diff --git a/src/datadog/json.hpp b/src/datadog/json.hpp index 4d1a37ad..82d69f7c 100644 --- a/src/datadog/json.hpp +++ b/src/datadog/json.hpp @@ -1,9 +1,9 @@ // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT /****************************************************************************\ @@ -27,7 +27,6 @@ #endif // JSON_NO_IO #include // random_access_iterator_tag #include // unique_ptr -#include // accumulate #include // string, stoi, to_string #include // declval, forward, move, pair, swap #include // vector @@ -35,10 +34,10 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -48,10 +47,10 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -60,20 +59,24 @@ #ifndef JSON_SKIP_LIBRARY_VERSION_CHECK #if defined(NLOHMANN_JSON_VERSION_MAJOR) && defined(NLOHMANN_JSON_VERSION_MINOR) && defined(NLOHMANN_JSON_VERSION_PATCH) - #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 11 || NLOHMANN_JSON_VERSION_PATCH != 2 + #if NLOHMANN_JSON_VERSION_MAJOR != 3 || NLOHMANN_JSON_VERSION_MINOR != 12 || NLOHMANN_JSON_VERSION_PATCH != 0 #warning "Already included a different version of the library!" #endif #endif #endif #define NLOHMANN_JSON_VERSION_MAJOR 3 // NOLINT(modernize-macro-to-enum) -#define NLOHMANN_JSON_VERSION_MINOR 11 // NOLINT(modernize-macro-to-enum) -#define NLOHMANN_JSON_VERSION_PATCH 2 // NOLINT(modernize-macro-to-enum) +#define NLOHMANN_JSON_VERSION_MINOR 12 // NOLINT(modernize-macro-to-enum) +#define NLOHMANN_JSON_VERSION_PATCH 0 // NOLINT(modernize-macro-to-enum) #ifndef JSON_DIAGNOSTICS #define JSON_DIAGNOSTICS 0 #endif +#ifndef JSON_DIAGNOSTIC_POSITIONS + #define JSON_DIAGNOSTIC_POSITIONS 0 +#endif + #ifndef JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON #define JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON 0 #endif @@ -84,6 +87,12 @@ #define NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS #endif +#if JSON_DIAGNOSTIC_POSITIONS + #define NLOHMANN_JSON_ABI_TAG_DIAGNOSTIC_POSITIONS _dp +#else + #define NLOHMANN_JSON_ABI_TAG_DIAGNOSTIC_POSITIONS +#endif + #if JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON #define NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON _ldvcmp #else @@ -95,14 +104,15 @@ #endif // Construct the namespace ABI tags component -#define NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b) json_abi ## a ## b -#define NLOHMANN_JSON_ABI_TAGS_CONCAT(a, b) \ - NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b) +#define NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b, c) json_abi ## a ## b ## c +#define NLOHMANN_JSON_ABI_TAGS_CONCAT(a, b, c) \ + NLOHMANN_JSON_ABI_TAGS_CONCAT_EX(a, b, c) #define NLOHMANN_JSON_ABI_TAGS \ NLOHMANN_JSON_ABI_TAGS_CONCAT( \ NLOHMANN_JSON_ABI_TAG_DIAGNOSTICS, \ - NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON) + NLOHMANN_JSON_ABI_TAG_LEGACY_DISCARDED_VALUE_COMPARISON, \ + NLOHMANN_JSON_ABI_TAG_DIAGNOSTIC_POSITIONS) // Construct the namespace version component #define NLOHMANN_JSON_NAMESPACE_VERSION_CONCAT_EX(major, minor, patch) \ @@ -150,10 +160,10 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -163,6 +173,9 @@ #include // forward_list #include // inserter, front_inserter, end #include // map +#ifdef JSON_HAS_CPP_17 + #include // optional +#endif #include // string #include // tuple, make_tuple #include // is_arithmetic, is_same, is_enum, underlying_type, is_convertible @@ -173,16 +186,19 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT #include // nullptr_t #include // exception +#if JSON_DIAGNOSTICS + #include // accumulate +#endif #include // runtime_error #include // to_string #include // vector @@ -190,10 +206,10 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -206,10 +222,10 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -218,10 +234,10 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -231,10 +247,10 @@ // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -318,11 +334,11 @@ NLOHMANN_JSON_NAMESPACE_END // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann -// SPDX-FileCopyrightText: 2016-2021 Evan Nemerson +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann +// SPDX-FileCopyrightText: 2016 - 2021 Evan Nemerson // SPDX-License-Identifier: MIT /* Hedley - https://nemequ.github.io/hedley @@ -2382,15 +2398,20 @@ JSON_HEDLEY_DIAGNOSTIC_POP // C++ language standard detection // if the user manually specified the used c++ version this is skipped -#if !defined(JSON_HAS_CPP_20) && !defined(JSON_HAS_CPP_17) && !defined(JSON_HAS_CPP_14) && !defined(JSON_HAS_CPP_11) - #if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) +#if !defined(JSON_HAS_CPP_23) && !defined(JSON_HAS_CPP_20) && !defined(JSON_HAS_CPP_17) && !defined(JSON_HAS_CPP_14) && !defined(JSON_HAS_CPP_11) + #if (defined(__cplusplus) && __cplusplus > 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG > 202002L) + #define JSON_HAS_CPP_23 + #define JSON_HAS_CPP_20 + #define JSON_HAS_CPP_17 + #define JSON_HAS_CPP_14 + #elif (defined(__cplusplus) && __cplusplus > 201703L) || (defined(_MSVC_LANG) && _MSVC_LANG > 201703L) #define JSON_HAS_CPP_20 #define JSON_HAS_CPP_17 #define JSON_HAS_CPP_14 - #elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 + #elif (defined(__cplusplus) && __cplusplus > 201402L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 #define JSON_HAS_CPP_17 #define JSON_HAS_CPP_14 - #elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) + #elif (defined(__cplusplus) && __cplusplus > 201103L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) #define JSON_HAS_CPP_14 #endif // the cpp 11 flag is always specified because it is the minimal required version @@ -2483,6 +2504,14 @@ JSON_HEDLEY_DIAGNOSTIC_POP #endif #endif +#ifndef JSON_HAS_STATIC_RTTI + #if !defined(_HAS_STATIC_RTTI) || _HAS_STATIC_RTTI != 0 + #define JSON_HAS_STATIC_RTTI 1 + #else + #define JSON_HAS_STATIC_RTTI 0 + #endif +#endif + #ifdef JSON_HAS_CPP_17 #define JSON_INLINE_VARIABLE inline #else @@ -2558,7 +2587,9 @@ JSON_HEDLEY_DIAGNOSTIC_POP template \ inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \ { \ + /* NOLINTNEXTLINE(modernize-type-traits) we use C++11 */ \ static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ + /* NOLINTNEXTLINE(modernize-avoid-c-arrays) we don't want to depend on */ \ static const std::pair m[] = __VA_ARGS__; \ auto it = std::find_if(std::begin(m), std::end(m), \ [e](const std::pair& ej_pair) -> bool \ @@ -2570,7 +2601,9 @@ JSON_HEDLEY_DIAGNOSTIC_POP template \ inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \ { \ + /* NOLINTNEXTLINE(modernize-type-traits) we use C++11 */ \ static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ + /* NOLINTNEXTLINE(modernize-avoid-c-arrays) we don't want to depend on */ \ static const std::pair m[] = __VA_ARGS__; \ auto it = std::find_if(std::begin(m), std::end(m), \ [&j](const std::pair& ej_pair) -> bool \ @@ -2590,12 +2623,13 @@ JSON_HEDLEY_DIAGNOSTIC_POP class NumberUnsignedType, class NumberFloatType, \ template class AllocatorType, \ template class JSONSerializer, \ - class BinaryType> + class BinaryType, \ + class CustomBaseClass> #define NLOHMANN_BASIC_JSON_TPL \ basic_json + AllocatorType, JSONSerializer, BinaryType, CustomBaseClass> // Macros to simplify conversion from/to types @@ -2732,37 +2766,146 @@ JSON_HEDLEY_DIAGNOSTIC_POP #define NLOHMANN_JSON_TO(v1) nlohmann_json_j[#v1] = nlohmann_json_t.v1; #define NLOHMANN_JSON_FROM(v1) nlohmann_json_j.at(#v1).get_to(nlohmann_json_t.v1); -#define NLOHMANN_JSON_FROM_WITH_DEFAULT(v1) nlohmann_json_t.v1 = nlohmann_json_j.value(#v1, nlohmann_json_default_obj.v1); +#define NLOHMANN_JSON_FROM_WITH_DEFAULT(v1) nlohmann_json_t.v1 = !nlohmann_json_j.is_null() ? nlohmann_json_j.value(#v1, nlohmann_json_default_obj.v1) : nlohmann_json_default_obj.v1; /*! @brief macro @def NLOHMANN_DEFINE_TYPE_INTRUSIVE @since version 3.9.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_type_intrusive/ */ #define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \ - friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + template::value, int> = 0> \ + friend void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + friend void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT +@since version 3.11.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_type_intrusive/ +*/ #define NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(Type, ...) \ - friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { Type nlohmann_json_default_obj; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } + template::value, int> = 0> \ + friend void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + friend void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { const Type nlohmann_json_default_obj{}; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_INTRUSIVE_ONLY_SERIALIZE +@since version 3.11.3 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_type_intrusive/ +*/ +#define NLOHMANN_DEFINE_TYPE_INTRUSIVE_ONLY_SERIALIZE(Type, ...) \ + template::value, int> = 0> \ + friend void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } /*! @brief macro @def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE @since version 3.9.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_type_non_intrusive/ */ #define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \ - inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + template::value, int> = 0> \ + void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT +@since version 3.11.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_type_non_intrusive/ +*/ #define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(Type, ...) \ - inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { Type nlohmann_json_default_obj; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } + template::value, int> = 0> \ + void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { const Type nlohmann_json_default_obj{}; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE +@since version 3.11.3 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_type_non_intrusive/ +*/ +#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE(Type, ...) \ + template::value, int> = 0> \ + void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE +@since version 3.12.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_derived_type/ +*/ +#define NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE(Type, BaseType, ...) \ + template::value, int> = 0> \ + friend void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { nlohmann::to_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + friend void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { nlohmann::from_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_WITH_DEFAULT +@since version 3.12.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_derived_type/ +*/ +#define NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_WITH_DEFAULT(Type, BaseType, ...) \ + template::value, int> = 0> \ + friend void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { nlohmann::to_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + friend void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { nlohmann::from_json(nlohmann_json_j, static_cast(nlohmann_json_t)); const Type nlohmann_json_default_obj{}; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_ONLY_SERIALIZE +@since version 3.12.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_derived_type/ +*/ +#define NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_ONLY_SERIALIZE(Type, BaseType, ...) \ + template::value, int> = 0> \ + friend void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { nlohmann::to_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE +@since version 3.12.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_derived_type/ +*/ +#define NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE(Type, BaseType, ...) \ + template::value, int> = 0> \ + void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { nlohmann::to_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { nlohmann::from_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } + +/*! +@brief macro +@def NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_WITH_DEFAULT +@since version 3.12.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_derived_type/ +*/ +#define NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_WITH_DEFAULT(Type, BaseType, ...) \ + template::value, int> = 0> \ + void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { nlohmann::to_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ + template::value, int> = 0> \ + void from_json(const BasicJsonType& nlohmann_json_j, Type& nlohmann_json_t) { nlohmann::from_json(nlohmann_json_j, static_cast(nlohmann_json_t)); const Type nlohmann_json_default_obj{}; NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM_WITH_DEFAULT, __VA_ARGS__)) } +/*! +@brief macro +@def NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE +@since version 3.12.0 +@sa https://json.nlohmann.me/api/macros/nlohmann_define_derived_type/ +*/ +#define NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_ONLY_SERIALIZE(Type, BaseType, ...) \ + template::value, int> = 0> \ + void to_json(BasicJsonType& nlohmann_json_j, const Type& nlohmann_json_t) { nlohmann::to_json(nlohmann_json_j, static_cast(nlohmann_json_t)); NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } // inspired from https://stackoverflow.com/a/26745591 -// allows to call any std function as if (e.g. with begin): +// allows calling any std function as if (e.g., with begin): // using std::begin; begin(x); // // it allows using the detected idiom to retrieve the return type @@ -2923,10 +3066,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -2998,10 +3141,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -3040,10 +3183,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-FileCopyrightText: 2018 The Abseil Authors // SPDX-License-Identifier: MIT @@ -3203,7 +3346,7 @@ struct static_const #endif template -inline constexpr std::array make_array(Args&& ... args) +constexpr std::array make_array(Args&& ... args) { return std::array {{static_cast(std::forward(args))...}}; } @@ -3214,26 +3357,27 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT #include // numeric_limits +#include // char_traits +#include // tuple #include // false_type, is_constructible, is_integral, is_same, true_type #include // declval -#include // tuple // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -3276,7 +3420,7 @@ struct iterator_traits template struct iterator_traits < T, enable_if_t < !std::is_pointer::value >> - : iterator_types + : iterator_types { }; @@ -3298,10 +3442,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -3318,10 +3462,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -3342,10 +3486,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT #ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ @@ -3389,7 +3533,8 @@ NLOHMANN_JSON_NAMESPACE_END template class AllocatorType = std::allocator, template class JSONSerializer = adl_serializer, - class BinaryType = std::vector> + class BinaryType = std::vector, // cppcheck-suppress syntaxError + class CustomBaseClass = void> class basic_json; /// @brief JSON Pointer defines a string syntax for identifying a specific value within a JSON document @@ -3577,6 +3722,63 @@ struct actual_object_comparator template using actual_object_comparator_t = typename actual_object_comparator::type; +///////////////// +// char_traits // +///////////////// + +// Primary template of char_traits calls std char_traits +template +struct char_traits : std::char_traits +{}; + +// Explicitly define char traits for unsigned char since it is not standard +template<> +struct char_traits : std::char_traits +{ + using char_type = unsigned char; + using int_type = uint64_t; + + // Redefine to_int_type function + static int_type to_int_type(char_type c) noexcept + { + return static_cast(c); + } + + static char_type to_char_type(int_type i) noexcept + { + return static_cast(i); + } + + static constexpr int_type eof() noexcept + { + return static_cast(std::char_traits::eof()); + } +}; + +// Explicitly define char traits for signed char since it is not standard +template<> +struct char_traits : std::char_traits +{ + using char_type = signed char; + using int_type = uint64_t; + + // Redefine to_int_type function + static int_type to_int_type(char_type c) noexcept + { + return static_cast(c); + } + + static char_type to_char_type(int_type i) noexcept + { + return static_cast(i); + } + + static constexpr int_type eof() noexcept + { + return static_cast(std::char_traits::eof()); + } +}; + /////////////////// // is_ functions // /////////////////// @@ -3599,20 +3801,19 @@ struct is_default_constructible : std::is_default_constructible {}; template struct is_default_constructible> - : conjunction, is_default_constructible> {}; + : conjunction, is_default_constructible> {}; template struct is_default_constructible> - : conjunction, is_default_constructible> {}; + : conjunction, is_default_constructible> {}; template struct is_default_constructible> - : conjunction...> {}; + : conjunction...> {}; template struct is_default_constructible> - : conjunction...> {}; - + : conjunction...> {}; template struct is_constructible : std::is_constructible {}; @@ -3629,7 +3830,6 @@ struct is_constructible> : is_default_constructible struct is_constructible> : is_default_constructible> {}; - template struct is_iterator_traits : std::false_type {}; @@ -3811,8 +4011,8 @@ is_detected::value&& // special case for types like std::filesystem::path whose iterator's value_type are themselves // c.f. https://github.com/nlohmann/json/pull/3073 !std::is_same>::value&& - is_complete_type < - detected_t>::value >> +is_complete_type < +detected_t>::value >> { using value_type = range_value_t; @@ -3935,12 +4135,12 @@ using is_usable_as_key_type = typename std::conditional < template> using is_usable_as_basic_json_key_type = typename std::conditional < - is_usable_as_key_type::value - && !is_json_iterator_of::value, - std::true_type, - std::false_type >::type; + is_usable_as_key_type::value + && !is_json_iterator_of::value, + std::true_type, + std::false_type >::type; template using detect_erase_with_key_type = decltype(std::declval().erase(std::declval())); @@ -4039,7 +4239,6 @@ struct value_in_range_of_impl2 } }; - template struct value_in_range_of_impl2 { @@ -4075,7 +4274,7 @@ struct value_in_range_of_impl1 }; template -inline constexpr bool value_in_range_of(T val) +constexpr bool value_in_range_of(T val) { return value_in_range_of_impl1::test(val); } @@ -4091,7 +4290,7 @@ namespace impl { template -inline constexpr bool is_c_string() +constexpr bool is_c_string() { using TUnExt = typename std::remove_extent::type; using TUnCVExt = typename std::remove_cv::type; @@ -4119,7 +4318,7 @@ namespace impl { template -inline constexpr bool is_transparent() +constexpr bool is_transparent() { return is_detected::value; } @@ -4138,10 +4337,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -4165,28 +4364,28 @@ inline std::size_t concat_length() } template -inline std::size_t concat_length(const char* cstr, Args&& ... rest); +inline std::size_t concat_length(const char* cstr, const Args& ... rest); template -inline std::size_t concat_length(const StringType& str, Args&& ... rest); +inline std::size_t concat_length(const StringType& str, const Args& ... rest); template -inline std::size_t concat_length(const char /*c*/, Args&& ... rest) +inline std::size_t concat_length(const char /*c*/, const Args& ... rest) { - return 1 + concat_length(std::forward(rest)...); + return 1 + concat_length(rest...); } template -inline std::size_t concat_length(const char* cstr, Args&& ... rest) +inline std::size_t concat_length(const char* cstr, const Args& ... rest) { // cppcheck-suppress ignoredReturnValue - return ::strlen(cstr) + concat_length(std::forward(rest)...); + return ::strlen(cstr) + concat_length(rest...); } template -inline std::size_t concat_length(const StringType& str, Args&& ... rest) +inline std::size_t concat_length(const StringType& str, const Args& ... rest) { - return str.size() + concat_length(std::forward(rest)...); + return str.size() + concat_length(rest...); } template @@ -4277,7 +4476,7 @@ template inline OutStringType concat(Args && ... args) { OutStringType str; - str.reserve(concat_length(std::forward(args)...)); + str.reserve(concat_length(args...)); concat_into(str, std::forward(args)...); return str; } @@ -4286,6 +4485,17 @@ inline OutStringType concat(Args && ... args) NLOHMANN_JSON_NAMESPACE_END +// With -Wweak-vtables, Clang will complain about the exception classes as they +// have no out-of-line virtual method definitions and their vtable will be +// emitted in every translation unit. This issue cannot be fixed with a +// header-only library as there is no implementation file to move these +// functions to. As a result, we suppress this warning here to avoid client +// code to stumble over this. See https://github.com/nlohmann/json/issues/4087 +// for a discussion. +#if defined(__clang__) + #pragma clang diagnostic push + #pragma clang diagnostic ignored "-Wweak-vtables" +#endif NLOHMANN_JSON_NAMESPACE_BEGIN namespace detail @@ -4334,9 +4544,9 @@ class exception : public std::exception { case value_t::array: { - for (std::size_t i = 0; i < current->m_parent->m_value.array->size(); ++i) + for (std::size_t i = 0; i < current->m_parent->m_data.m_value.array->size(); ++i) { - if (¤t->m_parent->m_value.array->operator[](i) == current) + if (¤t->m_parent->m_data.m_value.array->operator[](i) == current) { tokens.emplace_back(std::to_string(i)); break; @@ -4347,7 +4557,7 @@ class exception : public std::exception case value_t::object: { - for (const auto& element : *current->m_parent->m_value.object) + for (const auto& element : *current->m_parent->m_data.m_value.object) { if (&element.second == current) { @@ -4381,16 +4591,34 @@ class exception : public std::exception { return concat(a, '/', detail::escape(b)); }); - return concat('(', str, ") "); + + return concat('(', str, ") ", get_byte_positions(leaf_element)); #else - static_cast(leaf_element); - return ""; + return get_byte_positions(leaf_element); #endif } private: /// an exception object as storage for error messages std::runtime_error m; +#if JSON_DIAGNOSTIC_POSITIONS + template + static std::string get_byte_positions(const BasicJsonType* leaf_element) + { + if ((leaf_element->start_pos() != std::string::npos) && (leaf_element->end_pos() != std::string::npos)) + { + return concat("(bytes ", std::to_string(leaf_element->start_pos()), "-", std::to_string(leaf_element->end_pos()), ") "); + } + return ""; + } +#else + template + static std::string get_byte_positions(const BasicJsonType* leaf_element) + { + static_cast(leaf_element); + return ""; + } +#endif }; /// @brief exception indicating a parse error @@ -4410,17 +4638,17 @@ class parse_error : public exception template::value, int> = 0> static parse_error create(int id_, const position_t& pos, const std::string& what_arg, BasicJsonContext context) { - std::string w = concat(exception::name("parse_error", id_), "parse error", - position_string(pos), ": ", exception::diagnostics(context), what_arg); + const std::string w = concat(exception::name("parse_error", id_), "parse error", + position_string(pos), ": ", exception::diagnostics(context), what_arg); return {id_, pos.chars_read_total, w.c_str()}; } template::value, int> = 0> static parse_error create(int id_, std::size_t byte_, const std::string& what_arg, BasicJsonContext context) { - std::string w = concat(exception::name("parse_error", id_), "parse error", - (byte_ != 0 ? (concat(" at byte ", std::to_string(byte_))) : ""), - ": ", exception::diagnostics(context), what_arg); + const std::string w = concat(exception::name("parse_error", id_), "parse error", + (byte_ != 0 ? (concat(" at byte ", std::to_string(byte_))) : ""), + ": ", exception::diagnostics(context), what_arg); return {id_, byte_, w.c_str()}; } @@ -4454,7 +4682,7 @@ class invalid_iterator : public exception template::value, int> = 0> static invalid_iterator create(int id_, const std::string& what_arg, BasicJsonContext context) { - std::string w = concat(exception::name("invalid_iterator", id_), exception::diagnostics(context), what_arg); + const std::string w = concat(exception::name("invalid_iterator", id_), exception::diagnostics(context), what_arg); return {id_, w.c_str()}; } @@ -4472,7 +4700,7 @@ class type_error : public exception template::value, int> = 0> static type_error create(int id_, const std::string& what_arg, BasicJsonContext context) { - std::string w = concat(exception::name("type_error", id_), exception::diagnostics(context), what_arg); + const std::string w = concat(exception::name("type_error", id_), exception::diagnostics(context), what_arg); return {id_, w.c_str()}; } @@ -4489,7 +4717,7 @@ class out_of_range : public exception template::value, int> = 0> static out_of_range create(int id_, const std::string& what_arg, BasicJsonContext context) { - std::string w = concat(exception::name("out_of_range", id_), exception::diagnostics(context), what_arg); + const std::string w = concat(exception::name("out_of_range", id_), exception::diagnostics(context), what_arg); return {id_, w.c_str()}; } @@ -4506,7 +4734,7 @@ class other_error : public exception template::value, int> = 0> static other_error create(int id_, const std::string& what_arg, BasicJsonContext context) { - std::string w = concat(exception::name("other_error", id_), exception::diagnostics(context), what_arg); + const std::string w = concat(exception::name("other_error", id_), exception::diagnostics(context), what_arg); return {id_, w.c_str()}; } @@ -4518,6 +4746,10 @@ class other_error : public exception } // namespace detail NLOHMANN_JSON_NAMESPACE_END +#if defined(__clang__) + #pragma clang diagnostic pop +#endif + // #include // #include @@ -4525,10 +4757,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -4549,10 +4781,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -4569,7 +4801,7 @@ namespace std_fs = std::experimental::filesystem; } // namespace detail NLOHMANN_JSON_NAMESPACE_END #elif JSON_HAS_FILESYSTEM -#include +#include // NOLINT(build/c++17) NLOHMANN_JSON_NAMESPACE_BEGIN namespace detail { @@ -4599,6 +4831,24 @@ inline void from_json(const BasicJsonType& j, typename std::nullptr_t& n) n = nullptr; } +#ifdef JSON_HAS_CPP_17 +#ifndef JSON_USE_IMPLICIT_CONVERSIONS +template +void from_json(const BasicJsonType& j, std::optional& opt) +{ + if (j.is_null()) + { + opt = std::nullopt; + } + else + { + opt.emplace(j.template get()); + } +} + +#endif // JSON_USE_IMPLICIT_CONVERSIONS +#endif // JSON_HAS_CPP_17 + // overloads for basic_json template parameters template < typename BasicJsonType, typename ArithmeticType, enable_if_t < std::is_arithmetic::value&& @@ -4746,6 +4996,54 @@ auto from_json(const BasicJsonType& j, T (&arr)[N]) // NOLINT(cppcoreguidelines } } +template +auto from_json(const BasicJsonType& j, T (&arr)[N1][N2]) // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) +-> decltype(j.template get(), void()) +{ + for (std::size_t i1 = 0; i1 < N1; ++i1) + { + for (std::size_t i2 = 0; i2 < N2; ++i2) + { + arr[i1][i2] = j.at(i1).at(i2).template get(); + } + } +} + +template +auto from_json(const BasicJsonType& j, T (&arr)[N1][N2][N3]) // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) +-> decltype(j.template get(), void()) +{ + for (std::size_t i1 = 0; i1 < N1; ++i1) + { + for (std::size_t i2 = 0; i2 < N2; ++i2) + { + for (std::size_t i3 = 0; i3 < N3; ++i3) + { + arr[i1][i2][i3] = j.at(i1).at(i2).at(i3).template get(); + } + } + } +} + +template +auto from_json(const BasicJsonType& j, T (&arr)[N1][N2][N3][N4]) // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays) +-> decltype(j.template get(), void()) +{ + for (std::size_t i1 = 0; i1 < N1; ++i1) + { + for (std::size_t i2 = 0; i2 < N2; ++i2) + { + for (std::size_t i3 = 0; i3 < N3; ++i3) + { + for (std::size_t i4 = 0; i4 < N4; ++i4) + { + arr[i1][i2][i3][i4] = j.at(i1).at(i2).at(i3).at(i4).template get(); + } + } + } + } +} + template inline void from_json_array_impl(const BasicJsonType& j, typename BasicJsonType::array_t& arr, priority_tag<3> /*unused*/) { @@ -4831,7 +5129,7 @@ void()) template < typename BasicJsonType, typename T, std::size_t... Idx > std::array from_json_inplace_array_impl(BasicJsonType&& j, - identity_tag> /*unused*/, index_sequence /*unused*/) + identity_tag> /*unused*/, index_sequence /*unused*/) { return { { std::forward(j).at(Idx).template get()... } }; } @@ -4935,6 +5233,12 @@ std::tuple from_json_tuple_impl_base(BasicJsonType&& j, index_sequence< return std::make_tuple(std::forward(j).at(Idx).template get()...); } +template +std::tuple<> from_json_tuple_impl_base(BasicJsonType& /*unused*/, index_sequence<> /*unused*/) +{ + return {}; +} + template < typename BasicJsonType, class A1, class A2 > std::pair from_json_tuple_impl(BasicJsonType&& j, identity_tag> /*unused*/, priority_tag<0> /*unused*/) { @@ -5020,7 +5324,12 @@ inline void from_json(const BasicJsonType& j, std_fs::path& p) { JSON_THROW(type_error::create(302, concat("type must be string, but is ", j.type_name()), &j)); } - p = *j.template get_ptr(); + const auto& s = *j.template get_ptr(); +#ifdef JSON_HAS_CPP_20 + p = std_fs::path(std::u8string_view(reinterpret_cast(s.data()), s.size())); +#else + p = std_fs::u8path(s); // accepts UTF-8 encoded std::string in C++17, deprecated in C++20 +#endif } #endif @@ -5055,14 +5364,20 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT +// #include +// JSON_HAS_CPP_17 +#ifdef JSON_HAS_CPP_17 + #include // optional +#endif + #include // copy #include // begin, end #include // string @@ -5075,17 +5390,16 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT #include // size_t -#include // input_iterator_tag -#include // string, to_string +#include // forward_iterator_tag #include // tuple_size, get, tuple_element #include // move @@ -5097,20 +5411,53 @@ NLOHMANN_JSON_NAMESPACE_END // #include -// #include +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.12.0 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // size_t +#include // string, to_string + +// #include NLOHMANN_JSON_NAMESPACE_BEGIN namespace detail { -template -void int_to_string( string_type& target, std::size_t value ) +template +void int_to_string(StringType& target, std::size_t value) { // For ADL using std::to_string; target = to_string(value); } + +template +StringType to_string(std::size_t value) +{ + StringType result; + int_to_string(result, value); + return result; +} + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + template class iteration_proxy_value { public: @@ -5118,7 +5465,7 @@ template class iteration_proxy_value using value_type = iteration_proxy_value; using pointer = value_type *; using reference = value_type &; - using iterator_category = std::input_iterator_tag; + using iterator_category = std::forward_iterator_tag; using string_type = typename std::remove_cv< typename std::remove_reference().key() ) >::type >::type; private: @@ -5147,10 +5494,10 @@ template class iteration_proxy_value // older GCCs are a bit fussy and require explicit noexcept specifiers on defaulted functions iteration_proxy_value(iteration_proxy_value&&) noexcept(std::is_nothrow_move_constructible::value - && std::is_nothrow_move_constructible::value) = default; + && std::is_nothrow_move_constructible::value) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor,cppcoreguidelines-noexcept-move-operations) iteration_proxy_value& operator=(iteration_proxy_value&&) noexcept(std::is_nothrow_move_assignable::value - && std::is_nothrow_move_assignable::value) = default; + && std::is_nothrow_move_assignable::value) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor,cppcoreguidelines-noexcept-move-operations) ~iteration_proxy_value() = default; /// dereference operator (needed for range-based for) @@ -5297,11 +5644,11 @@ namespace std #pragma clang diagnostic ignored "-Wmismatched-tags" #endif template -class tuple_size<::nlohmann::detail::iteration_proxy_value> - : public std::integral_constant {}; +class tuple_size<::nlohmann::detail::iteration_proxy_value> // NOLINT(cert-dcl58-cpp) + : public std::integral_constant {}; template -class tuple_element> +class tuple_element> // NOLINT(cert-dcl58-cpp) { public: using type = decltype( @@ -5319,8 +5666,6 @@ class tuple_element> inline constexpr bool ::std::ranges::enable_borrowed_range<::nlohmann::detail::iteration_proxy> = true; #endif -// #include - // #include // #include @@ -5340,7 +5685,7 @@ namespace detail /* * Note all external_constructor<>::construct functions need to call - * j.m_value.destroy(j.m_type) to avoid a memory leak in case j contains an + * j.m_data.m_value.destroy(j.m_data.m_type) to avoid a memory leak in case j contains an * allocated value (e.g., a string). See bug issue * https://github.com/nlohmann/json/issues/2865 for more information. */ @@ -5353,9 +5698,9 @@ struct external_constructor template static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept { - j.m_value.destroy(j.m_type); - j.m_type = value_t::boolean; - j.m_value = b; + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::boolean; + j.m_data.m_value = b; j.assert_invariant(); } }; @@ -5366,18 +5711,18 @@ struct external_constructor template static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::string; - j.m_value = s; + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::string; + j.m_data.m_value = s; j.assert_invariant(); } template static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::string; - j.m_value = std::move(s); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::string; + j.m_data.m_value = std::move(s); j.assert_invariant(); } @@ -5386,9 +5731,9 @@ struct external_constructor int > = 0 > static void construct(BasicJsonType& j, const CompatibleStringType& str) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::string; - j.m_value.string = j.template