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construct/include/ircd/json/member.h
2019-07-15 11:06:01 -07:00

87 lines
2.4 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_JSON_MEMBER_H
namespace ircd::json
{
struct member;
using members = std::initializer_list<const member>;
bool operator==(const member &a, const member &b);
bool operator==(const member &a, const string_view &b);
bool operator!=(const member &a, const member &b);
bool operator!=(const member &a, const string_view &b);
bool operator<(const member &a, const member &b);
bool operator<(const member &a, const string_view &b);
bool sorted(const member *const &begin, const member *const &end);
size_t serialized(const member *const &begin, const member *const &end);
size_t serialized(const members &);
size_t serialized(const member &);
string_view stringify(mutable_buffer &, const member *const &begin, const member *const &end);
string_view stringify(mutable_buffer &, const members &);
string_view stringify(mutable_buffer &, const member &);
std::ostream &operator<<(std::ostream &, const member &);
}
/// A pair of json::value representing state for a member of an object.
///
/// This is slightly heavier than object::member as that only deals with
/// a pair of strings while the value here holds more diverse native state.
///
struct ircd::json::member
:std::pair<value, value>
{
member(const string_view &key, value &&);
template<class V> member(const string_view &key, V&&);
explicit member(const string_view &k);
explicit member(const object::member &m);
member() = default;
};
inline
ircd::json::member::member(const string_view &key,
value &&v)
:std::pair<value, value>
{
{ key, json::STRING }, std::move(v)
}
{}
template<class V>
inline __attribute__((always_inline))
ircd::json::member::member(const string_view &key,
V&& v)
:member
{
key, value { std::forward<V>(v) }
}
{}
inline
ircd::json::member::member(const object::member &m)
:member
{
m.first, value { m.second }
}
{}
inline
ircd::json::member::member(const string_view &k)
:member
{
k, value{}
}
{}