protected virtual void AddItem(T collection, MessagePackObject item)
{
if (this._addItem == null)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(typeof(T), null);
}
try
{
this._addItem.Invoke(collection, new object[] { item });
}
catch (TargetInvocationException)
{
throw;
}
catch (Exception ex)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(typeof(T), ex);
}
}
protected internal override void UnpackToCore(Unpacker unpacker, T collection)
{
if (this._collectionDeserializer != null)
{
// Fast path:
this._collectionDeserializer.UnpackTo(unpacker, collection);
}
else
{
if (this._addItem == null)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(typeof(T), null);
}
if (!unpacker.IsArrayHeader)
{
throw SerializationExceptions.NewIsNotArrayHeader();
}
this.UnpackToCore(unpacker, collection, UnpackHelpers.GetItemsCount(unpacker));
}
}
private async Task UnpackAndAddCollectionItemAsync(object objectGraph, Unpacker unpacker, int index, CancellationToken cancellationToken)
{
var destination = this._getters[index](objectGraph);
if (destination == null)
{
throw SerializationExceptions.NewReadOnlyMemberItemsMustNotBeNull(this._contracts[index].Name);
}
var traits = destination.GetType().GetCollectionTraits(CollectionTraitOptions.WithAddMethod, this.OwnerContext.CompatibilityOptions.AllowNonCollectionEnumerableTypes);
if (traits.AddMethod == null)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(destination.GetType(), null);
}
var source = await this._serializers[index].UnpackFromAsync(unpacker, cancellationToken).ConfigureAwait(false) as IEnumerable;
if (source != null)
{
switch (traits.DetailedCollectionType)
{
case CollectionDetailedKind.GenericDictionary:
{
// item should be KeyValuePair<TKey, TValue>
var arguments = new object[2];
var key = default(PropertyInfo);
var value = default(PropertyInfo);
foreach (var item in source)
{
if (key == null)
{
key = item.GetType().GetProperty("Key");
value = item.GetType().GetProperty("Value");
}
arguments[0] = key.GetValue(item, null);
arguments[1] = value.GetValue(item, null);
traits.AddMethod.InvokePreservingExceptionType(destination, arguments);
}
break;
}
case CollectionDetailedKind.NonGenericDictionary:
{
// item should be DictionaryEntry
var arguments = new object[2];
foreach (var item in source)
{
arguments[0] = ReflectionSerializerHelper.DictionaryEntryKeyProperty.GetValue(item, null);
arguments[1] = ReflectionSerializerHelper.DictionaryEntryValueProperty.GetValue(item, null);
traits.AddMethod.InvokePreservingExceptionType(destination, arguments);
}
break;
}
default:
{
var arguments = new object[1];
foreach (var item in source)
{
arguments[0] = item;
traits.AddMethod.InvokePreservingExceptionType(destination, arguments);
}
break;
}
}
}
} // UnpackAndAddCollectionItemAsync
protected virtual void AddItem(object collection, object item)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(this.TargetType, null);
}
/// <summary>
/// When implemented by derive class,
/// adds the deserialized item to the collection on <typeparamref name="TCollection"/> specific manner
/// to implement <see cref="UnpackToCore(Unpacker,TCollection)"/>.
/// </summary>
/// <param name="collection">The collection to be added.</param>
/// <param name="item">The item to be added.</param>
/// <exception cref="NotSupportedException">
/// This implementation always throws it.
/// </exception>
protected virtual void AddItem(TCollection collection, object item)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(typeof(TCollection), null);
}
private void UnpackAndAddCollectionItem(object objectGraph, Unpacker unpacker, int index)
{
var destination = this._getters[index](objectGraph);
if (destination == null)
{
throw SerializationExceptions.NewReadOnlyMemberItemsMustNotBeNull(this._contracts[index].Name);
}
var traits = destination.GetType().GetCollectionTraits();
if (traits.AddMethod == null)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(destination.GetType(), null);
}
var source = this._serializers[index].UnpackFrom(unpacker) as IEnumerable;
if (source != null)
{
switch (traits.DetailedCollectionType)
{
case CollectionDetailedKind.GenericDictionary:
{
// item should be KeyValuePair<TKey, TValue>
var arguments = new object[2];
var key = default(PropertyInfo);
var value = default(PropertyInfo);
foreach (var item in source)
{
if (key == null)
{
key = item.GetType().GetProperty("Key");
value = item.GetType().GetProperty("Value");
}
arguments[0] = key.GetValue(item, null);
arguments[1] = value.GetValue(item, null);
traits.AddMethod.InvokePreservingExceptionType(destination, arguments);
}
break;
}
case CollectionDetailedKind.NonGenericDictionary:
{
// item should be DictionaryEntry
var arguments = new object[2];
foreach (var item in source)
{
arguments[0] = DictionaryEntryKeyProperty.GetValue(item, null);
arguments[1] = DictionaryEntryValueProperty.GetValue(item, null);
traits.AddMethod.InvokePreservingExceptionType(destination, arguments);
}
break;
}
default:
{
var arguments = new object[1];
foreach (var item in source)
{
arguments[0] = item;
traits.AddMethod.InvokePreservingExceptionType(destination, arguments);
}
break;
}
}
}
}
/// <summary>
/// When implemented by derive class,
/// adds the deserialized item to the collection on <typeparamref name="TDictionary"/> specific manner
/// to implement <see cref="UnpackToCore(Unpacker,TDictionary)"/>.
/// </summary>
/// <param name="dictionary">The dictionary to be added.</param>
/// <param name="key">The key to be added.</param>
/// <param name="value">The value to be added.</param>
/// <exception cref="NotSupportedException">
/// This implementation always throws it.
/// </exception>
protected virtual void AddItem( TDictionary dictionary, TKey key, TValue value )
{
throw SerializationExceptions.NewUnpackToIsNotSupported( typeof( TDictionary ), null );
}