mirror of
https://github.com/matrix-construct/construct
synced 2024-11-03 04:18:55 +01:00
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
|
// Matrix Construct
|
||
|
|
//
|
||
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
||
|
|
// Copyright (C) 2016-2019 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_STATE_HISTORY_H
|
||
|
|
|
||
|
|
/// Interface to the state of a room at some previous point in time. This is
|
||
|
|
/// constructed out of the data obtained through the lower-level state::space
|
||
|
|
/// interface.
|
||
|
|
///
|
||
|
|
struct ircd::m::room::state::history
|
||
|
|
{
|
||
|
|
using closure = std::function<bool (const string_view &, const string_view &, const int64_t &, const event::idx &)>;
|
||
|
|
|
||
|
|
state::space space;
|
||
|
|
int64_t bound {-1};
|
||
|
|
|
||
|
|
public:
|
||
|
|
bool for_each(const string_view &type, const string_view &state_key, const closure &) const;
|
||
|
|
bool for_each(const string_view &type, const closure &) const;
|
||
|
|
bool for_each(const closure &) const;
|
||
|
|
|
||
|
|
size_t count(const string_view &type, const string_view &state_key) const;
|
||
|
|
size_t count(const string_view &type) const;
|
||
|
|
|
||
|
|
bool has(const string_view &type, const string_view &state_key) const;
|
||
|
|
bool has(const string_view &type) const;
|
||
|
|
|
||
|
|
event::idx get(std::nothrow_t, const string_view &type, const string_view &state_key) const;
|
||
|
|
event::idx get(const string_view &type, const string_view &state_key) const;
|
||
|
|
|
||
|
|
history(const m::room &, const int64_t &bound);
|
||
|
|
history(const m::room::id &, const m::event::id &);
|
||
|
|
history(const m::room &);
|
||
|
|
};
|