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Add support for arbitrary events and event hooks

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This commit is contained in:
Matthew Wild 2008-10-03 22:17:20 +01:00
parent 6db3d039b3
commit 4ac420e3b0
1 changed files with 23 additions and 0 deletions
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23
core/modulemanager.lua
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@ -4,6 +4,7 @@ local log = require "util.logger".init("modulemanager")
local loadfile, pcall = loadfile, pcall;
local setmetatable, setfenv, getfenv = setmetatable, setfenv, getfenv;
local pairs, ipairs = pairs, ipairs;
local t_insert = table.insert;
local type = type;
local tostring, print = tostring, print;
@ -90,3 +91,25 @@ function handle_stanza(origin, stanza)
log("debug", "Stanza unhandled by any modules");
return false; -- we didn't handle it
end
do
local event_handlers = {};
function modulehelpers.add_event_hook(name, handler)
if not event_handlers[name] then
event_handlers[name] = {};
end
t_insert(event_handlers[name] , handler);
end
function fire_event(name, ...)
local event_handlers = event_handlers[name];
if event_handlers then
for name, handler in ipairs(event_handlers) do
handler(...);
end
end
end
end
return _M;