructor = ReflectionSerializerLogics.GetCollectionConstructor(context, type);
if (constructor == null)
{
this._createInstance = () => { throw SerializationExceptions.NewTargetDoesNotHavePublicDefaultConstructorNorInitialCapacity(type); };
this._createInstanceWithCapacity = null;
}
else if (constructor.GetParameters().Length == 1)
{
this._createInstance = null;
this._createInstanceWithCapacity = length => constructor.Invoke(new object[] { length });
}
else
{
this._createInstanceWithCapacity = null;
this._createInstance = () => constructor.Invoke(new object[0]);
}
var keyType = traits.ElementType.GetIsGenericType() ? traits.ElementType.GetGenericArguments()[0] : typeof(MessagePackObject);
var valueType = traits.ElementType.GetIsGenericType() ? traits.ElementType.GetGenericArguments()[1] : typeof(MessagePackObject);
var keyProperty = traits.ElementType.GetProperty("Key");
var valueProperty = traits.ElementType.GetProperty("Value");
this._packToCore = (Packer packer, object objectTree, IMessagePackSerializer keySerializer, IMessagePackSerializer valueSerializer) =>
{
packer.PackMapHeader(this._getCount(objectTree));
foreach (var kvp in (IEnumerable)objectTree)
{
keySerializer.PackTo(packer, keyProperty.GetValue(kvp, new object[0]));
valueSerializer.PackTo(packer, valueProperty.GetValue(kvp, new object[0]));
}
};
if (traits.ElementType.GetIsGenericType())
{
/*
* UnpackHelpers.UnpackMapTo<TKey,TValue>( unpacker, keySerializer, valueSerializer, instance );
*/
var unpackMapToMethod = Metadata._UnpackHelpers.UnpackMapTo_2; //.MakeGenericMethod(keyType, valueType);
this._unpackToCore = (Unpacker unpacker, object objectTree, IMessagePackSerializer keySerializer, IMessagePackSerializer valueSerializer) =>
{
unpackMapToMethod.Invoke(null, new object[] { unpacker, keySerializer, valueSerializer, objectTree });
};
}
else
{
/*
* UnpackHelpers.UnpackNonGenericMapTo( unpacker, instance );
*/
this._unpackToCore = (Unpacker unpacker, object objectTree, IMessagePackSerializer keySerializer, IMessagePackSerializer valueSerializer) => UnpackHelpers.UnpackMapTo(unpacker, (IDictionary)objectTree);
}
}