create(str); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::string; + j.m_data.m_value.string = j.template create(str); j.assert_invariant(); } }; @@ -5399,18 +5744,18 @@ struct external_constructor template static void construct(BasicJsonType& j, const typename BasicJsonType::binary_t& b) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::binary; - j.m_value = typename BasicJsonType::binary_t(b); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::binary; + j.m_data.m_value = typename BasicJsonType::binary_t(b); j.assert_invariant(); } template static void construct(BasicJsonType& j, typename BasicJsonType::binary_t&& b) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::binary; - j.m_value = typename BasicJsonType::binary_t(std::move(b)); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::binary; + j.m_data.m_value = typename BasicJsonType::binary_t(std::move(b)); j.assert_invariant(); } }; @@ -5421,9 +5766,9 @@ struct external_constructor template static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept { - j.m_value.destroy(j.m_type); - j.m_type = value_t::number_float; - j.m_value = val; + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::number_float; + j.m_data.m_value = val; j.assert_invariant(); } }; @@ -5434,9 +5779,9 @@ struct external_constructor template static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept { - j.m_value.destroy(j.m_type); - j.m_type = value_t::number_unsigned; - j.m_value = val; + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::number_unsigned; + j.m_data.m_value = val; j.assert_invariant(); } }; @@ -5447,9 +5792,9 @@ struct external_constructor template static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept { - j.m_value.destroy(j.m_type); - j.m_type = value_t::number_integer; - j.m_value = val; + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::number_integer; + j.m_data.m_value = val; j.assert_invariant(); } }; @@ -5460,9 +5805,9 @@ struct external_constructor template static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::array; - j.m_value = arr; + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::array; + j.m_data.m_value = arr; j.set_parents(); j.assert_invariant(); } @@ -5470,9 +5815,9 @@ struct external_constructor template static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::array; - j.m_value = std::move(arr); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::array; + j.m_data.m_value = std::move(arr); j.set_parents(); j.assert_invariant(); } @@ -5485,9 +5830,9 @@ struct external_constructor using std::begin; using std::end; - j.m_value.destroy(j.m_type); - j.m_type = value_t::array; - j.m_value.array = j.template create(begin(arr), end(arr)); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::array; + j.m_data.m_value.array = j.template create(begin(arr), end(arr)); j.set_parents(); j.assert_invariant(); } @@ -5495,14 +5840,14 @@ struct external_constructor template static void construct(BasicJsonType& j, const std::vector& arr) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::array; - j.m_value = value_t::array; - j.m_value.array->reserve(arr.size()); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::array; + j.m_data.m_value = value_t::array; + j.m_data.m_value.array->reserve(arr.size()); for (const bool x : arr) { - j.m_value.array->push_back(x); - j.set_parent(j.m_value.array->back()); + j.m_data.m_value.array->push_back(x); + j.set_parent(j.m_data.m_value.array->back()); } j.assert_invariant(); } @@ -5511,13 +5856,13 @@ struct external_constructor enable_if_t::value, int> = 0> static void construct(BasicJsonType& j, const std::valarray& arr) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::array; - j.m_value = value_t::array; - j.m_value.array->resize(arr.size()); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::array; + j.m_data.m_value = value_t::array; + j.m_data.m_value.array->resize(arr.size()); if (arr.size() > 0) { - std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin()); + std::copy(std::begin(arr), std::end(arr), j.m_data.m_value.array->begin()); } j.set_parents(); j.assert_invariant(); @@ -5530,9 +5875,9 @@ struct external_constructor template static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::object; - j.m_value = obj; + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::object; + j.m_data.m_value = obj; j.set_parents(); j.assert_invariant(); } @@ -5540,9 +5885,9 @@ struct external_constructor template static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj) { - j.m_value.destroy(j.m_type); - j.m_type = value_t::object; - j.m_value = std::move(obj); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::object; + j.m_data.m_value = std::move(obj); j.set_parents(); j.assert_invariant(); } @@ -5554,9 +5899,9 @@ struct external_constructor using std::begin; using std::end; - j.m_value.destroy(j.m_type); - j.m_type = value_t::object; - j.m_value.object = j.template create(begin(obj), end(obj)); + j.m_data.m_value.destroy(j.m_data.m_type); + j.m_data.m_type = value_t::object; + j.m_data.m_value.object = j.template create(begin(obj), end(obj)); j.set_parents(); j.assert_invariant(); } @@ -5566,6 +5911,22 @@ struct external_constructor // to_json // ///////////// +#ifdef JSON_HAS_CPP_17 +template::value, int> = 0> +void to_json(BasicJsonType& j, const std::optional& opt) +{ + if (opt.has_value()) + { + j = *opt; + } + else + { + j = nullptr; + } +} +#endif + template::value, int> = 0> inline void to_json(BasicJsonType& j, T b) noexcept @@ -5626,7 +5987,8 @@ template::type; - external_constructor::construct(j, static_cast(e)); + static constexpr value_t integral_value_t = std::is_unsigned::value ? value_t::number_unsigned : value_t::number_integer; + external_constructor::construct(j, static_cast(e)); } #endif // JSON_DISABLE_ENUM_SERIALIZATION @@ -5711,6 +6073,13 @@ inline void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence< j = { std::get(t)... }; } +template +inline void to_json_tuple_impl(BasicJsonType& j, const Tuple& /*unused*/, index_sequence<> /*unused*/) +{ + using array_t = typename BasicJsonType::array_t; + j = array_t(); +} + template::value, int > = 0> inline void to_json(BasicJsonType& j, const T& t) { @@ -5721,7 +6090,12 @@ inline void to_json(BasicJsonType& j, const T& t) template inline void to_json(BasicJsonType& j, const std_fs::path& p) { - j = p.string(); +#ifdef JSON_HAS_CPP_20 + const std::u8string s = p.u8string(); + j = std::string(s.begin(), s.end()); +#else + j = p.u8string(); // returns std::string in C++17 +#endif } #endif @@ -5796,10 +6170,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -5908,10 +6282,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -6041,10 +6415,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -6061,16 +6435,19 @@ NLOHMANN_JSON_NAMESPACE_END #include // char_traits, string #include // make_pair, move #include // vector +#ifdef __cpp_lib_byteswap + #include //byteswap +#endif // #include // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -6090,10 +6467,14 @@ NLOHMANN_JSON_NAMESPACE_END #include // istream #endif // JSON_NO_IO +// #include + // #include // #include +// #include + NLOHMANN_JSON_NAMESPACE_BEGIN namespace detail @@ -6135,12 +6516,18 @@ class file_input_adapter return std::fgetc(m_file); } + // returns the number of characters successfully read + template + std::size_t get_elements(T* dest, std::size_t count = 1) + { + return fread(dest, 1, sizeof(T) * count, m_file); + } + private: /// the file pointer to read from std::FILE* m_file; }; - /*! Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at beginning of input. Does not support changing the underlying std::streambuf @@ -6195,6 +6582,17 @@ class input_stream_adapter return res; } + template + std::size_t get_elements(T* dest, std::size_t count = 1) + { + auto res = static_cast(sb->sgetn(reinterpret_cast(dest), static_cast(count * sizeof(T)))); + if (JSON_HEDLEY_UNLIKELY(res < count * sizeof(T))) + { + is->clear(is->rdstate() | std::ios::eofbit); + } + return res; + } + private: /// the associated input stream std::istream* is = nullptr; @@ -6214,16 +6612,36 @@ class iterator_input_adapter : current(std::move(first)), end(std::move(last)) {} - typename std::char_traits::int_type get_character() + typename char_traits::int_type get_character() { if (JSON_HEDLEY_LIKELY(current != end)) { - auto result = std::char_traits::to_int_type(*current); + auto result = char_traits::to_int_type(*current); std::advance(current, 1); return result; } - return std::char_traits::eof(); + return char_traits::eof(); + } + + // for general iterators, we cannot really do something better than falling back to processing the range one-by-one + template + std::size_t get_elements(T* dest, std::size_t count = 1) + { + auto* ptr = reinterpret_cast(dest); + for (std::size_t read_index = 0; read_index < count * sizeof(T); ++read_index) + { + if (JSON_HEDLEY_LIKELY(current != end)) + { + ptr[read_index] = static_cast(*current); + std::advance(current, 1); + } + else + { + return read_index; + } + } + return count * sizeof(T); } private: @@ -6239,7 +6657,6 @@ class iterator_input_adapter } }; - template struct wide_string_input_helper; @@ -6363,7 +6780,7 @@ struct wide_string_input_helper } }; -// Wraps another input apdater to convert wide character types into individual bytes. +// Wraps another input adapter to convert wide character types into individual bytes. template class wide_string_input_adapter { @@ -6390,6 +6807,13 @@ class wide_string_input_adapter return utf8_bytes[utf8_bytes_index++]; } + // parsing binary with wchar doesn't make sense, but since the parsing mode can be runtime, we need something here + template + std::size_t get_elements(T* /*dest*/, std::size_t /*count*/ = 1) + { + JSON_THROW(parse_error::create(112, 1, "wide string type cannot be interpreted as binary data", nullptr)); + } + private: BaseInputAdapter base_adapter; @@ -6408,7 +6832,6 @@ class wide_string_input_adapter std::size_t utf8_bytes_filled = 0; }; - template struct iterator_input_adapter_factory { @@ -6487,10 +6910,17 @@ typename container_input_adapter_factory_impl::container_input_adapter_factory::create(container); } +// specialization for std::string +using string_input_adapter_type = decltype(input_adapter(std::declval())); + #ifndef JSON_NO_IO // Special cases with fast paths inline file_input_adapter input_adapter(std::FILE* file) { + if (file == nullptr) + { + JSON_THROW(parse_error::create(101, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr)); + } return file_input_adapter(file); } @@ -6517,9 +6947,13 @@ template < typename CharT, int >::type = 0 > contiguous_bytes_input_adapter input_adapter(CharT b) { + if (b == nullptr) + { + JSON_THROW(parse_error::create(101, 0, "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr)); + } auto length = std::strlen(reinterpret_cast(b)); const auto* ptr = reinterpret_cast(b); - return input_adapter(ptr, ptr + length); + return input_adapter(ptr, ptr + length); // cppcheck-suppress[nullPointerArithmeticRedundantCheck] } template @@ -6565,2382 +6999,2653 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT #include #include // string +#include // enable_if_t #include // move #include // vector // #include -// #include +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.12.0 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann +// SPDX-License-Identifier: MIT -// #include + + +#include // array +#include // localeconv +#include // size_t +#include // snprintf +#include // strtof, strtod, strtold, strtoll, strtoull +#include // initializer_list +#include // char_traits, string +#include // move +#include // vector + +// #include + +// #include + +// #include + +// #include NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +/////////// +// lexer // +/////////// + +template +class lexer_base +{ + public: + /// token types for the parser + enum class token_type + { + uninitialized, ///< indicating the scanner is uninitialized + literal_true, ///< the `true` literal + literal_false, ///< the `false` literal + literal_null, ///< the `null` literal + value_string, ///< a string -- use get_string() for actual value + value_unsigned, ///< an unsigned integer -- use get_number_unsigned() for actual value + value_integer, ///< a signed integer -- use get_number_integer() for actual value + value_float, ///< an floating point number -- use get_number_float() for actual value + begin_array, ///< the character for array begin `[` + begin_object, ///< the character for object begin `{` + end_array, ///< the character for array end `]` + end_object, ///< the character for object end `}` + name_separator, ///< the name separator `:` + value_separator, ///< the value separator `,` + parse_error, ///< indicating a parse error + end_of_input, ///< indicating the end of the input buffer + literal_or_value ///< a literal or the begin of a value (only for diagnostics) + }; + /// return name of values of type token_type (only used for errors) + JSON_HEDLEY_RETURNS_NON_NULL + JSON_HEDLEY_CONST + static const char* token_type_name(const token_type t) noexcept + { + switch (t) + { + case token_type::uninitialized: + return ""; + case token_type::literal_true: + return "true literal"; + case token_type::literal_false: + return "false literal"; + case token_type::literal_null: + return "null literal"; + case token_type::value_string: + return "string literal"; + case token_type::value_unsigned: + case token_type::value_integer: + case token_type::value_float: + return "number literal"; + case token_type::begin_array: + return "'['"; + case token_type::begin_object: + return "'{'"; + case token_type::end_array: + return "']'"; + case token_type::end_object: + return "'}'"; + case token_type::name_separator: + return "':'"; + case token_type::value_separator: + return "','"; + case token_type::parse_error: + return ""; + case token_type::end_of_input: + return "end of input"; + case token_type::literal_or_value: + return "'[', '{', or a literal"; + // LCOV_EXCL_START + default: // catch non-enum values + return "unknown token"; + // LCOV_EXCL_STOP + } + } +}; /*! -@brief SAX interface +@brief lexical analysis -This class describes the SAX interface used by @ref nlohmann::json::sax_parse. -Each function is called in different situations while the input is parsed. The -boolean return value informs the parser whether to continue processing the -input. +This class organizes the lexical analysis during JSON deserialization. */ -template -struct json_sax +template +class lexer : public lexer_base { using number_integer_t = typename BasicJsonType::number_integer_t; using number_unsigned_t = typename BasicJsonType::number_unsigned_t; using number_float_t = typename BasicJsonType::number_float_t; using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; + using char_type = typename InputAdapterType::char_type; + using char_int_type = typename char_traits::int_type; - /*! - @brief a null value was read - @return whether parsing should proceed - */ - virtual bool null() = 0; + public: + using token_type = typename lexer_base::token_type; - /*! - @brief a boolean value was read - @param[in] val boolean value - @return whether parsing should proceed - */ - virtual bool boolean(bool val) = 0; + explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) noexcept + : ia(std::move(adapter)) + , ignore_comments(ignore_comments_) + , decimal_point_char(static_cast(get_decimal_point())) + {} - /*! - @brief an integer number was read - @param[in] val integer value - @return whether parsing should proceed - */ - virtual bool number_integer(number_integer_t val) = 0; + // delete because of pointer members + lexer(const lexer&) = delete; + lexer(lexer&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) + lexer& operator=(lexer&) = delete; + lexer& operator=(lexer&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) + ~lexer() = default; - /*! - @brief an unsigned integer number was read - @param[in] val unsigned integer value - @return whether parsing should proceed - */ - virtual bool number_unsigned(number_unsigned_t val) = 0; + private: + ///////////////////// + // locales + ///////////////////// - /*! - @brief a floating-point number was read - @param[in] val floating-point value - @param[in] s raw token value - @return whether parsing should proceed - */ - virtual bool number_float(number_float_t val, const string_t& s) = 0; + /// return the locale-dependent decimal point + JSON_HEDLEY_PURE + static char get_decimal_point() noexcept + { + const auto* loc = localeconv(); + JSON_ASSERT(loc != nullptr); + return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point); + } - /*! - @brief a string value was read - @param[in] val string value - @return whether parsing should proceed - @note It is safe to move the passed string value. - */ - virtual bool string(string_t& val) = 0; + ///////////////////// + // scan functions + ///////////////////// /*! - @brief a binary value was read - @param[in] val binary value - @return whether parsing should proceed - @note It is safe to move the passed binary value. - */ - virtual bool binary(binary_t& val) = 0; + @brief get codepoint from 4 hex characters following `\u` - /*! - @brief the beginning of an object was read - @param[in] elements number of object elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ - virtual bool start_object(std::size_t elements) = 0; + For input "\u c1 c2 c3 c4" the codepoint is: + (c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4 + = (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0) - /*! - @brief an object key was read - @param[in] val object key - @return whether parsing should proceed - @note It is safe to move the passed string. - */ - virtual bool key(string_t& val) = 0; + Furthermore, the possible characters '0'..'9', 'A'..'F', and 'a'..'f' + must be converted to the integers 0x0..0x9, 0xA..0xF, 0xA..0xF, resp. The + conversion is done by subtracting the offset (0x30, 0x37, and 0x57) + between the ASCII value of the character and the desired integer value. - /*! - @brief the end of an object was read - @return whether parsing should proceed + @return codepoint (0x0000..0xFFFF) or -1 in case of an error (e.g. EOF or + non-hex character) */ - virtual bool end_object() = 0; + int get_codepoint() + { + // this function only makes sense after reading `\u` + JSON_ASSERT(current == 'u'); + int codepoint = 0; - /*! - @brief the beginning of an array was read - @param[in] elements number of array elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ - virtual bool start_array(std::size_t elements) = 0; + const auto factors = { 12u, 8u, 4u, 0u }; + for (const auto factor : factors) + { + get(); - /*! - @brief the end of an array was read - @return whether parsing should proceed - */ - virtual bool end_array() = 0; + if (current >= '0' && current <= '9') + { + codepoint += static_cast((static_cast(current) - 0x30u) << factor); + } + else if (current >= 'A' && current <= 'F') + { + codepoint += static_cast((static_cast(current) - 0x37u) << factor); + } + else if (current >= 'a' && current <= 'f') + { + codepoint += static_cast((static_cast(current) - 0x57u) << factor); + } + else + { + return -1; + } + } + + JSON_ASSERT(0x0000 <= codepoint && codepoint <= 0xFFFF); + return codepoint; + } /*! - @brief a parse error occurred - @param[in] position the position in the input where the error occurs - @param[in] last_token the last read token - @param[in] ex an exception object describing the error - @return whether parsing should proceed (must return false) - */ - virtual bool parse_error(std::size_t position, - const std::string& last_token, - const detail::exception& ex) = 0; - - json_sax() = default; - json_sax(const json_sax&) = default; - json_sax(json_sax&&) noexcept = default; - json_sax& operator=(const json_sax&) = default; - json_sax& operator=(json_sax&&) noexcept = default; - virtual ~json_sax() = default; -}; - - -namespace detail -{ -/*! -@brief SAX implementation to create a JSON value from SAX events + @brief check if the next byte(s) are inside a given range -This class implements the @ref json_sax interface and processes the SAX events -to create a JSON value which makes it basically a DOM parser. The structure or -hierarchy of the JSON value is managed by the stack `ref_stack` which contains -a pointer to the respective array or object for each recursion depth. + Adds the current byte and, for each passed range, reads a new byte and + checks if it is inside the range. If a violation was detected, set up an + error message and return false. Otherwise, return true. -After successful parsing, the value that is passed by reference to the -constructor contains the parsed value. + @param[in] ranges list of integers; interpreted as list of pairs of + inclusive lower and upper bound, respectively -@tparam BasicJsonType the JSON type -*/ -template -class json_sax_dom_parser -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; + @pre The passed list @a ranges must have 2, 4, or 6 elements; that is, + 1, 2, or 3 pairs. This precondition is enforced by an assertion. - /*! - @param[in,out] r reference to a JSON value that is manipulated while - parsing - @param[in] allow_exceptions_ whether parse errors yield exceptions + @return true if and only if no range violation was detected */ - explicit json_sax_dom_parser(BasicJsonType& r, const bool allow_exceptions_ = true) - : root(r), allow_exceptions(allow_exceptions_) - {} - - // make class move-only - json_sax_dom_parser(const json_sax_dom_parser&) = delete; - json_sax_dom_parser(json_sax_dom_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) - json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete; - json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) - ~json_sax_dom_parser() = default; - - bool null() + bool next_byte_in_range(std::initializer_list ranges) { - handle_value(nullptr); - return true; - } + JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6); + add(current); - bool boolean(bool val) - { - handle_value(val); - return true; - } + for (auto range = ranges.begin(); range != ranges.end(); ++range) + { + get(); + if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range))) // NOLINT(bugprone-inc-dec-in-conditions) + { + add(current); + } + else + { + error_message = "invalid string: ill-formed UTF-8 byte"; + return false; + } + } - bool number_integer(number_integer_t val) - { - handle_value(val); return true; } - bool number_unsigned(number_unsigned_t val) - { - handle_value(val); - return true; - } + /*! + @brief scan a string literal - bool number_float(number_float_t val, const string_t& /*unused*/) - { - handle_value(val); - return true; - } + This function scans a string according to Sect. 7 of RFC 8259. While + scanning, bytes are escaped and copied into buffer token_buffer. Then the + function returns successfully, token_buffer is *not* null-terminated (as it + may contain \0 bytes), and token_buffer.size() is the number of bytes in the + string. - bool string(string_t& val) - { - handle_value(val); - return true; - } + @return token_type::value_string if string could be successfully scanned, + token_type::parse_error otherwise - bool binary(binary_t& val) + @note In case of errors, variable error_message contains a textual + description. + */ + token_type scan_string() { - handle_value(std::move(val)); - return true; - } + // reset token_buffer (ignore opening quote) + reset(); - bool start_object(std::size_t len) - { - ref_stack.push_back(handle_value(BasicJsonType::value_t::object)); + // we entered the function by reading an open quote + JSON_ASSERT(current == '\"'); - if (JSON_HEDLEY_UNLIKELY(len != static_cast(-1) && len > ref_stack.back()->max_size())) + while (true) { - JSON_THROW(out_of_range::create(408, concat("excessive object size: ", std::to_string(len)), ref_stack.back())); - } + // get next character + switch (get()) + { + // end of file while parsing string + case char_traits::eof(): + { + error_message = "invalid string: missing closing quote"; + return token_type::parse_error; + } - return true; - } + // closing quote + case '\"': + { + return token_type::value_string; + } - bool key(string_t& val) - { - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(ref_stack.back()->is_object()); + // escapes + case '\\': + { + switch (get()) + { + // quotation mark + case '\"': + add('\"'); + break; + // reverse solidus + case '\\': + add('\\'); + break; + // solidus + case '/': + add('/'); + break; + // backspace + case 'b': + add('\b'); + break; + // form feed + case 'f': + add('\f'); + break; + // line feed + case 'n': + add('\n'); + break; + // carriage return + case 'r': + add('\r'); + break; + // tab + case 't': + add('\t'); + break; - // add null at given key and store the reference for later - object_element = &(ref_stack.back()->m_value.object->operator[](val)); - return true; - } + // unicode escapes + case 'u': + { + const int codepoint1 = get_codepoint(); + int codepoint = codepoint1; // start with codepoint1 - bool end_object() - { - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(ref_stack.back()->is_object()); + if (JSON_HEDLEY_UNLIKELY(codepoint1 == -1)) + { + error_message = "invalid string: '\\u' must be followed by 4 hex digits"; + return token_type::parse_error; + } - ref_stack.back()->set_parents(); - ref_stack.pop_back(); - return true; - } + // check if code point is a high surrogate + if (0xD800 <= codepoint1 && codepoint1 <= 0xDBFF) + { + // expect next \uxxxx entry + if (JSON_HEDLEY_LIKELY(get() == '\\' && get() == 'u')) + { + const int codepoint2 = get_codepoint(); - bool start_array(std::size_t len) - { - ref_stack.push_back(handle_value(BasicJsonType::value_t::array)); + if (JSON_HEDLEY_UNLIKELY(codepoint2 == -1)) + { + error_message = "invalid string: '\\u' must be followed by 4 hex digits"; + return token_type::parse_error; + } - if (JSON_HEDLEY_UNLIKELY(len != static_cast(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, concat("excessive array size: ", std::to_string(len)), ref_stack.back())); - } + // check if codepoint2 is a low surrogate + if (JSON_HEDLEY_LIKELY(0xDC00 <= codepoint2 && codepoint2 <= 0xDFFF)) + { + // overwrite codepoint + codepoint = static_cast( + // high surrogate occupies the most significant 22 bits + (static_cast(codepoint1) << 10u) + // low surrogate occupies the least significant 15 bits + + static_cast(codepoint2) + // there is still the 0xD800, 0xDC00 and 0x10000 noise + // in the result, so we have to subtract with: + // (0xD800 << 10) + DC00 - 0x10000 = 0x35FDC00 + - 0x35FDC00u); + } + else + { + error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; + return token_type::parse_error; + } + } + else + { + error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; + return token_type::parse_error; + } + } + else + { + if (JSON_HEDLEY_UNLIKELY(0xDC00 <= codepoint1 && codepoint1 <= 0xDFFF)) + { + error_message = "invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF"; + return token_type::parse_error; + } + } - return true; - } - - bool end_array() - { - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(ref_stack.back()->is_array()); - - ref_stack.back()->set_parents(); - ref_stack.pop_back(); - return true; - } + // result of the above calculation yields a proper codepoint + JSON_ASSERT(0x00 <= codepoint && codepoint <= 0x10FFFF); - template - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, - const Exception& ex) - { - errored = true; - static_cast(ex); - if (allow_exceptions) - { - JSON_THROW(ex); - } - return false; - } + // translate codepoint into bytes + if (codepoint < 0x80) + { + // 1-byte characters: 0xxxxxxx (ASCII) + add(static_cast(codepoint)); + } + else if (codepoint <= 0x7FF) + { + // 2-byte characters: 110xxxxx 10xxxxxx + add(static_cast(0xC0u | (static_cast(codepoint) >> 6u))); + add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); + } + else if (codepoint <= 0xFFFF) + { + // 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx + add(static_cast(0xE0u | (static_cast(codepoint) >> 12u))); + add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); + add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); + } + else + { + // 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + add(static_cast(0xF0u | (static_cast(codepoint) >> 18u))); + add(static_cast(0x80u | ((static_cast(codepoint) >> 12u) & 0x3Fu))); + add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); + add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); + } - constexpr bool is_errored() const - { - return errored; - } + break; + } - private: - /*! - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - */ - template - JSON_HEDLEY_RETURNS_NON_NULL - BasicJsonType* handle_value(Value&& v) - { - if (ref_stack.empty()) - { - root = BasicJsonType(std::forward(v)); - return &root; - } + // other characters after escape + default: + error_message = "invalid string: forbidden character after backslash"; + return token_type::parse_error; + } - JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); + break; + } - if (ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->emplace_back(std::forward(v)); - return &(ref_stack.back()->m_value.array->back()); - } + // invalid control characters + case 0x00: + { + error_message = "invalid string: control character U+0000 (NUL) must be escaped to \\u0000"; + return token_type::parse_error; + } - JSON_ASSERT(ref_stack.back()->is_object()); - JSON_ASSERT(object_element); - *object_element = BasicJsonType(std::forward(v)); - return object_element; - } + case 0x01: + { + error_message = "invalid string: control character U+0001 (SOH) must be escaped to \\u0001"; + return token_type::parse_error; + } - /// the parsed JSON value - BasicJsonType& root; - /// stack to model hierarchy of values - std::vector ref_stack {}; - /// helper to hold the reference for the next object element - BasicJsonType* object_element = nullptr; - /// whether a syntax error occurred - bool errored = false; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; -}; + case 0x02: + { + error_message = "invalid string: control character U+0002 (STX) must be escaped to \\u0002"; + return token_type::parse_error; + } -template -class json_sax_dom_callback_parser -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - using parser_callback_t = typename BasicJsonType::parser_callback_t; - using parse_event_t = typename BasicJsonType::parse_event_t; + case 0x03: + { + error_message = "invalid string: control character U+0003 (ETX) must be escaped to \\u0003"; + return token_type::parse_error; + } - json_sax_dom_callback_parser(BasicJsonType& r, - const parser_callback_t cb, - const bool allow_exceptions_ = true) - : root(r), callback(cb), allow_exceptions(allow_exceptions_) - { - keep_stack.push_back(true); - } + case 0x04: + { + error_message = "invalid string: control character U+0004 (EOT) must be escaped to \\u0004"; + return token_type::parse_error; + } - // make class move-only - json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete; - json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) - json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete; - json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) - ~json_sax_dom_callback_parser() = default; + case 0x05: + { + error_message = "invalid string: control character U+0005 (ENQ) must be escaped to \\u0005"; + return token_type::parse_error; + } - bool null() - { - handle_value(nullptr); - return true; - } + case 0x06: + { + error_message = "invalid string: control character U+0006 (ACK) must be escaped to \\u0006"; + return token_type::parse_error; + } - bool boolean(bool val) - { - handle_value(val); - return true; - } + case 0x07: + { + error_message = "invalid string: control character U+0007 (BEL) must be escaped to \\u0007"; + return token_type::parse_error; + } - bool number_integer(number_integer_t val) - { - handle_value(val); - return true; - } + case 0x08: + { + error_message = "invalid string: control character U+0008 (BS) must be escaped to \\u0008 or \\b"; + return token_type::parse_error; + } - bool number_unsigned(number_unsigned_t val) - { - handle_value(val); - return true; - } + case 0x09: + { + error_message = "invalid string: control character U+0009 (HT) must be escaped to \\u0009 or \\t"; + return token_type::parse_error; + } - bool number_float(number_float_t val, const string_t& /*unused*/) - { - handle_value(val); - return true; - } + case 0x0A: + { + error_message = "invalid string: control character U+000A (LF) must be escaped to \\u000A or \\n"; + return token_type::parse_error; + } - bool string(string_t& val) - { - handle_value(val); - return true; - } + case 0x0B: + { + error_message = "invalid string: control character U+000B (VT) must be escaped to \\u000B"; + return token_type::parse_error; + } - bool binary(binary_t& val) - { - handle_value(std::move(val)); - return true; - } + case 0x0C: + { + error_message = "invalid string: control character U+000C (FF) must be escaped to \\u000C or \\f"; + return token_type::parse_error; + } - bool start_object(std::size_t len) - { - // check callback for object start - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::object_start, discarded); - keep_stack.push_back(keep); + case 0x0D: + { + error_message = "invalid string: control character U+000D (CR) must be escaped to \\u000D or \\r"; + return token_type::parse_error; + } - auto val = handle_value(BasicJsonType::value_t::object, true); - ref_stack.push_back(val.second); + case 0x0E: + { + error_message = "invalid string: control character U+000E (SO) must be escaped to \\u000E"; + return token_type::parse_error; + } - // check object limit - if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != