diff options
| -rw-r--r-- | util/filters.lua | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/util/filters.lua b/util/filters.lua index f6a3e77a..0ac4cb56 100644 --- a/util/filters.lua +++ b/util/filters.lua @@ -11,19 +11,22 @@ local t_insert, t_remove = table.insert, table.remove; module "filters" function initialize(session) - local filters = {}; - session.filters = filters; - - function session.filter(type, data) - local filter_list = filters[type]; - if filter_list then - for i = 1, #filter_list do - data = filter_list[i](data); - if data == nil then break; end + if not session.filters then + local filters = {}; + session.filters = filters; + + function session.filter(type, data) + local filter_list = filters[type]; + if filter_list then + for i = 1, #filter_list do + data = filter_list[i](data); + if data == nil then break; end + end end + return data; end - return data; end + return session.filter; end function add_filter(session, type, callback, priority) |