2 -- Copyright (C) 2008 Matthew Wild
3 -- Copyright (C) 2008 Waqas Hussain
5 -- This program is free software; you can redistribute it and/or
6 -- modify it under the terms of the GNU General Public License
7 -- as published by the Free Software Foundation; either version 2
8 -- of the License, or (at your option) any later version.
10 -- This program is distributed in the hope that it will be useful,
11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 -- GNU General Public License for more details.
15 -- You should have received a copy of the GNU General Public License
16 -- along with this program; if not, write to the Free Software
17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 local match = string.match;
23 local nodeprep = require "util.encodings".stringprep.nodeprep;
24 local nameprep = require "util.encodings".stringprep.nameprep;
25 local resourceprep = require "util.encodings".stringprep.resourceprep;
30 if not jid then return; end
31 local node, nodepos = match(jid, "^([^@]+)@()");
32 local host, hostpos = match(jid, "^([^@/]+)()", nodepos)
33 if node and not host then return nil, nil, nil; end
34 local resource = match(jid, "^/(.+)$", hostpos);
35 if (not host) or ((not resource) and #jid >= hostpos) then return nil, nil, nil; end
36 return node, host, resource;
40 local node, host = split(jid);
42 return node.."@"..host;
47 function prepped_split(jid)
48 local node, host, resource = split(jid);
50 host = nameprep(host);
51 if not host then return; end
53 node = nodeprep(node);
54 if not node then return; end
57 resource = resourceprep(resource);
58 if not resource then return; end
60 return node, host, resource;
65 local node, host, resource = prepped_split(jid);
68 host = node .. "@" .. host;
71 host = host .. "/" .. resource;