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rabbit_common
4.0.3-rc.1
4.2.1
4.2.0
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3.10.0-rc.5
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3.9.28
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3.9.26
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3.9.24
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3.9.16
3.9.15
3.9.11
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3.9.9
3.9.8
3.9.7
3.9.6
3.9.5
3.9.4
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3.8.26
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3.8.23
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3.7.18-rc.1
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3.7.17-rc.3
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3.7.16
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3.7.16-rc.4
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3.7.16-rc.3
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3.7.16-rc.2
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3.7.16-rc.1
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3.7.16-beta.1
3.7.15
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3.7.14-rc.1
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3.7.13-rc.1
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3.7.11-rc.2
3.7.11-rc.1
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3.7.10-rc.2
3.7.10-rc.1
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3.7.8
3.7.8-rc.4
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3.7.8-rc.2
3.7.8-rc.1
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3.7.6-rc.2
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3.7.5-rc.1
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3.7.4-rc.4
3.7.4-rc.3
3.7.4-rc.2
3.7.4-rc.1
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3.7.3-rc.2
3.7.3-rc.1
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3.7.1
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3.7.0-alpha.544
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3.6.7-pre.1
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3.4.0
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3.0.2
0.0.0-rc.1
Modules shared by rabbitmq-server and rabbitmq-erlang-client
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Files
src/rabbit_routing_parser.erl
%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2013-2023 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(rabbit_routing_parser).
-export([parse_endpoint/1,
parse_endpoint/2,
parse_routing/1]).
parse_endpoint(Destination) ->
parse_endpoint(Destination, false).
parse_endpoint(undefined, AllowAnonymousQueue) ->
parse_endpoint("/queue", AllowAnonymousQueue);
parse_endpoint(Destination, AllowAnonymousQueue)
when is_binary(Destination) ->
List = unicode:characters_to_list(Destination),
parse_endpoint(List, AllowAnonymousQueue);
parse_endpoint(Destination, AllowAnonymousQueue)
when is_list(Destination) ->
case re:split(Destination, "/", [unicode, {return, list}]) of
[Name] ->
{ok, {queue, unescape(Name)}};
["", Type | Rest]
when Type =:= "exchange" orelse Type =:= "queue" orelse
Type =:= "topic" orelse Type =:= "temp-queue" ->
parse_endpoint0(atomise(Type), Rest, AllowAnonymousQueue);
["", "amq", "queue" | Rest] ->
parse_endpoint0(amqqueue, Rest, AllowAnonymousQueue);
["", "reply-queue" = Prefix | [_|_]] ->
parse_endpoint0(reply_queue,
[lists:nthtail(2 + length(Prefix), Destination)],
AllowAnonymousQueue);
_ ->
{error, {unknown_destination, Destination}}
end.
parse_endpoint0(exchange, ["" | _] = Rest, _) ->
{error, {invalid_destination, exchange, to_url(Rest)}};
parse_endpoint0(exchange, [Name], _) ->
{ok, {exchange, {unescape(Name), undefined}}};
parse_endpoint0(exchange, [Name, Pattern], _) ->
{ok, {exchange, {unescape(Name), unescape(Pattern)}}};
parse_endpoint0(queue, [], false) ->
{error, {invalid_destination, queue, []}};
parse_endpoint0(queue, [], true) ->
{ok, {queue, undefined}};
parse_endpoint0(Type, [[_|_]] = [Name], _) ->
{ok, {Type, unescape(Name)}};
parse_endpoint0(Type, Rest, _) ->
{error, {invalid_destination, Type, to_url(Rest)}}.
parse_routing({exchange, {Name, undefined}}) ->
{Name, ""};
parse_routing({exchange, {Name, Pattern}}) ->
{Name, Pattern};
parse_routing({topic, Name}) ->
{"amq.topic", Name};
parse_routing({Type, Name})
when Type =:= queue orelse Type =:= reply_queue orelse Type =:= amqqueue ->
{"", Name}.
atomise(Name) when is_list(Name) ->
list_to_atom(re:replace(Name, "-", "_", [{return,list}, global])).
to_url([]) -> [];
to_url(Lol) -> "/" ++ string:join(Lol, "/").
unescape(Str) -> unescape(Str, []).
unescape("%2F" ++ Str, Acc) -> unescape(Str, [$/ | Acc]);
unescape([C | Str], Acc) -> unescape(Str, [C | Acc]);
unescape([], Acc) -> lists:reverse(Acc).