mirror of
https://github.com/matrix-construct/construct
synced 2024-12-02 03:32:52 +01:00
113 lines
4.5 KiB
C++
113 lines
4.5 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_DBS_H
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namespace ircd::m::dbs
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{
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struct init;
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struct node;
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extern std::map<std::string, ircd::module> modules;
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extern std::map<std::string, import_shared<database>> databases;
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bool exists(const event::id &);
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size_t keys(const node &);
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size_t vals(const node &);
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size_t children(const node &);
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json::array key(const node &, const size_t &);
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string_view val(const node &, const size_t &);
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int keycmp(const json::array &a, const json::array &b);
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json::array make_key(const mutable_buffer &out, const string_view &type, const string_view &state_key);
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size_t find(const node &, const json::array &key);
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size_t find(const node &, const string_view &type, const string_view &state_key);
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json::object make_node(const mutable_buffer &out, const json::array *const &keys, const size_t &kn, const string_view *const &vals, const size_t &vn);
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json::object make_into(const mutable_buffer &out, const node &old, const size_t &pos, const json::array &key, const string_view &val);
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using id_closure = std::function<void (const string_view &)>;
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using node_closure = std::function<void (const json::object &)>;
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void get_node(db::column &, const string_view &id, const node_closure &);
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void get_node(const string_view &id, const node_closure &);
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string_view set_node(db::iov &txn, const mutable_buffer &hash, const json::array *const &keys, const size_t &kn, const string_view *const &vals, const size_t &vn);
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string_view set_into(db::iov &txn, const mutable_buffer &hash, const node &old, const size_t &pos, const json::array &key, const string_view &val);
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void get_head(db::column &, const id::room &, const id_closure &);
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void get_head(const id::room &, const id_closure &);
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string_view get_head(const id::room &, const mutable_buffer &buf);
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void set_head(db::iov &txn, const id::room &, const string_view &head);
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void get_value(const string_view &head, const json::array &key, const id_closure &);
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void get_value(const string_view &head, const string_view &type, const string_view &state_key, const id_closure &);
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void get_value__room(const id::room &, const string_view &type, const string_view &state_key, const id_closure &);
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void insert(db::iov &txn, const id::room &, const json::array &key, const id::event &);
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void insert(db::iov &txn, const id::room &, const string_view &type, const string_view &state_key, const id::event &);
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void append_indexes(const event &, db::iov &iov);
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void append_nodes(const event &, db::iov &iov);
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void write(const event &, db::iov &txn);
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}
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namespace ircd::m::dbs::name
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{
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constexpr const char *const k {"k"};
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constexpr const char *const v {"v"};
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}
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wsubobject-linkage"
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struct ircd::m::dbs::node
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:json::tuple
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<
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json::property<name::k, json::array>,
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json::property<name::v, json::array>
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>
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{
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using super_type::tuple;
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using super_type::operator=;
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};
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#pragma GCC diagnostic pop
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class ircd::m::dbs::init
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{
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void _modules();
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void _databases();
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public:
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init();
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~init() noexcept;
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};
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namespace ircd::m::dbs
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{
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using closure = std::function<void (const event &)>;
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using closure_bool = std::function<bool (const event &)>;
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bool _query(const query<> &, const closure_bool &);
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bool _query_event_id(const query<> &, const closure_bool &);
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bool _query_in_room_id(const query<> &, const closure_bool &, const id::room &);
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bool _query_for_type_state_key_in_room_id(const query<> &, const closure_bool &, const id::room &, const string_view &type, const string_view &state_key);
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int _query_where_event_id(const query<where::equal> &, const closure_bool &);
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int _query_where_room_id_at_event_id(const query<where::equal> &, const closure_bool &);
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int _query_where_room_id(const query<where::equal> &, const closure_bool &);
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int _query_where(const query<where::equal> &where, const closure_bool &closure);
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int _query_where(const query<where::logical_and> &where, const closure_bool &closure);
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}
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namespace ircd::m
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{
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void _index_special0(const event &event, db::iov &iov, const db::op &, const string_view &prev_event_id);
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void _index_special1(const event &event, db::iov &iov, const db::op &, const string_view &prev_event_id);
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}
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