mirror of
https://github.com/matrix-construct/construct
synced 2024-08-10 11:44:45 +02:00
70 lines
3 KiB
C
70 lines
3 KiB
C
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// 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_STATE_H
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namespace ircd::m::state
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{
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struct node;
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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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}
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namespace ircd::m::state::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::state::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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