annotate mod_mam/mamprefsxml.lib.lua @ 2014:dfa9c0cdd960

mod_mam: Remove application of defaults from preference xml encoding
author Kim Alvefur <zash@zash.se>
date Tue, 19 Jan 2016 13:17:52 +0100
parents 18349533c44d
children 5941aac79f06
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1135
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- XEP-0313: Message Archive Management for Prosody
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 -- Copyright (C) 2011-2013 Kim Alvefur
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 --
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 -- This file is MIT/X11 licensed.
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 local st = require"util.stanza";
1514
18349533c44d mod_mam: Fix xmlns in preferences (Thanks Lance)
Kim Alvefur <zash@zash.se>
parents: 1135
diff changeset
7 local xmlns_mam = "urn:xmpp:mam:0";
1135
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 local default_attrs = {
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 always = true, [true] = "always",
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 never = false, [false] = "never",
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 roster = "roster",
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 }
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 local function tostanza(prefs)
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 local default = prefs[false];
2014
dfa9c0cdd960 mod_mam: Remove application of defaults from preference xml encoding
Kim Alvefur <zash@zash.se>
parents: 1514
diff changeset
17 default = default_attrs[default];
1135
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
18 local prefstanza = st.stanza("prefs", { xmlns = xmlns_mam, default = default });
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 local always = st.stanza("always");
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 local never = st.stanza("never");
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 for jid, choice in pairs(prefs) do
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 if jid then
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 (choice and always or never):tag("jid"):text(jid):up();
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 prefstanza:add_child(always):add_child(never);
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 return prefstanza;
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 local function fromstanza(prefstanza)
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 local prefs = {};
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 local default = prefstanza.attr.default;
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 if default then
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 prefs[false] = default_attrs[default];
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 local always = prefstanza:get_child("always");
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 if always then
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 for rule in always:childtags("jid") do
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 local jid = rule:get_text();
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 prefs[jid] = true;
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 local never = prefstanza:get_child("never");
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 if never then
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 for rule in never:childtags("jid") do
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 local jid = rule:get_text();
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 prefs[jid] = false;
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 return prefs;
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 end
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 return {
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 tostanza = tostanza;
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 fromstanza = fromstanza;
0d6ab5e4bc30 mod_mam: Break out routines for converting prefs between XML and our internal representation into a library
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 }