mirror of
https://github.com/matrix-construct/construct
synced 2024-09-16 05:28:54 +02:00
50 lines
1.6 KiB
C
50 lines
1.6 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_TYPE_H
|
||
|
|
||
|
/// Interface to all room events sorted by type. This is not the "room type"
|
||
|
/// or m::type(room) classification string. This is an interface to the
|
||
|
/// _room_type table allowing efficient iteration of events similar to
|
||
|
/// room::events (_room_events) for a single event type. Events are sorted
|
||
|
/// by descending depth and event_idx within each type (similar to
|
||
|
/// room::events).
|
||
|
///
|
||
|
struct ircd::m::room::type
|
||
|
{
|
||
|
using closure = std::function<bool (const string_view &, const uint64_t &, const event::idx &)>;
|
||
|
|
||
|
m::room room;
|
||
|
string_view _type;
|
||
|
std::pair<uint64_t, int64_t> range; // highest (inclusive) to lowest (exclusive)
|
||
|
|
||
|
public:
|
||
|
bool for_each(const closure &) const;
|
||
|
size_t count() const;
|
||
|
bool empty() const;
|
||
|
|
||
|
type(const m::room &,
|
||
|
const string_view &type = {},
|
||
|
const decltype(range) & = { -1UL, -1L });
|
||
|
|
||
|
static bool prefetch(const room::id &, const string_view &type, const int64_t &depth);
|
||
|
static bool prefetch(const room::id &, const string_view &type);
|
||
|
};
|
||
|
|
||
|
inline
|
||
|
ircd::m::room::type::type(const m::room &room,
|
||
|
const string_view &type,
|
||
|
const decltype(range) &range)
|
||
|
:room{room}
|
||
|
,_type{type}
|
||
|
,range{range}
|
||
|
{}
|