static_cast(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, concat("excessive object size: ", std::to_string(len)), ref_stack.back())); - } + case 0x0F: + { + error_message = "invalid string: control character U+000F (SI) must be escaped to \\u000F"; + return token_type::parse_error; + } - return true; - } + case 0x10: + { + error_message = "invalid string: control character U+0010 (DLE) must be escaped to \\u0010"; + return token_type::parse_error; + } - bool key(string_t& val) - { - BasicJsonType k = BasicJsonType(val); - - // check callback for key - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::key, k); - key_keep_stack.push_back(keep); + case 0x11: + { + error_message = "invalid string: control character U+0011 (DC1) must be escaped to \\u0011"; + return token_type::parse_error; + } - // add discarded value at given key and store the reference for later - if (keep && ref_stack.back()) - { - object_element = &(ref_stack.back()->m_value.object->operator[](val) = discarded); - } + case 0x12: + { + error_message = "invalid string: control character U+0012 (DC2) must be escaped to \\u0012"; + return token_type::parse_error; + } - return true; - } + case 0x13: + { + error_message = "invalid string: control character U+0013 (DC3) must be escaped to \\u0013"; + return token_type::parse_error; + } - bool end_object() - { - if (ref_stack.back()) - { - if (!callback(static_cast(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back())) - { - // discard object - *ref_stack.back() = discarded; - } - else - { - ref_stack.back()->set_parents(); - } - } + case 0x14: + { + error_message = "invalid string: control character U+0014 (DC4) must be escaped to \\u0014"; + return token_type::parse_error; + } - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(!keep_stack.empty()); - ref_stack.pop_back(); - keep_stack.pop_back(); + case 0x15: + { + error_message = "invalid string: control character U+0015 (NAK) must be escaped to \\u0015"; + return token_type::parse_error; + } - if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured()) - { - // remove discarded value - for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it) - { - if (it->is_discarded()) + case 0x16: { - ref_stack.back()->erase(it); - break; + error_message = "invalid string: control character U+0016 (SYN) must be escaped to \\u0016"; + return token_type::parse_error; } - } - } - return true; - } + case 0x17: + { + error_message = "invalid string: control character U+0017 (ETB) must be escaped to \\u0017"; + return token_type::parse_error; + } - bool start_array(std::size_t len) - { - const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::array_start, discarded); - keep_stack.push_back(keep); + case 0x18: + { + error_message = "invalid string: control character U+0018 (CAN) must be escaped to \\u0018"; + return token_type::parse_error; + } - auto val = handle_value(BasicJsonType::value_t::array, true); - ref_stack.push_back(val.second); + case 0x19: + { + error_message = "invalid string: control character U+0019 (EM) must be escaped to \\u0019"; + return token_type::parse_error; + } - // check array limit - if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != static_cast(-1) && len > ref_stack.back()->max_size())) - { - JSON_THROW(out_of_range::create(408, concat("excessive array size: ", std::to_string(len)), ref_stack.back())); - } + case 0x1A: + { + error_message = "invalid string: control character U+001A (SUB) must be escaped to \\u001A"; + return token_type::parse_error; + } - return true; - } + case 0x1B: + { + error_message = "invalid string: control character U+001B (ESC) must be escaped to \\u001B"; + return token_type::parse_error; + } - bool end_array() - { - bool keep = true; + case 0x1C: + { + error_message = "invalid string: control character U+001C (FS) must be escaped to \\u001C"; + return token_type::parse_error; + } - if (ref_stack.back()) - { - keep = callback(static_cast(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back()); - if (keep) - { - ref_stack.back()->set_parents(); - } - else - { - // discard array - *ref_stack.back() = discarded; - } - } + case 0x1D: + { + error_message = "invalid string: control character U+001D (GS) must be escaped to \\u001D"; + return token_type::parse_error; + } - JSON_ASSERT(!ref_stack.empty()); - JSON_ASSERT(!keep_stack.empty()); - ref_stack.pop_back(); - keep_stack.pop_back(); + case 0x1E: + { + error_message = "invalid string: control character U+001E (RS) must be escaped to \\u001E"; + return token_type::parse_error; + } - // remove discarded value - if (!keep && !ref_stack.empty() && ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->pop_back(); - } + case 0x1F: + { + error_message = "invalid string: control character U+001F (US) must be escaped to \\u001F"; + return token_type::parse_error; + } - return true; - } + // U+0020..U+007F (except U+0022 (quote) and U+005C (backspace)) + case 0x20: + case 0x21: + case 0x23: + case 0x24: + case 0x25: + case 0x26: + case 0x27: + case 0x28: + case 0x29: + case 0x2A: + case 0x2B: + case 0x2C: + case 0x2D: + case 0x2E: + case 0x2F: + case 0x30: + case 0x31: + case 0x32: + case 0x33: + case 0x34: + case 0x35: + case 0x36: + case 0x37: + case 0x38: + case 0x39: + case 0x3A: + case 0x3B: + case 0x3C: + case 0x3D: + case 0x3E: + case 0x3F: + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x44: + case 0x45: + case 0x46: + case 0x47: + case 0x48: + case 0x49: + case 0x4A: + case 0x4B: + case 0x4C: + case 0x4D: + case 0x4E: + case 0x4F: + case 0x50: + case 0x51: + case 0x52: + case 0x53: + case 0x54: + case 0x55: + case 0x56: + case 0x57: + case 0x58: + case 0x59: + case 0x5A: + case 0x5B: + case 0x5D: + case 0x5E: + case 0x5F: + case 0x60: + case 0x61: + case 0x62: + case 0x63: + case 0x64: + case 0x65: + case 0x66: + case 0x67: + case 0x68: + case 0x69: + case 0x6A: + case 0x6B: + case 0x6C: + case 0x6D: + case 0x6E: + case 0x6F: + case 0x70: + case 0x71: + case 0x72: + case 0x73: + case 0x74: + case 0x75: + case 0x76: + case 0x77: + case 0x78: + case 0x79: + case 0x7A: + case 0x7B: + case 0x7C: + case 0x7D: + case 0x7E: + case 0x7F: + { + add(current); + break; + } - template - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, - const Exception& ex) - { - errored = true; - static_cast(ex); - if (allow_exceptions) - { - JSON_THROW(ex); - } - return false; - } - - constexpr bool is_errored() const - { - return errored; - } + // U+0080..U+07FF: bytes C2..DF 80..BF + case 0xC2: + case 0xC3: + case 0xC4: + case 0xC5: + case 0xC6: + case 0xC7: + case 0xC8: + case 0xC9: + case 0xCA: + case 0xCB: + case 0xCC: + case 0xCD: + case 0xCE: + case 0xCF: + case 0xD0: + case 0xD1: + case 0xD2: + case 0xD3: + case 0xD4: + case 0xD5: + case 0xD6: + case 0xD7: + case 0xD8: + case 0xD9: + case 0xDA: + case 0xDB: + case 0xDC: + case 0xDD: + case 0xDE: + case 0xDF: + { + if (JSON_HEDLEY_UNLIKELY(!next_byte_in_range({0x80, 0xBF}))) + { + return token_type::parse_error; + } + break; + } - private: - /*! - @param[in] v value to add to the JSON value we build during parsing - @param[in] skip_callback whether we should skip calling the callback - function; this is required after start_array() and - start_object() SAX events, because otherwise we would call the - callback function with an empty array or object, respectively. + // U+0800..U+0FFF: bytes E0 A0..BF 80..BF + case 0xE0: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0xA0, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements + // U+1000..U+CFFF: bytes E1..EC 80..BF 80..BF + // U+E000..U+FFFF: bytes EE..EF 80..BF 80..BF + case 0xE1: + case 0xE2: + case 0xE3: + case 0xE4: + case 0xE5: + case 0xE6: + case 0xE7: + case 0xE8: + case 0xE9: + case 0xEA: + case 0xEB: + case 0xEC: + case 0xEE: + case 0xEF: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } - @return pair of boolean (whether value should be kept) and pointer (to the - passed value in the ref_stack hierarchy; nullptr if not kept) - */ - template - std::pair handle_value(Value&& v, const bool skip_callback = false) - { - JSON_ASSERT(!keep_stack.empty()); + // U+D000..U+D7FF: bytes ED 80..9F 80..BF + case 0xED: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x9F, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } - // do not handle this value if we know it would be added to a discarded - // container - if (!keep_stack.back()) - { - return {false, nullptr}; - } + // U+10000..U+3FFFF F0 90..BF 80..BF 80..BF + case 0xF0: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x90, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } - // create value - auto value = BasicJsonType(std::forward(v)); + // U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF + case 0xF1: + case 0xF2: + case 0xF3: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } - // check callback - const bool keep = skip_callback || callback(static_cast(ref_stack.size()), parse_event_t::value, value); + // U+100000..U+10FFFF F4 80..8F 80..BF 80..BF + case 0xF4: + { + if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x8F, 0x80, 0xBF, 0x80, 0xBF})))) + { + return token_type::parse_error; + } + break; + } - // do not handle this value if we just learnt it shall be discarded - if (!keep) - { - return {false, nullptr}; + // remaining bytes (80..C1 and F5..FF) are ill-formed + default: + { + error_message = "invalid string: ill-formed UTF-8 byte"; + return token_type::parse_error; + } + } } + } - if (ref_stack.empty()) + /*! + * @brief scan a comment + * @return whether comment could be scanned successfully + */ + bool scan_comment() + { + switch (get()) { - root = std::move(value); - return {true, &root}; - } + // single-line comments skip input until a newline or EOF is read + case '/': + { + while (true) + { + switch (get()) + { + case '\n': + case '\r': + case char_traits::eof(): + case '\0': + return true; - // skip this value if we already decided to skip the parent - // (https://github.com/nlohmann/json/issues/971#issuecomment-413678360) - if (!ref_stack.back()) - { - return {false, nullptr}; - } + default: + break; + } + } + } - // we now only expect arrays and objects - JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); + // multi-line comments skip input until */ is read + case '*': + { + while (true) + { + switch (get()) + { + case char_traits::eof(): + case '\0': + { + error_message = "invalid comment; missing closing '*/'"; + return false; + } - // array - if (ref_stack.back()->is_array()) - { - ref_stack.back()->m_value.array->emplace_back(std::move(value)); - return {true, &(ref_stack.back()->m_value.array->back())}; - } + case '*': + { + switch (get()) + { + case '/': + return true; - // object - JSON_ASSERT(ref_stack.back()->is_object()); - // check if we should store an element for the current key - JSON_ASSERT(!key_keep_stack.empty()); - const bool store_element = key_keep_stack.back(); - key_keep_stack.pop_back(); + default: + { + unget(); + continue; + } + } + } - if (!store_element) - { - return {false, nullptr}; + default: + continue; + } + } + } + + // unexpected character after reading '/' + default: + { + error_message = "invalid comment; expecting '/' or '*' after '/'"; + return false; + } } + } - JSON_ASSERT(object_element); - *object_element = std::move(value); - return {true, object_element}; + JSON_HEDLEY_NON_NULL(2) + static void strtof(float& f, const char* str, char** endptr) noexcept + { + f = std::strtof(str, endptr); } - /// the parsed JSON value - BasicJsonType& root; - /// stack to model hierarchy of values - std::vector ref_stack {}; - /// stack to manage which values to keep - std::vector keep_stack {}; - /// stack to manage which object keys to keep - std::vector key_keep_stack {}; - /// helper to hold the reference for the next object element - BasicJsonType* object_element = nullptr; - /// whether a syntax error occurred - bool errored = false; - /// callback function - const parser_callback_t callback = nullptr; - /// whether to throw exceptions in case of errors - const bool allow_exceptions = true; - /// a discarded value for the callback - BasicJsonType discarded = BasicJsonType::value_t::discarded; -}; - -template -class json_sax_acceptor -{ - public: - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using binary_t = typename BasicJsonType::binary_t; - - bool null() + JSON_HEDLEY_NON_NULL(2) + static void strtof(double& f, const char* str, char** endptr) noexcept { - return true; + f = std::strtod(str, endptr); } - bool boolean(bool /*unused*/) + JSON_HEDLEY_NON_NULL(2) + static void strtof(long double& f, const char* str, char** endptr) noexcept { - return true; + f = std::strtold(str, endptr); } - bool number_integer(number_integer_t /*unused*/) - { - return true; - } + /*! + @brief scan a number literal - bool number_unsigned(number_unsigned_t /*unused*/) - { - return true; - } + This function scans a string according to Sect. 6 of RFC 8259. - bool number_float(number_float_t /*unused*/, const string_t& /*unused*/) - { - return true; - } + The function is realized with a deterministic finite state machine derived + from the grammar described in RFC 8259. Starting in state "init", the + input is read and used to determined the next state. Only state "done" + accepts the number. State "error" is a trap state to model errors. In the + table below, "anything" means any character but the ones listed before. - bool string(string_t& /*unused*/) - { - return true; - } + state | 0 | 1-9 | e E | + | - | . | anything + ---------|----------|----------|----------|---------|---------|----------|----------- + init | zero | any1 | [error] | [error] | minus | [error] | [error] + minus | zero | any1 | [error] | [error] | [error] | [error] | [error] + zero | done | done | exponent | done | done | decimal1 | done + any1 | any1 | any1 | exponent | done | done | decimal1 | done + decimal1 | decimal2 | decimal2 | [error] | [error] | [error] | [error] | [error] + decimal2 | decimal2 | decimal2 | exponent | done | done | done | done + exponent | any2 | any2 | [error] | sign | sign | [error] | [error] + sign | any2 | any2 | [error] | [error] | [error] | [error] | [error] + any2 | any2 | any2 | done | done | done | done | done - bool binary(binary_t& /*unused*/) - { - return true; - } + The state machine is realized with one label per state (prefixed with + "scan_number_") and `goto` statements between them. The state machine + contains cycles, but any cycle can be left when EOF is read. Therefore, + the function is guaranteed to terminate. - bool start_object(std::size_t /*unused*/ = static_cast(-1)) - { - return true; - } + During scanning, the read bytes are stored in token_buffer. This string is + then converted to a signed integer, an unsigned integer, or a + floating-point number. - bool key(string_t& /*unused*/) - { - return true; - } + @return token_type::value_unsigned, token_type::value_integer, or + token_type::value_float if number could be successfully scanned, + token_type::parse_error otherwise - bool end_object() + @note The scanner is independent of the current locale. Internally, the + locale's decimal point is used instead of `.` to work with the + locale-dependent converters. + */ + token_type scan_number() // lgtm [cpp/use-of-goto] `goto` is used in this function to implement the number-parsing state machine described above. By design, any finite input will eventually reach the "done" state or return token_type::parse_error. In each intermediate state, 1 byte of the input is appended to the token_buffer vector, and only the already initialized variables token_buffer, number_type, and error_message are manipulated. { - return true; - } + // reset token_buffer to store the number's bytes + reset(); - bool start_array(std::size_t /*unused*/ = static_cast(-1)) - { - return true; - } + // the type of the parsed number; initially set to unsigned; will be + // changed if minus sign, decimal point or exponent is read + token_type number_type = token_type::value_unsigned; - bool end_array() - { - return true; - } + // state (init): we just found out we need to scan a number + switch (current) + { + case '-': + { + add(current); + goto scan_number_minus; + } - bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const detail::exception& /*unused*/) - { - return false; - } -}; + case '0': + { + add(current); + goto scan_number_zero; + } -} // namespace detail -NLOHMANN_JSON_NAMESPACE_END + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any1; + } -// #include -// __ _____ _____ _____ -// __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 -// |_____|_____|_____|_|___| https://github.com/nlohmann/json -// -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann -// SPDX-License-Identifier: MIT + // all other characters are rejected outside scan_number() + default: // LCOV_EXCL_LINE + JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE + } +scan_number_minus: + // state: we just parsed a leading minus sign + number_type = token_type::value_integer; + switch (get()) + { + case '0': + { + add(current); + goto scan_number_zero; + } + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any1; + } -#include // array -#include // localeconv -#include // size_t -#include // snprintf -#include // strtof, strtod, strtold, strtoll, strtoull -#include // initializer_list -#include // char_traits, string -#include // move -#include // vector + default: + { + error_message = "invalid number; expected digit after '-'"; + return token_type::parse_error; + } + } -// #include +scan_number_zero: + // state: we just parse a zero (maybe with a leading minus sign) + switch (get()) + { + case '.': + { + add(decimal_point_char); + decimal_point_position = token_buffer.size() - 1; + goto scan_number_decimal1; + } -// #include + case 'e': + case 'E': + { + add(current); + goto scan_number_exponent; + } -// #include + default: + goto scan_number_done; + } +scan_number_any1: + // state: we just parsed a number 0-9 (maybe with a leading minus sign) + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any1; + } -NLOHMANN_JSON_NAMESPACE_BEGIN -namespace detail -{ + case '.': + { + add(decimal_point_char); + decimal_point_position = token_buffer.size() - 1; + goto scan_number_decimal1; + } -/////////// -// lexer // -/////////// + case 'e': + case 'E': + { + add(current); + goto scan_number_exponent; + } -template -class lexer_base -{ - public: - /// token types for the parser - enum class token_type - { - uninitialized, ///< indicating the scanner is uninitialized - literal_true, ///< the `true` literal - literal_false, ///< the `false` literal - literal_null, ///< the `null` literal - value_string, ///< a string -- use get_string() for actual value - value_unsigned, ///< an unsigned integer -- use get_number_unsigned() for actual value - value_integer, ///< a signed integer -- use get_number_integer() for actual value - value_float, ///< an floating point number -- use get_number_float() for actual value - begin_array, ///< the character for array begin `[` - begin_object, ///< the character for object begin `{` - end_array, ///< the character for array end `]` - end_object, ///< the character for object end `}` - name_separator, ///< the name separator `:` - value_separator, ///< the value separator `,` - parse_error, ///< indicating a parse error - end_of_input, ///< indicating the end of the input buffer - literal_or_value ///< a literal or the begin of a value (only for diagnostics) - }; - - /// return name of values of type token_type (only used for errors) - JSON_HEDLEY_RETURNS_NON_NULL - JSON_HEDLEY_CONST - static const char* token_type_name(const token_type t) noexcept - { - switch (t) - { - case token_type::uninitialized: - return ""; - case token_type::literal_true: - return "true literal"; - case token_type::literal_false: - return "false literal"; - case token_type::literal_null: - return "null literal"; - case token_type::value_string: - return "string literal"; - case token_type::value_unsigned: - case token_type::value_integer: - case token_type::value_float: - return "number literal"; - case token_type::begin_array: - return "'['"; - case token_type::begin_object: - return "'{'"; - case token_type::end_array: - return "']'"; - case token_type::end_object: - return "'}'"; - case token_type::name_separator: - return "':'"; - case token_type::value_separator: - return "','"; - case token_type::parse_error: - return ""; - case token_type::end_of_input: - return "end of input"; - case token_type::literal_or_value: - return "'[', '{', or a literal"; - // LCOV_EXCL_START - default: // catch non-enum values - return "unknown token"; - // LCOV_EXCL_STOP + default: + goto scan_number_done; } - } -}; -/*! -@brief lexical analysis - -This class organizes the lexical analysis during JSON deserialization. -*/ -template -class lexer : public lexer_base -{ - using number_integer_t = typename BasicJsonType::number_integer_t; - using number_unsigned_t = typename BasicJsonType::number_unsigned_t; - using number_float_t = typename BasicJsonType::number_float_t; - using string_t = typename BasicJsonType::string_t; - using char_type = typename InputAdapterType::char_type; - using char_int_type = typename std::char_traits::int_type; - - public: - using token_type = typename lexer_base::token_type; - - explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) noexcept - : ia(std::move(adapter)) - , ignore_comments(ignore_comments_) - , decimal_point_char(static_cast(get_decimal_point())) - {} - - // delete because of pointer members - lexer(const lexer&) = delete; - lexer(lexer&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) - lexer& operator=(lexer&) = delete; - lexer& operator=(lexer&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) - ~lexer() = default; - - private: - ///////////////////// - // locales - ///////////////////// - - /// return the locale-dependent decimal point - JSON_HEDLEY_PURE - static char get_decimal_point() noexcept - { - const auto* loc = localeconv(); - JSON_ASSERT(loc != nullptr); - return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point); - } - - ///////////////////// - // scan functions - ///////////////////// - - /*! - @brief get codepoint from 4 hex characters following `\u` - - For input "\u c1 c2 c3 c4" the codepoint is: - (c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4 - = (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0) - - Furthermore, the possible characters '0'..'9', 'A'..'F', and 'a'..'f' - must be converted to the integers 0x0..0x9, 0xA..0xF, 0xA..0xF, resp. The - conversion is done by subtracting the offset (0x30, 0x37, and 0x57) - between the ASCII value of the character and the desired integer value. - - @return codepoint (0x0000..0xFFFF) or -1 in case of an error (e.g. EOF or - non-hex character) - */ - int get_codepoint() - { - // this function only makes sense after reading `\u` - JSON_ASSERT(current == 'u'); - int codepoint = 0; - const auto factors = { 12u, 8u, 4u, 0u }; - for (const auto factor : factors) +scan_number_decimal1: + // state: we just parsed a decimal point + number_type = token_type::value_float; + switch (get()) { - get(); - - if (current >= '0' && current <= '9') + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': { - codepoint += static_cast((static_cast(current) - 0x30u) << factor); + add(current); + goto scan_number_decimal2; } - else if (current >= 'A' && current <= 'F') + + default: { - codepoint += static_cast((static_cast(current) - 0x37u) << factor); + error_message = "invalid number; expected digit after '.'"; + return token_type::parse_error; } - else if (current >= 'a' && current <= 'f') + } + +scan_number_decimal2: + // we just parsed at least one number after a decimal point + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': { - codepoint += static_cast((static_cast(current) - 0x57u) << factor); + add(current); + goto scan_number_decimal2; } - else + + case 'e': + case 'E': { - return -1; + add(current); + goto scan_number_exponent; } - } - - JSON_ASSERT(0x0000 <= codepoint && codepoint <= 0xFFFF); - return codepoint; - } - /*! - @brief check if the next byte(s) are inside a given range - - Adds the current byte and, for each passed range, reads a new byte and - checks if it is inside the range. If a violation was detected, set up an - error message and return false. Otherwise, return true. - - @param[in] ranges list of integers; interpreted as list of pairs of - inclusive lower and upper bound, respectively - - @pre The passed list @a ranges must have 2, 4, or 6 elements; that is, - 1, 2, or 3 pairs. This precondition is enforced by an assertion. - - @return true if and only if no range violation was detected - */ - bool next_byte_in_range(std::initializer_list ranges) - { - JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6); - add(current); + default: + goto scan_number_done; + } - for (auto range = ranges.begin(); range != ranges.end(); ++range) +scan_number_exponent: + // we just parsed an exponent + number_type = token_type::value_float; + switch (get()) { - get(); - if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range))) + case '+': + case '-': { add(current); + goto scan_number_sign; } - else + + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': { - error_message = "invalid string: ill-formed UTF-8 byte"; - return false; + add(current); + goto scan_number_any2; } - } - return true; - } - - /*! - @brief scan a string literal + default: + { + error_message = + "invalid number; expected '+', '-', or digit after exponent"; + return token_type::parse_error; + } + } - This function scans a string according to Sect. 7 of RFC 8259. While - scanning, bytes are escaped and copied into buffer token_buffer. Then the - function returns successfully, token_buffer is *not* null-terminated (as it - may contain \0 bytes), and token_buffer.size() is the number of bytes in the - string. +scan_number_sign: + // we just parsed an exponent sign + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any2; + } - @return token_type::value_string if string could be successfully scanned, - token_type::parse_error otherwise + default: + { + error_message = "invalid number; expected digit after exponent sign"; + return token_type::parse_error; + } + } - @note In case of errors, variable error_message contains a textual - description. - */ - token_type scan_string() - { - // reset token_buffer (ignore opening quote) - reset(); +scan_number_any2: + // we just parsed a number after the exponent or exponent sign + switch (get()) + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + { + add(current); + goto scan_number_any2; + } - // we entered the function by reading an open quote - JSON_ASSERT(current == '\"'); + default: + goto scan_number_done; + } - while (true) +scan_number_done: + // unget the character after the number (we only read it to know that + // we are done scanning a number) + unget(); + + char* endptr = nullptr; // NOLINT(misc-const-correctness,cppcoreguidelines-pro-type-vararg,hicpp-vararg) + errno = 0; + + // try to parse integers first and fall back to floats + if (number_type == token_type::value_unsigned) { - // get next character - switch (get()) + const auto x = std::strtoull(token_buffer.data(), &endptr, 10); + + // we checked the number format before + JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); + + if (errno != ERANGE) { - // end of file while parsing string - case std::char_traits::eof(): + value_unsigned = static_cast(x); + if (value_unsigned == x) { - error_message = "invalid string: missing closing quote"; - return token_type::parse_error; + return token_type::value_unsigned; } + } + } + else if (number_type == token_type::value_integer) + { + const auto x = std::strtoll(token_buffer.data(), &endptr, 10); - // closing quote - case '\"': - { - return token_type::value_string; - } + // we checked the number format before + JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - // escapes - case '\\': + if (errno != ERANGE) + { + value_integer = static_cast(x); + if (value_integer == x) { - switch (get()) - { - // quotation mark - case '\"': - add('\"'); - break; - // reverse solidus - case '\\': - add('\\'); - break; - // solidus - case '/': - add('/'); - break; - // backspace - case 'b': - add('\b'); - break; - // form feed - case 'f': - add('\f'); - break; - // line feed - case 'n': - add('\n'); - break; - // carriage return - case 'r': - add('\r'); - break; - // tab - case 't': - add('\t'); - break; + return token_type::value_integer; + } + } + } - // unicode escapes - case 'u': - { - const int codepoint1 = get_codepoint(); - int codepoint = codepoint1; // start with codepoint1 + // this code is reached if we parse a floating-point number or if an + // integer conversion above failed + strtof(value_float, token_buffer.data(), &endptr); - if (JSON_HEDLEY_UNLIKELY(codepoint1 == -1)) - { - error_message = "invalid string: '\\u' must be followed by 4 hex digits"; - return token_type::parse_error; - } + // we checked the number format before + JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - // check if code point is a high surrogate - if (0xD800 <= codepoint1 && codepoint1 <= 0xDBFF) - { - // expect next \uxxxx entry - if (JSON_HEDLEY_LIKELY(get() == '\\' && get() == 'u')) - { - const int codepoint2 = get_codepoint(); + return token_type::value_float; + } - if (JSON_HEDLEY_UNLIKELY(codepoint2 == -1)) - { - error_message = "invalid string: '\\u' must be followed by 4 hex digits"; - return token_type::parse_error; - } + /*! + @param[in] literal_text the literal text to expect + @param[in] length the length of the passed literal text + @param[in] return_type the token type to return on success + */ + JSON_HEDLEY_NON_NULL(2) + token_type scan_literal(const char_type* literal_text, const std::size_t length, + token_type return_type) + { + JSON_ASSERT(char_traits::to_char_type(current) == literal_text[0]); + for (std::size_t i = 1; i < length; ++i) + { + if (JSON_HEDLEY_UNLIKELY(char_traits::to_char_type(get()) != literal_text[i])) + { + error_message = "invalid literal"; + return token_type::parse_error; + } + } + return return_type; + } - // check if codepoint2 is a low surrogate - if (JSON_HEDLEY_LIKELY(0xDC00 <= codepoint2 && codepoint2 <= 0xDFFF)) - { - // overwrite codepoint - codepoint = static_cast( - // high surrogate occupies the most significant 22 bits - (static_cast(codepoint1) << 10u) - // low surrogate occupies the least significant 15 bits - + static_cast(codepoint2) - // there is still the 0xD800, 0xDC00 and 0x10000 noise - // in the result, so we have to subtract with: - // (0xD800 << 10) + DC00 - 0x10000 = 0x35FDC00 - - 0x35FDC00u); - } - else - { - error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; - return token_type::parse_error; - } - } - else - { - error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; - return token_type::parse_error; - } - } - else - { - if (JSON_HEDLEY_UNLIKELY(0xDC00 <= codepoint1 && codepoint1 <= 0xDFFF)) - { - error_message = "invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF"; - return token_type::parse_error; - } - } + ///////////////////// + // input management + ///////////////////// - // result of the above calculation yields a proper codepoint - JSON_ASSERT(0x00 <= codepoint && codepoint <= 0x10FFFF); + /// reset token_buffer; current character is beginning of token + void reset() noexcept + { + token_buffer.clear(); + token_string.clear(); + decimal_point_position = std::string::npos; + token_string.push_back(char_traits::to_char_type(current)); + } - // translate codepoint into bytes - if (codepoint < 0x80) - { - // 1-byte characters: 0xxxxxxx (ASCII) - add(static_cast(codepoint)); - } - else if (codepoint <= 0x7FF) - { - // 2-byte characters: 110xxxxx 10xxxxxx - add(static_cast(0xC0u | (static_cast(codepoint) >> 6u))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - else if (codepoint <= 0xFFFF) - { - // 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx - add(static_cast(0xE0u | (static_cast(codepoint) >> 12u))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } - else - { - // 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - add(static_cast(0xF0u | (static_cast(codepoint) >> 18u))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 12u) & 0x3Fu))); - add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); - add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); - } + /* + @brief get next character from the input - break; - } + This function provides the interface to the used input adapter. It does + not throw in case the input reached EOF, but returns a + `char_traits::eof()` in that case. Stores the scanned characters + for use in error messages. - // other characters after escape - default: - error_message = "invalid string: forbidden character after backslash"; - return token_type::parse_error; - } + @return character read from the input + */ + char_int_type get() + { + ++position.chars_read_total; + ++position.chars_read_current_line; - break; - } + if (next_unget) + { + // just reset the next_unget variable and work with current + next_unget = false; + } + else + { + current = ia.get_character(); + } - // invalid control characters - case 0x00: - { - error_message = "invalid string: control character U+0000 (NUL) must be escaped to \\u0000"; - return token_type::parse_error; - } + if (JSON_HEDLEY_LIKELY(current != char_traits::eof())) + { + token_string.push_back(char_traits::to_char_type(current)); + } - case 0x01: - { - error_message = "invalid string: control character U+0001 (SOH) must be escaped to \\u0001"; - return token_type::parse_error; - } + if (current == '\n') + { + ++position.lines_read; + position.chars_read_current_line = 0; + } - case 0x02: - { - error_message = "invalid string: control character U+0002 (STX) must be escaped to \\u0002"; - return token_type::parse_error; - } + return current; + } - case 0x03: - { - error_message = "invalid string: control character U+0003 (ETX) must be escaped to \\u0003"; - return token_type::parse_error; - } + /*! + @brief unget current character (read it again on next get) - case 0x04: - { - error_message = "invalid string: control character U+0004 (EOT) must be escaped to \\u0004"; - return