private static IDictionary <RuntimeTypeHandle, string> BuildTypeHandleTypeCodeMap(IDictionary <string, Type> typeMap)
{
var result = new Dictionary <RuntimeTypeHandle, string>(typeMap.Count);
foreach (var typeHandleTypeCodeMapping in typeMap.GroupBy(kv => kv.Value))
{
if (typeHandleTypeCodeMapping.Count() > 1)
{
SerializationExceptions.ThrowSerializationException(
String.Format(
CultureInfo.CurrentCulture,
"Type '{0}' is mapped to multiple extension type codes({1}).",
typeHandleTypeCodeMapping.Key,
String.Join(
CultureInfo.CurrentCulture.TextInfo.ListSeparator,
typeHandleTypeCodeMapping.Select(kv => kv.Key)
#if NETFX_35 || UNITY
.Select(b => b.ToString(CultureInfo.InvariantCulture)).ToArray()
#endif // NETFX_35 || UNITY
)
)
);
}
result.Add(typeHandleTypeCodeMapping.Key.TypeHandle, typeHandleTypeCodeMapping.First().Key);
}
return(result);
}
private MessagePackSerializer GetActualTypeSerializer(Type actualType)
{
var result = this.OwnerContext.GetSerializer(actualType, this._schema);
if (result == null)
{
SerializationExceptions.ThrowSerializationException(
String.Format(CultureInfo.CurrentCulture, "Cannot get serializer for actual type {0} from context.", actualType)
);
}
return(result);
}
private Type GetTypeFromCode(string typeCode)
{
RuntimeTypeHandle typeHandle;
if (!this._typeHandleMap.TryGetValue(typeCode, out typeHandle))
{
SerializationExceptions.ThrowSerializationException(
String.Format(CultureInfo.CurrentCulture, "Unknown type {0}.", StringEscape.ForDisplay(typeCode))
);
}
return(Type.GetTypeFromHandle(typeHandle));
}
private string GetTypeCode(T objectTree)
{
string typeCode;
if (!this._typeCodeMap.TryGetValue(objectTree.GetType().TypeHandle, out typeCode))
{
SerializationExceptions.ThrowSerializationException(
String.Format(
CultureInfo.CurrentCulture,
"Type '{0}' in assembly '{1}' is not defined as known types.",
objectTree.GetType().GetFullName(),
objectTree.GetType().GetAssembly()
)
);
}
return(typeCode);
}
protected internal override async Task <TArray> UnpackFromAsyncCore(Unpacker unpacker, CancellationToken cancellationToken)
{
if (!unpacker.IsArrayHeader)
{
SerializationExceptions.ThrowIsNotArrayHeader(unpacker);
}
if (UnpackHelpers.GetItemsCount(unpacker) != 2)
{
SerializationExceptions.ThrowSerializationException("Multidimensional array must be encoded as 2 element array.");
}
using (var wholeUnpacker = unpacker.ReadSubtree())
{
if (!await wholeUnpacker.ReadAsync(cancellationToken).ConfigureAwait(false))
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
MessagePackExtendedTypeObject metadata;
try
{
metadata = wholeUnpacker.LastReadData.AsMessagePackExtendedTypeObject();
}
catch (InvalidOperationException ex)
{
SerializationExceptions.ThrowSerializationException("Multidimensional array must be encoded as ext type.", ex);
metadata = default(MessagePackExtendedTypeObject); // never reaches
}
if (metadata.TypeCode != this.OwnerContext.ExtTypeCodeMapping[KnownExtTypeName.MultidimensionalArray])
{
SerializationExceptions.ThrowSerializationException(
String.Format(
CultureInfo.CurrentCulture,
"Multidimensional array must be encoded as ext type 0x{0:X2}.",
this.OwnerContext.ExtTypeCodeMapping[KnownExtTypeName.MultidimensionalArray]
)
);
}
Tuple <int[], int[]> lengthsAndLowerBounds;
using (var arrayMetadata = new MemoryStream(metadata.Body))
using (var metadataUnpacker = Unpacker.Create(arrayMetadata, false))
{
if (!metadataUnpacker.Read())
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
if (!metadataUnpacker.IsArrayHeader)
{
SerializationExceptions.ThrowIsNotArrayHeader(unpacker);
}
if (UnpackHelpers.GetItemsCount(metadataUnpacker) != 2)
{
SerializationExceptions.ThrowSerializationException("Multidimensional metadata array must be encoded as 2 element array.");
}
lengthsAndLowerBounds = await this.ReadArrayMetadataAsync(metadataUnpacker, cancellationToken).ConfigureAwait(false);
}
if (!await wholeUnpacker.ReadAsync(cancellationToken).ConfigureAwait(false))
