prosody
bd0ff8ae98a8
util/filters.lua

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Software / code / prosody

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util/filters.lua @ 5776:bd0ff8ae98a8

Remove all trailing whitespace
author Florian Zeitz <florob@babelmonkeys.de>
date Fri, 09 Aug 2013 17:48:21 +0200
parent 3943:ad5924c31953
child 5850:e8c743f4213f
comparison
equal deleted inserted replaced
5775:a6c2b8933507 5776:bd0ff8ae98a8
1 -- Prosody IM 1 -- Prosody IM
2 -- Copyright (C) 2008-2010 Matthew Wild 2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain 3 -- Copyright (C) 2008-2010 Waqas Hussain
4 -- 4 --
5 -- This project is MIT/X11 licensed. Please see the 5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information. 6 -- COPYING file in the source package for more information.
7 -- 7 --
8 8
9 local t_insert, t_remove = table.insert, table.remove; 9 local t_insert, t_remove = table.insert, table.remove;
14 14
15 function initialize(session) 15 function initialize(session)
16 if not session.filters then 16 if not session.filters then
17 local filters = {}; 17 local filters = {};
18 session.filters = filters; 18 session.filters = filters;
19 19
20 function session.filter(type, data) 20 function session.filter(type, data)
21 local filter_list = filters[type]; 21 local filter_list = filters[type];
22 if filter_list then 22 if filter_list then
23 for i = 1, #filter_list do 23 for i = 1, #filter_list do
24 data = filter_list[i](data, session); 24 data = filter_list[i](data, session);
26 end 26 end
27 end 27 end
28 return data; 28 return data;
29 end 29 end
30 end 30 end
31 31
32 for i=1,#new_filter_hooks do 32 for i=1,#new_filter_hooks do
33 new_filter_hooks[i](session); 33 new_filter_hooks[i](session);
34 end 34 end
35 35
36 return session.filter; 36 return session.filter;
37 end 37 end
38 38
39 function add_filter(session, type, callback, priority) 39 function add_filter(session, type, callback, priority)
40 if not session.filters then 40 if not session.filters then
41 initialize(session); 41 initialize(session);
42 end 42 end
43 43
44 local filter_list = session.filters[type]; 44 local filter_list = session.filters[type];
45 if not filter_list then 45 if not filter_list then
46 filter_list = {}; 46 filter_list = {};
47 session.filters[type] = filter_list; 47 session.filters[type] = filter_list;
48 end 48 end
49 49
50 priority = priority or 0; 50 priority = priority or 0;
51 51
52 local i = 0; 52 local i = 0;
53 repeat 53 repeat
54 i = i + 1; 54 i = i + 1;
55 until not filter_list[i] or filter_list[filter_list[i]] >= priority; 55 until not filter_list[i] or filter_list[filter_list[i]] >= priority;
56 56
57 t_insert(filter_list, i, callback); 57 t_insert(filter_list, i, callback);
58 filter_list[callback] = priority; 58 filter_list[callback] = priority;
59 end 59 end
60 60
61 function remove_filter(session, type, callback) 61 function remove_filter(session, type, callback)