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construct/matrix/event_id.cc

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// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 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.
ircd::m::event::id::buf
ircd::m::event_id(const event::idx &event_idx)
{
event::id::buf ret;
const auto res
{
event_id(event_idx, ret)
};
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return ret;
}
ircd::m::event::id::buf
ircd::m::event_id(std::nothrow_t,
const event::idx &event_idx)
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{
event::id::buf ret;
const auto res
{
event_id(std::nothrow, event_idx, ret)
};
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return ret;
}
ircd::m::event::id
ircd::m::event_id(const event::idx &event_idx,
event::id::buf &buf)
{
const event::id ret
{
event_id(std::nothrow, event_idx, buf)
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};
if(!ret)
throw m::NOT_FOUND
{
"Cannot find event ID from idx[%lu]",
event_idx
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};
return ret;
}
ircd::m::event::id
ircd::m::event_id(std::nothrow_t,
const event::idx &event_idx,
event::id::buf &buf)
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{
event_id(std::nothrow, event_idx, [&buf]
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(const event::id &eid)
{
buf = eid;
});
return buf?
event::id{buf}:
event::id{};
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}
bool
ircd::m::event_id(std::nothrow_t,
const event::idx &event_idx,
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const event::id::closure &closure)
{
return get(std::nothrow, event_idx, "event_id", closure);
}