mirror of
https://github.com/processone/ejabberd.git
synced 2024-06-08 21:43:07 +02:00
129 lines
3.8 KiB
Erlang
129 lines
3.8 KiB
Erlang
%% Created automatically by xdata generator (xdata_codec.erl)
|
|
%% Source: flex_offline.xdata
|
|
%% Form type: http://jabber.org/protocol/offline
|
|
%% Document: XEP-0013
|
|
|
|
-module(flex_offline).
|
|
|
|
-export([decode/1, decode/2, encode/1, encode/2,
|
|
format_error/1]).
|
|
|
|
-include("xmpp_codec.hrl").
|
|
|
|
-include("flex_offline.hrl").
|
|
|
|
-export_type([{property, 0}, {result, 0}, {form, 0}]).
|
|
|
|
dec_int(Val, Min, Max) ->
|
|
case list_to_integer(binary_to_list(Val)) of
|
|
Int when Int =< Max, Min == infinity -> Int;
|
|
Int when Int =< Max, Int >= Min -> Int
|
|
end.
|
|
|
|
enc_int(Int) -> integer_to_binary(Int).
|
|
|
|
format_error({form_type_mismatch, Type}) ->
|
|
<<"FORM_TYPE doesn't match '", Type/binary, "'">>;
|
|
format_error({bad_var_value, Var, Type}) ->
|
|
<<"Bad value of field '", Var/binary, "' of type '",
|
|
Type/binary, "'">>;
|
|
format_error({missing_value, Var, Type}) ->
|
|
<<"Missing value of field '", Var/binary, "' of type '",
|
|
Type/binary, "'">>;
|
|
format_error({too_many_values, Var, Type}) ->
|
|
<<"Too many values for field '", Var/binary,
|
|
"' of type '", Type/binary, "'">>;
|
|
format_error({unknown_var, Var, Type}) ->
|
|
<<"Unknown field '", Var/binary, "' of type '",
|
|
Type/binary, "'">>;
|
|
format_error({missing_required_var, Var, Type}) ->
|
|
<<"Missing required field '", Var/binary, "' of type '",
|
|
Type/binary, "'">>.
|
|
|
|
decode(Fs) -> decode(Fs, []).
|
|
|
|
decode(Fs, Acc) ->
|
|
case lists:keyfind(<<"FORM_TYPE">>, #xdata_field.var,
|
|
Fs)
|
|
of
|
|
false -> decode(Fs, Acc, []);
|
|
#xdata_field{values =
|
|
[<<"http://jabber.org/protocol/offline">>]} ->
|
|
decode(Fs, Acc, []);
|
|
_ ->
|
|
erlang:error({?MODULE,
|
|
{form_type_mismatch,
|
|
<<"http://jabber.org/protocol/offline">>}})
|
|
end.
|
|
|
|
encode(Cfg) -> encode(Cfg, fun (Text) -> Text end).
|
|
|
|
encode(List, Translate) when is_list(List) ->
|
|
Fs = [case Opt of
|
|
{number_of_messages, Val} ->
|
|
[encode_number_of_messages(Val, Translate)];
|
|
{number_of_messages, _, _} ->
|
|
erlang:error({badarg, Opt});
|
|
#xdata_field{} -> [Opt];
|
|
_ -> []
|
|
end
|
|
|| Opt <- List],
|
|
FormType = #xdata_field{var = <<"FORM_TYPE">>,
|
|
type = hidden,
|
|
values =
|
|
[<<"http://jabber.org/protocol/offline">>]},
|
|
[FormType | lists:flatten(Fs)].
|
|
|
|
decode([#xdata_field{var = <<"number_of_messages">>,
|
|
values = [Value]}
|
|
| Fs],
|
|
Acc, Required) ->
|
|
try dec_int(Value, 0, infinity) of
|
|
Result ->
|
|
decode(Fs, [{number_of_messages, Result} | Acc],
|
|
lists:delete(<<"number_of_messages">>, Required))
|
|
catch
|
|
_:_ ->
|
|
erlang:error({?MODULE,
|
|
{bad_var_value, <<"number_of_messages">>,
|
|
<<"http://jabber.org/protocol/offline">>}})
|
|
end;
|
|
decode([#xdata_field{var = <<"number_of_messages">>,
|
|
values = []} =
|
|
F
|
|
| Fs],
|
|
Acc, Required) ->
|
|
decode([F#xdata_field{var = <<"number_of_messages">>,
|
|
values = [<<>>]}
|
|
| Fs],
|
|
Acc, Required);
|
|
decode([#xdata_field{var = <<"number_of_messages">>}
|
|
| _],
|
|
_, _) ->
|
|
erlang:error({?MODULE,
|
|
{too_many_values, <<"number_of_messages">>,
|
|
<<"http://jabber.org/protocol/offline">>}});
|
|
decode([#xdata_field{var = Var} | Fs], Acc, Required) ->
|
|
if Var /= <<"FORM_TYPE">> ->
|
|
erlang:error({?MODULE,
|
|
{unknown_var, Var,
|
|
<<"http://jabber.org/protocol/offline">>}});
|
|
true -> decode(Fs, Acc, Required)
|
|
end;
|
|
decode([], _, [Var | _]) ->
|
|
erlang:error({?MODULE,
|
|
{missing_required_var, Var,
|
|
<<"http://jabber.org/protocol/offline">>}});
|
|
decode([], Acc, []) -> Acc.
|
|
|
|
encode_number_of_messages(Value, Translate) ->
|
|
Values = case Value of
|
|
undefined -> [];
|
|
Value -> [enc_int(Value)]
|
|
end,
|
|
Opts = [],
|
|
#xdata_field{var = <<"number_of_messages">>,
|
|
values = Values, required = false, type = 'text-single',
|
|
options = Opts, desc = <<>>,
|
|
label = Translate(<<"Number of Offline Messages">>)}.
|