private HttpListener MatchFromList(string host, string path, List <ListenerPrefix> list, out ListenerPrefix prefix)
{
prefix = null;
if (list == null)
{
return(null);
}
HttpListener bestMatch = null;
int bestLength = -1;
foreach (ListenerPrefix p in list)
{
string ppath = p.Path;
if (ppath.Length < bestLength)
{
continue;
}
if (path.StartsWith(ppath))
{
bestLength = ppath.Length;
bestMatch = p.Listener;
prefix = p;
}
}
return(bestMatch);
}
private HttpListener SearchListener(Uri uri, out ListenerPrefix prefix)
{
prefix = null;
if (uri == null)
{
return(null);
}
string host = uri.Host;
int port = uri.Port;
string path = WebUtility.UrlDecode(uri.AbsolutePath);
string pathSlash = path[path.Length - 1] == '/' ? path : path + "/";
HttpListener bestMatch = null;
int bestLength = -1;
if (host != null && host != "")
{
var pRo = _prefixes;
foreach (ListenerPrefix p in pRo.Keys)
{
string ppath = p.Path;
if (ppath.Length < bestLength)
{
continue;
}
if (p.Host != host || p.Port != port)
{
continue;
}
if (path.StartsWith(ppath) || pathSlash.StartsWith(ppath))
{
bestLength = ppath.Length;
bestMatch = (HttpListener)pRo[p];
prefix = p;
}
}
if (bestLength != -1)
{
return(bestMatch);
}
}
List <ListenerPrefix> list = _unhandled;
bestMatch = MatchFromList(host, path, list, out prefix);
if (path != pathSlash && bestMatch == null)
{
bestMatch = MatchFromList(host, pathSlash, list, out prefix);
}
if (bestMatch != null)
{
return(bestMatch);
}
list = _all;
bestMatch = MatchFromList(host, path, list, out prefix);
if (path != pathSlash && bestMatch == null)
{
bestMatch = MatchFromList(host, pathSlash, list, out prefix);
}
if (bestMatch != null)
{
return(bestMatch);
}
return(null);
}