mirror of
https://github.com/matrix-construct/construct
synced 2024-11-10 20:11:07 +01:00
150 lines
3.6 KiB
C++
150 lines
3.6 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_JSON_MEMBER_H
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namespace ircd::json
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{
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struct member;
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bool operator==(const member &a, const member &b);
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bool operator==(const member &a, const string_view &b);
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bool operator!=(const member &a, const member &b);
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bool operator!=(const member &a, const string_view &b);
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bool operator<(const member &a, const member &b);
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bool operator<(const member &a, const string_view &b);
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bool sorted(const member *begin, const member *end);
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size_t serialized(const member *begin, const member *end);
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size_t serialized(const members &);
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size_t serialized(const member &);
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string_view stringify(mutable_buffer &, const member *begin, const member *end);
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string_view stringify(mutable_buffer &, const members &);
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string_view stringify(mutable_buffer &, const member &);
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std::ostream &operator<<(std::ostream &, const member &);
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}
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/// A pair of json::value representing state for a member of an object.
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///
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/// This is slightly heavier than object::member as that only deals with
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/// a pair of strings while the value here holds more diverse native state.
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///
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struct ircd::json::member
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:std::pair<value, value>
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{
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explicit member(const string_view &k);
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explicit member(const object::member &m);
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template<class K, class V> member(K&&, V&&);
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template<class K> member(K&&, value);
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member() = default;
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};
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template<class K,
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class V>
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inline __attribute__((always_inline))
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ircd::json::member::member(K&& k,
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V&& v)
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:std::pair<value, value>
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{
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value { std::forward<K>(k), json::STRING }, value { std::forward<V>(v) }
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}
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{}
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template<class K>
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inline __attribute__((always_inline))
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ircd::json::member::member(K&& k,
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value v)
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:std::pair<value, value>
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{
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value { std::forward<K>(k), json::STRING }, std::move(v)
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}
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{}
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inline
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ircd::json::member::member(const object::member &m)
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:member
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{
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m.first, value { m.second }
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}
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{}
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inline
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ircd::json::member::member(const string_view &k)
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:member
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{
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k, value{}
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}
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{}
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inline ircd::string_view
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ircd::json::stringify(mutable_buffer &buf,
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const members &list)
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{
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return stringify(buf, std::begin(list), std::end(list));
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}
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inline ircd::string_view
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ircd::json::stringify(mutable_buffer &buf,
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const member &m)
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{
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return stringify(buf, &m, &m + 1);
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}
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inline size_t
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ircd::json::serialized(const members &m)
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{
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return serialized(std::begin(m), std::end(m));
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}
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inline size_t
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ircd::json::serialized(const member &member)
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{
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return serialized(member.first) + 1 + serialized(member.second);
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}
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inline bool
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ircd::json::operator<(const member &a, const member &b)
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{
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return a.first < b.first;
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}
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inline bool
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ircd::json::operator!=(const member &a, const member &b)
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{
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return a.first != b.first;
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}
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inline bool
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ircd::json::operator==(const member &a, const member &b)
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{
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return a.first == b.first;
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}
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inline bool
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ircd::json::operator<(const member &a, const string_view &b)
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{
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return string_view{a.first.string, a.first.len} < b;
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}
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inline bool
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ircd::json::operator!=(const member &a, const string_view &b)
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{
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return string_view{a.first.string, a.first.len} != b;
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}
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inline bool
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ircd::json::operator==(const member &a, const string_view &b)
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{
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return string_view{a.first.string, a.first.len} == b;
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}
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