mirror of
https://github.com/matrix-construct/construct
synced 2024-12-29 00:44:17 +01:00
98 lines
2.4 KiB
C++
98 lines
2.4 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_HOOK_H
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namespace ircd::m
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{
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struct hook;
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}
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struct ircd::m::hook
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{
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struct site;
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struct list;
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IRCD_EXCEPTION(ircd::error, error)
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struct list static list;
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json::strung _feature;
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json::object feature;
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m::event matching;
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std::function<void (const m::event &)> function;
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bool registered;
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string_view site_name() const;
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bool match(const m::event &) const;
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public:
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hook(const json::members &, decltype(function));
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hook(decltype(function), const json::members &);
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hook(hook &&) = delete;
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hook(const hook &) = delete;
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virtual ~hook() noexcept;
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};
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/// The hook::site is the call-site for a hook. Each hook site is named
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/// and registers itself with the master extern hook::list. Each hook
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/// then registers itself with a hook::site. The site contains internal
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/// state to manage the efficient calling of the participating hooks.
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struct ircd::m::hook::site
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{
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json::strung _feature;
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json::object feature;
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bool registered;
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size_t count {0};
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string_view name() const;
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std::multimap<string_view, hook *> origin;
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std::multimap<string_view, hook *> room_id;
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std::multimap<string_view, hook *> sender;
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std::multimap<string_view, hook *> state_key;
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std::multimap<string_view, hook *> type;
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std::set<hook *> hooks;
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friend class hook;
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bool add(hook &);
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bool del(hook &);
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void call(hook &, const event &);
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public:
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void operator()(const event &);
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site(const json::members &);
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site(site &&) = delete;
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site(const site &) = delete;
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~site() noexcept;
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};
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/// The hook list is the registry of all of the hook sites. This is a singleton
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/// class with an extern instance. Each hook::site will register itself here
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/// by human readable name.
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struct ircd::m::hook::list
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:std::map<string_view, hook::site *>
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{
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friend class site;
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bool add(site &);
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bool del(site &);
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friend class hook;
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bool add(hook &);
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bool del(hook &);
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public:
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list() = default;
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list(list &&) = delete;
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list(const list &) = delete;
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};
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