mirror of
https://github.com/nlohmann/json
synced 2024-11-23 04:20:06 +00:00
160 lines
6.8 KiB
C++
160 lines
6.8 KiB
C++
// __ _____ _____ _____
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// __| | __| | | | JSON for Modern C++
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// | | |__ | | | | | | version 3.11.2
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// |_____|_____|_____|_|___| https://github.com/nlohmann/json
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//
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// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me>
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <cstdint> // size_t
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#include <utility> // declval
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#include <string> // string
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#include <nlohmann/detail/abi_macros.hpp>
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#include <nlohmann/detail/meta/detected.hpp>
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#include <nlohmann/detail/meta/type_traits.hpp>
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NLOHMANN_JSON_NAMESPACE_BEGIN
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namespace detail
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{
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template<typename T>
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using null_function_t = decltype(std::declval<T&>().null());
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template<typename T>
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using boolean_function_t =
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decltype(std::declval<T&>().boolean(std::declval<bool>()));
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template<typename T, typename Integer>
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using number_integer_function_t =
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decltype(std::declval<T&>().number_integer(std::declval<Integer>()));
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template<typename T, typename Unsigned>
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using number_unsigned_function_t =
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decltype(std::declval<T&>().number_unsigned(std::declval<Unsigned>()));
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template<typename T, typename Float, typename String>
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using number_float_function_t = decltype(std::declval<T&>().number_float(
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std::declval<Float>(), std::declval<const String&>()));
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template<typename T, typename String>
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using string_function_t =
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decltype(std::declval<T&>().string(std::declval<String&>()));
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template<typename T, typename Binary>
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using binary_function_t =
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decltype(std::declval<T&>().binary(std::declval<Binary&>()));
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template<typename T>
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using start_object_function_t =
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decltype(std::declval<T&>().start_object(std::declval<std::size_t>()));
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template<typename T, typename String>
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using key_function_t =
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decltype(std::declval<T&>().key(std::declval<String&>()));
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template<typename T>
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using end_object_function_t = decltype(std::declval<T&>().end_object());
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template<typename T>
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using start_array_function_t =
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decltype(std::declval<T&>().start_array(std::declval<std::size_t>()));
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template<typename T>
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using end_array_function_t = decltype(std::declval<T&>().end_array());
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template<typename T, typename Exception>
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using parse_error_function_t = decltype(std::declval<T&>().parse_error(
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std::declval<std::size_t>(), std::declval<const std::string&>(),
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std::declval<const Exception&>()));
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template<typename SAX, typename BasicJsonType>
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struct is_sax
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{
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private:
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static_assert(is_basic_json<BasicJsonType>::value,
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"BasicJsonType must be of type basic_json<...>");
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using number_integer_t = typename BasicJsonType::number_integer_t;
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using number_unsigned_t = typename BasicJsonType::number_unsigned_t;
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using number_float_t = typename BasicJsonType::number_float_t;
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using string_t = typename BasicJsonType::string_t;
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using binary_t = typename BasicJsonType::binary_t;
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using exception_t = typename BasicJsonType::exception;
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public:
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static constexpr bool value =
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is_detected_exact<bool, null_function_t, SAX>::value &&
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is_detected_exact<bool, boolean_function_t, SAX>::value &&
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is_detected_exact<bool, number_integer_function_t, SAX, number_integer_t>::value &&
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is_detected_exact<bool, number_unsigned_function_t, SAX, number_unsigned_t>::value &&
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is_detected_exact<bool, number_float_function_t, SAX, number_float_t, string_t>::value &&
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is_detected_exact<bool, string_function_t, SAX, string_t>::value &&
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is_detected_exact<bool, binary_function_t, SAX, binary_t>::value &&
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is_detected_exact<bool, start_object_function_t, SAX>::value &&
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is_detected_exact<bool, key_function_t, SAX, string_t>::value &&
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is_detected_exact<bool, end_object_function_t, SAX>::value &&
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is_detected_exact<bool, start_array_function_t, SAX>::value &&
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is_detected_exact<bool, end_array_function_t, SAX>::value &&
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is_detected_exact<bool, parse_error_function_t, SAX, exception_t>::value;
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};
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template<typename SAX, typename BasicJsonType>
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struct is_sax_static_asserts
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{
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private:
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static_assert(is_basic_json<BasicJsonType>::value,
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"BasicJsonType must be of type basic_json<...>");
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using number_integer_t = typename BasicJsonType::number_integer_t;
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using number_unsigned_t = typename BasicJsonType::number_unsigned_t;
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using number_float_t = typename BasicJsonType::number_float_t;
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using string_t = typename BasicJsonType::string_t;
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using binary_t = typename BasicJsonType::binary_t;
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using exception_t = typename BasicJsonType::exception;
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public:
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static_assert(is_detected_exact<bool, null_function_t, SAX>::value,
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"Missing/invalid function: bool null()");
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static_assert(is_detected_exact<bool, boolean_function_t, SAX>::value,
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"Missing/invalid function: bool boolean(bool)");
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static_assert(is_detected_exact<bool, boolean_function_t, SAX>::value,
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"Missing/invalid function: bool boolean(bool)");
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static_assert(
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is_detected_exact<bool, number_integer_function_t, SAX,
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number_integer_t>::value,
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"Missing/invalid function: bool number_integer(number_integer_t)");
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static_assert(
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is_detected_exact<bool, number_unsigned_function_t, SAX,
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number_unsigned_t>::value,
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"Missing/invalid function: bool number_unsigned(number_unsigned_t)");
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static_assert(is_detected_exact<bool, number_float_function_t, SAX,
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number_float_t, string_t>::value,
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"Missing/invalid function: bool number_float(number_float_t, const string_t&)");
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static_assert(
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is_detected_exact<bool, string_function_t, SAX, string_t>::value,
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"Missing/invalid function: bool string(string_t&)");
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static_assert(
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is_detected_exact<bool, binary_function_t, SAX, binary_t>::value,
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"Missing/invalid function: bool binary(binary_t&)");
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static_assert(is_detected_exact<bool, start_object_function_t, SAX>::value,
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"Missing/invalid function: bool start_object(std::size_t)");
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static_assert(is_detected_exact<bool, key_function_t, SAX, string_t>::value,
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"Missing/invalid function: bool key(string_t&)");
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static_assert(is_detected_exact<bool, end_object_function_t, SAX>::value,
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"Missing/invalid function: bool end_object()");
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static_assert(is_detected_exact<bool, start_array_function_t, SAX>::value,
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"Missing/invalid function: bool start_array(std::size_t)");
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static_assert(is_detected_exact<bool, end_array_function_t, SAX>::value,
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"Missing/invalid function: bool end_array()");
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static_assert(
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is_detected_exact<bool, parse_error_function_t, SAX, exception_t>::value,
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"Missing/invalid function: bool parse_error(std::size_t, const "
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"std::string&, const exception&)");
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};
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} // namespace detail
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NLOHMANN_JSON_NAMESPACE_END
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