token_type::parse_error; - } + We implement unget by setting variable next_unget to true. The input is not + changed - we just simulate ungetting by modifying chars_read_total, + chars_read_current_line, and token_string. The next call to get() will + behave as if the unget character is read again. + */ + void unget() + { + next_unget = true; - case 0x05: - { - error_message = "invalid string: control character U+0005 (ENQ) must be escaped to \\u0005"; - return token_type::parse_error; - } + --position.chars_read_total; - case 0x06: - { - error_message = "invalid string: control character U+0006 (ACK) must be escaped to \\u0006"; - return token_type::parse_error; - } + // in case we "unget" a newline, we have to also decrement the lines_read + if (position.chars_read_current_line == 0) + { + if (position.lines_read > 0) + { + --position.lines_read; + } + } + else + { + --position.chars_read_current_line; + } - case 0x07: - { - error_message = "invalid string: control character U+0007 (BEL) must be escaped to \\u0007"; - return token_type::parse_error; - } + if (JSON_HEDLEY_LIKELY(current != char_traits::eof())) + { + JSON_ASSERT(!token_string.empty()); + token_string.pop_back(); + } + } - case 0x08: - { - error_message = "invalid string: control character U+0008 (BS) must be escaped to \\u0008 or \\b"; - return token_type::parse_error; - } + /// add a character to token_buffer + void add(char_int_type c) + { + token_buffer.push_back(static_cast(c)); + } - case 0x09: - { - error_message = "invalid string: control character U+0009 (HT) must be escaped to \\u0009 or \\t"; - return token_type::parse_error; - } + public: + ///////////////////// + // value getters + ///////////////////// - case 0x0A: - { - error_message = "invalid string: control character U+000A (LF) must be escaped to \\u000A or \\n"; - return token_type::parse_error; - } + /// return integer value + constexpr number_integer_t get_number_integer() const noexcept + { + return value_integer; + } - case 0x0B: - { - error_message = "invalid string: control character U+000B (VT) must be escaped to \\u000B"; - return token_type::parse_error; - } + /// return unsigned integer value + constexpr number_unsigned_t get_number_unsigned() const noexcept + { + return value_unsigned; + } - case 0x0C: - { - error_message = "invalid string: control character U+000C (FF) must be escaped to \\u000C or \\f"; - return token_type::parse_error; - } + /// return floating-point value + constexpr number_float_t get_number_float() const noexcept + { + return value_float; + } - case 0x0D: - { - error_message = "invalid string: control character U+000D (CR) must be escaped to \\u000D or \\r"; - return token_type::parse_error; - } + /// return current string value (implicitly resets the token; useful only once) + string_t& get_string() + { + // translate decimal points from locale back to '.' (#4084) + if (decimal_point_char != '.' && decimal_point_position != std::string::npos) + { + token_buffer[decimal_point_position] = '.'; + } + return token_buffer; + } - case 0x0E: - { - error_message = "invalid string: control character U+000E (SO) must be escaped to \\u000E"; - return token_type::parse_error; - } + ///////////////////// + // diagnostics + ///////////////////// - case 0x0F: - { - error_message = "invalid string: control character U+000F (SI) must be escaped to \\u000F"; - return token_type::parse_error; - } + /// return position of last read token + constexpr position_t get_position() const noexcept + { + return position; + } - case 0x10: - { - error_message = "invalid string: control character U+0010 (DLE) must be escaped to \\u0010"; - return token_type::parse_error; - } + /// return the last read token (for errors only). Will never contain EOF + /// (an arbitrary value that is not a valid char value, often -1), because + /// 255 may legitimately occur. May contain NUL, which should be escaped. + std::string get_token_string() const + { + // escape control characters + std::string result; + for (const auto c : token_string) + { + if (static_cast(c) <= '\x1F') + { + // escape control characters + std::array cs{{}}; + static_cast((std::snprintf)(cs.data(), cs.size(), "", static_cast(c))); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg) + result += cs.data(); + } + else + { + // add character as is + result.push_back(static_cast(c)); + } + } - case 0x11: - { - error_message = "invalid string: control character U+0011 (DC1) must be escaped to \\u0011"; - return token_type::parse_error; - } + return result; + } - case 0x12: - { - error_message = "invalid string: control character U+0012 (DC2) must be escaped to \\u0012"; - return token_type::parse_error; - } + /// return syntax error message + JSON_HEDLEY_RETURNS_NON_NULL + constexpr const char* get_error_message() const noexcept + { + return error_message; + } - case 0x13: - { - error_message = "invalid string: control character U+0013 (DC3) must be escaped to \\u0013"; - return token_type::parse_error; - } + ///////////////////// + // actual scanner + ///////////////////// - case 0x14: - { - error_message = "invalid string: control character U+0014 (DC4) must be escaped to \\u0014"; - return token_type::parse_error; - } + /*! + @brief skip the UTF-8 byte order mark + @return true iff there is no BOM or the correct BOM has been skipped + */ + bool skip_bom() + { + if (get() == 0xEF) + { + // check if we completely parse the BOM + return get() == 0xBB && get() == 0xBF; + } - case 0x15: - { - error_message = "invalid string: control character U+0015 (NAK) must be escaped to \\u0015"; - return token_type::parse_error; - } + // the first character is not the beginning of the BOM; unget it to + // process is later + unget(); + return true; + } - case 0x16: - { - error_message = "invalid string: control character U+0016 (SYN) must be escaped to \\u0016"; - return token_type::parse_error; - } + void skip_whitespace() + { + do + { + get(); + } + while (current == ' ' || current == '\t' || current == '\n' || current == '\r'); + } - case 0x17: - { - error_message = "invalid string: control character U+0017 (ETB) must be escaped to \\u0017"; - return token_type::parse_error; - } + token_type scan() + { + // initially, skip the BOM + if (position.chars_read_total == 0 && !skip_bom()) + { + error_message = "invalid BOM; must be 0xEF 0xBB 0xBF if given"; + return token_type::parse_error; + } - case 0x18: - { - error_message = "invalid string: control character U+0018 (CAN) must be escaped to \\u0018"; - return token_type::parse_error; - } + // read next character and ignore whitespace + skip_whitespace(); - case 0x19: - { - error_message = "invalid string: control character U+0019 (EM) must be escaped to \\u0019"; - return token_type::parse_error; - } + // ignore comments + while (ignore_comments && current == '/') + { + if (!scan_comment()) + { + return token_type::parse_error; + } - case 0x1A: - { - error_message = "invalid string: control character U+001A (SUB) must be escaped to \\u001A"; - return token_type::parse_error; - } + // skip following whitespace + skip_whitespace(); + } - case 0x1B: - { - error_message = "invalid string: control character U+001B (ESC) must be escaped to \\u001B"; - return token_type::parse_error; - } + switch (current) + { + // structural characters + case '[': + return token_type::begin_array; + case ']': + return token_type::end_array; + case '{': + return token_type::begin_object; + case '}': + return token_type::end_object; + case ':': + return token_type::name_separator; + case ',': + return token_type::value_separator; - case 0x1C: - { - error_message = "invalid string: control character U+001C (FS) must be escaped to \\u001C"; - return token_type::parse_error; - } + // literals + case 't': + { + std::array true_literal = {{static_cast('t'), static_cast('r'), static_cast('u'), static_cast('e')}}; + return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true); + } + case 'f': + { + std::array false_literal = {{static_cast('f'), static_cast('a'), static_cast('l'), static_cast('s'), static_cast('e')}}; + return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false); + } + case 'n': + { + std::array null_literal = {{static_cast('n'), static_cast('u'), static_cast('l'), static_cast('l')}}; + return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null); + } - case 0x1D: - { - error_message = "invalid string: control character U+001D (GS) must be escaped to \\u001D"; - return token_type::parse_error; - } + // string + case '\"': + return scan_string(); - case 0x1E: - { - error_message = "invalid string: control character U+001E (RS) must be escaped to \\u001E"; - return token_type::parse_error; - } + // number + case '-': + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + return scan_number(); - case 0x1F: - { - error_message = "invalid string: control character U+001F (US) must be escaped to \\u001F"; - return token_type::parse_error; - } + // end of input (the null byte is needed when parsing from + // string literals) + case '\0': + case char_traits::eof(): + return token_type::end_of_input; - // U+0020..U+007F (except U+0022 (quote) and U+005C (backspace)) - case 0x20: - case 0x21: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: - case 0x28: - case 0x29: - case 0x2A: - case 0x2B: - case 0x2C: - case 0x2D: - case 0x2E: - case 0x2F: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - case 0x38: - case 0x39: - case 0x3A: - case 0x3B: - case 0x3C: - case 0x3D: - case 0x3E: - case 0x3F: - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4A: - case 0x4B: - case 0x4C: - case 0x4D: - case 0x4E: - case 0x4F: - case 0x50: - case 0x51: - case 0x52: - case 0x53: - case 0x54: - case 0x55: - case 0x56: - case 0x57: - case 0x58: - case 0x59: - case 0x5A: - case 0x5B: - case 0x5D: - case 0x5E: - case 0x5F: - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x66: - case 0x67: - case 0x68: - case 0x69: - case 0x6A: - case 0x6B: - case 0x6C: - case 0x6D: - case 0x6E: - case 0x6F: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x76: - case 0x77: - case 0x78: - case 0x79: - case 0x7A: - case 0x7B: - case 0x7C: - case 0x7D: - case 0x7E: - case 0x7F: - { - add(current); - break; - } + // error + default: + error_message = "invalid literal"; + return token_type::parse_error; + } + } - // U+0080..U+07FF: bytes C2..DF 80..BF - case 0xC2: - case 0xC3: - case 0xC4: - case 0xC5: - case 0xC6: - case 0xC7: - case 0xC8: - case 0xC9: - case 0xCA: - case 0xCB: - case 0xCC: - case 0xCD: - case 0xCE: - case 0xCF: - case 0xD0: - case 0xD1: - case 0xD2: - case 0xD3: - case 0xD4: - case 0xD5: - case 0xD6: - case 0xD7: - case 0xD8: - case 0xD9: - case 0xDA: - case 0xDB: - case 0xDC: - case 0xDD: - case 0xDE: - case 0xDF: - { - if (JSON_HEDLEY_UNLIKELY(!next_byte_in_range({0x80, 0xBF}))) - { - return token_type::parse_error; - } - break; - } + private: + /// input adapter + InputAdapterType ia; - // U+0800..U+0FFF: bytes E0 A0..BF 80..BF - case 0xE0: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0xA0, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } + /// whether comments should be ignored (true) or signaled as errors (false) + const bool ignore_comments = false; - // U+1000..U+CFFF: bytes E1..EC 80..BF 80..BF - // U+E000..U+FFFF: bytes EE..EF 80..BF 80..BF - case 0xE1: - case 0xE2: - case 0xE3: - case 0xE4: - case 0xE5: - case 0xE6: - case 0xE7: - case 0xE8: - case 0xE9: - case 0xEA: - case 0xEB: - case 0xEC: - case 0xEE: - case 0xEF: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } + /// the current character + char_int_type current = char_traits::eof(); - // U+D000..U+D7FF: bytes ED 80..9F 80..BF - case 0xED: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x9F, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } + /// whether the next get() call should just return current + bool next_unget = false; - // U+10000..U+3FFFF F0 90..BF 80..BF 80..BF - case 0xF0: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x90, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } + /// the start position of the current token + position_t position {}; - // U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF - case 0xF1: - case 0xF2: - case 0xF3: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } + /// raw input token string (for error messages) + std::vector token_string {}; - // U+100000..U+10FFFF F4 80..8F 80..BF 80..BF - case 0xF4: - { - if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x8F, 0x80, 0xBF, 0x80, 0xBF})))) - { - return token_type::parse_error; - } - break; - } + /// buffer for variable-length tokens (numbers, strings) + string_t token_buffer {}; - // remaining bytes (80..C1 and F5..FF) are ill-formed - default: - { - error_message = "invalid string: ill-formed UTF-8 byte"; - return token_type::parse_error; - } - } - } + /// a description of occurred lexer errors + const char* error_message = ""; + + // number values + number_integer_t value_integer = 0; + number_unsigned_t value_unsigned = 0; + number_float_t value_float = 0; + + /// the decimal point + const char_int_type decimal_point_char = '.'; + /// the position of the decimal point in the input + std::size_t decimal_point_position = std::string::npos; +}; + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + +// #include + +// #include + +NLOHMANN_JSON_NAMESPACE_BEGIN + +/*! +@brief SAX interface + +This class describes the SAX interface used by @ref nlohmann::json::sax_parse. +Each function is called in different situations while the input is parsed. The +boolean return value informs the parser whether to continue processing the +input. +*/ +template +struct json_sax +{ + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + + /*! + @brief a null value was read + @return whether parsing should proceed + */ + virtual bool null() = 0; + + /*! + @brief a boolean value was read + @param[in] val boolean value + @return whether parsing should proceed + */ + virtual bool boolean(bool val) = 0; + + /*! + @brief an integer number was read + @param[in] val integer value + @return whether parsing should proceed + */ + virtual bool number_integer(number_integer_t val) = 0; + + /*! + @brief an unsigned integer number was read + @param[in] val unsigned integer value + @return whether parsing should proceed + */ + virtual bool number_unsigned(number_unsigned_t val) = 0; + + /*! + @brief a floating-point number was read + @param[in] val floating-point value + @param[in] s raw token value + @return whether parsing should proceed + */ + virtual bool number_float(number_float_t val, const string_t& s) = 0; + + /*! + @brief a string value was read + @param[in] val string value + @return whether parsing should proceed + @note It is safe to move the passed string value. + */ + virtual bool string(string_t& val) = 0; + + /*! + @brief a binary value was read + @param[in] val binary value + @return whether parsing should proceed + @note It is safe to move the passed binary value. + */ + virtual bool binary(binary_t& val) = 0; + + /*! + @brief the beginning of an object was read + @param[in] elements number of object elements or -1 if unknown + @return whether parsing should proceed + @note binary formats may report the number of elements + */ + virtual bool start_object(std::size_t elements) = 0; + + /*! + @brief an object key was read + @param[in] val object key + @return whether parsing should proceed + @note It is safe to move the passed string. + */ + virtual bool key(string_t& val) = 0; + + /*! + @brief the end of an object was read + @return whether parsing should proceed + */ + virtual bool end_object() = 0; + + /*! + @brief the beginning of an array was read + @param[in] elements number of array elements or -1 if unknown + @return whether parsing should proceed + @note binary formats may report the number of elements + */ + virtual bool start_array(std::size_t elements) = 0; + + /*! + @brief the end of an array was read + @return whether parsing should proceed + */ + virtual bool end_array() = 0; + + /*! + @brief a parse error occurred + @param[in] position the position in the input where the error occurs + @param[in] last_token the last read token + @param[in] ex an exception object describing the error + @return whether parsing should proceed (must return false) + */ + virtual bool parse_error(std::size_t position, + const std::string& last_token, + const detail::exception& ex) = 0; + + json_sax() = default; + json_sax(const json_sax&) = default; + json_sax(json_sax&&) noexcept = default; + json_sax& operator=(const json_sax&) = default; + json_sax& operator=(json_sax&&) noexcept = default; + virtual ~json_sax() = default; +}; + +namespace detail +{ +constexpr std::size_t unknown_size() +{ + return (std::numeric_limits::max)(); +} + +/*! +@brief SAX implementation to create a JSON value from SAX events + +This class implements the @ref json_sax interface and processes the SAX events +to create a JSON value which makes it basically a DOM parser. The structure or +hierarchy of the JSON value is managed by the stack `ref_stack` which contains +a pointer to the respective array or object for each recursion depth. + +After successful parsing, the value that is passed by reference to the +constructor contains the parsed value. + +@tparam BasicJsonType the JSON type +*/ +template +class json_sax_dom_parser +{ + public: + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + using lexer_t = lexer; + + /*! + @param[in,out] r reference to a JSON value that is manipulated while + parsing + @param[in] allow_exceptions_ whether parse errors yield exceptions + */ + explicit json_sax_dom_parser(BasicJsonType& r, const bool allow_exceptions_ = true, lexer_t* lexer_ = nullptr) + : root(r), allow_exceptions(allow_exceptions_), m_lexer_ref(lexer_) + {} + + // make class move-only + json_sax_dom_parser(const json_sax_dom_parser&) = delete; + json_sax_dom_parser(json_sax_dom_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) + json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete; + json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) + ~json_sax_dom_parser() = default; + + bool null() + { + handle_value(nullptr); + return true; + } + + bool boolean(bool val) + { + handle_value(val); + return true; + } + + bool number_integer(number_integer_t val) + { + handle_value(val); + return true; + } + + bool number_unsigned(number_unsigned_t val) + { + handle_value(val); + return true; } - /*! - * @brief scan a comment - * @return whether comment could be scanned successfully - */ - bool scan_comment() + bool number_float(number_float_t val, const string_t& /*unused*/) { - switch (get()) - { - // single-line comments skip input until a newline or EOF is read - case '/': - { - while (true) - { - switch (get()) - { - case '\n': - case '\r': - case std::char_traits::eof(): - case '\0': - return true; - - default: - break; - } - } - } + handle_value(val); + return true; + } - // multi-line comments skip input until */ is read - case '*': - { - while (true) - { - switch (get()) - { - case std::char_traits::eof(): - case '\0': - { - error_message = "invalid comment; missing closing '*/'"; - return false; - } + bool string(string_t& val) + { + handle_value(val); + return true; + } - case '*': - { - switch (get()) - { - case '/': - return true; + bool binary(binary_t& val) + { + handle_value(std::move(val)); + return true; + } - default: - { - unget(); - continue; - } - } - } + bool start_object(std::size_t len) + { + ref_stack.push_back(handle_value(BasicJsonType::value_t::object)); - default: - continue; - } - } - } +#if JSON_DIAGNOSTIC_POSITIONS + // Manually set the start position of the object here. + // Ensure this is after the call to handle_value to ensure correct start position. + if (m_lexer_ref) + { + // Lexer has read the first character of the object, so + // subtract 1 from the position to get the correct start position. + ref_stack.back()->start_position = m_lexer_ref->get_position() - 1; + } +#endif - // unexpected character after reading '/' - default: - { - error_message = "invalid comment; expecting '/' or '*' after '/'"; - return false; - } + if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size())) + { + JSON_THROW(out_of_range::create(408, concat("excessive object size: ", std::to_string(len)), ref_stack.back())); } + + return true; } - JSON_HEDLEY_NON_NULL(2) - static void strtof(float& f, const char* str, char** endptr) noexcept + bool key(string_t& val) { - f = std::strtof(str, endptr); + JSON_ASSERT(!ref_stack.empty()); + JSON_ASSERT(ref_stack.back()->is_object()); + + // add null at given key and store the reference for later + object_element = &(ref_stack.back()->m_data.m_value.object->operator[](val)); + return true; } - JSON_HEDLEY_NON_NULL(2) - static void strtof(double& f, const char* str, char** endptr) noexcept + bool end_object() { - f = std::strtod(str, endptr); + JSON_ASSERT(!ref_stack.empty()); + JSON_ASSERT(ref_stack.back()->is_object()); + +#if JSON_DIAGNOSTIC_POSITIONS + if (m_lexer_ref) + { + // Lexer's position is past the closing brace, so set that as the end position. + ref_stack.back()->end_position = m_lexer_ref->get_position(); + } +#endif + + ref_stack.back()->set_parents(); + ref_stack.pop_back(); + return true; } - JSON_HEDLEY_NON_NULL(2) - static void strtof(long double& f, const char* str, char** endptr) noexcept + bool start_array(std::size_t len) { - f = std::strtold(str, endptr); - } + ref_stack.push_back(handle_value(BasicJsonType::value_t::array)); - /*! - @brief scan a number literal +#if JSON_DIAGNOSTIC_POSITIONS + // Manually set the start position of the array here. + // Ensure this is after the call to handle_value to ensure correct start position. + if (m_lexer_ref) + { + ref_stack.back()->start_position = m_lexer_ref->get_position() - 1; + } +#endif - This function scans a string according to Sect. 6 of RFC 8259. + if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size())) + { + JSON_THROW(out_of_range::create(408, concat("excessive array size: ", std::to_string(len)), ref_stack.back())); + } - The function is realized with a deterministic finite state machine derived - from the grammar described in RFC 8259. Starting in state "init", the - input is read and used to determined the next state. Only state "done" - accepts the number. State "error" is a trap state to model errors. In the - table below, "anything" means any character but the ones listed before. + return true; + } - state | 0 | 1-9 | e E | + | - | . | anything - ---------|----------|----------|----------|---------|---------|----------|----------- - init | zero | any1 | [error] | [error] | minus | [error] | [error] - minus | zero | any1 | [error] | [error] | [error] | [error] | [error] - zero | done | done | exponent | done | done | decimal1 | done - any1 | any1 | any1 | exponent | done | done | decimal1 | done - decimal1 | decimal2 | decimal2 | [error] | [error] | [error] | [error] | [error] - decimal2 | decimal2 | decimal2 | exponent | done | done | done | done - exponent | any2 | any2 | [error] | sign | sign | [error] | [error] - sign | any2 | any2 | [error] | [error] | [error] | [error] | [error] - any2 | any2 | any2 | done | done | done | done | done + bool end_array() + { + JSON_ASSERT(!ref_stack.empty()); + JSON_ASSERT(ref_stack.back()->is_array()); - The state machine is realized with one label per state (prefixed with - "scan_number_") and `goto` statements between them. The state machine - contains cycles, but any cycle can be left when EOF is read. Therefore, - the function is guaranteed to terminate. +#if JSON_DIAGNOSTIC_POSITIONS + if (m_lexer_ref) + { + // Lexer's position is past the closing bracket, so set that as the end position. + ref_stack.back()->end_position = m_lexer_ref->get_position(); + } +#endif - During scanning, the read bytes are stored in token_buffer. This string is - then converted to a signed integer, an unsigned integer, or a - floating-point number. + ref_stack.back()->set_parents(); + ref_stack.pop_back(); + return true; + } - @return token_type::value_unsigned, token_type::value_integer, or - token_type::value_float if number could be successfully scanned, - token_type::parse_error otherwise + template + bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, + const Exception& ex) + { + errored = true; + static_cast(ex); + if (allow_exceptions) + { + JSON_THROW(ex); + } + return false; + } - @note The scanner is independent of the current locale. Internally, the - locale's decimal point is used instead of `.` to work with the - locale-dependent converters. - */ - token_type scan_number() // lgtm [cpp/use-of-goto] + constexpr bool is_errored() const { - // reset token_buffer to store the number's bytes - reset(); + return errored; + } - // the type of the parsed number; initially set to unsigned; will be - // changed if minus sign, decimal point or exponent is read - token_type number_type = token_type::value_unsigned; + private: - // state (init): we just found out we need to scan a number - switch (current) +#if JSON_DIAGNOSTIC_POSITIONS + void handle_diagnostic_positions_for_json_value(BasicJsonType& v) + { + if (m_lexer_ref) { - case '-': - { - add(current); - goto scan_number_minus; - } + // Lexer has read past the current field value, so set the end position to the current position. + // The start position will be set below based on the length of the string representation + // of the value. + v.end_position = m_lexer_ref->get_position(); - case '0': + switch (v.type()) { - add(current); - goto scan_number_zero; - } + case value_t::boolean: + { + // 4 and 5 are the string length of "true" and "false" + v.start_position = v.end_position - (v.m_data.m_value.boolean ? 4 : 5); + break; + } - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; + case value_t::null: + { + // 4 is the string length of "null" + v.start_position = v.end_position - 4; + break; + } + + case value_t::string: + { + // include the length of the quotes, which is 2 + v.start_position = v.end_position - v.m_data.m_value.string->size() - 2; + break; + } + + // As we handle the start and end positions for values created during parsing, + // we do not expect the following value type to be called. Regardless, set the positions + // in case this is created manually or through a different constructor. Exclude from lcov + // since the exact condition of this switch is esoteric. + // LCOV_EXCL_START + case value_t::discarded: + { + v.end_position = std::string::npos; + v.start_position = v.end_position; + break; + } + // LCOV_EXCL_STOP + case value_t::binary: + case value_t::number_integer: + case value_t::number_unsigned: + case value_t::number_float: + { + v.start_position = v.end_position - m_lexer_ref->get_string().size(); + break; + } + case value_t::object: + case value_t::array: + { + // object and array are handled in start_object() and start_array() handlers + // skip setting the values here. + break; + } + default: // LCOV_EXCL_LINE + // Handle all possible types discretely, default handler should never be reached. + JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert,-warnings-as-errors) LCOV_EXCL_LINE } + } + } +#endif + + /*! + @invariant If the ref stack is empty, then the passed value will be the new + root. + @invariant If the ref stack contains a value, then it is an array or an + object to which we can add elements + */ + template + JSON_HEDLEY_RETURNS_NON_NULL + BasicJsonType* handle_value(Value&& v) + { + if (ref_stack.empty()) + { + root = BasicJsonType(std::forward(v)); - // all other characters are rejected outside scan_number() - default: // LCOV_EXCL_LINE - JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE +#if JSON_DIAGNOSTIC_POSITIONS + handle_diagnostic_positions_for_json_value(root); +#endif + + return &root; } -scan_number_minus: - // state: we just parsed a leading minus sign - number_type = token_type::value_integer; - switch (get()) + JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); + + if (ref_stack.back()->is_array()) { - case '0': - { - add(current); - goto scan_number_zero; - } + ref_stack.back()->m_data.m_value.array->emplace_back(std::forward(v)); - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } +#if JSON_DIAGNOSTIC_POSITIONS + handle_diagnostic_positions_for_json_value(ref_stack.back()->m_data.m_value.array->back()); +#endif - default: - { - error_message = "invalid number; expected digit after '-'"; - return token_type::parse_error; - } + return &(ref_stack.back()->m_data.m_value.array->back()); } -scan_number_zero: - // state: we just parse a zero (maybe with a leading minus sign) - switch (get()) - { - case '.': - { - add(decimal_point_char); - goto scan_number_decimal1; - } + JSON_ASSERT(ref_stack.back()->is_object()); + JSON_ASSERT(object_element); + *object_element = BasicJsonType(std::forward(v)); - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } +#if JSON_DIAGNOSTIC_POSITIONS + handle_diagnostic_positions_for_json_value(*object_element); +#endif - default: - goto scan_number_done; - } + return object_element; + } -scan_number_any1: - // state: we just parsed a number 0-9 (maybe with a leading minus sign) - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any1; - } + /// the parsed JSON value + BasicJsonType& root; + /// stack to model hierarchy of values + std::vector ref_stack {}; + /// helper to hold the reference for the next object element + BasicJsonType* object_element = nullptr; + /// whether a syntax error occurred + bool errored = false; + /// whether to throw exceptions in case of errors + const bool allow_exceptions = true; + /// the lexer reference to obtain the current position + lexer_t* m_lexer_ref = nullptr; +}; - case '.': - { - add(decimal_point_char); - goto scan_number_decimal1; - } +template +class json_sax_dom_callback_parser +{ + public: + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + using parser_callback_t = typename BasicJsonType::parser_callback_t; + using parse_event_t = typename BasicJsonType::parse_event_t; + using lexer_t = lexer; - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } + json_sax_dom_callback_parser(BasicJsonType& r, + parser_callback_t cb, + const bool allow_exceptions_ = true, + lexer_t* lexer_ = nullptr) + : root(r), callback(std::move(cb)), allow_exceptions(allow_exceptions_), m_lexer_ref(lexer_) + { + keep_stack.push_back(true); + } - default: - goto scan_number_done; - } + // make class move-only + json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete; + json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) + json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete; + json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor) + ~json_sax_dom_callback_parser() = default; -scan_number_decimal1: - // state: we just parsed a decimal point - number_type = token_type::value_float; - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_decimal2; - } + bool null() + { + handle_value(nullptr); + return true; + } - default: - { - error_message = "invalid number; expected digit after '.'"; - return token_type::parse_error; - } - } + bool boolean(bool val) + { + handle_value(val); + return true; + } -scan_number_decimal2: - // we just parsed at least one number after a decimal point - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_decimal2; - } + bool number_integer(number_integer_t val) + { + handle_value(val); + return true; + } - case 'e': - case 'E': - { - add(current); - goto scan_number_exponent; - } + bool number_unsigned(number_unsigned_t val) + { + handle_value(val); + return true; + } - default: - goto scan_number_done; - } + bool number_float(number_float_t val, const string_t& /*unused*/) + { + handle_value(val); + return true; + } -scan_number_exponent: - // we just parsed an exponent - number_type = token_type::value_float; - switch (get()) - { - case '+': - case '-': - { - add(current); - goto scan_number_sign; - } + bool string(string_t& val) + { + handle_value(val); + return true; + } - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } + bool binary(binary_t& val) + { + handle_value(std::move(val)); + return true; + } - default: - { - error_message = - "invalid number; expected '+', '-', or digit after exponent"; - return token_type::parse_error; - } - } + bool start_object(std::size_t len) + { + // check callback for object start + const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::object_start, discarded); + keep_stack.push_back(keep); + + auto val = handle_value(BasicJsonType::value_t::object, true); + ref_stack.push_back(val.second); -scan_number_sign: - // we just parsed an exponent sign - switch (get()) + if (ref_stack.back()) { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - add(current); - goto scan_number_any2; - } - default: +#if JSON_DIAGNOSTIC_POSITIONS + // Manually set the start position of the object here. + // Ensure this is after the call to handle_value to ensure correct start position. + if (m_lexer_ref) { - error_message = "invalid number; expected digit after exponent sign"; - return token_type::parse_error; + // Lexer has read the first character of the object, so + // subtract 1 from the position to get the correct start position. + ref_stack.back()->start_position = m_lexer_ref->get_position() - 1; } - } +#endif -scan_number_any2: - // we just parsed a number after the exponent or exponent sign - switch (get()) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': + // check object limit + if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size())) { - add(current); - goto scan_number_any2; + JSON_THROW(out_of_range::create(408, concat("excessive object size: ", std::to_string(len)), ref_stack.back())); } - - default: - goto scan_number_done; } + return true; + } -scan_number_done: - // unget the character after the number (we only read it to know that - // we are done scanning a number) - unget(); + bool key(string_t& val) + { + BasicJsonType k = BasicJsonType(val); - char* endptr = nullptr; // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg) - errno = 0; + // check callback for key + const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::key, k); + key_keep_stack.push_back(keep); - // try to parse integers first and fall back to floats - if (number_type == token_type::value_unsigned) + // add discarded value at given key and store the reference for later + if (keep && ref_stack.back()) { - const auto x = std::strtoull(token_buffer.data(), &endptr, 10); + object_element = &(ref_stack.back()->m_data.m_value.object->operator[](val) = discarded); + } - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); + return true; + } - if (errno == 0) - { - value_unsigned = static_cast(x); - if (value_unsigned == x) - { - return token_type::value_unsigned; - } - } - } - else if (number_type == token_type::value_integer) + bool end_object() + { + if (ref_stack.back()) { - const auto x = std::strtoll(token_buffer.data(), &endptr, 10); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); + if (!callback(static_cast(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back())) + { + // discard object + *ref_stack.back() = discarded; - if (errno == 0) +#if JSON_DIAGNOSTIC_POSITIONS + // Set start/end positions for discarded object. + handle_diagnostic_positions_for_json_value(*ref_stack.back()); +#endif + } + else { - value_integer = static_cast(x); - if (value_integer == x) + +#if JSON_DIAGNOSTIC_POSITIONS + if (m_lexer_ref) { - return token_type::value_integer; + // Lexer's position is past the closing brace, so set that as the end position. + ref_stack.back()->end_position = m_lexer_ref->get_position(); } +#endif + + ref_stack.back()->set_parents(); } } - // this code is reached if we parse a floating-point number or if an - // integer conversion above failed - strtof(value_float, token_buffer.data(), &endptr); - - // we checked the number format before - JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - - return token_type::value_float; - } + JSON_ASSERT(!ref_stack.empty()); + JSON_ASSERT(!keep_stack.empty()); + ref_stack.pop_back(); + keep_stack.pop_back(); - /*! - @param[in] literal_text the literal text to expect - @param[in] length the length of the passed literal text - @param[in] return_type the token type to return on success - */ - JSON_HEDLEY_NON_NULL(2) - token_type scan_literal(const char_type* literal_text, const std::size_t length, - token_type return_type) - { - JSON_ASSERT(std::char_traits::to_char_type(current) == literal_text[0]); - for (std::size_t i = 1; i < length; ++i) + if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured()) { - if (JSON_HEDLEY_UNLIKELY(std::char_traits::to_char_type(get()) != literal_text[i])) + // remove discarded value + for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it) { - error_message = "invalid literal"; - return token_type::parse_error; + if (it->is_discarded()) + { + ref_stack.back()->erase(it); + break; + } } } - return return_type; - } - - ///////////////////// - // input management - ///////////////////// - /// reset token_buffer; current character is beginning of token - void reset() noexcept - { - token_buffer.clear(); - token_string.clear(); - token_string.push_back(std::char_traits::to_char_type(current)); + return true; } - /* - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a - `std::char_traits::eof()` in that case. Stores the scanned characters - for use in error messages. - - @return character read from the input - */ - char_int_type get() + bool start_array(std::size_t len) { - ++position.chars_read_total; - ++position.chars_read_current_line; + const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::array_start, discarded); + keep_stack.push_back(keep); - if (next_unget) - { - // just reset the next_unget variable and work with current - next_unget = false; - } - else - { - current = ia.get_character(); - } + auto val = handle_value(BasicJsonType::value_t::array, true); + ref_stack.push_back(val.second); - if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) + if (ref_stack.back()) { - token_string.push_back(std::char_traits::to_char_type(current)); - } - if (current == '\n') - { - ++position.lines_read; - position.chars_read_current_line = 0; +#if JSON_DIAGNOSTIC_POSITIONS + // Manually set the start position of the array here. + // Ensure this is after the call to handle_value to ensure correct start position. + if (m_lexer_ref) + { + // Lexer has read the first character of the array, so + // subtract 1 from the position to get the correct start position. + ref_stack.back()->start_position = m_lexer_ref->get_position() - 1; + } +#endif + + // check array limit + if (JSON_HEDLEY_UNLIKELY(len != detail::unknown_size() && len > ref_stack.back()->max_size())) + { + JSON_THROW(out_of_range::create(408, concat("excessive array size: ", std::to_string(len)), ref_stack.back())); + } } - return current; + return true; } - /*! - @brief unget current character (read it again on next get) - - We implement unget by setting variable next_unget to true. The input is not - changed - we just simulate ungetting by modifying chars_read_total, - chars_read_current_line, and token_string. The next call to get() will - behave as if the unget character is read again. - */ - void unget() + bool end_array() { - next_unget = true; - - --position.chars_read_total; + bool keep = true; - // in case we "unget" a newline, we have to also decrement the lines_read - if (position.chars_read_current_line == 0) + if (ref_stack.back()) { - if (position.lines_read > 0) + keep = callback(static_cast(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back()); + if (keep) { - --position.lines_read; - } - } - else - { - --position.chars_read_current_line; - } - if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) - { - JSON_ASSERT(!token_string.empty()); - token_string.pop_back(); - } - } +#if JSON_DIAGNOSTIC_POSITIONS + if (m_lexer_ref) + { + // Lexer's position is past the closing bracket, so set that as the end position. + ref_stack.back()->end_position = m_lexer_ref->get_position(); + } +#endif - /// add a character to token_buffer - void add(char_int_type c) - { - token_buffer.push_back(static_cast(c)); - } + ref_stack.back()->set_parents(); + } + else + { + // discard array + *ref_stack.back() = discarded; - public: - ///////////////////// - // value getters - ///////////////////// +#if JSON_DIAGNOSTIC_POSITIONS + // Set start/end positions for discarded array. + handle_diagnostic_positions_for_json_value(*ref_stack.back()); +#endif + } + } - /// return integer value - constexpr number_integer_t get_number_integer() const noexcept - { - return value_integer; - } + JSON_ASSERT(!ref_stack.empty()); + JSON_ASSERT(!keep_stack.empty()); + ref_stack.pop_back(); + keep_stack.pop_back(); - /// return unsigned integer value - constexpr number_unsigned_t get_number_unsigned() const noexcept - { - return value_unsigned; - } + // remove discarded value + if (!keep && !ref_stack.empty() && ref_stack.back()->is_array()) + { + ref_stack.back()->m_data.m_value.array->pop_back(); + } - /// return floating-point value - constexpr number_float_t get_number_float() const noexcept - { - return value_float; + return true; } - /// return current string value (implicitly resets the token; useful only once) - string_t& get_string() + template + bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, + const Exception& ex) { - return token_buffer; + errored = true; + static_cast(ex); + if (allow_exceptions) + { + JSON_THROW(ex); + } + return false; } - ///////////////////// - // diagnostics - ///////////////////// - - /// return position of last read token - constexpr position_t get_position() const noexcept + constexpr bool is_errored() const { - return position; + return errored; } - /// return the last read token (for errors only). Will never contain EOF - /// (an arbitrary value that is not a valid char value, often -1), because - /// 255 may legitimately occur. May contain NUL, which should be escaped. - std::string get_token_string() const + private: + +#if JSON_DIAGNOSTIC_POSITIONS + void handle_diagnostic_positions_for_json_value(BasicJsonType& v) { - // escape control characters - std::string result; - for (const auto c : token_string) + if (m_lexer_ref) { - if (static_cast(c) <= '\x1F') - { - // escape control characters - std::array cs{{}}; - static_cast((std::snprintf)(cs.data(), cs.size(), "", static_cast(c))); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg) - result += cs.data(); - } - else + // Lexer has read past the current field value, so set the end position to the current position. + // The start position will be set below based on the length of the string representation + // of the value. + v.end_position = m_lexer_ref->get_position(); + + switch (v.type()) { - // add character as is - result.push_back(static_cast(c)); + case value_t::boolean: + { + // 4 and 5 are the string length of "true" and "false" + v.start_position = v.end_position - (v.m_data.m_value.boolean ? 4 : 5); + break; + } + + case value_t::null: + { + // 4 is the string length of "null" + v.start_position = v.end_position - 4; + break; + } + + case value_t::string: + { + // include the length of the quotes, which is 2 + v.start_position = v.end_position - v.m_data.m_value.string->size() - 2; + break; + } + + case value_t::discarded: + { + v.end_position = std::string::npos; + v.start_position = v.end_position; + break; + } + + case value_t::binary: + case value_t::number_integer: + case value_t::number_unsigned: + case value_t::number_float: + { + v.start_position = v.end_position - m_lexer_ref->get_string().size(); + break; + } + + case value_t::object: + case value_t::array: + { + // object and array are handled in start_object() and start_array() handlers + // skip setting the values here. + break; + } + default: // LCOV_EXCL_LINE + // Handle all possible types discretely, default handler should never be reached. + JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert,-warnings-as-errors) LCOV_EXCL_LINE } } - - return result; } +#endif - /// return syntax error message - JSON_HEDLEY_RETURNS_NON_NULL - constexpr const char* get_error_message() const noexcept - { - return error_message; - } + /*! + @param[in] v value to add to the JSON value we build during parsing + @param[in] skip_callback whether we should skip calling the callback + function; this is required after start_array() and + start_object() SAX events, because otherwise we would call the + callback function with an empty array or object, respectively. - ///////////////////// - // actual scanner - ///////////////////// + @invariant If the ref stack is empty, then the passed value will be the new + root. + @invariant If the ref stack contains a value, then it is an array or an + object to which we can add elements - /*! - @brief skip the UTF-8 byte order mark - @return true iff there is no BOM or the correct BOM has been skipped + @return pair of boolean (whether value should be kept) and pointer (to the + passed value in the ref_stack hierarchy; nullptr if not kept) */ - bool skip_bom() + template + std::pair handle_value(Value&& v, const bool skip_callback = false) { - if (get() == 0xEF) + JSON_ASSERT(!keep_stack.empty()); + + // do not handle this value if we know it would be added to a discarded + // container + if (!keep_stack.back()) { - // check if we completely parse the BOM - return get() == 0xBB && get() == 0xBF; + return {false, nullptr}; } - // the first character is not the beginning of the BOM; unget it to - // process is later - unget(); - return true; - } + // create value + auto value = BasicJsonType(std::forward(v)); - void skip_whitespace() - { - do +#if JSON_DIAGNOSTIC_POSITIONS + handle_diagnostic_positions_for_json_value(value); +#endif + + // check callback + const bool keep = skip_callback || callback(static_cast(ref_stack.size()), parse_event_t::value, value); + + // do not handle this value if we just learnt it shall be discarded + if (!keep) { - get(); + return {false, nullptr}; } - while (current == ' ' || current == '\t' || current == '\n' || current == '\r'); - } - token_type scan() - { - // initially, skip the BOM - if (position.chars_read_total == 0 && !skip_bom()) + if (ref_stack.empty()) { - error_message = "invalid BOM; must be 0xEF 0xBB 0xBF if given"; - return token_type::parse_error; + root = std::move(value); + return {true, & root}; } - // read next character and ignore whitespace - skip_whitespace(); - - // ignore comments - while (ignore_comments && current == '/') + // skip this value if we already decided to skip the parent + // (https://github.com/nlohmann/json/issues/971#issuecomment-413678360) + if (!ref_stack.back()) { - if (!scan_comment()) - { - return token_type::parse_error; - } + return {false, nullptr}; + } - // skip following whitespace - skip_whitespace(); + // we now only expect arrays and objects + JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); + + // array + if (ref_stack.back()->is_array()) + { + ref_stack.back()->m_data.m_value.array->emplace_back(std::move(value)); + return {true, & (ref_stack.back()->m_data.m_value.array->back())}; } - switch (current) + // object + JSON_ASSERT(ref_stack.back()->is_object()); + // check if we should store an element for the current key + JSON_ASSERT(!key_keep_stack.empty()); + const bool store_element = key_keep_stack.back(); + key_keep_stack.pop_back(); + + if (!store_element) { - // structural characters - case '[': - return token_type::begin_array; - case ']': - return token_type::end_array; - case '{': - return token_type::begin_object; - case '}': - return token_type::end_object; - case ':': - return token_type::name_separator; - case ',': - return token_type::value_separator; + return {false, nullptr}; + } - // literals - case 't': - { - std::array true_literal = {{static_cast('t'), static_cast('r'), static_cast('u'), static_cast('e')}}; - return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true); - } - case 'f': - { - std::array false_literal = {{static_cast('f'), static_cast('a'), static_cast('l'), static_cast('s'), static_cast('e')}}; - return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false); - } - case 'n': - { - std::array null_literal = {{static_cast('n'), static_cast('u'), static_cast('l'), static_cast('l')}}; - return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null); - } + JSON_ASSERT(object_element); + *object_element = std::move(value); + return {true, object_element}; + } - // string - case '\"': - return scan_string(); + /// the parsed JSON value + BasicJsonType& root; + /// stack to model hierarchy of values + std::vector ref_stack {}; + /// stack to manage which values to keep + std::vector keep_stack {}; // NOLINT(readability-redundant-member-init) + /// stack to manage which object keys to keep + std::vector key_keep_stack {}; // NOLINT(readability-redundant-member-init) + /// helper to hold the reference for the next object element + BasicJsonType* object_element = nullptr; + /// whether a syntax error occurred + bool errored = false; + /// callback function + const parser_callback_t callback = nullptr; + /// whether to throw exceptions in case of errors + const bool allow_exceptions = true; + /// a discarded value for the callback + BasicJsonType discarded = BasicJsonType::value_t::discarded; + /// the lexer reference to obtain the current position + lexer_t* m_lexer_ref = nullptr; +}; - // number - case '-': - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - return scan_number(); +template +class json_sax_acceptor +{ + public: + using number_integer_t = typename BasicJsonType::number_integer_t; + using number_unsigned_t = typename BasicJsonType::number_unsigned_t; + using number_float_t = typename BasicJsonType::number_float_t; + using string_t = typename BasicJsonType::string_t; + using binary_t = typename BasicJsonType::binary_t; + + bool null() + { + return true; + } - // end of input (the null byte is needed when parsing from - // string literals) - case '\0': - case std::char_traits::eof(): - return token_type::end_of_input; + bool boolean(bool /*unused*/) + { + return true; + } - // error - default: - error_message = "invalid literal"; - return token_type::parse_error; - } + bool number_integer(number_integer_t /*unused*/) + { + return true; } - private: - /// input adapter - InputAdapterType ia; + bool number_unsigned(number_unsigned_t /*unused*/) + { + return true; + } - /// whether comments should be ignored (true) or signaled as errors (false) - const bool ignore_comments = false; + bool number_float(number_float_t /*unused*/, const string_t& /*unused*/) + { + return true; + } - /// the current character - char_int_type current = std::char_traits::eof(); + bool string(string_t& /*unused*/) + { + return true; + } - /// whether the next get() call should just return current - bool next_unget = false; + bool binary(binary_t& /*unused*/) + { + return true; + } - /// the start position of the current token - position_t position {}; + bool start_object(std::size_t /*unused*/ = detail::unknown_size()) + { + return true; + } - /// raw input token string (for error messages) - std::vector token_string {}; + bool key(string_t& /*unused*/) + { + return true; + } - /// buffer for variable-length tokens (numbers, strings) - string_t token_buffer {}; + bool end_object() + { + return true; + } - /// a description of occurred lexer errors - const char* error_message = ""; + bool start_array(std::size_t /*unused*/ = detail::unknown_size()) + { + return true; + } - // number values - number_integer_t value_integer = 0; - number_unsigned_t value_unsigned = 0; - number_float_t value_float = 0; + bool end_array() + { + return true; + } - /// the decimal point - const char_int_type decimal_point_char = '.'; + bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const detail::exception& /*unused*/) + { + return false; + } }; } // namespace detail NLOHMANN_JSON_NAMESPACE_END +// #include + // #include // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -9129,7 +9834,6 @@ static inline bool little_endianness(int num = 1) noexcept return *reinterpret_cast(&num) == 1; } - /////////////////// // binary reader // /////////////////// @@ -9137,7 +9841,7 @@ static inline bool little_endianness(int num = 1) noexcept /*! @brief deserialization of CBOR, MessagePack, and UBJSON values */ -template> +template> class binary_reader { using number_integer_t = typename BasicJsonType::number_integer_t; @@ -9147,7 +9851,7 @@ class binary_reader using binary_t = typename BasicJsonType::binary_t; using json_sax_t = SAX; using char_type = typename InputAdapterType::char_type; - using char_int_type = typename std::char_traits::int_type; + using char_int_type = typename char_traits::int_type; public: /*! @@ -9220,7 +9924,7 @@ class binary_reader get(); } - if (JSON_HEDLEY_UNLIKELY(current != std::char_traits::eof())) + if (JSON_HEDLEY_UNLIKELY(current != char_traits::eof())) { return sax->parse_error(chars_read, get_token_string(), parse_error::create(110, chars_read, exception_message(input_format, concat("expected end of input; last byte: 0x", get_token_string()), "value"), nullptr)); @@ -9244,7 +9948,7 @@ class binary_reader std::int32_t document_size{}; get_number(input_format_t::bson, document_size); - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(static_cast(-1)))) + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(detail::unknown_size()))) { return false; } @@ -9303,7 +10007,7 @@ class binary_reader exception_message(input_format_t::bson, concat("string length must be at least 1, is ", std::to_string(len)), "string"), nullptr)); } - return get_string(input_format_t::bson, len - static_cast(1), result) && get() != std::char_traits::eof(); + return get_string(input_format_t::bson, len - static_cast(1), result) && get() != char_traits::eof(); } /*! @@ -9400,11 +10104,17 @@ class binary_reader return get_number(input_format_t::bson, value) && sax->number_integer(value); } + case 0x11: // uint64 + { + std::uint64_t value{}; + return get_number(input_format_t::bson, value) && sax->number_unsigned(value); + } + default: // anything else not supported (yet) { std::array cr{{}}; static_cast((std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(element_type))); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg) - std::string cr_str{cr.data()}; + const std::string cr_str{cr.data()}; return sax->parse_error(element_type_parse_position, cr_str, parse_error::create(114, element_type_parse_position, concat("Unsupported BSON record type 0x", cr_str), nullptr)); } @@ -9466,7 +10176,7 @@ class binary_reader std::int32_t document_size{}; get_number(input_format_t::bson, document_size); - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(static_cast(-1)))) + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(detail::unknown_size()))) { return false; } @@ -9497,7 +10207,7 @@ class binary_reader switch (get_char ? get() : current) { // EOF - case std::char_traits::eof(): + case char_traits::eof(): return unexpect_eof(input_format_t::cbor, "value"); // Integer 0x00..0x17 (0..23) @@ -9726,7 +10436,7 @@ class binary_reader } case 0x9F: // array (indefinite length) - return get_cbor_array(static_cast(-1), tag_handler); + return get_cbor_array(detail::unknown_size(), tag_handler); // map (0x00..0x17 pairs of data items follow) case 0xA0: @@ -9780,7 +10490,7 @@ class binary_reader } case 0xBF: // map (indefinite length) - return get_cbor_object(static_cast(-1), tag_handler); + return get_cbor_object(detail::unknown_size(), tag_handler); case 0xC6: // tagged item case 0xC7: @@ -10168,7 +10878,7 @@ class binary_reader } /*! - @param[in] len the length of the array or static_cast(-1) for an + @param[in] len the length of the array or detail::unknown_size() for an array of indefinite size @param[in] tag_handler how CBOR tags should be treated @return whether array creation completed @@ -10181,7 +10891,7 @@ class binary_reader return false; } - if (len != static_cast(-1)) + if (len != detail::unknown_size()) { for (std::size_t i = 0; i < len; ++i) { @@ -10206,7 +10916,7 @@ class binary_reader } /*! - @param[in] len the length of the object or static_cast(-1) for an + @param[in] len the length of the object or detail::unknown_size() for an object of indefinite size @param[in] tag_handler how CBOR tags should be treated @return whether object creation completed @@ -10222,7 +10932,7 @@ class binary_reader if (len != 0) { string_t key; - if (len != static_cast(-1)) + if (len != detail::unknown_size()) { for (std::size_t i = 0; i < len; ++i) { @@ -10272,7 +10982,7 @@ class binary_reader switch (get()) { // EOF - case std::char_traits::eof(): + case char_traits::eof(): return unexpect_eof(input_format_t::msgpack, "value"); // positive fixint @@ -11227,7 +11937,7 @@ class binary_reader } if (is_ndarray) // ndarray dimensional vector can only contain integers, and can not embed another array { - return sax->parse_error(chars_read, get_token_string(), parse_error::create(113, chars_read, exception_message(input_format, "ndarray dimentional vector is not allowed", "size"), nullptr)); + return sax->parse_error(chars_read, get_token_string(), parse_error::create(113, chars_read, exception_message(input_format, "ndarray dimensional vector is not allowed", "size"), nullptr)); } std::vector dim; if (JSON_HEDLEY_UNLIKELY(!get_ubjson_ndarray_size(dim))) @@ -11339,7 +12049,7 @@ class binary_reader exception_message(input_format, concat("expected '#' after type information; last byte: 0x", last_token), "size"), nullptr)); } - bool is_error = get_ubjson_size_value(result.first, is_ndarray); + const bool is_error = get_ubjson_size_value(result.first, is_ndarray); if (input_format == input_format_t::bjdata && is_ndarray) { if (inside_ndarray) @@ -11354,7 +12064,7 @@ class binary_reader if (current == '#') { - bool is_error = get_ubjson_size_value(result.first, is_ndarray); + const bool is_error = get_ubjson_size_value(result.first, is_ndarray); if (input_format == input_format_t::bjdata && is_ndarray) { return sax->parse_error(chars_read, get_token_string(), parse_error::create(112, chars_read, @@ -11374,7 +12084,7 @@ class binary_reader { switch (prefix) { - case std::char_traits::eof(): // EOF + case char_traits::eof(): // EOF return unexpect_eof(input_format, "value"); case 'T': // true @@ -11385,6 +12095,16 @@ class binary_reader case 'Z': // null return sax->null(); + case 'B': // byte + { + if (input_format != input_format_t::bjdata) + { + break; + } + std::uint8_t number{}; + return get_number(input_format, number) && sax->number_unsigned(number); + } + case 'U': { std::uint8_t number{}; @@ -11585,7 +12305,7 @@ class binary_reader return false; } - if (size_and_type.second == 'C') + if (size_and_type.second == 'C' || size_and_type.second == 'B') { size_and_type.second = 'U'; } @@ -11607,6 +12327,13 @@ class binary_reader return (sax->end_array() && sax->end_object()); } + // If BJData type marker is 'B' decode as binary + if (input_format == input_format_t::bjdata && size_and_type.first != npos && size_and_type.second == 'B') + { + binary_t result; + return get_binary(input_format, size_and_type.first, result) && sax->binary(result); + } + if (size_and_type.first != npos) { if (JSON_HEDLEY_UNLIKELY(!sax->start_array(size_and_type.first))) @@ -11640,7 +12367,7 @@ class binary_reader } else { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(static_cast(-1)))) + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(detail::unknown_size()))) { return false; } @@ -11718,7 +12445,7 @@ class binary_reader } else { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(static_cast(-1)))) + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(detail::unknown_size()))) { return false; } @@ -11819,7 +12546,7 @@ class binary_reader This function provides the interface to the used input adapter. It does not throw in case the input reached EOF, but returns a -'ve valued - `std::char_traits::eof()` in that case. + `char_traits::eof()` in that case. @return character read from the input */ @@ -11829,6 +12556,29 @@ class binary_reader return current = ia.get_character(); } + /*! + @brief get_to read into a primitive type + + This function provides the interface to the used input adapter. It does + not throw in case the input reached EOF, but returns false instead + + @return bool, whether the read was successful + */ + template + bool get_to(T& dest, const input_format_t format, const char* context) + { + auto new_chars_read = ia.get_elements(&dest); + chars_read += new_chars_read; + if (JSON_HEDLEY_UNLIKELY(new_chars_read < sizeof(T))) + { + // in case of failure, advance position by 1 to report failing location + ++chars_read; + sax->parse_error(chars_read, "", parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context), nullptr)); + return false; + } + return true; + } + /*! @return character read from the input after ignoring all 'N' entries */ @@ -11843,6 +12593,28 @@ class binary_reader return current; } + template + static void byte_swap(NumberType& number) + { + constexpr std::size_t sz = sizeof(number); +#ifdef __cpp_lib_byteswap + if constexpr (sz == 1) + { + return; + } + if constexpr(std::is_integral_v) + { + number = std::byteswap(number); + return; + } +#endif + auto* ptr = reinterpret_cast(&number); + for (std::size_t i = 0; i < sz / 2; ++i) + { + std::swap(ptr[i], ptr[sz - i - 1]); + } + } + /* @brief read a number from the input @@ -11861,29 +12633,16 @@ class binary_reader template bool get_number(const input_format_t format, NumberType& result) { - // step 1: read input into array with system's byte order - std::array vec{}; - for (std::size_t i = 0; i < sizeof(NumberType); ++i) - { - get(); - if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "number"))) - { - return false; - } + // read in the original format - // reverse byte order prior to conversion if necessary - if (is_little_endian != (InputIsLittleEndian || format == input_format_t::bjdata)) - { - vec[sizeof(NumberType) - i - 1] = static_cast(current); - } - else - { - vec[i] = static_cast(current); // LCOV_EXCL_LINE - } + if (JSON_HEDLEY_UNLIKELY(!get_to(result, format, "number"))) + { + return false; + } + if (is_little_endian != (InputIsLittleEndian || format == input_format_t::bjdata)) + { + byte_swap(result); } - - // step 2: convert array into number of type T and return - std::memcpy(&result, vec.data(), sizeof(NumberType)); return true; } @@ -11961,7 +12720,7 @@ class binary_reader JSON_HEDLEY_NON_NULL(3) bool unexpect_eof(const input_format_t format, const char* context) const { - if (JSON_HEDLEY_UNLIKELY(current == std::char_traits::eof())) + if (JSON_HEDLEY_UNLIKELY(current == char_traits::eof())) { return sax->parse_error(chars_read, "", parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context), nullptr)); @@ -12022,13 +12781,13 @@ class binary_reader } private: - static JSON_INLINE_VARIABLE constexpr std::size_t npos = static_cast(-1); + static JSON_INLINE_VARIABLE constexpr std::size_t npos = detail::unknown_size(); /// input adapter InputAdapterType ia; /// the current character - char_int_type current = std::char_traits::eof(); + char_int_type current = char_traits::eof(); /// the number of characters read std::size_t chars_read = 0; @@ -12048,6 +12807,7 @@ class binary_reader #define JSON_BINARY_READER_MAKE_BJD_TYPES_MAP_ \ make_array( \ + bjd_type{'B', "byte"}, \ bjd_type{'C', "char"}, \ bjd_type{'D', "double"}, \ bjd_type{'I', "int16"}, \ @@ -12090,10 +12850,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -12167,10 +12927,10 @@ class parser public: /// a parser reading from an input adapter explicit parser(InputAdapterType&& adapter, - const parser_callback_t cb = nullptr, + parser_callback_t cb = nullptr, const bool allow_exceptions_ = true, const bool skip_comments = false) - : callback(cb) + : callback(std::move(cb)) , m_lexer(std::move(adapter), skip_comments) , allow_exceptions(allow_exceptions_) { @@ -12192,7 +12952,7 @@ class parser { if (callback) { - json_sax_dom_callback_parser sdp(result, callback, allow_exceptions); + json_sax_dom_callback_parser sdp(result, callback, allow_exceptions, &m_lexer); sax_parse_internal(&sdp); // in strict mode, input must be completely read @@ -12220,7 +12980,7 @@ class parser } else { - json_sax_dom_parser sdp(result, allow_exceptions); + json_sax_dom_parser sdp(result, allow_exceptions, &m_lexer); sax_parse_internal(&sdp); // in strict mode, input must be completely read @@ -12292,7 +13052,7 @@ class parser { case token_type::begin_object: { - if (JSON_HEDLEY_UNLIKELY(!sax->start_object(static_cast(-1)))) + if (JSON_HEDLEY_UNLIKELY(!sax->start_object(detail::unknown_size()))) { return false; } @@ -12337,7 +13097,7 @@ class parser case token_type::begin_array: { - if (JSON_HEDLEY_UNLIKELY(!sax->start_array(static_cast(-1)))) + if (JSON_HEDLEY_UNLIKELY(!sax->start_array(detail::unknown_size()))) { return false; } @@ -12439,13 +13199,25 @@ class parser m_lexer.get_token_string(), parse_error::create(101, m_lexer.get_position(), exception_message(token_type::uninitialized, "value"), nullptr)); } + case token_type::end_of_input: + { + if (JSON_HEDLEY_UNLIKELY(m_lexer.get_position().chars_read_total == 1)) + { + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), + "attempting to parse an empty input; check that your input string or stream contains the expected JSON", nullptr)); + } + return sax->parse_error(m_lexer.get_position(), + m_lexer.get_token_string(), + parse_error::create(101, m_lexer.get_position(), exception_message(token_type::literal_or_value, "value"), nullptr)); + } case token_type::uninitialized: case token_type::end_array: case token_type::end_object: case token_type::name_separator: case token_type::value_separator: - case token_type::end_of_input: case token_type::literal_or_value: default: // the last token was unexpected { @@ -12607,10 +13379,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -12620,10 +13392,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -12779,10 +13551,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -12887,7 +13659,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: { @@ -12984,17 +13756,17 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: { - m_it.object_iterator = m_object->m_value.object->begin(); + m_it.object_iterator = m_object->m_data.m_value.object->begin(); break; } case value_t::array: { - m_it.array_iterator = m_object->m_value.array->begin(); + m_it.array_iterator = m_object->m_data.m_value.array->begin(); break; } @@ -13028,17 +13800,17 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: { - m_it.object_iterator = m_object->m_value.object->end(); + m_it.object_iterator = m_object->m_data.m_value.object->end(); break; } case value_t::array: { - m_it.array_iterator = m_object->m_value.array->end(); + m_it.array_iterator = m_object->m_data.m_value.array->end(); break; } @@ -13067,17 +13839,17 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: { - JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); + JSON_ASSERT(m_it.object_iterator != m_object->m_data.m_value.object->end()); return m_it.object_iterator->second; } case value_t::array: { - JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); + JSON_ASSERT(m_it.array_iterator != m_object->m_data.m_value.array->end()); return *m_it.array_iterator; } @@ -13111,17 +13883,17 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: { - JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); + JSON_ASSERT(m_it.object_iterator != m_object->m_data.m_value.object->end()); return &(m_it.object_iterator->second); } case value_t::array: { - JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); + JSON_ASSERT(m_it.array_iterator != m_object->m_data.m_value.array->end()); return &*m_it.array_iterator; } @@ -13164,7 +13936,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: { @@ -13215,7 +13987,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: { @@ -13249,7 +14021,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci /*! @brief comparison: equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. + @pre (1) Both iterators are initialized to point to the same object, or (2) both iterators are value-initialized. */ template < typename IterImpl, detail::enable_if_t < (std::is_same::value || std::is_same::value), std::nullptr_t > = nullptr > bool operator==(const IterImpl& other) const @@ -13260,9 +14032,13 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers", m_object)); } - JSON_ASSERT(m_object != nullptr); + // value-initialized forward iterators can be compared, and must compare equal to other value-initialized iterators of the same type #4493 + if (m_object == nullptr) + { + return true; + } - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: return (m_it.object_iterator == other.m_it.object_iterator); @@ -13285,7 +14061,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci /*! @brief comparison: not equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. + @pre (1) Both iterators are initialized to point to the same object, or (2) both iterators are value-initialized. */ template < typename IterImpl, detail::enable_if_t < (std::is_same::value || std::is_same::value), std::nullptr_t > = nullptr > bool operator!