prosody
f29a297471e3
util/filters.lua

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util/filters.lua @ 3135:f29a297471e3

util.filters: Don't traceback when trying to remove a filter from an uninitialized object
author Matthew Wild <mwild1@gmail.com>
date Wed, 02 Jun 2010 12:24:07 +0100
parent 3134:9a29ad6a9b97
child 3139:7b4f180d7c6f
comparison
equal deleted inserted replaced
3134:9a29ad6a9b97 3135:f29a297471e3
44 t_insert(filter_list, i, callback); 44 t_insert(filter_list, i, callback);
45 filter_list[callback] = priority; 45 filter_list[callback] = priority;
46 end 46 end
47 47
48 function remove_filter(session, type, callback) 48 function remove_filter(session, type, callback)
49 if not session.filters then return; end
49 local filter_list = session.filters[type]; 50 local filter_list = session.filters[type];
50 if filter_list and filter_list[callback] then 51 if filter_list and filter_list[callback] then
51 for i=1, #filter_list do 52 for i=1, #filter_list do
52 if filter_list[i] == callback then 53 if filter_list[i] == callback then
53 t_remove(filter_list, i); 54 t_remove(filter_list, i);