mirror of
https://github.com/matrix-construct/construct
synced 2024-07-04 09:38:37 +02:00
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
// 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_TYPE_H
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/// Interface to all room events sorted by type. This is not the "room type"
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/// or m::type(room) classification string. This is an interface to the
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/// _room_type table allowing efficient iteration of events similar to
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/// room::events (_room_events) for a single event type. Events are sorted
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/// by descending depth and event_idx within each type (similar to
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/// room::events).
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///
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struct ircd::m::room::type
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{
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using closure = std::function<bool (const string_view &, const uint64_t &, const event::idx &)>;
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m::room room;
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string_view _type;
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std::pair<uint64_t, int64_t> range; // highest (inclusive) to lowest (exclusive)
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bool prefixing; // true = startswith(type)
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public:
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bool for_each(const closure &) const;
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size_t count() const;
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bool empty() const;
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type(const m::room &,
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const string_view &type = {},
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const decltype(range) & = { -1UL, -1L },
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const bool &prefixing = false);
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static bool prefetch(const room::id &, const string_view &type, const int64_t &depth);
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static bool prefetch(const room::id &, const string_view &type);
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};
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inline
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ircd::m::room::type::type(const m::room &room,
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const string_view &type,
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const decltype(range) &range,
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const bool &prefixing)
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:room{room}
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,_type{type}
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,range{range}
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,prefixing{prefixing}
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{}
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