mirror of
https://github.com/matrix-construct/construct
synced 2024-11-25 16:22:35 +01:00
81 lines
1.7 KiB
C++
81 lines
1.7 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
bool
|
|
ircd::m::user::servers::has(const string_view &server,
|
|
const string_view &membership)
|
|
const
|
|
{
|
|
// Return true if broken out of loop.
|
|
return !for_each(membership, []
|
|
(const auto &server) noexcept
|
|
{
|
|
// Break out of loop at first shared room
|
|
return false;
|
|
});
|
|
}
|
|
|
|
size_t
|
|
ircd::m::user::servers::count(const string_view &membership)
|
|
const
|
|
{
|
|
size_t ret{0};
|
|
for_each(membership, [&ret]
|
|
(const auto &server) noexcept
|
|
{
|
|
++ret;
|
|
return true;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
ircd::m::user::servers::for_each(const closure_bool &closure)
|
|
const
|
|
{
|
|
return for_each(string_view{}, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::user::servers::for_each(const string_view &membership,
|
|
const closure_bool &closure)
|
|
const
|
|
{
|
|
const m::user::rooms rooms
|
|
{
|
|
user
|
|
};
|
|
|
|
std::set<std::string, std::less<>> seen;
|
|
return rooms.for_each(membership, rooms::closure_bool{[&closure, &seen]
|
|
(const m::room &room, const string_view &membership)
|
|
{
|
|
const room::origins origins
|
|
{
|
|
room
|
|
};
|
|
|
|
return origins.for_each(room::origins::closure_bool{[&closure, &seen]
|
|
(const string_view &origin)
|
|
{
|
|
const auto it
|
|
{
|
|
seen.lower_bound(origin)
|
|
};
|
|
|
|
if(it != end(seen) && *it == origin)
|
|
return true;
|
|
|
|
seen.emplace_hint(it, std::string{origin});
|
|
return closure(origin);
|
|
}});
|
|
}});
|
|
}
|