=(const IterImpl& other) const @@ -13295,7 +14071,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci /*! @brief comparison: smaller - @pre The iterator is initialized; i.e. `m_object != nullptr`. + @pre (1) Both iterators are initialized to point to the same object, or (2) both iterators are value-initialized. */ bool operator<(const iter_impl& other) const { @@ -13305,9 +14081,14 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers", m_object)); } - JSON_ASSERT(m_object != nullptr); + // value-initialized forward iterators can be compared, and must compare equal to other value-initialized iterators of the same type #4493 + if (m_object == nullptr) + { + // the iterators are both value-initialized and are to be considered equal, but this function checks for smaller, so we return false + return false; + } - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators", m_object)); @@ -13330,7 +14111,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci /*! @brief comparison: less than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. + @pre (1) Both iterators are initialized to point to the same object, or (2) both iterators are value-initialized. */ bool operator<=(const iter_impl& other) const { @@ -13339,7 +14120,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci /*! @brief comparison: greater than - @pre The iterator is initialized; i.e. `m_object != nullptr`. + @pre (1) Both iterators are initialized to point to the same object, or (2) both iterators are value-initialized. */ bool operator>(const iter_impl& other) const { @@ -13348,7 +14129,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci /*! @brief comparison: greater than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. + @pre (1) The iterator is initialized; i.e. `m_object != nullptr`, or (2) both iterators are value-initialized. */ bool operator>=(const iter_impl& other) const { @@ -13363,7 +14144,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators", m_object)); @@ -13442,7 +14223,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators", m_object)); @@ -13471,7 +14252,7 @@ class iter_impl // NOLINT(cppcoreguidelines-special-member-functions,hicpp-speci { JSON_ASSERT(m_object != nullptr); - switch (m_object->m_type) + switch (m_object->m_data.m_type) { case value_t::object: JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators", m_object)); @@ -13541,10 +14322,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -13673,13 +14454,55 @@ NLOHMANN_JSON_NAMESPACE_END // #include +// #include +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.12.0 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann +// SPDX-License-Identifier: MIT + + + +#include // conditional, is_same + +// #include + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +/*! +@brief Default base class of the @ref basic_json class. + +So that the correct implementations of the copy / move ctors / assign operators +of @ref basic_json do not require complex case distinctions +(no base class / custom base class used as customization point), +@ref basic_json always has a base class. +By default, this class is used because it is empty and thus has no effect +on the behavior of @ref basic_json. +*/ +struct json_default_base {}; + +template +using json_base_class = typename std::conditional < + std::is_same::value, + json_default_base, + T + >::type; + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END + // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -13909,9 +14732,9 @@ class json_pointer } const char* p = s.c_str(); - char* p_end = nullptr; + char* p_end = nullptr; // NOLINT(misc-const-correctness) errno = 0; // strtoull doesn't reset errno - unsigned long long res = std::strtoull(p, &p_end, 10); // NOLINT(runtime/int) + const unsigned long long res = std::strtoull(p, &p_end, 10); // NOLINT(runtime/int) if (p == p_end // invalid input or empty string || errno == ERANGE // out of range || JSON_HEDLEY_UNLIKELY(static_cast(p_end - p) != s.size())) // incomplete read @@ -14067,7 +14890,7 @@ class json_pointer if (reference_token == "-") { // explicitly treat "-" as index beyond the end - ptr = &ptr->operator[](ptr->m_value.array->size()); + ptr = &ptr->operator[](ptr->m_data.m_value.array->size()); } else { @@ -14119,7 +14942,7 @@ class json_pointer { // "-" always fails the range check JSON_THROW(detail::out_of_range::create(402, detail::concat( - "array index '-' (", std::to_string(ptr->m_value.array->size()), + "array index '-' (", std::to_string(ptr->m_data.m_value.array->size()), ") is out of range"), ptr)); } @@ -14176,7 +14999,7 @@ class json_pointer if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) { // "-" cannot be used for const access - JSON_THROW(detail::out_of_range::create(402, detail::concat("array index '-' (", std::to_string(ptr->m_value.array->size()), ") is out of range"), ptr)); + JSON_THROW(detail::out_of_range::create(402, detail::concat("array index '-' (", std::to_string(ptr->m_data.m_value.array->size()), ") is out of range"), ptr)); } // use unchecked array access @@ -14226,7 +15049,7 @@ class json_pointer { // "-" always fails the range check JSON_THROW(detail::out_of_range::create(402, detail::concat( - "array index '-' (", std::to_string(ptr->m_value.array->size()), + "array index '-' (", std::to_string(ptr->m_data.m_value.array->size()), ") is out of range"), ptr)); } @@ -14421,7 +15244,7 @@ class json_pointer { case detail::value_t::array: { - if (value.m_value.array->empty()) + if (value.m_data.m_value.array->empty()) { // flatten empty array as null result[reference_string] = nullptr; @@ -14429,10 +15252,10 @@ class json_pointer else { // iterate array and use index as reference string - for (std::size_t i = 0; i < value.m_value.array->size(); ++i) + for (std::size_t i = 0; i < value.m_data.m_value.array->size(); ++i) { - flatten(detail::concat(reference_string, '/', std::to_string(i)), - value.m_value.array->operator[](i), result); + flatten(detail::concat(reference_string, '/', std::to_string(i)), + value.m_data.m_value.array->operator[](i), result); } } break; @@ -14440,7 +15263,7 @@ class json_pointer case detail::value_t::object: { - if (value.m_value.object->empty()) + if (value.m_data.m_value.object->empty()) { // flatten empty object as null result[reference_string] = nullptr; @@ -14448,9 +15271,9 @@ class json_pointer else { // iterate object and use keys as reference string - for (const auto& element : *value.m_value.object) + for (const auto& element : *value.m_data.m_value.object) { - flatten(detail::concat(reference_string, '/', detail::escape(element.first)), element.second, result); + flatten(detail::concat(reference_string, '/', detail::escape(element.first)), element.second, result); } } break; @@ -14495,7 +15318,7 @@ class json_pointer BasicJsonType result; // iterate the JSON object values - for (const auto& element : *value.m_value.object) + for (const auto& element : *value.m_data.m_value.object) { if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive())) { @@ -14671,10 +15494,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -14756,6 +15579,8 @@ NLOHMANN_JSON_NAMESPACE_END // #include +// #include + // #include // #include @@ -14763,10 +15588,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -14789,10 +15614,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -14943,6 +15768,13 @@ NLOHMANN_JSON_NAMESPACE_BEGIN namespace detail { +/// how to encode BJData +enum class bjdata_version_t +{ + draft2, + draft3, +}; + /////////////////// // binary writer // /////////////////// @@ -14978,7 +15810,7 @@ class binary_writer { case value_t::object: { - write_bson_object(*j.m_value.object); + write_bson_object(*j.m_data.m_value.object); break; } @@ -15013,7 +15845,7 @@ class binary_writer case value_t::boolean: { - oa->write_character(j.m_value.boolean + oa->write_character(j.m_data.m_value.boolean ? to_char_type(0xF5) : to_char_type(0xF4)); break; @@ -15021,42 +15853,42 @@ class binary_writer case value_t::number_integer: { - if (j.m_value.number_integer >= 0) + if (j.m_data.m_value.number_integer >= 0) { // CBOR does not differentiate between positive signed // integers and unsigned integers. Therefore, we used the // code from the value_t::number_unsigned case here. - if (j.m_value.number_integer <= 0x17) + if (j.m_data.m_value.number_integer <= 0x17) { - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { oa->write_character(to_char_type(0x18)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { oa->write_character(to_char_type(0x19)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_integer <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { oa->write_character(to_char_type(0x1A)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } else { oa->write_character(to_char_type(0x1B)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } } else { // The conversions below encode the sign in the first // byte, and the value is converted to a positive number. - const auto positive_number = -1 - j.m_value.number_integer; - if (j.m_value.number_integer >= -24) + const auto positive_number = -1 - j.m_data.m_value.number_integer; + if (j.m_data.m_value.number_integer >= -24) { write_number(static_cast(0x20 + positive_number)); } @@ -15086,52 +15918,52 @@ class binary_writer case value_t::number_unsigned: { - if (j.m_value.number_unsigned <= 0x17) + if (j.m_data.m_value.number_unsigned <= 0x17) { - write_number(static_cast(j.m_value.number_unsigned)); + write_number(static_cast(j.m_data.m_value.number_unsigned)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { oa->write_character(to_char_type(0x18)); - write_number(static_cast(j.m_value.number_unsigned)); + write_number(static_cast(j.m_data.m_value.number_unsigned)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { oa->write_character(to_char_type(0x19)); - write_number(static_cast(j.m_value.number_unsigned)); + write_number(static_cast(j.m_data.m_value.number_unsigned)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { oa->write_character(to_char_type(0x1A)); - write_number(static_cast(j.m_value.number_unsigned)); + write_number(static_cast(j.m_data.m_value.number_unsigned)); } else { oa->write_character(to_char_type(0x1B)); - write_number(static_cast(j.m_value.number_unsigned)); + write_number(static_cast(j.m_data.m_value.number_unsigned)); } break; } case value_t::number_float: { - if (std::isnan(j.m_value.number_float)) + if (std::isnan(j.m_data.m_value.number_float)) { // NaN is 0xf97e00 in CBOR oa->write_character(to_char_type(0xF9)); oa->write_character(to_char_type(0x7E)); oa->write_character(to_char_type(0x00)); } - else if (std::isinf(j.m_value.number_float)) + else if (std::isinf(j.m_data.m_value.number_float)) { // Infinity is 0xf97c00, -Infinity is 0xf9fc00 oa->write_character(to_char_type(0xf9)); - oa->write_character(j.m_value.number_float > 0 ? to_char_type(0x7C) : to_char_type(0xFC)); + oa->write_character(j.m_data.m_value.number_float > 0 ? to_char_type(0x7C) : to_char_type(0xFC)); oa->write_character(to_char_type(0x00)); } else { - write_compact_float(j.m_value.number_float, detail::input_format_t::cbor); + write_compact_float(j.m_data.m_value.number_float, detail::input_format_t::cbor); } break; } @@ -15139,7 +15971,7 @@ class binary_writer case value_t::string: { // step 1: write control byte and the string length - const auto N = j.m_value.string->size(); + const auto N = j.m_data.m_value.string->size(); if (N <= 0x17) { write_number(static_cast(0x60 + N)); @@ -15169,15 +16001,15 @@ class binary_writer // step 2: write the string oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); + reinterpret_cast(j.m_data.m_value.string->c_str()), + j.m_data.m_value.string->size()); break; } case value_t::array: { // step 1: write control byte and the array size - const auto N = j.m_value.array->size(); + const auto N = j.m_data.m_value.array->size(); if (N <= 0x17) { write_number(static_cast(0x80 + N)); @@ -15206,7 +16038,7 @@ class binary_writer // LCOV_EXCL_STOP // step 2: write each element - for (const auto& el : *j.m_value.array) + for (const auto& el : *j.m_data.m_value.array) { write_cbor(el); } @@ -15215,32 +16047,32 @@ class binary_writer case value_t::binary: { - if (j.m_value.binary->has_subtype()) + if (j.m_data.m_value.binary->has_subtype()) { - if (j.m_value.binary->subtype() <= (std::numeric_limits::max)()) + if (j.m_data.m_value.binary->subtype() <= (std::numeric_limits::max)()) { write_number(static_cast(0xd8)); - write_number(static_cast(j.m_value.binary->subtype())); + write_number(static_cast(j.m_data.m_value.binary->subtype())); } - else if (j.m_value.binary->subtype() <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.binary->subtype() <= (std::numeric_limits::max)()) { write_number(static_cast(0xd9)); - write_number(static_cast(j.m_value.binary->subtype())); + write_number(static_cast(j.m_data.m_value.binary->subtype())); } - else if (j.m_value.binary->subtype() <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.binary->subtype() <= (std::numeric_limits::max)()) { write_number(static_cast(0xda)); - write_number(static_cast(j.m_value.binary->subtype())); + write_number(static_cast(j.m_data.m_value.binary->subtype())); } - else if (j.m_value.binary->subtype() <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.binary->subtype() <= (std::numeric_limits::max)()) { write_number(static_cast(0xdb)); - write_number(static_cast(j.m_value.binary->subtype())); + write_number(static_cast(j.m_data.m_value.binary->subtype())); } } // step 1: write control byte and the binary array size - const auto N = j.m_value.binary->size(); + const auto N = j.m_data.m_value.binary->size(); if (N <= 0x17) { write_number(static_cast(0x40 + N)); @@ -15270,7 +16102,7 @@ class binary_writer // step 2: write each element oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), + reinterpret_cast(j.m_data.m_value.binary->data()), N); break; @@ -15279,7 +16111,7 @@ class binary_writer case value_t::object: { // step 1: write control byte and the object size - const auto N = j.m_value.object->size(); + const auto N = j.m_data.m_value.object->size(); if (N <= 0x17) { write_number(static_cast(0xA0 + N)); @@ -15308,7 +16140,7 @@ class binary_writer // LCOV_EXCL_STOP // step 2: write each element - for (const auto& el : *j.m_value.object) + for (const auto& el : *j.m_data.m_value.object) { write_cbor(el.first); write_cbor(el.second); @@ -15337,7 +16169,7 @@ class binary_writer case value_t::boolean: // true and false { - oa->write_character(j.m_value.boolean + oa->write_character(j.m_data.m_value.boolean ? to_char_type(0xC3) : to_char_type(0xC2)); break; @@ -15345,75 +16177,75 @@ class binary_writer case value_t::number_integer: { - if (j.m_value.number_integer >= 0) + if (j.m_data.m_value.number_integer >= 0) { // MessagePack does not differentiate between positive // signed integers and unsigned integers. Therefore, we used // the code from the value_t::number_unsigned case here. - if (j.m_value.number_unsigned < 128) + if (j.m_data.m_value.number_unsigned < 128) { // positive fixnum - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 8 oa->write_character(to_char_type(0xCC)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 16 oa->write_character(to_char_type(0xCD)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 32 oa->write_character(to_char_type(0xCE)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 64 oa->write_character(to_char_type(0xCF)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } } else { - if (j.m_value.number_integer >= -32) + if (j.m_data.m_value.number_integer >= -32) { // negative fixnum - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { // int 8 oa->write_character(to_char_type(0xD0)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { // int 16 oa->write_character(to_char_type(0xD1)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { // int 32 oa->write_character(to_char_type(0xD2)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_integer >= (std::numeric_limits::min)() && - j.m_value.number_integer <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_integer >= (std::numeric_limits::min)() && + j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { // int 64 oa->write_character(to_char_type(0xD3)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } } break; @@ -15421,48 +16253,48 @@ class binary_writer case value_t::number_unsigned: { - if (j.m_value.number_unsigned < 128) + if (j.m_data.m_value.number_unsigned < 128) { // positive fixnum - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 8 oa->write_character(to_char_type(0xCC)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 16 oa->write_character(to_char_type(0xCD)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 32 oa->write_character(to_char_type(0xCE)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } - else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) + else if (j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { // uint 64 oa->write_character(to_char_type(0xCF)); - write_number(static_cast(j.m_value.number_integer)); + write_number(static_cast(j.m_data.m_value.number_integer)); } break; } case value_t::number_float: { - write_compact_float(j.m_value.number_float, detail::input_format_t::msgpack); + write_compact_float(j.m_data.m_value.number_float, detail::input_format_t::msgpack); break; } case value_t::string: { // step 1: write control byte and the string length - const auto N = j.m_value.string->size(); + const auto N = j.m_data.m_value.string->size(); if (N <= 31) { // fixstr @@ -15489,15 +16321,15 @@ class binary_writer // step 2: write the string oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); + reinterpret_cast(j.m_data.m_value.string->c_str()), + j.m_data.m_value.string->size()); break; } case value_t::array: { // step 1: write control byte and the array size - const auto N = j.m_value.array->size(); + const auto N = j.m_data.m_value.array->size(); if (N <= 15) { // fixarray @@ -15517,7 +16349,7 @@ class binary_writer } // step 2: write each element - for (const auto& el : *j.m_value.array) + for (const auto& el : *j.m_data.m_value.array) { write_msgpack(el); } @@ -15527,11 +16359,11 @@ class binary_writer case value_t::binary: { // step 0: determine if the binary type has a set subtype to - // determine whether or not to use the ext or fixext types - const bool use_ext = j.m_value.binary->has_subtype(); + // determine whether to use the ext or fixext types + const bool use_ext = j.m_data.m_value.binary->has_subtype(); // step 1: write control byte and the byte string length - const auto N = j.m_value.binary->size(); + const auto N = j.m_data.m_value.binary->size(); if (N <= (std::numeric_limits::max)()) { std::uint8_t output_type{}; @@ -15576,18 +16408,18 @@ class binary_writer } else if (N <= (std::numeric_limits::max)()) { - std::uint8_t output_type = use_ext - ? 0xC8 // ext 16 - : 0xC5; // bin 16 + const std::uint8_t output_type = use_ext + ? 0xC8 // ext 16 + : 0xC5; // bin 16 oa->write_character(to_char_type(output_type)); write_number(static_cast(N)); } else if (N <= (std::numeric_limits::max)()) { - std::uint8_t output_type = use_ext - ? 0xC9 // ext 32 - : 0xC6; // bin 32 + const std::uint8_t output_type = use_ext + ? 0xC9 // ext 32 + : 0xC6; // bin 32 oa->write_character(to_char_type(output_type)); write_number(static_cast(N)); @@ -15596,12 +16428,12 @@ class binary_writer // step 1.5: if this is an ext type, write the subtype if (use_ext) { - write_number(static_cast(j.m_value.binary->subtype())); + write_number(static_cast(j.m_data.m_value.binary->subtype())); } // step 2: write the byte string oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), + reinterpret_cast(j.m_data.m_value.binary->data()), N); break; @@ -15610,7 +16442,7 @@ class binary_writer case value_t::object: { // step 1: write control byte and the object size - const auto N = j.m_value.object->size(); + const auto N = j.m_data.m_value.object->size(); if (N <= 15) { // fixmap @@ -15630,7 +16462,7 @@ class binary_writer } // step 2: write each element - for (const auto& el : *j.m_value.object) + for (const auto& el : *j.m_data.m_value.object) { write_msgpack(el.first); write_msgpack(el.second); @@ -15650,11 +16482,14 @@ class binary_writer @param[in] use_type whether to use '$' prefixes (optimized format) @param[in] add_prefix whether prefixes need to be used for this value @param[in] use_bjdata whether write in BJData format, default is false + @param[in] bjdata_version which BJData version to use, default is draft2 */ void write_ubjson(const BasicJsonType& j, const bool use_count, const bool use_type, const bool add_prefix = true, - const bool use_bjdata = false) + const bool use_bjdata = false, const bjdata_version_t bjdata_version = bjdata_version_t::draft2) { + const bool bjdata_draft3 = use_bjdata && bjdata_version == bjdata_version_t::draft3; + switch (j.type()) { case value_t::null: @@ -15670,7 +16505,7 @@ class binary_writer { if (add_prefix) { - oa->write_character(j.m_value.boolean + oa->write_character(j.m_data.m_value.boolean ? to_char_type('T') : to_char_type('F')); } @@ -15679,19 +16514,19 @@ class binary_writer case value_t::number_integer: { - write_number_with_ubjson_prefix(j.m_value.number_integer, add_prefix, use_bjdata); + write_number_with_ubjson_prefix(j.m_data.m_value.number_integer, add_prefix, use_bjdata); break; } case value_t::number_unsigned: { - write_number_with_ubjson_prefix(j.m_value.number_unsigned, add_prefix, use_bjdata); + write_number_with_ubjson_prefix(j.m_data.m_value.number_unsigned, add_prefix, use_bjdata); break; } case value_t::number_float: { - write_number_with_ubjson_prefix(j.m_value.number_float, add_prefix, use_bjdata); + write_number_with_ubjson_prefix(j.m_data.m_value.number_float, add_prefix, use_bjdata); break; } @@ -15701,10 +16536,10 @@ class binary_writer { oa->write_character(to_char_type('S')); } - write_number_with_ubjson_prefix(j.m_value.string->size(), true, use_bjdata); + write_number_with_ubjson_prefix(j.m_data.m_value.string->size(), true, use_bjdata); oa->write_characters( - reinterpret_cast(j.m_value.string->c_str()), - j.m_value.string->size()); + reinterpret_cast(j.m_data.m_value.string->c_str()), + j.m_data.m_value.string->size()); break; } @@ -15716,7 +16551,7 @@ class binary_writer } bool prefix_required = true; - if (use_type && !j.m_value.array->empty()) + if (use_type && !j.m_data.m_value.array->empty()) { JSON_ASSERT(use_count); const CharType first_prefix = ubjson_prefix(j.front(), use_bjdata); @@ -15739,12 +16574,12 @@ class binary_writer if (use_count) { oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.array->size(), true, use_bjdata); + write_number_with_ubjson_prefix(j.m_data.m_value.array->size(), true, use_bjdata); } - for (const auto& el : *j.m_value.array) + for (const auto& el : *j.m_data.m_value.array) { - write_ubjson(el, use_count, use_type, prefix_required, use_bjdata); + write_ubjson(el, use_count, use_type, prefix_required, use_bjdata, bjdata_version); } if (!use_count) @@ -15762,31 +16597,31 @@ class binary_writer oa->write_character(to_char_type('[')); } - if (use_type && !j.m_value.binary->empty()) + if (use_type && (bjdata_draft3 || !j.m_data.m_value.binary->empty())) { JSON_ASSERT(use_count); oa->write_character(to_char_type('$')); - oa->write_character('U'); + oa->write_character(bjdata_draft3 ? 'B' : 'U'); } if (use_count) { oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.binary->size(), true, use_bjdata); + write_number_with_ubjson_prefix(j.m_data.m_value.binary->size(), true, use_bjdata); } if (use_type) { oa->write_characters( - reinterpret_cast(j.m_value.binary->data()), - j.m_value.binary->size()); + reinterpret_cast(j.m_data.m_value.binary->data()), + j.m_data.m_value.binary->size()); } else { - for (size_t i = 0; i < j.m_value.binary->size(); ++i) + for (size_t i = 0; i < j.m_data.m_value.binary->size(); ++i) { - oa->write_character(to_char_type('U')); - oa->write_character(j.m_value.binary->data()[i]); + oa->write_character(to_char_type(bjdata_draft3 ? 'B' : 'U')); + oa->write_character(j.m_data.m_value.binary->data()[i]); } } @@ -15800,9 +16635,9 @@ class binary_writer case value_t::object: { - if (use_bjdata && j.m_value.object->size() == 3 && j.m_value.object->find("_ArrayType_") != j.m_value.object->end() && j.m_value.object->find("_ArraySize_") != j.m_value.object->end() && j.m_value.object->find("_ArrayData_") != j.m_value.object->end()) + if (use_bjdata && j.m_data.m_value.object->size() == 3 && j.m_data.m_value.object->find("_ArrayType_") != j.m_data.m_value.object->end() && j.m_data.m_value.object->find("_ArraySize_") != j.m_data.m_value.object->end() && j.m_data.m_value.object->find("_ArrayData_") != j.m_data.m_value.object->end()) { - if (!write_bjdata_ndarray(*j.m_value.object, use_count, use_type)) // decode bjdata ndarray in the JData format (https://github.com/NeuroJSON/jdata) + if (!write_bjdata_ndarray(*j.m_data.m_value.object, use_count, use_type, bjdata_version)) // decode bjdata ndarray in the JData format (https://github.com/NeuroJSON/jdata) { break; } @@ -15814,7 +16649,7 @@ class binary_writer } bool prefix_required = true; - if (use_type && !j.m_value.object->empty()) + if (use_type && !j.m_data.m_value.object->empty()) { JSON_ASSERT(use_count); const CharType first_prefix = ubjson_prefix(j.front(), use_bjdata); @@ -15837,16 +16672,16 @@ class binary_writer if (use_count) { oa->write_character(to_char_type('#')); - write_number_with_ubjson_prefix(j.m_value.object->size(), true, use_bjdata); + write_number_with_ubjson_prefix(j.m_data.m_value.object->size(), true, use_bjdata); } - for (const auto& el : *j.m_value.object) + for (const auto& el : *j.m_data.m_value.object) { write_number_with_ubjson_prefix(el.first.size(), true, use_bjdata); oa->write_characters( reinterpret_cast(el.first.c_str()), el.first.size()); - write_ubjson(el.second, use_count, use_type, prefix_required, use_bjdata); + write_ubjson(el.second, use_count, use_type, prefix_required, use_bjdata, bjdata_version); } if (!use_count) @@ -15990,19 +16825,20 @@ class binary_writer void write_bson_unsigned(const string_t& name, const BasicJsonType& j) { - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { write_bson_entry_header(name, 0x10 /* int32 */); - write_number(static_cast(j.m_value.number_unsigned), true); + write_number(static_cast(j.m_data.m_value.number_unsigned), true); } - else if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + else if (j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { write_bson_entry_header(name, 0x12 /* int64 */); - write_number(static_cast(j.m_value.number_unsigned), true); + write_number(static_cast(j.m_data.m_value.number_unsigned), true); } else { - JSON_THROW(out_of_range::create(407, concat("integer number ", std::to_string(j.m_value.number_unsigned), " cannot be represented by BSON as it does not fit int64"), &j)); + write_bson_entry_header(name, 0x11 /* uint64 */); + write_number(static_cast(j.m_data.m_value.number_unsigned), true); } } @@ -16083,13 +16919,13 @@ class binary_writer switch (j.type()) { case value_t::object: - return header_size + calc_bson_object_size(*j.m_value.object); + return header_size + calc_bson_object_size(*j.m_data.m_value.object); case value_t::array: - return header_size + calc_bson_array_size(*j.m_value.array); + return header_size + calc_bson_array_size(*j.m_data.m_value.array); case value_t::binary: - return header_size + calc_bson_binary_size(*j.m_value.binary); + return header_size + calc_bson_binary_size(*j.m_data.m_value.binary); case value_t::boolean: return header_size + 1ul; @@ -16098,13 +16934,13 @@ class binary_writer return header_size + 8ul; case value_t::number_integer: - return header_size + calc_bson_integer_size(j.m_value.number_integer); + return header_size + calc_bson_integer_size(j.m_data.m_value.number_integer); case value_t::number_unsigned: - return header_size + calc_bson_unsigned_size(j.m_value.number_unsigned); + return header_size + calc_bson_unsigned_size(j.m_data.m_value.number_unsigned); case value_t::string: - return header_size + calc_bson_string_size(*j.m_value.string); + return header_size + calc_bson_string_size(*j.m_data.m_value.string); case value_t::null: return header_size + 0ul; @@ -16130,28 +16966,28 @@ class binary_writer switch (j.type()) { case value_t::object: - return write_bson_object_entry(name, *j.m_value.object); + return write_bson_object_entry(name, *j.m_data.m_value.object); case value_t::array: - return write_bson_array(name, *j.m_value.array); + return write_bson_array(name, *j.m_data.m_value.array); case value_t::binary: - return write_bson_binary(name, *j.m_value.binary); + return write_bson_binary(name, *j.m_data.m_value.binary); case value_t::boolean: - return write_bson_boolean(name, j.m_value.boolean); + return write_bson_boolean(name, j.m_data.m_value.boolean); case value_t::number_float: - return write_bson_double(name, j.m_value.number_float); + return write_bson_double(name, j.m_data.m_value.number_float); case value_t::number_integer: - return write_bson_integer(name, j.m_value.number_integer); + return write_bson_integer(name, j.m_data.m_value.number_integer); case value_t::number_unsigned: return write_bson_unsigned(name, j); case value_t::string: - return write_bson_string(name, *j.m_value.string); + return write_bson_string(name, *j.m_data.m_value.string); case value_t::null: return write_bson_null(name); @@ -16173,8 +17009,8 @@ class binary_writer */ static std::size_t calc_bson_object_size(const typename BasicJsonType::object_t& value) { - std::size_t document_size = std::accumulate(value.begin(), value.end(), static_cast(0), - [](size_t result, const typename BasicJsonType::object_t::value_type & el) + const std::size_t document_size = std::accumulate(value.begin(), value.end(), static_cast(0), + [](size_t result, const typename BasicJsonType::object_t::value_type & el) { return result += calc_bson_element_size(el.first, el.second); }); @@ -16424,35 +17260,35 @@ class binary_writer return 'Z'; case value_t::boolean: - return j.m_value.boolean ? 'T' : 'F'; + return j.m_data.m_value.boolean ? 'T' : 'F'; case value_t::number_integer: { - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + if ((std::numeric_limits::min)() <= j.m_data.m_value.number_integer && j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { return 'i'; } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + if ((std::numeric_limits::min)() <= j.m_data.m_value.number_integer && j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { return 'U'; } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + if ((std::numeric_limits::min)() <= j.m_data.m_value.number_integer && j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { return 'I'; } - if (use_bjdata && ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)())) + if (use_bjdata && ((std::numeric_limits::min)() <= j.m_data.m_value.number_integer && j.m_data.m_value.number_integer <= (std::numeric_limits::max)())) { return 'u'; } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + if ((std::numeric_limits::min)() <= j.m_data.m_value.number_integer && j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { return 'l'; } - if (use_bjdata && ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)())) + if (use_bjdata && ((std::numeric_limits::min)() <= j.m_data.m_value.number_integer && j.m_data.m_value.number_integer <= (std::numeric_limits::max)())) { return 'm'; } - if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) + if ((std::numeric_limits::min)() <= j.m_data.m_value.number_integer && j.m_data.m_value.number_integer <= (std::numeric_limits::max)()) { return 'L'; } @@ -16462,35 +17298,35 @@ class binary_writer case value_t::number_unsigned: { - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { return 'i'; } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { return 'U'; } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { return 'I'; } - if (use_bjdata && j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (use_bjdata && j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { return 'u'; } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { return 'l'; } - if (use_bjdata && j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (use_bjdata && j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { return 'm'; } - if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) + if (j.m_data.