internal override void DeserializeOverride(BoundedStream stream, EventShuttle eventShuttle)
{
var parent = (TypeNode)TypeNode.Parent;
// resolve value type for deserialization
if (TypeNode.SubtypeBinding != null)
{
SetValueType(TypeNode.SubtypeBinding, this, TypeNode.SubtypeAttributes, TypeNode.SubtypeDefaultAttribute);
}
else if (parent.ItemSubtypeBinding != null)
{
SetValueType(parent.ItemSubtypeBinding, (ValueNode)Parent, parent.ItemSubtypeAttributes,
parent.ItemSubtypeDefaultAttribute);
}
else
{
// trivial case with no subtypes
_valueType = TypeNode.Type;
if (_valueType.GetTypeInfo().IsAbstract)
{
throw new InvalidOperationException(
"Abstract types must have at least one subtype binding to be deserialized.");
}
}
// skip over if null (this may happen if subtypes are unknown during deserialization)
if (_valueType != null)
{
var typeNode = (ObjectTypeNode)TypeNode;
// generate correct children for this subtype
var subType = typeNode.GetSubTypeNode(_valueType);
Children = new List <ValueNode>(subType.Children.Select(child => child.CreateSerializer(this)));
try
{
ObjectDeserializeOverride(stream, eventShuttle);
}
catch (EndOfStreamException)
{
// this is ok but we can't consider this object fully formed.
_valueType = null;
}
}
var length = GetFieldLength();
// Check if we need to read past padding
if (length != null)
{
if (length > stream.RelativePosition)
{
var padLength = length - stream.RelativePosition;
var pad = new byte[(int)padLength];
stream.Read(pad, 0, pad.Length);
}
}
}
private void SkipPadding(BoundedStream stream)
{
var length = GetFieldLength();
if (length != null)
{
if (length > stream.RelativePosition)
{
var padLength = length - stream.RelativePosition;
var pad = new byte[(int)padLength.TotalByteCount];
stream.Read(pad, padLength);
}
}
}
public void TestRead()
{
using (MemoryStream baseStream = new MemoryStream(_buff)) {
using (BoundedStream boundedStream = new BoundedStream(baseStream, 10, 100)) {
Assert.AreEqual((boundedStream.Position + boundedStream.LowerBound) % 256, boundedStream.ReadByte() % 256);
Assert.AreEqual((boundedStream.Position + boundedStream.LowerBound) % 256, boundedStream.ReadByte() % 256);
// Partial reads to upper bound
boundedStream.Seek(1, SeekOrigin.End);
byte[] buff = new byte[2] {
0, 200
};
byte[] expectedBuff = new byte[2] {
99, 200
};
boundedStream.Read(buff, 0, buff.Length);
CollectionAssert.AreEqual(expectedBuff, buff);
}
}
}
