public static void WriteDictionaryTree <TKey, TValue>(this BitStream stream, DTree <TKey, TValue> tree,
Action <Stream, KeyValuePair <TKey, TValue> > writeValue)
{
var ie = tree.GetBreadthFirstEnumerator();
while (ie.MoveNext())
{
var node = ie.Current;
if (node == null)
{
stream.WriteBit(true);
}
else
{
stream.WriteBit(false);
var isValueNull = (node.Value.Key == null && node.Value.Value == null);
stream.WriteBit(isValueNull);
if (node.Children == null)
{
stream.WriteDeltaCode(0);
}
else
{
stream.WriteDeltaCode(node.Children.Count);
}
if (!isValueNull)
{
writeValue(stream, node.Value);
}
}
}
}
public static void WriteDictionaryTree <TKey, TValue>(this Stream stream, DTree <TKey, TValue> tree,
Action <Stream, KeyValuePair <TKey, TValue> > writeValue)
{
var ie = tree.GetBreadthFirstEnumerator();
while (ie.MoveNext())
{
var node = ie.Current;
if (node == null)
{
stream.WriteByte(1);
}
else
{
byte tag = 0;
var isValueNull = (node.Value.Key == null && node.Value.Value == null);
tag = tag.SetBit(1, isValueNull);
stream.WriteByte(tag);
if (node.Children == null)
{
stream.WriteInt32(0);
}
else
{
stream.WriteInt32(node.Children.Count);
}
if (!isValueNull)
{
writeValue(stream, node.Value);
}
}
}
}