private void ReadChildContents(
EmberReader reader,
ElementType actualType,
int number,
ref Element child,
out RetrievalState childRetrievalState)
{
reader.AssertInnerNumber(InnerNumber.Set);
if (child != null)
{
childRetrievalState = child.ReadContents(reader, actualType);
}
else
{
using (var stream = new MemoryStream())
using (var writer = new EmberWriter(stream))
{
// Since EmberReader checks that every end of a container is matched by a start, we need to write
// this dummy here.
writer.WriteStartSet(GlowNode.Contents.OuterId);
var identifier = reader.CopyToEndContainer(writer, GlowNodeContents.Identifier.OuterId) as string;
if (identifier != null)
{
writer.Flush();
stream.Position = 0;
using (var contentsReader = new EmberReader(stream))
{
contentsReader.Read(); // Read what we have written with WriteStartSet above
var newPolicy = this.childrenRetrievalPolicy == ChildrenRetrievalPolicy.All ?
ChildrenRetrievalPolicy.All : ChildrenRetrievalPolicy.None;
var context = new Context(this, number, identifier, newPolicy);
child = this.ReadNewChildContents(contentsReader, actualType, context, out childRetrievalState);
if (child != null)
{
this.children.Add(number, child);
}
}
}
else
{
childRetrievalState = RetrievalState.Complete;
child = null;
}
}
}
}