util.stanza: Optimisation, remove useless if...then in stanza:children() iterator

[prosody.git] / util / jid.lua

diff --git a/util/jid.lua b/util/jid.lua
index b43247ccbbd0d055bbeca6ff6e5c78a8e8ab2ccf..9128ce4e0a73c8f219331da5114d34539b12f5fd 100644 (file)
--- a/util/jid.lua
+++ b/util/jid.lua
@@ -1,6 +1,6 @@
 -- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
 -- 
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
@@ -78,4 +78,17 @@ function join(node, host, resource)
        return nil; -- Invalid JID
 end
 
+function compare(jid, acl)
+       -- compare jid to single acl rule
+       -- TODO compare to table of rules?
+       local jid_node, jid_host, jid_resource = _split(jid);
+       local acl_node, acl_host, acl_resource = _split(acl);
+       if ((acl_node ~= nil and acl_node == jid_node) or acl_node == nil) and
+               ((acl_host ~= nil and acl_host == jid_host) or acl_host == nil) and
+               ((acl_resource ~= nil and acl_resource == jid_resource) or acl_resource == nil) then
+               return true
+       end
+       return false
+end
+
 return _M;