private bool AddHelper(byte[] prefix, int start, Pipe pipe)
{
// We are at the node corresponding to the prefix. We are done.
if (prefix == null || prefix.Length == start) {
bool result = m_pipes == null;
if (m_pipes == null)
m_pipes = new HashSet<Pipe>();
m_pipes.Add (pipe);
return result;
}
byte c = prefix[start];
if (c < m_min || c >= m_min + m_count) {
// The character is out of range of currently handled
// charcters. We have to extend the table.
if (m_count == 0) {
m_min = c;
m_count = 1;
m_next = null;
}
else if (m_count == 1) {
int oldc = m_min;
Mtrie oldp = m_next[0];
m_count = (m_min < c ? c - m_min : m_min - c) + 1;
m_next = new Mtrie[m_count];
m_min = Math.Min (m_min, c);
m_next[oldc - m_min] = oldp;
}
else if (m_min < c) {
// The new character is above the current character range.
m_count = c - m_min + 1;
m_next = Realloc(m_next, m_count, true);
}
else {
// The new character is below the current character range.
m_count = (m_min + m_count) - c;
m_next = Realloc(m_next, m_count, false);
m_min = c;
}
}
// If next node does not exist, create one.
if (m_count == 1) {
if (m_next == null) {
m_next = new Mtrie[1];
m_next[0] = new Mtrie();
++m_liveNodes;
//alloc_Debug.Assert(next.node);
}
return m_next[0].AddHelper (prefix, start + 1, pipe);
}
else {
if (m_next[c - m_min] == null) {
m_next[c - m_min] = new Mtrie();
++m_liveNodes;
//alloc_Debug.Assert(next.table [c - min]);
}
return m_next[c - m_min].AddHelper (prefix , start + 1, pipe);
}
}
private Mtrie[] Realloc(Mtrie[] table, int size, bool ended)
{
return Utils.Realloc(table, size, ended);
}
public XPub(Ctx parent, int tid, int sid)
: base(parent, tid, sid)
{
m_options.SocketType = ZmqSocketType.Xpub;
m_verbose = false;
m_more = false;
m_subscriptions = new Mtrie();
m_dist = new Dist();
m_pending = new Deque<Blob>();
}