mirror of
https://github.com/matrix-construct/construct
synced 2024-11-04 04:48:53 +01:00
69 lines
2.8 KiB
C++
69 lines
2.8 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_EVENTS_H
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namespace ircd::m::events
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{
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struct range;
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using closure_bool = std::function<bool (const event::idx &, const event &)>;
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using closure_type_bool = std::function<bool (const string_view &, const event::idx &)>;
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using closure_sender_bool = std::function<bool (const id::user &, const event::idx &)>;
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using closure_type_name_bool = std::function<bool (const string_view &)>;
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using closure_sender_name_bool = std::function<bool (const id::user &)>;
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using closure_origin_name_bool = std::function<bool (const string_view &)>;
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// Iterate types starting with some prefix, or all types.
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bool for_each_type(const closure_type_name_bool &);
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bool for_each_type(const string_view &prefix, const closure_type_name_bool &);
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// Iterate servers starting at the hostname equal to or greater than provided
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bool for_each_origin(const closure_origin_name_bool &);
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bool for_each_origin(const string_view &hostlb, const closure_origin_name_bool &);
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// Iterate senders of events (users).
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bool for_each_sender(const closure_sender_name_bool &);
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bool for_each_sender(const string_view &key, const closure_sender_name_bool &);
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// Iterate event indexes matching the argument
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bool for_each_in_type(const string_view &, const closure_type_bool &);
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bool for_each_in_sender(const id::user &, const closure_sender_bool &);
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bool for_each_in_origin(const string_view &, const closure_sender_bool &);
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// Iterate viable event indexes in a range
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bool for_each(const range &, const event::closure_idx_bool &);
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bool for_each(const range &, const event_filter &, const event::closure_idx_bool &);
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// Iterate events in an index range
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bool for_each(const range &, const closure_bool &);
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bool for_each(const range &, const event_filter &, const closure_bool &);
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// util
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void dump__file(const string_view &filename);
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}
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/// Range to start (inclusive) and stop (exclusive). If start is greater than
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/// stop a reverse iteration will occur. -1 (or unsigned max value) can be used
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/// to start or stop at the end. 0 can be used to start or stop at the beginning.
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/// (event::idx of 0 is a sentinel)
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///
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struct ircd::m::events::range
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:event::idx_range
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{
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const event::fetch::opts *fopts {nullptr};
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range(const event::idx &start,
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const event::idx &stop = -1,
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const event::fetch::opts *const &fopts = nullptr)
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:event::idx_range{start, stop}
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,fopts{fopts}
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{}
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};
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