270 lines
7.8 KiB
Erlang
270 lines
7.8 KiB
Erlang
%% Created automatically by xdata generator (xdata_codec.erl)
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%% Source: muc_request.xdata
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%% Form type: http://jabber.org/protocol/muc#request
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%% Document: XEP-0045
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-module(muc_request).
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-export([decode/1, decode/2, encode/1, encode/2,
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format_error/1]).
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-include("xmpp_codec.hrl").
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-include("muc_request.hrl").
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-export_type([property/0, result/0, form/0]).
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dec_enum(Val, Enums) ->
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AtomVal = erlang:binary_to_existing_atom(Val, utf8),
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case lists:member(AtomVal, Enums) of
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true -> AtomVal
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end.
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enc_enum(Atom) -> erlang:atom_to_binary(Atom, utf8).
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dec_bool(<<"1">>) -> true;
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dec_bool(<<"0">>) -> false;
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dec_bool(<<"true">>) -> true;
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dec_bool(<<"false">>) -> false.
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enc_bool(true) -> <<"1">>;
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enc_bool(false) -> <<"0">>.
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enc_jid(J) -> jid:to_string(J).
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dec_jid(Val) ->
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case jid:from_string(Val) of
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error -> erlang:error(badarg);
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J -> J
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end.
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format_error({form_type_mismatch, Type}) ->
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<<"FORM_TYPE doesn't match '", Type/binary, "'">>;
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format_error({bad_var_value, Var, Type}) ->
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<<"Bad value of field '", Var/binary, "' of type '",
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Type/binary, "'">>;
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format_error({missing_value, Var, Type}) ->
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<<"Missing value of field '", Var/binary, "' of type '",
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Type/binary, "'">>;
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format_error({too_many_values, Var, Type}) ->
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<<"Too many values for field '", Var/binary,
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"' of type '", Type/binary, "'">>;
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format_error({unknown_var, Var, Type}) ->
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<<"Unknown field '", Var/binary, "' of type '",
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Type/binary, "'">>;
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format_error({missing_required_var, Var, Type}) ->
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<<"Missing required field '", Var/binary, "' of type '",
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Type/binary, "'">>.
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decode(Fs) -> decode(Fs, []).
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decode(Fs, Acc) ->
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case lists:keyfind(<<"FORM_TYPE">>, #xdata_field.var,
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Fs)
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of
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false -> decode(Fs, Acc, [<<"muc#role">>]);
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#xdata_field{values =
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[<<"http://jabber.org/protocol/muc#request">>]} ->
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decode(Fs, Acc, [<<"muc#role">>]);
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_ ->
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erlang:error({?MODULE,
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{form_type_mismatch,
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<<"http://jabber.org/protocol/muc#request">>}})
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end.
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encode(Cfg) -> encode(Cfg, fun (Text) -> Text end).
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encode(List, Translate) when is_list(List) ->
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Fs = [case Opt of
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{role, Val} -> [encode_role(Val, default, Translate)];
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{role, Val, Opts} ->
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[encode_role(Val, Opts, Translate)];
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{jid, Val} -> [encode_jid(Val, Translate)];
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{jid, _, _} -> erlang:error({badarg, Opt});
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{roomnick, Val} -> [encode_roomnick(Val, Translate)];
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{roomnick, _, _} -> erlang:error({badarg, Opt});
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{request_allow, Val} ->
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[encode_request_allow(Val, Translate)];
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{request_allow, _, _} -> erlang:error({badarg, Opt});
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#xdata_field{} -> [Opt];
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_ -> []
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end
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|| Opt <- List],
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FormType = #xdata_field{var = <<"FORM_TYPE">>,
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type = hidden,
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values =
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[<<"http://jabber.org/protocol/muc#request">>]},
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[FormType | lists:flatten(Fs)].
