+-- Prosody IM v0.4
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
local match = string.match;
+local nodeprep = require "util.encodings".stringprep.nodeprep;
+local nameprep = require "util.encodings".stringprep.nameprep;
+local resourceprep = require "util.encodings".stringprep.resourceprep;
module "jid"
function split(jid)
if not jid then return; end
- local node, nodelen = match(jid, "^([^@]+)@()");
- local host, hostlen = match(jid, "^([^@/]+)()", nodelen)
+ local node, nodepos = match(jid, "^([^@]+)@()");
+ local host, hostpos = match(jid, "^([^@/]+)()", nodepos)
if node and not host then return nil, nil, nil; end
- local resource = match(jid, "^/(.+)$", hostlen);
- if (not host) or ((not resource) and #jid >= hostlen) then return nil, nil, nil; end
+ local resource = match(jid, "^/(.+)$", hostpos);
+ if (not host) or ((not resource) and #jid >= hostpos) then return nil, nil, nil; end
return node, host, resource;
end
local node, host = split(jid);
if node and host then
return node.."@"..host;
- elseif host then
- return host;
end
- return nil;
+ return host;
+end
+
+function prepped_split(jid)
+ local node, host, resource = split(jid);
+ if host then
+ host = nameprep(host);
+ if not host then return; end
+ if node then
+ node = nodeprep(node);
+ if not node then return; end
+ end
+ if resource then
+ resource = resourceprep(resource);
+ if not resource then return; end
+ end
+ return node, host, resource;
+ end
+end
+
+function prep(jid)
+ local node, host, resource = prepped_split(jid);
+ if host then
+ if node then
+ host = node .. "@" .. host;
+ end
+ if resource then
+ host = host .. "/" .. resource;
+ end
+ end
+ return host;
end
return _M;