private async Task<TDictionary> UnpackToAsyncCore( Unpacker unpacker, TDictionary collection, int itemsCount, CancellationToken cancellationToken )
{
for ( int i = 0; i < itemsCount; i++ )
{
if ( !unpacker.Read() )
{
SerializationExceptions.ThrowMissingKey( i, unpacker );
}
TKey key;
if ( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
{
key = await this._keySerializer.UnpackFromAsync( unpacker, cancellationToken ).ConfigureAwait( false );
}
else
{
using ( var subtreeUnpacker = unpacker.ReadSubtree() )
{
key = await this._keySerializer.UnpackFromAsync( subtreeUnpacker, cancellationToken ).ConfigureAwait( false );
}
}
if ( !unpacker.Read() )
{
SerializationExceptions.ThrowMissingItem( i, unpacker );
}
TValue value;
if ( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
{
value = await this._valueSerializer.UnpackFromAsync( unpacker, cancellationToken ).ConfigureAwait( false );
}
else
{
using ( var subtreeUnpacker = unpacker.ReadSubtree() )
{
value = await this._valueSerializer.UnpackFromAsync( subtreeUnpacker, cancellationToken ).ConfigureAwait( false );
}
}
this.AddItem( collection, key, value );
}
return collection;
}
private void UnpackToCore( Unpacker unpacker, TDictionary collection, int itemsCount )
{
for ( int i = 0; i < itemsCount; i++ )
{
if ( !unpacker.Read() )
{
SerializationExceptions.ThrowMissingKey( i, unpacker );
}
TKey key;
if ( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
{
key = this._keySerializer.UnpackFrom( unpacker );
}
else
{
using ( var subtreeUnpacker = unpacker.ReadSubtree() )
{
key = this._keySerializer.UnpackFrom( subtreeUnpacker );
}
}
if ( !unpacker.Read() )
{
SerializationExceptions.ThrowMissingItem( i, unpacker );
}
TValue value;
if ( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
{
value = this._valueSerializer.UnpackFrom( unpacker );
}
else
{
using ( var subtreeUnpacker = unpacker.ReadSubtree() )
{
value = this._valueSerializer.UnpackFrom( subtreeUnpacker );
}
}
this.AddItem( collection, key, value );
}
}
} // UnpackAndAddCollectionItem
#if FEATURE_TAP
protected internal override async Task <T> UnpackFromAsyncCore(Unpacker unpacker, CancellationToken cancellationToken)
{
object result =
this._constructorParameters == null
? ReflectionExtensions.CreateInstancePreservingExceptionType(typeof(T))
: this._constructorParameters.Select(p =>
p.GetHasDefaultValue()
? p.DefaultValue
: p.ParameterType.GetIsValueType()
? ReflectionExtensions.CreateInstancePreservingExceptionType(p.ParameterType)
: null
).ToArray();
var unpacked = 0;
var asAsyncUnpackable = result as IAsyncUnpackable;
if (asAsyncUnpackable != null)
{
await asAsyncUnpackable.UnpackFromMessageAsync(unpacker, cancellationToken).ConfigureAwait(false);
return(( T )result);
}
var asUnpackable = result as IUnpackable;
if (asUnpackable != null)
{
await Task.Run(() => asUnpackable.UnpackFromMessage(unpacker), cancellationToken).ConfigureAwait(false);
return(( T )result);
}
if (unpacker.IsArrayHeader)
{
var itemsCount = UnpackHelpers.GetItemsCount(unpacker);
for (int i = 0; i < itemsCount; i++)
{
result = await this.UnpackMemberValueAsync(result, unpacker, itemsCount, unpacked, i, i, cancellationToken).ConfigureAwait(false);
unpacked++;
}
}
else
{
#if DEBUG
Contract.Assert(unpacker.IsMapHeader, "unpacker.IsMapHeader");
#endif // DEBUG
var itemsCount = UnpackHelpers.GetItemsCount(unpacker);
for (int i = 0; i < itemsCount; i++)
{
var name = await unpacker.ReadStringAsync(cancellationToken).ConfigureAwait(false);
if (!name.Success)
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
if (name.Value == null)
{
// missing member, drain the value and discard it.
if (!unpacker.Read() && i < itemsCount - 1)
{
SerializationExceptions.ThrowMissingKey(i + 1, unpacker);
}
continue;
}
int index;
if (!this._memberIndexes.TryGetValue(name.Value, out index))
{
// key does not exist in the object, skip the associated value
if (unpacker.Skip() == null)
{
SerializationExceptions.ThrowMissingItem(i, unpacker);
}
continue;
}
result = await this.UnpackMemberValueAsync(result, unpacker, itemsCount, unpacked, index, i, cancellationToken).ConfigureAwait(false);
unpacked++;
}
}
if (this._constructorParameters == null)
{
return(( T )result);
}
else
{
return(ReflectionExtensions.CreateInstancePreservingExceptionType <T>(typeof(T), result as object[]));
}
}
