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construct/include/ircd/m/room/content.h

41 lines
1.1 KiB
C++

// The Construct
//
// Copyright (C) The Construct Developers, Authors & Contributors
// Copyright (C) 2016-2020 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.
#pragma once
#define HAVE_IRCD_M_ROOM_CONTENT_H
/// Interfaced optimized for iterating the `content` of room events.
///
struct ircd::m::room::content
{
using closure = std::function
<
bool (const json::object &, const uint64_t &, const event::idx &)
>;
static const size_t prefetch_max;
static conf::item<size_t> prefetch;
m::room room;
std::pair<uint64_t, int64_t> range; // highest (inclusive) to lowest (exclusive)
public:
bool for_each(const closure &) const;
content(const m::room &,
const decltype(range) & = { -1UL, -1L });
};
inline
ircd::m::room::content::content(const m::room &room,
const decltype(range) &range)
:room{room}
,range{range}
{}