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
if (!wholeUnpacker.IsArrayHeader)
{
SerializationExceptions.ThrowIsNotArrayHeader(unpacker);
}
using (var arrayUnpacker = wholeUnpacker.ReadSubtree())
{
var result =
Array.CreateInstance(typeof(TItem), lengthsAndLowerBounds.Item1, lengthsAndLowerBounds.Item2);
var totalLength = UnpackHelpers.GetItemsCount(arrayUnpacker);
if (totalLength > 0)
{
ForEach(
result,
totalLength,
lengthsAndLowerBounds.Item2,
lengthsAndLowerBounds.Item1,
async indices =>
{
// ReSharper disable AccessToDisposedClosure
if (!await arrayUnpacker.ReadAsync(cancellationToken).ConfigureAwait(false))
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
result.SetValue(
await this._itemSerializer.UnpackFromAsync(arrayUnpacker, cancellationToken).ConfigureAwait(false),
indices
);
// ReSharper restore AccessToDisposedClosure
}
);
}
return(( TArray )( object )result);
}
}
}
protected internal override object UnpackFromCore(Unpacker unpacker)
#endif // !UNITY
{
if (!unpacker.IsArrayHeader)
{
SerializationExceptions.ThrowIsNotArrayHeader(unpacker);
}
if (UnpackHelpers.GetItemsCount(unpacker) != 2)
{
SerializationExceptions.ThrowSerializationException("Multidimensional array must be encoded as 2 element array.");
}
using (var wholeUnpacker = unpacker.ReadSubtree())
{
if (!wholeUnpacker.Read())
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
MessagePackExtendedTypeObject metadata;
try
{
metadata = wholeUnpacker.LastReadData.AsMessagePackExtendedTypeObject();
}
catch (InvalidOperationException ex)
{
SerializationExceptions.ThrowSerializationException("Multidimensional array must be encoded as ext type.", ex);
metadata = default(MessagePackExtendedTypeObject); // never reaches
}
if (metadata.TypeCode != this.OwnerContext.ExtTypeCodeMapping[KnownExtTypeName.MultidimensionalArray])
{
SerializationExceptions.ThrowSerializationException(
String.Format(
CultureInfo.CurrentCulture,
"Multidimensional array must be encoded as ext type 0x{0:X2}.",
this.OwnerContext.ExtTypeCodeMapping[KnownExtTypeName.MultidimensionalArray]
)
);
}
int[] lengths, lowerBounds;
using (var arrayMetadata = new MemoryStream(metadata.Body))
using (var metadataUnpacker = Unpacker.Create(arrayMetadata, false))
{
if (!metadataUnpacker.Read())
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
if (!metadataUnpacker.IsArrayHeader)
{
SerializationExceptions.ThrowIsNotArrayHeader(unpacker);
}
if (UnpackHelpers.GetItemsCount(metadataUnpacker) != 2)
{
SerializationExceptions.ThrowSerializationException("Multidimensional metadata array must be encoded as 2 element array.");
}
this.ReadArrayMetadata(metadataUnpacker, out lengths, out lowerBounds);
}
#if SILVERLIGHT
// Simulate lowerbounds because Array.Initialize() in Silverlight does not support lowerbounds.
var inflatedLengths = new int[lengths.Length];
for (var i = 0; i < lowerBounds.Length; i++)
{
inflatedLengths[i] = lengths[i] + lowerBounds[i];
}
#endif // SILVERLIGHT
if (!wholeUnpacker.Read())
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
if (!wholeUnpacker.IsArrayHeader)
{
SerializationExceptions.ThrowIsNotArrayHeader(unpacker);
}
using (var arrayUnpacker = wholeUnpacker.ReadSubtree())
{
var result =
Array.CreateInstance(
#if !UNITY
typeof(TItem),
#else
this._itemType,
#endif // !UNITY
#if !SILVERLIGHT
lengths,
lowerBounds
#else
inflatedLengths
#endif // !SILVERLIGHT
);
var totalLength = UnpackHelpers.GetItemsCount(arrayUnpacker);
if (totalLength > 0)
{
ForEach(
result,
totalLength,
lowerBounds,
lengths,
indices =>
{
// ReSharper disable AccessToDisposedClosure
if (!arrayUnpacker.Read())
{
SerializationExceptions.ThrowUnexpectedEndOfStream(unpacker);
}
result.SetValue(
this._itemSerializer.UnpackFrom(arrayUnpacker),
indices
);
// ReSharper restore AccessToDisposedClosure
}
);
}
#if !UNITY
return(( TArray )( object )result);
#else
return(result);
#endif // !UNITY
}
}
}
