mirror of
https://github.com/matrix-construct/construct
synced 2024-08-25 19:12:08 +02:00
97 lines
2 KiB
C++
97 lines
2 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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ircd::mapi::header
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IRCD_MODULE
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{
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"Matrix servers visible to a user from all their rooms."
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};
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IRCD_MODULE_EXPORT
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ircd::m::user::servers::servers(const m::user &user)
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:user{user}
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{
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::user::servers::has(const string_view &server,
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const string_view &membership)
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const
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{
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// Return true if broken out of loop.
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return !for_each(membership, []
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(const auto &server)
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{
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// Break out of loop at first shared room
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return false;
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});
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}
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size_t
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IRCD_MODULE_EXPORT
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ircd::m::user::servers::count(const string_view &membership)
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const
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{
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size_t ret{0};
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for_each(membership, [&ret]
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(const auto &server)
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{
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++ret;
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return true;
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});
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return ret;
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::user::servers::for_each(const closure_bool &closure)
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const
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{
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return for_each(string_view{}, closure);
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}
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bool
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IRCD_MODULE_EXPORT
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ircd::m::user::servers::for_each(const string_view &membership,
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const closure_bool &closure)
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const
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{
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const m::user::rooms rooms
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{
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user
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};
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std::set<std::string, std::less<>> seen;
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return rooms.for_each(membership, rooms::closure_bool{[&closure, &seen]
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(const m::room &room, const string_view &membership)
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{
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const room::origins origins
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{
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room
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};
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return origins.for_each(room::origins::closure_bool{[&closure, &seen]
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(const string_view &origin)
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{
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const auto it
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{
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seen.lower_bound(origin)
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};
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if(it != end(seen) && *it == origin)
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return true;
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seen.emplace_hint(it, std::string{origin});
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return closure(origin);
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}});
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}});
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}
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