mirror of
https://github.com/matrix-construct/construct
synced 2024-11-18 07:50:57 +01:00
77 lines
2.1 KiB
C++
77 lines
2.1 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_UTIL_H
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namespace ircd::json
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{
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using name_hash_t = size_t;
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constexpr name_hash_t name_hash(const string_view name);
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constexpr name_hash_t operator ""_(const char *const name, const size_t len);
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/// Higher order type beyond a string to cleanly delimit multiple keys.
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using path = std::initializer_list<string_view>;
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std::ostream &operator<<(std::ostream &, const path &);
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extern const string_view literal_null;
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extern const string_view literal_true;
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extern const string_view literal_false;
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extern const string_view empty_string;
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extern const string_view empty_object;
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extern const string_view empty_array;
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extern const int64_t undefined_number;
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size_t serialized(const string_view &);
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string_view stringify(mutable_buffer &, const string_view &);
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using members = std::initializer_list<member>;
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// Validate JSON - checks if valid JSON (not canonical).
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bool valid(const string_view &, std::nothrow_t) noexcept;
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void valid(const string_view &);
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std::string why(const string_view &);
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// (Internal) validates output
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void valid_output(const string_view &, const size_t &expected);
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}
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namespace ircd
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{
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using json::operator<<;
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}
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inline std::ostream &
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ircd::json::operator<<(std::ostream &s, const path &p)
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{
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auto it(std::begin(p));
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if(it != std::end(p))
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{
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s << *it;
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++it;
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}
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for(; it != std::end(p); ++it)
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s << '.' << *it;
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return s;
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}
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constexpr ircd::json::name_hash_t
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ircd::json::operator ""_(const char *const text, const size_t len)
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{
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return name_hash(string_view(text, len));
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}
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constexpr ircd::json::name_hash_t
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ircd::json::name_hash(const string_view name)
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{
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return ircd::hash(name);
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}
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