Chapril/xmpp.chapril.org-ejabberd
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* src/ejabberd_hooks.erl: anonymous functions support.

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SVN Revision: 1969
This commit is contained in:
Evgeniy Khramtsov 2009-03-06 09:34:13 +00:00
parent f826dc2f9f
commit 0e8f56f0b3
2 changed files with 34 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2009-03-06 Evgeniy Khramtsov <ekhramtsov@process-one.net>
* src/ejabberd_hooks.erl: anonymous functions support.
2009-03-05 Badlop <badlop@process-one.net>
* src/ejabberd_app.erl: In a Windows machine, explicitly add the

32
src/ejabberd_hooks.erl
View File

@ -31,7 +31,9 @@
%% External exports
-export([start_link/0,
add/3,
add/4,
delete/3,
delete/4,
run/2,
run_fold/3,
@ -58,6 +60,14 @@
start_link() ->
gen_server:start_link({local, ejabberd_hooks}, ejabberd_hooks, [], []).
%% @spec (Hook::atom(), Function::function(), Seq::integer()) -> ok
%% @doc See add/4.
add(Hook, Function, Seq) when is_function(Function) ->
add(Hook, global, undefined, Function, Seq).
add(Hook, Host, Function, Seq) when is_function(Function) ->
add(Hook, Host, undefined, Function, Seq);
%% @spec (Hook::atom(), Module::atom(), Function::atom(), Seq::integer()) -> ok
%% @doc Add a module and function to this hook.
%% The integer sequence is used to sort the calls: low number is called before high number.
@ -67,6 +77,14 @@ add(Hook, Module, Function, Seq) ->
add(Hook, Host, Module, Function, Seq) ->
gen_server:call(ejabberd_hooks, {add, Hook, Host, Module, Function, Seq}).
%% @spec (Hook::atom(), Function::function(), Seq::integer()) -> ok
%% @doc See del/4.
delete(Hook, Function, Seq) when is_function(Function) ->
delete(Hook, global, undefined, Function, Seq).
delete(Hook, Host, Function, Seq) when is_function(Seq) ->
delete(Hook, Host, undefined, Function, Seq);
%% @spec (Hook::atom(), Module::atom(), Function::atom(), Seq::integer()) -> ok
%% @doc Delete a module and function from this hook.
%% It is important to indicate exactly the same information than when the call was added.
@ -200,7 +218,12 @@ code_change(_OldVsn, State, _Extra) ->
run1([], _Hook, _Args) ->
ok;
run1([{_Seq, Module, Function} | Ls], Hook, Args) ->
case catch apply(Module, Function, Args) of
Res = if is_function(Function) ->
catch apply(Function, Args);
true ->
catch apply(Module, Function, Args)
end,
case Res of
{'EXIT', Reason} ->
?ERROR_MSG("~p~nrunning hook: ~p",
[Reason, {Hook, Args}]),
@ -215,7 +238,12 @@ run1([{_Seq, Module, Function} | Ls], Hook, Args) ->
run_fold1([], _Hook, Val, _Args) ->
Val;
run_fold1([{_Seq, Module, Function} | Ls], Hook, Val, Args) ->
case catch apply(Module, Function, [Val | Args]) of
Res = if is_function(Function) ->
catch apply(Function, [Val | Args]);
true ->
catch apply(Module, Function, [Val | Args])
end,
case Res of
{'EXIT', Reason} ->
?ERROR_MSG("~p~nrunning hook: ~p",
[Reason, {Hook, Args}]),