mirror of
https://github.com/matrix-construct/construct
synced 2024-12-30 17:34:04 +01:00
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 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_EVENT_PREV_H
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namespace ircd::m
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{
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bool for_each(const event::prev &, const event::id::closure_bool &);
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size_t degree(const event::prev &);
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size_t count(const event::prev &);
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std::ostream &pretty(std::ostream &, const event::prev &);
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std::string pretty(const event::prev &);
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std::ostream &pretty_oneline(std::ostream &, const event::prev &);
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std::string pretty_oneline(const event::prev &);
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}
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/// Interface to the previous-references of an event. This interface overlays
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/// on the m::event tuple and adds functionality focused specifically on the
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/// various reference properties in the event data.
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///
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/// Instances of this class "overlay" on the event tuple, meaning one just
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/// passes an m::event (or a json::object which would be passed to an m::event)
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/// to the constructor of this class. This class only has the properties of
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/// the event which contain references, and a suite of functions to work with
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/// those references.
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struct ircd::m::event::prev
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:json::tuple
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<
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json::property<name::auth_events, json::array>,
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json::property<name::prev_events, json::array>
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>
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{
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std::tuple<event::id, json::object> auth_events(const size_t &idx) const;
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std::tuple<event::id, json::object> prev_events(const size_t &idx) const;
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event::id auth_event(const size_t &idx) const;
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event::id prev_event(const size_t &idx) const;
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bool auth_event_exists(const size_t &idx) const;
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bool prev_event_exists(const size_t &idx) const;
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bool auth_events_has(const event::id &) const;
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bool prev_events_has(const event::id &) const;
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size_t auth_events_count() const;
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size_t prev_events_count() const;
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size_t auth_events_exist() const;
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size_t prev_events_exist() const;
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using super_type::tuple;
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using super_type::operator=;
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};
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