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authorMatthew Wild <mwild1@gmail.com>2010-06-02 17:23:57 +0100
committerMatthew Wild <mwild1@gmail.com>2010-06-02 17:23:57 +0100
commit881dc8a1052b66d189426b0323005ad8aca2b38c (patch)
tree0d141dfa473b48bcd9503090cafe67213f069a07
parent8b5f39bb76df439e8f9042b25c561412fdafebd9 (diff)
downloadprosody-881dc8a1052b66d189426b0323005ad8aca2b38c.tar.gz
prosody-881dc8a1052b66d189426b0323005ad8aca2b38c.zip
util.filters: Ensure initialize() never initializes an object twice - and return the filter function to the caller
-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)