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