/// <summary>
/// Recursively builds a node tree from the specified reader, advancing the reader in the process.
/// Throws an exception if the first node on the reader (which will become the tree's root cannot
/// be decoded or is not a container.
/// </summary>
/// <param name="reader">The BER reader to build the tree from.</param>
/// <param name="application">The application interface responsible for creating nodes
/// with application-defined types. If null, containers with application-defined types
/// will be decoded to objects of type EmberContainer.</param>
/// <returns>The root node of the decoded tree.</returns>
public static EmberNode Decode(EmberReader reader, EmberApplicationInterface application)
{
var root = null as EmberContainer;
if (reader.Read())
{
root = FromReader(reader, application) as EmberContainer;
if (root == null)
{
throw new BerException(4, "Root node is not a container");
}
var childReader = new EmberReader(reader);
Decode_Recurse(childReader, root, application);
}
return(root);
}
static void Decode_Recurse(EmberReader reader, EmberContainer parent, EmberApplicationInterface application)
{
while (reader.Read())
{
var node = FromReader(reader, application);
if (node != null)
{
var container = node as EmberContainer;
if (container != null)
{
var childReader = new EmberReader(reader);
Decode_Recurse(childReader, container, application);
}
node.ValidateAfterDecode();
parent.InsertChildNode(node);
}
}
}
void EmberToXml(EmberReader reader, XmlWriter writer)
{
if(reader.Read())
EmberToXml_ProcessNode(reader, writer, 0);
}
void EmberToXml_Recurse(EmberReader reader, XmlWriter writer, int indent)
{
while(reader.Read())
EmberToXml_ProcessNode(reader, writer, indent);
}