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util/jid.lua @ 2500:bffdaeb7ab5e
mod_privacy: Cleaned up code.
author | Waqas Hussain <waqas20@gmail.com> |
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date | Tue, 26 Jan 2010 02:07:13 +0500 |
parent | 2245:df9e18f5c808 |
child | 2923:b7049746bd29 |
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-- Prosody IM -- 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" local function _split(jid) if not jid then return; end 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, "^/(.+)$", hostpos); if (not host) or ((not resource) and #jid >= hostpos) then return nil, nil, nil; end return node, host, resource; end split = _split; function bare(jid) local node, host = _split(jid); if node and host then return node.."@"..host; end return host; end local 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 prepped_split = _prepped_split; 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 function join(node, host, resource) if node and host and resource then return node.."@"..host.."/"..resource; elseif node and host then return node.."@"..host; elseif host and resource then return host.."/"..resource; elseif host then return host; end return nil; -- Invalid JID end return _M;