aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--util/filters.lua23
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)