64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace TLHelp {
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template <typename Callback>
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inline auto VisitChannelParticipant(
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const MTPChannelParticipant &p,
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Callback &&callback) {
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switch (p.type()) {
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case mtpc_channelParticipant:
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return callback(p.c_channelParticipant());
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case mtpc_channelParticipantSelf:
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return callback(p.c_channelParticipantSelf());
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case mtpc_channelParticipantAdmin:
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return callback(p.c_channelParticipantAdmin());
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case mtpc_channelParticipantCreator:
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return callback(p.c_channelParticipantCreator());
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case mtpc_channelParticipantBanned:
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return callback(p.c_channelParticipantBanned());
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default: Unexpected("Type in VisitChannelParticipant()");
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}
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}
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inline UserId ReadChannelParticipantUserId(const MTPChannelParticipant &p) {
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return VisitChannelParticipant(p, [](auto &&data) {
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return data.vuser_id.v;
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});
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}
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template <typename Callback>
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inline auto VisitChannelParticipants(
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const MTPchannels_ChannelParticipants &p,
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Callback &&callback) {
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switch (p.type()) {
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case mtpc_channels_channelParticipants:
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return callback(p.c_channels_channelParticipants());
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case mtpc_channels_channelParticipantsNotModified:
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return callback(p.type());
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default: Unexpected("Type in VisitChannelParticipants()");
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}
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}
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} // namespace TLHelp
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