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) { return 'L'; } - if (use_bjdata && j.m_value.number_unsigned <= (std::numeric_limits::max)()) + if (use_bjdata && j.m_data.m_value.number_unsigned <= (std::numeric_limits::max)()) { return 'M'; } @@ -16499,7 +17335,7 @@ class binary_writer } case value_t::number_float: - return get_ubjson_float_prefix(j.m_value.number_float); + return get_ubjson_float_prefix(j.m_data.m_value.number_float); case value_t::string: return 'S'; @@ -16530,10 +17366,11 @@ class binary_writer /*! @return false if the object is successfully converted to a bjdata ndarray, true if the type or size is invalid */ - bool write_bjdata_ndarray(const typename BasicJsonType::object_t& value, const bool use_count, const bool use_type) + bool write_bjdata_ndarray(const typename BasicJsonType::object_t& value, const bool use_count, const bool use_type, const bjdata_version_t bjdata_version) { std::map bjdtype = {{"uint8", 'U'}, {"int8", 'i'}, {"uint16", 'u'}, {"int16", 'I'}, - {"uint32", 'm'}, {"int32", 'l'}, {"uint64", 'M'}, {"int64", 'L'}, {"single", 'd'}, {"double", 'D'}, {"char", 'C'} + {"uint32", 'm'}, {"int32", 'l'}, {"uint64", 'M'}, {"int64", 'L'}, {"single", 'd'}, {"double", 'D'}, + {"char", 'C'}, {"byte", 'B'} }; string_t key = "_ArrayType_"; @@ -16548,7 +17385,7 @@ class binary_writer std::size_t len = (value.at(key).empty() ? 0 : 1); for (const auto& el : value.at(key)) { - len *= static_cast(el.m_value.number_unsigned); + len *= static_cast(el.m_data.m_value.number_unsigned); } key = "_ArrayData_"; @@ -16563,77 +17400,77 @@ class binary_writer oa->write_character('#'); key = "_ArraySize_"; - write_ubjson(value.at(key), use_count, use_type, true, true); + write_ubjson(value.at(key), use_count, use_type, true, true, bjdata_version); key = "_ArrayData_"; - if (dtype == 'U' || dtype == 'C') + if (dtype == 'U' || dtype == 'C' || dtype == 'B') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_unsigned), true); + write_number(static_cast(el.m_data.m_value.number_unsigned), true); } } else if (dtype == 'i') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_integer), true); + write_number(static_cast(el.m_data.m_value.number_integer), true); } } else if (dtype == 'u') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_unsigned), true); + write_number(static_cast(el.m_data.m_value.number_unsigned), true); } } else if (dtype == 'I') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_integer), true); + write_number(static_cast(el.m_data.m_value.number_integer), true); } } else if (dtype == 'm') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_unsigned), true); + write_number(static_cast(el.m_data.m_value.number_unsigned), true); } } else if (dtype == 'l') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_integer), true); + write_number(static_cast(el.m_data.m_value.number_integer), true); } } else if (dtype == 'M') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_unsigned), true); + write_number(static_cast(el.m_data.m_value.number_unsigned), true); } } else if (dtype == 'L') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_integer), true); + write_number(static_cast(el.m_data.m_value.number_integer), true); } } else if (dtype == 'd') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_float), true); + write_number(static_cast(el.m_data.m_value.number_float), true); } } else if (dtype == 'D') { for (const auto& el : value.at(key)) { - write_number(static_cast(el.m_value.number_float), true); + write_number(static_cast(el.m_data.m_value.number_float), true); } } return false; @@ -16757,11 +17594,11 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2008-2009 Björn Hoehrmann -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2008 - 2009 Björn Hoehrmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -16782,11 +17619,11 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // // SPDX-FileCopyrightText: 2009 Florian Loitsch -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -17022,10 +17859,10 @@ boundaries compute_boundaries(FloatType value) // v- m- v m+ v+ const bool lower_boundary_is_closer = F == 0 && E > 1; - const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1); + const diyfp m_plus = diyfp((2 * v.f) + 1, v.e - 1); const diyfp m_minus = lower_boundary_is_closer - ? diyfp(4 * v.f - 1, v.e - 2) // (B) - : diyfp(2 * v.f - 1, v.e - 1); // (A) + ? diyfp((4 * v.f) - 1, v.e - 2) // (B) + : diyfp((2 * v.f) - 1, v.e - 1); // (A) // Determine the normalized w+ = m+. const diyfp w_plus = diyfp::normalize(m_plus); @@ -17255,7 +18092,7 @@ inline cached_power get_cached_power_for_binary_exponent(int e) JSON_ASSERT(e >= -1500); JSON_ASSERT(e <= 1500); const int f = kAlpha - e - 1; - const int k = (f * 78913) / (1 << 18) + static_cast(f > 0); + const int k = ((f * 78913) / (1 << 18)) + static_cast(f > 0); const int index = (-kCachedPowersMinDecExp + k + (kCachedPowersDecStep - 1)) / kCachedPowersDecStep; JSON_ASSERT(index >= 0); @@ -17692,7 +18529,7 @@ void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value) // NB: If the neighbors are computed for single-precision numbers, there is a single float // (7.0385307e-26f) which can't be recovered using strtod. The resulting double precision // value is off by 1 ulp. -#if 0 +#if 0 // NOLINT(readability-avoid-unconditional-preprocessor-if) const boundaries w = compute_boundaries(static_cast(value)); #else const boundaries w = compute_boundaries(value); @@ -17733,15 +18570,15 @@ inline char* append_exponent(char* buf, int e) } else if (k < 100) { - *buf++ = static_cast('0' + k / 10); + *buf++ = static_cast('0' + (k / 10)); k %= 10; *buf++ = static_cast('0' + k); } else { - *buf++ = static_cast('0' + k / 100); + *buf++ = static_cast('0' + (k / 100)); k %= 100; - *buf++ = static_cast('0' + k / 10); + *buf++ = static_cast('0' + (k / 10)); k %= 10; *buf++ = static_cast('0' + k); } @@ -17994,11 +18831,11 @@ class serializer const unsigned int indent_step, const unsigned int current_indent = 0) { - switch (val.m_type) + switch (val.m_data.m_type) { case value_t::object: { - if (val.m_value.object->empty()) + if (val.m_data.m_value.object->empty()) { o->write_characters("{}", 2); return; @@ -18016,8 +18853,8 @@ class serializer } // first n-1 elements - auto i = val.m_value.object->cbegin(); - for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) + auto i = val.m_data.m_value.object->cbegin(); + for (std::size_t cnt = 0; cnt < val.m_data.m_value.object->size() - 1; ++cnt, ++i) { o->write_characters(indent_string.c_str(), new_indent); o->write_character('\"'); @@ -18028,8 +18865,8 @@ class serializer } // last element - JSON_ASSERT(i != val.m_value.object->cend()); - JSON_ASSERT(std::next(i) == val.m_value.object->cend()); + JSON_ASSERT(i != val.m_data.m_value.object->cend()); + JSON_ASSERT(std::next(i) == val.m_data.m_value.object->cend()); o->write_characters(indent_string.c_str(), new_indent); o->write_character('\"'); dump_escaped(i->first, ensure_ascii); @@ -18045,8 +18882,8 @@ class serializer o->write_character('{'); // first n-1 elements - auto i = val.m_value.object->cbegin(); - for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) + auto i = val.m_data.m_value.object->cbegin(); + for (std::size_t cnt = 0; cnt < val.m_data.m_value.object->size() - 1; ++cnt, ++i) { o->write_character('\"'); dump_escaped(i->first, ensure_ascii); @@ -18056,8 +18893,8 @@ class serializer } // last element - JSON_ASSERT(i != val.m_value.object->cend()); - JSON_ASSERT(std::next(i) == val.m_value.object->cend()); + JSON_ASSERT(i != val.m_data.m_value.object->cend()); + JSON_ASSERT(std::next(i) == val.m_data.m_value.object->cend()); o->write_character('\"'); dump_escaped(i->first, ensure_ascii); o->write_characters("\":", 2); @@ -18071,7 +18908,7 @@ class serializer case value_t::array: { - if (val.m_value.array->empty()) + if (val.m_data.m_value.array->empty()) { o->write_characters("[]", 2); return; @@ -18089,8 +18926,8 @@ class serializer } // first n-1 elements - for (auto i = val.m_value.array->cbegin(); - i != val.m_value.array->cend() - 1; ++i) + for (auto i = val.m_data.m_value.array->cbegin(); + i != val.m_data.m_value.array->cend() - 1; ++i) { o->write_characters(indent_string.c_str(), new_indent); dump(*i, true, ensure_ascii, indent_step, new_indent); @@ -18098,9 +18935,9 @@ class serializer } // last element - JSON_ASSERT(!val.m_value.array->empty()); + JSON_ASSERT(!val.m_data.m_value.array->empty()); o->write_characters(indent_string.c_str(), new_indent); - dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent); + dump(val.m_data.m_value.array->back(), true, ensure_ascii, indent_step, new_indent); o->write_character('\n'); o->write_characters(indent_string.c_str(), current_indent); @@ -18111,16 +18948,16 @@ class serializer o->write_character('['); // first n-1 elements - for (auto i = val.m_value.array->cbegin(); - i != val.m_value.array->cend() - 1; ++i) + for (auto i = val.m_data.m_value.array->cbegin(); + i != val.m_data.m_value.array->cend() - 1; ++i) { dump(*i, false, ensure_ascii, indent_step, current_indent); o->write_character(','); } // last element - JSON_ASSERT(!val.m_value.array->empty()); - dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent); + JSON_ASSERT(!val.m_data.m_value.array->empty()); + dump(val.m_data.m_value.array->back(), false, ensure_ascii, indent_step, current_indent); o->write_character(']'); } @@ -18131,7 +18968,7 @@ class serializer case value_t::string: { o->write_character('\"'); - dump_escaped(*val.m_value.string, ensure_ascii); + dump_escaped(*val.m_data.m_value.string, ensure_ascii); o->write_character('\"'); return; } @@ -18153,24 +18990,24 @@ class serializer o->write_characters("\"bytes\": [", 10); - if (!val.m_value.binary->empty()) + if (!val.m_data.m_value.binary->empty()) { - for (auto i = val.m_value.binary->cbegin(); - i != val.m_value.binary->cend() - 1; ++i) + for (auto i = val.m_data.m_value.binary->cbegin(); + i != val.m_data.m_value.binary->cend() - 1; ++i) { dump_integer(*i); o->write_characters(", ", 2); } - dump_integer(val.m_value.binary->back()); + dump_integer(val.m_data.m_value.binary->back()); } o->write_characters("],\n", 3); o->write_characters(indent_string.c_str(), new_indent); o->write_characters("\"subtype\": ", 11); - if (val.m_value.binary->has_subtype()) + if (val.m_data.m_value.binary->has_subtype()) { - dump_integer(val.m_value.binary->subtype()); + dump_integer(val.m_data.m_value.binary->subtype()); } else { @@ -18184,21 +19021,21 @@ class serializer { o->write_characters("{\"bytes\":[", 10); - if (!val.m_value.binary->empty()) + if (!val.m_data.m_value.binary->empty()) { - for (auto i = val.m_value.binary->cbegin(); - i != val.m_value.binary->cend() - 1; ++i) + for (auto i = val.m_data.m_value.binary->cbegin(); + i != val.m_data.m_value.binary->cend() - 1; ++i) { dump_integer(*i); o->write_character(','); } - dump_integer(val.m_value.binary->back()); + dump_integer(val.m_data.m_value.binary->back()); } o->write_characters("],\"subtype\":", 12); - if (val.m_value.binary->has_subtype()) + if (val.m_data.m_value.binary->has_subtype()) { - dump_integer(val.m_value.binary->subtype()); + dump_integer(val.m_data.m_value.binary->subtype()); o->write_character('}'); } else @@ -18211,7 +19048,7 @@ class serializer case value_t::boolean: { - if (val.m_value.boolean) + if (val.m_data.m_value.boolean) { o->write_characters("true", 4); } @@ -18224,19 +19061,19 @@ class serializer case value_t::number_integer: { - dump_integer(val.m_value.number_integer); + dump_integer(val.m_data.m_value.number_integer); return; } case value_t::number_unsigned: { - dump_integer(val.m_value.number_unsigned); + dump_integer(val.m_data.m_value.number_unsigned); return; } case value_t::number_float: { - dump_float(val.m_value.number_float); + dump_float(val.m_data.m_value.number_float); return; } @@ -18527,7 +19364,7 @@ class serializer @param[in] x unsigned integer number to count its digits @return number of decimal digits */ - inline unsigned int count_digits(number_unsigned_t x) noexcept + unsigned int count_digits(number_unsigned_t x) noexcept { unsigned int n_digits = 1; for (;;) @@ -18810,8 +19647,8 @@ class serializer ? (byte & 0x3fu) | (codep << 6u) : (0xFFu >> type) & (byte); - std::size_t index = 256u + static_cast(state) * 16u + static_cast(type); - JSON_ASSERT(index < 400); + const std::size_t index = 256u + (static_cast(state) * 16u) + static_cast(type); + JSON_ASSERT(index < utf8d.size()); state = utf8d[index]; return state; } @@ -18836,7 +19673,7 @@ class serializer * absolute values of INT_MIN and INT_MAX are usually not the same. See * #1708 for details. */ - inline number_unsigned_t remove_sign(number_integer_t x) noexcept + number_unsigned_t remove_sign(number_integer_t x) noexcept { JSON_ASSERT(x < 0 && x < (std::numeric_limits::max)()); // NOLINT(misc-redundant-expression) return static_cast(-(x + 1)) + 1; @@ -18878,10 +19715,10 @@ NLOHMANN_JSON_NAMESPACE_END // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -18906,7 +19743,7 @@ NLOHMANN_JSON_NAMESPACE_BEGIN /// for use within nlohmann::basic_json template , class Allocator = std::allocator>> - struct ordered_map : std::vector, Allocator> + struct ordered_map : std::vector, Allocator> { using key_type = Key; using mapped_type = T; @@ -18998,7 +19835,7 @@ template , template::value, int> = 0> - T & at(KeyType && key) + T & at(KeyType && key) // NOLINT(cppcoreguidelines-missing-std-forward) { for (auto it = this->begin(); it != this->end(); ++it) { @@ -19026,7 +19863,7 @@ template , template::value, int> = 0> - const T & at(KeyType && key) const + const T & at(KeyType && key) const // NOLINT(cppcoreguidelines-missing-std-forward) { for (auto it = this->begin(); it != this->end(); ++it) { @@ -19060,7 +19897,7 @@ template , template::value, int> = 0> - size_type erase(KeyType && key) + size_type erase(KeyType && key) // NOLINT(cppcoreguidelines-missing-std-forward) { for (auto it = this->begin(); it != this->end(); ++it) { @@ -19151,7 +19988,7 @@ template , template::value, int> = 0> - size_type count(KeyType && key) const + size_type count(KeyType && key) const // NOLINT(cppcoreguidelines-missing-std-forward) { for (auto it = this->begin(); it != this->end(); ++it) { @@ -19177,7 +20014,7 @@ template , template::value, int> = 0> - iterator find(KeyType && key) + iterator find(KeyType && key) // NOLINT(cppcoreguidelines-missing-std-forward) { for (auto it = this->begin(); it != this->end(); ++it) { @@ -19221,7 +20058,7 @@ template , template using require_input_iter = typename std::enable_if::iterator_category, - std::input_iterator_tag>::value>::type; + std::input_iterator_tag>::value>::type; template> void insert(InputIt first, InputIt last) @@ -19240,7 +20077,9 @@ NLOHMANN_JSON_NAMESPACE_END #if defined(JSON_HAS_CPP_17) - #include + #if JSON_HAS_STATIC_RTTI + #include + #endif #include #endif @@ -19271,6 +20110,7 @@ The invariants are checked by member function assert_invariant(). */ NLOHMANN_BASIC_JSON_TPL_DECLARATION class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-special-member-functions) + : public ::nlohmann::detail::json_base_class { private: template friend struct detail::external_constructor; @@ -19289,14 +20129,15 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec friend class ::nlohmann::detail::binary_writer; template friend class ::nlohmann::detail::binary_reader; - template + template friend class ::nlohmann::detail::json_sax_dom_parser; - template + template friend class ::nlohmann::detail::json_sax_dom_callback_parser; friend class ::nlohmann::detail::exception; /// workaround type for MSVC using basic_json_t = NLOHMANN_BASIC_JSON_TPL; + using json_base_class_t = ::nlohmann::detail::json_base_class; JSON_PRIVATE_UNLESS_TESTED: // convenience aliases for types residing in namespace detail; @@ -19311,7 +20152,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec ) { return ::nlohmann::detail::parser(std::move(adapter), - std::move(cb), allow_exceptions, ignore_comments); + std::move(cb), allow_exceptions, ignore_comments); } private: @@ -19344,6 +20185,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec using error_handler_t = detail::error_handler_t; /// how to treat CBOR tags using cbor_tag_handler_t = detail::cbor_tag_handler_t; + /// how to encode BJData + using bjdata_version_t = detail::bjdata_version_t; /// helper type for initializer lists of basic_json values using initializer_list_t = std::initializer_list>; @@ -19368,7 +20211,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @} - ///////////////////// // container types // ///////////////////// @@ -19410,7 +20252,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @} - /// @brief returns the allocator associated with the container /// @sa https://json.nlohmann.me/api/basic_json/get_allocator/ static allocator_type get_allocator() @@ -19425,7 +20266,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec { basic_json result; - result["copyright"] = "(C) 2013-2022 Niels Lohmann"; + result["copyright"] = "(C) 2013-2025 Niels Lohmann"; result["name"] = "JSON for Modern C++"; result["url"] = "https://github.com/nlohmann/json"; result["version"]["string"] = @@ -19473,7 +20314,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec result["compiler"] = {{"family", "unknown"}, {"version", "unknown"}}; #endif - #if defined(_MSVC_LANG) result["compiler"]["c++"] = std::to_string(_MSVC_LANG); #elif defined(__cplusplus) @@ -19484,7 +20324,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec return result; } - /////////////////////////// // JSON value data types // /////////////////////////// @@ -19692,7 +20531,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec object = nullptr; // silence warning, see #821 if (JSON_HEDLEY_UNLIKELY(t == value_t::null)) { - JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.11.2", nullptr)); // LCOV_EXCL_LINE + JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.12.0", nullptr)); // LCOV_EXCL_LINE } break; } @@ -19731,6 +20570,16 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec void destroy(value_t t) { + if ( + (t == value_t::object && object == nullptr) || + (t == value_t::array && array == nullptr) || + (t == value_t::string && string == nullptr) || + (t == value_t::binary && binary == nullptr) + ) + { + //not initialized (e.g. due to exception in the ctor) + return; + } if (t == value_t::array || t == value_t::object) { // flatten the current json_value to a heap-allocated stack @@ -19761,18 +20610,18 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // its children to the stack to be processed later if (current_item.is_array()) { - std::move(current_item.m_value.array->begin(), current_item.m_value.array->end(), std::back_inserter(stack)); + std::move(current_item.m_data.m_value.array->begin(), current_item.m_data.m_value.array->end(), std::back_inserter(stack)); - current_item.m_value.array->clear(); + current_item.m_data.m_value.array->clear(); } else if (current_item.is_object()) { - for (auto&& it : *current_item.m_value.object) + for (auto&& it : *current_item.m_data.m_value.object) { stack.push_back(std::move(it.second)); } - current_item.m_value.object->clear(); + current_item.m_data.m_value.object->clear(); } // it's now safe that current_item get destructed @@ -19849,10 +20698,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec */ void assert_invariant(bool check_parents = true) const noexcept { - JSON_ASSERT(m_type != value_t::object || m_value.object != nullptr); - JSON_ASSERT(m_type != value_t::array || m_value.array != nullptr); - JSON_ASSERT(m_type != value_t::string || m_value.string != nullptr); - JSON_ASSERT(m_type != value_t::binary || m_value.binary != nullptr); + JSON_ASSERT(m_data.m_type != value_t::object || m_data.m_value.object != nullptr); + JSON_ASSERT(m_data.m_type != value_t::array || m_data.m_value.array != nullptr); + JSON_ASSERT(m_data.m_type != value_t::string || m_data.m_value.string != nullptr); + JSON_ASSERT(m_data.m_type != value_t::binary || m_data.m_value.binary != nullptr); #if JSON_DIAGNOSTICS JSON_TRY @@ -19871,11 +20720,11 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec void set_parents() { #if JSON_DIAGNOSTICS - switch (m_type) + switch (m_data.m_type) { case value_t::array: { - for (auto& element : *m_value.array) + for (auto& element : *m_data.m_value.array) { element.m_parent = this; } @@ -19884,7 +20733,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec case value_t::object: { - for (auto& element : *m_value.object) + for (auto& element : *m_data.m_value.object) { element.second.m_parent = this; } @@ -19918,14 +20767,14 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec return it; } - reference set_parent(reference j, std::size_t old_capacity = static_cast(-1)) + reference set_parent(reference j, std::size_t old_capacity = detail::unknown_size()) { #if JSON_DIAGNOSTICS - if (old_capacity != static_cast(-1)) + if (old_capacity != detail::unknown_size()) { // see https://github.com/nlohmann/json/issues/2838 JSON_ASSERT(type() == value_t::array); - if (JSON_HEDLEY_UNLIKELY(m_value.array->capacity() != old_capacity)) + if (JSON_HEDLEY_UNLIKELY(m_data.m_value.array->capacity() != old_capacity)) { // capacity has changed: update all parents set_parents(); @@ -19981,7 +20830,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief create an empty value with a given type /// @sa https://json.nlohmann.me/api/basic_json/basic_json/ basic_json(const value_t v) - : m_type(v), m_value(v) + : m_data(v) { assert_invariant(); } @@ -20001,8 +20850,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec detail::enable_if_t < !detail::is_basic_json::value && detail::is_compatible_type::value, int > = 0 > basic_json(CompatibleType && val) noexcept(noexcept( // NOLINT(bugprone-forwarding-reference-overload,bugprone-exception-escape) - JSONSerializer::to_json(std::declval(), - std::forward(val)))) + JSONSerializer::to_json(std::declval(), + std::forward(val)))) { JSONSerializer::to_json(*this, std::forward(val)); set_parents(); @@ -20015,6 +20864,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec detail::enable_if_t < detail::is_basic_json::value&& !std::is_same::value, int > = 0 > basic_json(const BasicJsonType& val) +#if JSON_DIAGNOSTIC_POSITIONS + : start_position(val.start_pos()), + end_position(val.end_pos()) +#endif { using other_boolean_t = typename BasicJsonType::boolean_t; using other_number_float_t = typename BasicJsonType::number_float_t; @@ -20055,12 +20908,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec *this = nullptr; break; case value_t::discarded: - m_type = value_t::discarded; + m_data.m_type = value_t::discarded; break; default: // LCOV_EXCL_LINE JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE } - JSON_ASSERT(m_type == val.type()); + JSON_ASSERT(m_data.m_type == val.type()); + set_parents(); assert_invariant(); } @@ -20076,7 +20930,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec bool is_an_object = std::all_of(init.begin(), init.end(), [](const detail::json_ref& element_ref) { - return element_ref->is_array() && element_ref->size() == 2 && (*element_ref)[0].is_string(); + // The cast is to ensure op[size_type] is called, bearing in mind size_type may not be int; + // (many string types can be constructed from 0 via its null-pointer guise, so we get a + // broken call to op[key_type], the wrong semantics and a 4804 warning on Windows) + return element_ref->is_array() && element_ref->size() == 2 && (*element_ref)[static_cast(0)].is_string(); }); // adjust type if type deduction is not wanted @@ -20098,22 +20955,22 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (is_an_object) { // the initializer list is a list of pairs -> create object - m_type = value_t::object; - m_value = value_t::object; + m_data.m_type = value_t::object; + m_data.m_value = value_t::object; for (auto& element_ref : init) { auto element = element_ref.moved_or_copied(); - m_value.object->emplace( - std::move(*((*element.m_value.array)[0].m_value.string)), - std::move((*element.m_value.array)[1])); + m_data.m_value.object->emplace( + std::move(*((*element.m_data.m_value.array)[0].m_data.m_value.string)), + std::move((*element.m_data.m_value.array)[1])); } } else { // the initializer list describes an array -> create array - m_type = value_t::array; - m_value.array = create(init.begin(), init.end()); + m_data.m_type = value_t::array; + m_data.m_value.array = create(init.begin(), init.end()); } set_parents(); @@ -20126,8 +20983,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec static basic_json binary(const typename binary_t::container_type& init) { auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = init; + res.m_data.m_type = value_t::binary; + res.m_data.m_value = init; return res; } @@ -20137,8 +20994,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec static basic_json binary(const typename binary_t::container_type& init, typename binary_t::subtype_type subtype) { auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = binary_t(init, subtype); + res.m_data.m_type = value_t::binary; + res.m_data.m_value = binary_t(init, subtype); return res; } @@ -20148,8 +21005,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec static basic_json binary(typename binary_t::container_type&& init) { auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = std::move(init); + res.m_data.m_type = value_t::binary; + res.m_data.m_value = std::move(init); return res; } @@ -20159,8 +21016,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec static basic_json binary(typename binary_t::container_type&& init, typename binary_t::subtype_type subtype) { auto res = basic_json(); - res.m_type = value_t::binary; - res.m_value = binary_t(std::move(init), subtype); + res.m_data.m_type = value_t::binary; + res.m_data.m_value = binary_t(std::move(init), subtype); return res; } @@ -20182,10 +21039,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief construct an array with count copies of given value /// @sa https://json.nlohmann.me/api/basic_json/basic_json/ - basic_json(size_type cnt, const basic_json& val) - : m_type(value_t::array) + basic_json(size_type cnt, const basic_json& val): + m_data{cnt, val} { - m_value.array = create(cnt, val); set_parents(); assert_invariant(); } @@ -20195,7 +21051,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec template < class InputIT, typename std::enable_if < std::is_same::value || std::is_same::value, int >::type = 0 > - basic_json(InputIT first, InputIT last) + basic_json(InputIT first, InputIT last) // NOLINT(performance-unnecessary-value-param) { JSON_ASSERT(first.m_object != nullptr); JSON_ASSERT(last.m_object != nullptr); @@ -20207,10 +21063,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec } // copy type from first iterator - m_type = first.m_object->m_type; + m_data.m_type = first.m_object->m_data.m_type; // check if iterator range is complete for primitive values - switch (m_type) + switch (m_data.m_type) { case value_t::boolean: case value_t::number_float: @@ -20235,55 +21091,55 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec break; } - switch (m_type) + switch (m_data.m_type) { case value_t::number_integer: { - m_value.number_integer = first.m_object->m_value.number_integer; + m_data.m_value.number_integer = first.m_object->m_data.m_value.number_integer; break; } case value_t::number_unsigned: { - m_value.number_unsigned = first.m_object->m_value.number_unsigned; + m_data.m_value.number_unsigned = first.m_object->m_data.m_value.number_unsigned; break; } case value_t::number_float: { - m_value.number_float = first.m_object->m_value.number_float; + m_data.m_value.number_float = first.m_object->m_data.m_value.number_float; break; } case value_t::boolean: { - m_value.boolean = first.m_object->m_value.boolean; + m_data.m_value.boolean = first.m_object->m_data.m_value.boolean; break; } case value_t::string: { - m_value = *first.m_object->m_value.string; + m_data.m_value = *first.m_object->m_data.m_value.string; break; } case value_t::object: { - m_value.object = create(first.m_it.object_iterator, - last.m_it.object_iterator); + m_data.m_value.object = create(first.m_it.object_iterator, + last.m_it.object_iterator); break; } case value_t::array: { - m_value.array = create(first.m_it.array_iterator, - last.m_it.array_iterator); + m_data.m_value.array = create(first.m_it.array_iterator, + last.m_it.array_iterator); break; } case value_t::binary: { - m_value = *first.m_object->m_value.binary; + m_data.m_value = *first.m_object->m_data.m_value.binary; break; } @@ -20297,7 +21153,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec assert_invariant(); } - /////////////////////////////////////// // other constructors and destructor // /////////////////////////////////////// @@ -20310,58 +21165,63 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief copy constructor /// @sa https://json.nlohmann.me/api/basic_json/basic_json/ basic_json(const basic_json& other) - : m_type(other.m_type) + : json_base_class_t(other) +#if JSON_DIAGNOSTIC_POSITIONS + , start_position(other.start_position) + , end_position(other.end_position) +#endif { + m_data.m_type = other.m_data.m_type; // check of passed value is valid other.assert_invariant(); - switch (m_type) + switch (m_data.m_type) { case value_t::object: { - m_value = *other.m_value.object; + m_data.m_value = *other.m_data.m_value.object; break; } case value_t::array: { - m_value = *other.m_value.array; + m_data.m_value = *other.m_data.m_value.array; break; } case value_t::string: { - m_value = *other.m_value.string; + m_data.m_value = *other.m_data.m_value.string; break; } case value_t::boolean: { - m_value = other.m_value.boolean; + m_data.m_value = other.m_data.m_value.boolean; break; } case value_t::number_integer: { - m_value = other.m_value.number_integer; + m_data.m_value = other.m_data.m_value.number_integer; break; } case value_t::number_unsigned: { - m_value = other.m_value.number_unsigned; + m_data.m_value = other.m_data.m_value.number_unsigned; break; } case value_t::number_float: { - m_value = other.m_value.number_float; + m_data.m_value = other.m_data.m_value.number_float; break; } case value_t::binary: { - m_value = *other.m_value.binary; + m_data.m_value = *other.m_data.m_value.binary; break; } @@ -20378,15 +21238,24 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief move constructor /// @sa https://json.nlohmann.me/api/basic_json/basic_json/ basic_json(basic_json&& other) noexcept - : m_type(std::move(other.m_type)), - m_value(std::move(other.m_value)) + : json_base_class_t(std::forward(other)), + m_data(std::move(other.m_data)) // cppcheck-suppress[accessForwarded] TODO check +#if JSON_DIAGNOSTIC_POSITIONS + , start_position(other.start_position) // cppcheck-suppress[accessForwarded] TODO check + , end_position(other.end_position) // cppcheck-suppress[accessForwarded] TODO check +#endif { // check that passed value is valid - other.assert_invariant(false); + other.assert_invariant(false); // cppcheck-suppress[accessForwarded] // invalidate payload - other.m_type = value_t::null; - other.m_value = {}; + other.m_data.m_type = value_t::null; + other.m_data.m_value = {}; + +#if JSON_DIAGNOSTIC_POSITIONS + other.start_position = std::string::npos; + other.end_position = std::string::npos; +#endif set_parents(); assert_invariant(); @@ -20398,15 +21267,23 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec std::is_nothrow_move_constructible::value&& std::is_nothrow_move_assignable::value&& std::is_nothrow_move_constructible::value&& - std::is_nothrow_move_assignable::value + std::is_nothrow_move_assignable::value&& + std::is_nothrow_move_assignable::value ) { // check that passed value is valid other.assert_invariant(); using std::swap; - swap(m_type, other.m_type); - swap(m_value, other.m_value); + swap(m_data.m_type, other.m_data.m_type); + swap(m_data.m_value, other.m_data.m_value); + +#if JSON_DIAGNOSTIC_POSITIONS + swap(start_position, other.start_position); + swap(end_position, other.end_position); +#endif + + json_base_class_t::operator=(std::move(other)); set_parents(); assert_invariant(); @@ -20418,7 +21295,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec ~basic_json() noexcept { assert_invariant(false); - m_value.destroy(m_type); } /// @} @@ -20458,7 +21334,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/type/ constexpr value_t type() const noexcept { - return m_type; + return m_data.m_type; } /// @brief return whether type is primitive @@ -20479,14 +21355,14 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/is_null/ constexpr bool is_null() const noexcept { - return m_type == value_t::null; + return m_data.m_type == value_t::null; } /// @brief return whether value is a boolean /// @sa https://json.nlohmann.me/api/basic_json/is_boolean/ constexpr bool is_boolean() const noexcept { - return m_type == value_t::boolean; + return m_data.m_type == value_t::boolean; } /// @brief return whether value is a number @@ -20500,63 +21376,63 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/is_number_integer/ constexpr bool is_number_integer() const noexcept { - return m_type == value_t::number_integer || m_type == value_t::number_unsigned; + return m_data.m_type == value_t::number_integer || m_data.m_type == value_t::number_unsigned; } /// @brief return whether value is an unsigned integer number /// @sa https://json.nlohmann.me/api/basic_json/is_number_unsigned/ constexpr bool is_number_unsigned() const noexcept { - return m_type == value_t::number_unsigned; + return m_data.m_type == value_t::number_unsigned; } /// @brief return whether value is a floating-point number /// @sa https://json.nlohmann.me/api/basic_json/is_number_float/ constexpr bool is_number_float() const noexcept { - return m_type == value_t::number_float; + return m_data.m_type == value_t::number_float; } /// @brief return whether value is an object /// @sa https://json.nlohmann.me/api/basic_json/is_object/ constexpr bool is_object() const noexcept { - return m_type == value_t::object; + return m_data.m_type == value_t::object; } /// @brief return whether value is an array /// @sa https://json.nlohmann.me/api/basic_json/is_array/ constexpr bool is_array() const noexcept { - return m_type == value_t::array; + return m_data.m_type == value_t::array; } /// @brief return