mirror of
https://github.com/nlohmann/json.git
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Niels Lohmann
a00c951d52
- Suppress clang-tidy misc-header-include-cycle on the intentional mutual include of json.hpp and json_literals.hpp. - Use operator"" _json with a space for GCC 4.8 in the test's detection aliases, as the header does. - Only test the global literal operators when JSON_USE_GLOBAL_UDLS is on. Signed-off-by: Niels Lohmann <mail@nlohmann.me>
85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
// __ _____ _____ _____
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// __| | __| | | | JSON for Modern C++
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// | | |__ | | | | | | version 3.12.0
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// |_____|_____|_____|_|___| https://github.com/nlohmann/json
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//
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// SPDX-FileCopyrightText: 2013-2026 Niels Lohmann <https://nlohmann.me>
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// SPDX-License-Identifier: MIT
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#ifndef INCLUDE_NLOHMANN_JSON_LITERALS_HPP_
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#define INCLUDE_NLOHMANN_JSON_LITERALS_HPP_
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#include <cstddef> // size_t
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#include <string> // string
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// NOLINTNEXTLINE(misc-header-include-cycle): json.hpp includes this header at its end
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#include <nlohmann/json.hpp>
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// This header is included at the end of <nlohmann/json.hpp> unless
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// JSON_NO_AUTOMATIC_UDLS is defined, and can be included on its own after that.
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// Either way, the library's internal macros are no longer defined here (and the
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// amalgamation inlines macro_scope.hpp only once), so only standard and public
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// macros may be used below.
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NLOHMANN_JSON_NAMESPACE_BEGIN
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inline namespace literals
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{
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inline namespace json_literals
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{
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/// @brief user-defined string literal for JSON values
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/// @sa https://json.nlohmann.me/api/operator_literal_json/
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#if !defined(__GNUC__) || defined(__clang__) || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
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inline nlohmann::json operator""_json(const char* s, std::size_t n)
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#else
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// GCC 4.8 requires a space between "" and suffix
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inline nlohmann::json operator"" _json(const char* s, std::size_t n)
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#endif
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{
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return nlohmann::json::parse(s, s + n);
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}
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#if defined(__cpp_char8_t)
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inline nlohmann::json operator""_json(const char8_t* s, std::size_t n)
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{
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return nlohmann::json::parse(reinterpret_cast<const char*>(s),
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reinterpret_cast<const char*>(s) + n);
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}
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#endif
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/// @brief user-defined string literal for JSON pointer
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/// @sa https://json.nlohmann.me/api/operator_literal_json_pointer/
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#if !defined(__GNUC__) || defined(__clang__) || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
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inline nlohmann::json::json_pointer operator""_json_pointer(const char* s, std::size_t n)
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#else
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// GCC 4.8 requires a space between "" and suffix
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inline nlohmann::json::json_pointer operator"" _json_pointer(const char* s, std::size_t n)
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#endif
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{
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return nlohmann::json::json_pointer(std::string(s, n));
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}
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#if defined(__cpp_char8_t)
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inline nlohmann::json::json_pointer operator""_json_pointer(const char8_t* s, std::size_t n)
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{
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return nlohmann::json::json_pointer(std::string(reinterpret_cast<const char*>(s), n));
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}
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#endif
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} // namespace json_literals
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} // namespace literals
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NLOHMANN_JSON_NAMESPACE_END
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#if !defined(JSON_USE_GLOBAL_UDLS) || JSON_USE_GLOBAL_UDLS
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#if !defined(__GNUC__) || defined(__clang__) || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)
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using nlohmann::literals::json_literals::operator""_json; // NOLINT(misc-unused-using-decls,google-global-names-in-headers)
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using nlohmann::literals::json_literals::operator""_json_pointer; //NOLINT(misc-unused-using-decls,google-global-names-in-headers)
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#else
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// GCC 4.8 requires a space between "" and suffix
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using nlohmann::literals::json_literals::operator"" _json; // NOLINT(misc-unused-using-decls,google-global-names-in-headers)
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using nlohmann::literals::json_literals::operator"" _json_pointer; //NOLINT(misc-unused-using-decls,google-global-names-in-headers)
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#endif
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#endif
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#endif // INCLUDE_NLOHMANN_JSON_LITERALS_HPP_
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