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decode([#xdata_field{var = <<"muc#role">>,
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values = [Value]}
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| Fs],
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Acc, Required) ->
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try dec_enum(Value, [participant]) of
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Result ->
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decode(Fs, [{role, Result} | Acc],
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lists:delete(<<"muc#role">>, Required))
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catch
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_:_ ->
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erlang:error({?MODULE,
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{bad_var_value, <<"muc#role">>,
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<<"http://jabber.org/protocol/muc#request">>}})
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end;
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decode([#xdata_field{var = <<"muc#role">>,
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values = []} =
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F
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| Fs],
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Acc, Required) ->
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decode([F#xdata_field{var = <<"muc#role">>,
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values = [<<>>]}
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| Fs],
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Acc, Required);
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decode([#xdata_field{var = <<"muc#role">>} | _], _,
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_) ->
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erlang:error({?MODULE,
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{too_many_values, <<"muc#role">>,
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<<"http://jabber.org/protocol/muc#request">>}});
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decode([#xdata_field{var = <<"muc#jid">>,
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values = [Value]}
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| Fs],
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Acc, Required) ->
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try dec_jid(Value) of
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Result ->
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decode(Fs, [{jid, Result} | Acc],
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lists:delete(<<"muc#jid">>, Required))
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catch
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_:_ ->
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erlang:error({?MODULE,
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{bad_var_value, <<"muc#jid">>,
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<<"http://jabber.org/protocol/muc#request">>}})
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end;
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decode([#xdata_field{var = <<"muc#jid">>, values = []} =
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F
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| Fs],
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Acc, Required) ->
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decode([F#xdata_field{var = <<"muc#jid">>,
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values = [<<>>]}
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| Fs],
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Acc, Required);
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decode([#xdata_field{var = <<"muc#jid">>} | _], _, _) ->
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erlang:error({?MODULE,
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{too_many_values, <<"muc#jid">>,
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<<"http://jabber.org/protocol/muc#request">>}});
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decode([#xdata_field{var = <<"muc#roomnick">>,
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values = [Value]}
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| Fs],
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Acc, Required) ->
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try Value of
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Result ->
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decode(Fs, [{roomnick, Result} | Acc],
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lists:delete(<<"muc#roomnick">>, Required))
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catch
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_:_ ->
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erlang:error({?MODULE,
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{bad_var_value, <<"muc#roomnick">>,
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<<"http://jabber.org/protocol/muc#request">>}})
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end;
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decode([#xdata_field{var = <<"muc#roomnick">>,
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values = []} =
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F
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| Fs],
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Acc, Required) ->
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decode([F#xdata_field{var = <<"muc#roomnick">>,
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values = [<<>>]}
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| Fs],
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Acc, Required);
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decode([#xdata_field{var = <<"muc#roomnick">>} | _], _,
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_) ->
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erlang:error({?MODULE,
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{too_many_values, <<"muc#roomnick">>,
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<<"http://jabber.org/protocol/muc#request">>}});
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decode([#xdata_field{var = <<"muc#request_allow">>,
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values = [Value]}
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| Fs],
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Acc, Required) ->
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try dec_bool(Value) of
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Result ->
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decode(Fs, [{request_allow, Result} | Acc],
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lists:delete(<<"muc#request_allow">>, Required))
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catch
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_:_ ->
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erlang:error({?MODULE,
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{bad_var_value, <<"muc#request_allow">>,
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<<"http://jabber.org/protocol/muc#request">>}})
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end;
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decode([#xdata_field{var = <<"muc#request_allow">>,
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values = []} =
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F
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| Fs],
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Acc, Required) ->
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decode([F#xdata_field{var = <<"muc#request_allow">>,
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values = [<<>>]}
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| Fs],
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Acc, Required);
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decode([#xdata_field{var = <<"muc#request_allow">>}
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| _],
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_, _) ->
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erlang:error({?MODULE,
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{too_many_values, <<"muc#request_allow">>,
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<<"http://jabber.org/protocol/muc#request">>}});
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decode([#xdata_field{var = Var} | Fs], Acc, Required) ->
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if Var /= <<"FORM_TYPE">> ->
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erlang:error({?MODULE,
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{unknown_var, Var,
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<<"http://jabber.org/protocol/muc#request">>}});
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true -> decode(Fs, Acc, Required)
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end;
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decode([], _, [Var | _]) ->
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erlang:error({?MODULE,
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{missing_required_var, Var,
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<<"http://jabber.org/protocol/muc#request">>}});
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decode([], Acc, []) -> Acc.
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encode_role(Value, Options, Translate) ->
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Values = case Value of
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undefined -> [];
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Value -> [enc_enum(Value)]
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end,
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Opts = if Options == default ->
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[#xdata_option{label = Translate(<<"Participant">>),
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value = <<"participant">>}];
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true ->
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[#xdata_option{label = Translate(L),
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value = enc_enum(V)}
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|| {L, V} <- Options]
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end,
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#xdata_field{var = <<"muc#role">>, values = Values,
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required = false, type = 'list-single', options = Opts,
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desc = <<>>, label = Translate(<<"Requested role">>)}.
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encode_jid(Value, Translate) ->
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Values = case Value of
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undefined -> [];
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Value -> [enc_jid(Value)]
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end,
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Opts = [],
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#xdata_field{var = <<"muc#jid">>, values = Values,
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required = false, type = 'jid-single', options = Opts,
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desc = <<>>, label = Translate(<<"User JID">>)}.
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encode_roomnick(Value, Translate) ->
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Values = case Value of
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<<>> -> [];
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Value -> [Value]
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end,
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Opts = [],
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#xdata_field{var = <<"muc#roomnick">>, values = Values,
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required = false, type = 'text-single', options = Opts,
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desc = <<>>, label = Translate(<<"Nickname">>)}.
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encode_request_allow(Value, Translate) ->
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Values = case Value of
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undefined -> [];
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Value -> [enc_bool(Value)]
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end,
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Opts = [],
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#xdata_field{var = <<"muc#request_allow">>,
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values = Values, required = false, type = boolean,
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options = Opts, desc = <<>>,
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label = Translate(<<"Grant voice to this person?">>)}.
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