whether value is a string /// @sa https://json.nlohmann.me/api/basic_json/is_string/ constexpr bool is_string() const noexcept { - return m_type == value_t::string; + return m_data.m_type == value_t::string; } /// @brief return whether value is a binary array /// @sa https://json.nlohmann.me/api/basic_json/is_binary/ constexpr bool is_binary() const noexcept { - return m_type == value_t::binary; + return m_data.m_type == value_t::binary; } /// @brief return whether value is discarded /// @sa https://json.nlohmann.me/api/basic_json/is_discarded/ constexpr bool is_discarded() const noexcept { - return m_type == value_t::discarded; + return m_data.m_type == value_t::discarded; } /// @brief return the type of the JSON value (implicit) /// @sa https://json.nlohmann.me/api/basic_json/operator_value_t/ constexpr operator value_t() const noexcept { - return m_type; + return m_data.m_type; } /// @} @@ -20571,7 +21447,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec { if (JSON_HEDLEY_LIKELY(is_boolean())) { - return m_value.boolean; + return m_data.m_value.boolean; } JSON_THROW(type_error::create(302, detail::concat("type must be boolean, but is ", type_name()), this)); @@ -20580,97 +21456,97 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// get a pointer to the value (object) object_t* get_impl_ptr(object_t* /*unused*/) noexcept { - return is_object() ? m_value.object : nullptr; + return is_object() ? m_data.m_value.object : nullptr; } /// get a pointer to the value (object) constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept { - return is_object() ? m_value.object : nullptr; + return is_object() ? m_data.m_value.object : nullptr; } /// get a pointer to the value (array) array_t* get_impl_ptr(array_t* /*unused*/) noexcept { - return is_array() ? m_value.array : nullptr; + return is_array() ? m_data.m_value.array : nullptr; } /// get a pointer to the value (array) constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept { - return is_array() ? m_value.array : nullptr; + return is_array() ? m_data.m_value.array : nullptr; } /// get a pointer to the value (string) string_t* get_impl_ptr(string_t* /*unused*/) noexcept { - return is_string() ? m_value.string : nullptr; + return is_string() ? m_data.m_value.string : nullptr; } /// get a pointer to the value (string) constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept { - return is_string() ? m_value.string : nullptr; + return is_string() ? m_data.m_value.string : nullptr; } /// get a pointer to the value (boolean) boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept { - return is_boolean() ? &m_value.boolean : nullptr; + return is_boolean() ? &m_data.m_value.boolean : nullptr; } /// get a pointer to the value (boolean) constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept { - return is_boolean() ? &m_value.boolean : nullptr; + return is_boolean() ? &m_data.m_value.boolean : nullptr; } /// get a pointer to the value (integer number) number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept { - return is_number_integer() ? &m_value.number_integer : nullptr; + return m_data.m_type == value_t::number_integer ? &m_data.m_value.number_integer : nullptr; } /// get a pointer to the value (integer number) constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept { - return is_number_integer() ? &m_value.number_integer : nullptr; + return m_data.m_type == value_t::number_integer ? &m_data.m_value.number_integer : nullptr; } /// get a pointer to the value (unsigned number) number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept { - return is_number_unsigned() ? &m_value.number_unsigned : nullptr; + return is_number_unsigned() ? &m_data.m_value.number_unsigned : nullptr; } /// get a pointer to the value (unsigned number) constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept { - return is_number_unsigned() ? &m_value.number_unsigned : nullptr; + return is_number_unsigned() ? &m_data.m_value.number_unsigned : nullptr; } /// get a pointer to the value (floating-point number) number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept { - return is_number_float() ? &m_value.number_float : nullptr; + return is_number_float() ? &m_data.m_value.number_float : nullptr; } /// get a pointer to the value (floating-point number) constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept { - return is_number_float() ? &m_value.number_float : nullptr; + return is_number_float() ? &m_data.m_value.number_float : nullptr; } /// get a pointer to the value (binary) binary_t* get_impl_ptr(binary_t* /*unused*/) noexcept { - return is_binary() ? m_value.binary : nullptr; + return is_binary() ? m_data.m_value.binary : nullptr; } /// get a pointer to the value (binary) constexpr const binary_t* get_impl_ptr(const binary_t* /*unused*/) const noexcept { - return is_binary() ? m_value.binary : nullptr; + return is_binary() ? m_data.m_value.binary : nullptr; } /*! @@ -20769,7 +21645,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec detail::has_from_json::value, int > = 0 > ValueType get_impl(detail::priority_tag<0> /*unused*/) const noexcept(noexcept( - JSONSerializer::from_json(std::declval(), std::declval()))) + JSONSerializer::from_json(std::declval(), std::declval()))) { auto ret = ValueType(); JSONSerializer::from_json(*this, ret); @@ -20811,7 +21687,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec detail::has_non_default_from_json::value, int > = 0 > ValueType get_impl(detail::priority_tag<1> /*unused*/) const noexcept(noexcept( - JSONSerializer::from_json(std::declval()))) + JSONSerializer::from_json(std::declval()))) { return JSONSerializer::from_json(*this); } @@ -20961,7 +21837,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec detail::has_from_json::value, int > = 0 > ValueType & get_to(ValueType& v) const noexcept(noexcept( - JSONSerializer::from_json(std::declval(), v))) + JSONSerializer::from_json(std::declval(), v))) { JSONSerializer::from_json(*this, v); return v; @@ -21053,7 +21929,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec #if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER >= 1910 && _MSC_VER <= 1914)) detail::negation>, #endif -#if defined(JSON_HAS_CPP_17) +#if defined(JSON_HAS_CPP_17) && JSON_HAS_STATIC_RTTI detail::negation>, #endif detail::is_detected_lazy @@ -21090,7 +21966,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @} - //////////////////// // element access // //////////////////// @@ -21108,13 +21983,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec { JSON_TRY { - return set_parent(m_value.array->at(idx)); + return set_parent(m_data.m_value.array->at(idx)); } JSON_CATCH (std::out_of_range&) { // create better exception explanation JSON_THROW(out_of_range::create(401, detail::concat("array index ", std::to_string(idx), " is out of range"), this)); - } + } // cppcheck-suppress[missingReturn] } else { @@ -21131,13 +22006,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec { JSON_TRY { - return m_value.array->at(idx); + return m_data.m_value.array->at(idx); } JSON_CATCH (std::out_of_range&) { // create better exception explanation JSON_THROW(out_of_range::create(401, detail::concat("array index ", std::to_string(idx), " is out of range"), this)); - } + } // cppcheck-suppress[missingReturn] } else { @@ -21155,8 +22030,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(type_error::create(304, detail::concat("cannot use at() with ", type_name()), this)); } - auto it = m_value.object->find(key); - if (it == m_value.object->end()) + auto it = m_data.m_value.object->find(key); + if (it == m_data.m_value.object->end()) { JSON_THROW(out_of_range::create(403, detail::concat("key '", key, "' not found"), this)); } @@ -21175,8 +22050,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(type_error::create(304, detail::concat("cannot use at() with ", type_name()), this)); } - auto it = m_value.object->find(std::forward(key)); - if (it == m_value.object->end()) + auto it = m_data.m_value.object->find(std::forward(key)); + if (it == m_data.m_value.object->end()) { JSON_THROW(out_of_range::create(403, detail::concat("key '", string_t(std::forward(key)), "' not found"), this)); } @@ -21193,8 +22068,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(type_error::create(304, detail::concat("cannot use at() with ", type_name()), this)); } - auto it = m_value.object->find(key); - if (it == m_value.object->end()) + auto it = m_data.m_value.object->find(key); + if (it == m_data.m_value.object->end()) { JSON_THROW(out_of_range::create(403, detail::concat("key '", key, "' not found"), this)); } @@ -21213,8 +22088,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(type_error::create(304, detail::concat("cannot use at() with ", type_name()), this)); } - auto it = m_value.object->find(std::forward(key)); - if (it == m_value.object->end()) + auto it = m_data.m_value.object->find(std::forward(key)); + if (it == m_data.m_value.object->end()) { JSON_THROW(out_of_range::create(403, detail::concat("key '", string_t(std::forward(key)), "' not found"), this)); } @@ -21228,8 +22103,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // implicitly convert null value to an empty array if (is_null()) { - m_type = value_t::array; - m_value.array = create(); + m_data.m_type = value_t::array; + m_data.m_value.array = create(); assert_invariant(); } @@ -21237,17 +22112,17 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (JSON_HEDLEY_LIKELY(is_array())) { // fill up array with null values if given idx is outside range - if (idx >= m_value.array->size()) + if (idx >= m_data.m_value.array->size()) { #if JSON_DIAGNOSTICS // remember array size & capacity before resizing - const auto old_size = m_value.array->size(); - const auto old_capacity = m_value.array->capacity(); + const auto old_size = m_data.m_value.array->size(); + const auto old_capacity = m_data.m_value.array->capacity(); #endif - m_value.array->resize(idx + 1); + m_data.m_value.array->resize(idx + 1); #if JSON_DIAGNOSTICS - if (JSON_HEDLEY_UNLIKELY(m_value.array->capacity() != old_capacity)) + if (JSON_HEDLEY_UNLIKELY(m_data.m_value.array->capacity() != old_capacity)) { // capacity has changed: update all parents set_parents(); @@ -21261,7 +22136,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec assert_invariant(); } - return m_value.array->operator[](idx); + return m_data.m_value.array->operator[](idx); } JSON_THROW(type_error::create(305, detail::concat("cannot use operator[] with a numeric argument with ", type_name()), this)); @@ -21274,7 +22149,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // const operator[] only works for arrays if (JSON_HEDLEY_LIKELY(is_array())) { - return m_value.array->operator[](idx); + return m_data.m_value.array->operator[](idx); } JSON_THROW(type_error::create(305, detail::concat("cannot use operator[] with a numeric argument with ", type_name()), this)); @@ -21282,20 +22157,20 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief access specified object element /// @sa https://json.nlohmann.me/api/basic_json/operator%5B%5D/ - reference operator[](typename object_t::key_type key) + reference operator[](typename object_t::key_type key) // NOLINT(performance-unnecessary-value-param) { // implicitly convert null value to an empty object if (is_null()) { - m_type = value_t::object; - m_value.object = create(); + m_data.m_type = value_t::object; + m_data.m_value.object = create(); assert_invariant(); } // operator[] only works for objects if (JSON_HEDLEY_LIKELY(is_object())) { - auto result = m_value.object->emplace(std::move(key), nullptr); + auto result = m_data.m_value.object->emplace(std::move(key), nullptr); return set_parent(result.first->second); } @@ -21309,8 +22184,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // const operator[] only works for objects if (JSON_HEDLEY_LIKELY(is_object())) { - auto it = m_value.object->find(key); - JSON_ASSERT(it != m_value.object->end()); + auto it = m_data.m_value.object->find(key); + JSON_ASSERT(it != m_data.m_value.object->end()); return it->second; } @@ -21340,15 +22215,15 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // implicitly convert null value to an empty object if (is_null()) { - m_type = value_t::object; - m_value.object = create(); + m_data.m_type = value_t::object; + m_data.m_value.object = create(); assert_invariant(); } // operator[] only works for objects if (JSON_HEDLEY_LIKELY(is_object())) { - auto result = m_value.object->emplace(std::forward(key), nullptr); + auto result = m_data.m_value.object->emplace(std::forward(key), nullptr); return set_parent(result.first->second); } @@ -21364,8 +22239,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // const operator[] only works for objects if (JSON_HEDLEY_LIKELY(is_object())) { - auto it = m_value.object->find(std::forward(key)); - JSON_ASSERT(it != m_value.object->end()); + auto it = m_data.m_value.object->find(std::forward(key)); + JSON_ASSERT(it != m_data.m_value.object->end()); return it->second; } @@ -21592,7 +22467,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec template < class IteratorType, detail::enable_if_t < std::is_same::value || std::is_same::value, int > = 0 > - IteratorType erase(IteratorType pos) + IteratorType erase(IteratorType pos) // NOLINT(performance-unnecessary-value-param) { // make sure iterator fits the current value if (JSON_HEDLEY_UNLIKELY(this != pos.m_object)) @@ -21602,7 +22477,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec IteratorType result = end(); - switch (m_type) + switch (m_data.m_type) { case value_t::boolean: case value_t::number_float: @@ -21619,32 +22494,32 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (is_string()) { AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.string); - std::allocator_traits::deallocate(alloc, m_value.string, 1); - m_value.string = nullptr; + std::allocator_traits::destroy(alloc, m_data.m_value.string); + std::allocator_traits::deallocate(alloc, m_data.m_value.string, 1); + m_data.m_value.string = nullptr; } else if (is_binary()) { AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.binary); - std::allocator_traits::deallocate(alloc, m_value.binary, 1); - m_value.binary = nullptr; + std::allocator_traits::destroy(alloc, m_data.m_value.binary); + std::allocator_traits::deallocate(alloc, m_data.m_value.binary, 1); + m_data.m_value.binary = nullptr; } - m_type = value_t::null; + m_data.m_type = value_t::null; assert_invariant(); break; } case value_t::object: { - result.m_it.object_iterator = m_value.object->erase(pos.m_it.object_iterator); + result.m_it.object_iterator = m_data.m_value.object->erase(pos.m_it.object_iterator); break; } case value_t::array: { - result.m_it.array_iterator = m_value.array->erase(pos.m_it.array_iterator); + result.m_it.array_iterator = m_data.m_value.array->erase(pos.m_it.array_iterator); break; } @@ -21662,7 +22537,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec template < class IteratorType, detail::enable_if_t < std::is_same::value || std::is_same::value, int > = 0 > - IteratorType erase(IteratorType first, IteratorType last) + IteratorType erase(IteratorType first, IteratorType last) // NOLINT(performance-unnecessary-value-param) { // make sure iterator fits the current value if (JSON_HEDLEY_UNLIKELY(this != first.m_object || this != last.m_object)) @@ -21672,7 +22547,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec IteratorType result = end(); - switch (m_type) + switch (m_data.m_type) { case value_t::boolean: case value_t::number_float: @@ -21690,33 +22565,33 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (is_string()) { AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.string); - std::allocator_traits::deallocate(alloc, m_value.string, 1); - m_value.string = nullptr; + std::allocator_traits::destroy(alloc, m_data.m_value.string); + std::allocator_traits::deallocate(alloc, m_data.m_value.string, 1); + m_data.m_value.string = nullptr; } else if (is_binary()) { AllocatorType alloc; - std::allocator_traits::destroy(alloc, m_value.binary); - std::allocator_traits::deallocate(alloc, m_value.binary, 1); - m_value.binary = nullptr; + std::allocator_traits::destroy(alloc, m_data.m_value.binary); + std::allocator_traits::deallocate(alloc, m_data.m_value.binary, 1); + m_data.m_value.binary = nullptr; } - m_type = value_t::null; + m_data.m_type = value_t::null; assert_invariant(); break; } case value_t::object: { - result.m_it.object_iterator = m_value.object->erase(first.m_it.object_iterator, + result.m_it.object_iterator = m_data.m_value.object->erase(first.m_it.object_iterator, last.m_it.object_iterator); break; } case value_t::array: { - result.m_it.array_iterator = m_value.array->erase(first.m_it.array_iterator, + result.m_it.array_iterator = m_data.m_value.array->erase(first.m_it.array_iterator, last.m_it.array_iterator); break; } @@ -21741,7 +22616,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(type_error::create(307, detail::concat("cannot use erase() with ", type_name()), this)); } - return m_value.object->erase(std::forward(key)); + return m_data.m_value.object->erase(std::forward(key)); } template < typename KeyType, detail::enable_if_t < @@ -21754,10 +22629,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(type_error::create(307, detail::concat("cannot use erase() with ", type_name()), this)); } - const auto it = m_value.object->find(std::forward(key)); - if (it != m_value.object->end()) + const auto it = m_data.m_value.object->find(std::forward(key)); + if (it != m_data.m_value.object->end()) { - m_value.object->erase(it); + m_data.m_value.object->erase(it); return 1; } return 0; @@ -21795,7 +22670,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(out_of_range::create(401, detail::concat("array index ", std::to_string(idx), " is out of range"), this)); } - m_value.array->erase(m_value.array->begin() + static_cast(idx)); + m_data.m_value.array->erase(m_data.m_value.array->begin() + static_cast(idx)); } else { @@ -21805,7 +22680,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @} - //////////// // lookup // //////////// @@ -21821,7 +22695,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (is_object()) { - result.m_it.object_iterator = m_value.object->find(key); + result.m_it.object_iterator = m_data.m_value.object->find(key); } return result; @@ -21835,7 +22709,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (is_object()) { - result.m_it.object_iterator = m_value.object->find(key); + result.m_it.object_iterator = m_data.m_value.object->find(key); } return result; @@ -21851,7 +22725,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (is_object()) { - result.m_it.object_iterator = m_value.object->find(std::forward(key)); + result.m_it.object_iterator = m_data.m_value.object->find(std::forward(key)); } return result; @@ -21867,7 +22741,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (is_object()) { - result.m_it.object_iterator = m_value.object->find(std::forward(key)); + result.m_it.object_iterator = m_data.m_value.object->find(std::forward(key)); } return result; @@ -21878,7 +22752,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec size_type count(const typename object_t::key_type& key) const { // return 0 for all nonobject types - return is_object() ? m_value.object->count(key) : 0; + return is_object() ? m_data.m_value.object->count(key) : 0; } /// @brief returns the number of occurrences of a key in a JSON object @@ -21888,14 +22762,14 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec size_type count(KeyType && key) const { // return 0 for all nonobject types - return is_object() ? m_value.object->count(std::forward(key)) : 0; + return is_object() ? m_data.m_value.object->count(std::forward(key)) : 0; } /// @brief check the existence of an element in a JSON object /// @sa https://json.nlohmann.me/api/basic_json/contains/ bool contains(const typename object_t::key_type& key) const { - return is_object() && m_value.object->find(key) != m_value.object->end(); + return is_object() && m_data.m_value.object->find(key) != m_data.m_value.object->end(); } /// @brief check the existence of an element in a JSON object @@ -21904,7 +22778,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec detail::is_usable_as_basic_json_key_type::value, int> = 0> bool contains(KeyType && key) const { - return is_object() && m_value.object->find(std::forward(key)) != m_value.object->end(); + return is_object() && m_data.m_value.object->find(std::forward(key)) != m_data.m_value.object->end(); } /// @brief check the existence of an element in a JSON object given a JSON pointer @@ -21923,7 +22797,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @} - /////////////// // iterators // /////////////// @@ -22062,7 +22935,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @} - ////////////// // capacity // ////////////// @@ -22074,7 +22946,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/empty/ bool empty() const noexcept { - switch (m_type) + switch (m_data.m_type) { case value_t::null: { @@ -22085,13 +22957,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec case value_t::array: { // delegate call to array_t::empty() - return m_value.array->empty(); + return m_data.m_value.array->empty(); } case value_t::object: { // delegate call to object_t::empty() - return m_value.object->empty(); + return m_data.m_value.object->empty(); } case value_t::string: @@ -22113,7 +22985,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/size/ size_type size() const noexcept { - switch (m_type) + switch (m_data.m_type) { case value_t::null: { @@ -22124,13 +22996,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec case value_t::array: { // delegate call to array_t::size() - return m_value.array->size(); + return m_data.m_value.array->size(); } case value_t::object: { // delegate call to object_t::size() - return m_value.object->size(); + return m_data.m_value.object->size(); } case value_t::string: @@ -22152,18 +23024,18 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/max_size/ size_type max_size() const noexcept { - switch (m_type) + switch (m_data.m_type) { case value_t::array: { // delegate call to array_t::max_size() - return m_value.array->max_size(); + return m_data.m_value.array->max_size(); } case value_t::object: { // delegate call to object_t::max_size() - return m_value.object->max_size(); + return m_data.m_value.object->max_size(); } case value_t::null: @@ -22184,7 +23056,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @} - /////////////// // modifiers // /////////////// @@ -22196,53 +23067,53 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/clear/ void clear() noexcept { - switch (m_type) + switch (m_data.m_type) { case value_t::number_integer: { - m_value.number_integer = 0; + m_data.m_value.number_integer = 0; break; } case value_t::number_unsigned: { - m_value.number_unsigned = 0; + m_data.m_value.number_unsigned = 0; break; } case value_t::number_float: { - m_value.number_float = 0.0; + m_data.m_value.number_float = 0.0; break; } case value_t::boolean: { - m_value.boolean = false; + m_data.m_value.boolean = false; break; } case value_t::string: { - m_value.string->clear(); + m_data.m_value.string->clear(); break; } case value_t::binary: { - m_value.binary->clear(); + m_data.m_value.binary->clear(); break; } case value_t::array: { - m_value.array->clear(); + m_data.m_value.array->clear(); break; } case value_t::object: { - m_value.object->clear(); + m_data.m_value.object->clear(); break; } @@ -22266,15 +23137,15 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // transform null object into an array if (is_null()) { - m_type = value_t::array; - m_value = value_t::array; + m_data.m_type = value_t::array; + m_data.m_value = value_t::array; assert_invariant(); } // add element to array (move semantics) - const auto old_capacity = m_value.array->capacity(); - m_value.array->push_back(std::move(val)); - set_parent(m_value.array->back(), old_capacity); + const auto old_capacity = m_data.m_value.array->capacity(); + m_data.m_value.array->push_back(std::move(val)); + set_parent(m_data.m_value.array->back(), old_capacity); // if val is moved from, basic_json move constructor marks it null, so we do not call the destructor } @@ -22299,15 +23170,15 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // transform null object into an array if (is_null()) { - m_type = value_t::array; - m_value = value_t::array; + m_data.m_type = value_t::array; + m_data.m_value = value_t::array; assert_invariant(); } // add element to array - const auto old_capacity = m_value.array->capacity(); - m_value.array->push_back(val); - set_parent(m_value.array->back(), old_capacity); + const auto old_capacity = m_data.m_value.array->capacity(); + m_data.m_value.array->push_back(val); + set_parent(m_data.m_value.array->back(), old_capacity); } /// @brief add an object to an array @@ -22331,13 +23202,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // transform null object into an object if (is_null()) { - m_type = value_t::object; - m_value = value_t::object; + m_data.m_type = value_t::object; + m_data.m_value = value_t::object; assert_invariant(); } // add element to object - auto res = m_value.object->insert(val); + auto res = m_data.m_value.object->insert(val); set_parent(res.first->second); } @@ -22387,15 +23258,15 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // transform null object into an array if (is_null()) { - m_type = value_t::array; - m_value = value_t::array; + m_data.m_type = value_t::array; + m_data.m_value = value_t::array; assert_invariant(); } // add element to array (perfect forwarding) - const auto old_capacity = m_value.array->capacity(); - m_value.array->emplace_back(std::forward(args)...); - return set_parent(m_value.array->back(), old_capacity); + const auto old_capacity = m_data.m_value.array->capacity(); + m_data.m_value.array->emplace_back(std::forward(args)...); + return set_parent(m_data.m_value.array->back(), old_capacity); } /// @brief add an object to an object if key does not exist @@ -22412,13 +23283,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // transform null object into an object if (is_null()) { - m_type = value_t::object; - m_value = value_t::object; + m_data.m_type = value_t::object; + m_data.m_value = value_t::object; assert_invariant(); } // add element to array (perfect forwarding) - auto res = m_value.object->emplace(std::forward(args)...); + auto res = m_data.m_value.object->emplace(std::forward(args)...); set_parent(res.first->second); // create result iterator and set iterator to the result of emplace @@ -22433,17 +23304,17 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @note: This uses std::distance to support GCC 4.8, /// see https://github.com/nlohmann/json/pull/1257 template - iterator insert_iterator(const_iterator pos, Args&& ... args) + iterator insert_iterator(const_iterator pos, Args&& ... args) // NOLINT(performance-unnecessary-value-param) { iterator result(this); - JSON_ASSERT(m_value.array != nullptr); + JSON_ASSERT(m_data.m_value.array != nullptr); - auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator); - m_value.array->insert(pos.m_it.array_iterator, std::forward(args)...); - result.m_it.array_iterator = m_value.array->begin() + insert_pos; + auto insert_pos = std::distance(m_data.m_value.array->begin(), pos.m_it.array_iterator); + m_data.m_value.array->insert(pos.m_it.array_iterator, std::forward(args)...); + result.m_it.array_iterator = m_data.m_value.array->begin() + insert_pos; // This could have been written as: - // result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); + // result.m_it.array_iterator = m_data.m_value.array->insert(pos.m_it.array_iterator, cnt, val); // but the return value of insert is missing in GCC 4.8, so it is written this way instead. set_parents(); @@ -22452,7 +23323,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief inserts element into array /// @sa https://json.nlohmann.me/api/basic_json/insert/ - iterator insert(const_iterator pos, const basic_json& val) + iterator insert(const_iterator pos, const basic_json& val) // NOLINT(performance-unnecessary-value-param) { // insert only works for arrays if (JSON_HEDLEY_LIKELY(is_array())) @@ -22472,14 +23343,14 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief inserts element into array /// @sa https://json.nlohmann.me/api/basic_json/insert/ - iterator insert(const_iterator pos, basic_json&& val) + iterator insert(const_iterator pos, basic_json&& val) // NOLINT(performance-unnecessary-value-param) { return insert(pos, val); } /// @brief inserts copies of element into array /// @sa https://json.nlohmann.me/api/basic_json/insert/ - iterator insert(const_iterator pos, size_type cnt, const basic_json& val) + iterator insert(const_iterator pos, size_type cnt, const basic_json& val) // NOLINT(performance-unnecessary-value-param) { // insert only works for arrays if (JSON_HEDLEY_LIKELY(is_array())) @@ -22499,7 +23370,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief inserts range of elements into array /// @sa https://json.nlohmann.me/api/basic_json/insert/ - iterator insert(const_iterator pos, const_iterator first, const_iterator last) + iterator insert(const_iterator pos, const_iterator first, const_iterator last) // NOLINT(performance-unnecessary-value-param) { // insert only works for arrays if (JSON_HEDLEY_UNLIKELY(!is_array())) @@ -22530,7 +23401,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief inserts elements from initializer list into array /// @sa https://json.nlohmann.me/api/basic_json/insert/ - iterator insert(const_iterator pos, initializer_list_t ilist) + iterator insert(const_iterator pos, initializer_list_t ilist) // NOLINT(performance-unnecessary-value-param) { // insert only works for arrays if (JSON_HEDLEY_UNLIKELY(!is_array())) @@ -22550,7 +23421,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief inserts range of elements into object /// @sa https://json.nlohmann.me/api/basic_json/insert/ - void insert(const_iterator first, const_iterator last) + void insert(const_iterator first, const_iterator last) // NOLINT(performance-unnecessary-value-param) { // insert only works for objects if (JSON_HEDLEY_UNLIKELY(!is_object())) @@ -22570,7 +23441,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects", this)); } - m_value.object->insert(first.m_it.object_iterator, last.m_it.object_iterator); + m_data.m_value.object->insert(first.m_it.object_iterator, last.m_it.object_iterator); + set_parents(); } /// @brief updates a JSON object from another object, overwriting existing keys @@ -22582,13 +23454,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief updates a JSON object from another object, overwriting existing keys /// @sa https://json.nlohmann.me/api/basic_json/update/ - void update(const_iterator first, const_iterator last, bool merge_objects = false) + void update(const_iterator first, const_iterator last, bool merge_objects = false) // NOLINT(performance-unnecessary-value-param) { // implicitly convert null value to an empty object if (is_null()) { - m_type = value_t::object; - m_value.object = create(); + m_data.m_type = value_t::object; + m_data.m_value.object = create(); assert_invariant(); } @@ -22613,16 +23485,16 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec { if (merge_objects && it.value().is_object()) { - auto it2 = m_value.object->find(it.key()); - if (it2 != m_value.object->end()) + auto it2 = m_data.m_value.object->find(it.key()); + if (it2 != m_data.m_value.object->end()) { it2->second.update(it.value(), true); continue; } } - m_value.object->operator[](it.key()) = it.value(); + m_data.m_value.object->operator[](it.key()) = it.value(); #if JSON_DIAGNOSTICS - m_value.object->operator[](it.key()).m_parent = this; + m_data.m_value.object->operator[](it.key()).m_parent = this; #endif } } @@ -22632,12 +23504,12 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec void swap(reference other) noexcept ( std::is_nothrow_move_constructible::value&& std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_constructible::value&& // NOLINT(cppcoreguidelines-noexcept-swap,performance-noexcept-swap) std::is_nothrow_move_assignable::value ) { - std::swap(m_type, other.m_type); - std::swap(m_value, other.m_value); + std::swap(m_data.m_type, other.m_data.m_type); + std::swap(m_data.m_value, other.m_data.m_value); set_parents(); other.set_parents(); @@ -22649,7 +23521,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec friend void swap(reference left, reference right) noexcept ( std::is_nothrow_move_constructible::value&& std::is_nothrow_move_assignable::value&& - std::is_nothrow_move_constructible::value&& + std::is_nothrow_move_constructible::value&& // NOLINT(cppcoreguidelines-noexcept-swap,performance-noexcept-swap) std::is_nothrow_move_assignable::value ) { @@ -22658,13 +23530,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief exchanges the values /// @sa https://json.nlohmann.me/api/basic_json/swap/ - void swap(array_t& other) // NOLINT(bugprone-exception-escape) + void swap(array_t& other) // NOLINT(bugprone-exception-escape,cppcoreguidelines-noexcept-swap,performance-noexcept-swap) { // swap only works for arrays if (JSON_HEDLEY_LIKELY(is_array())) { using std::swap; - swap(*(m_value.array), other); + swap(*(m_data.m_value.array), other); } else { @@ -22674,13 +23546,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief exchanges the values /// @sa https://json.nlohmann.me/api/basic_json/swap/ - void swap(object_t& other) // NOLINT(bugprone-exception-escape) + void swap(object_t& other) // NOLINT(bugprone-exception-escape,cppcoreguidelines-noexcept-swap,performance-noexcept-swap) { // swap only works for objects if (JSON_HEDLEY_LIKELY(is_object())) { using std::swap; - swap(*(m_value.object), other); + swap(*(m_data.m_value.object), other); } else { @@ -22690,13 +23562,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief exchanges the values /// @sa https://json.nlohmann.me/api/basic_json/swap/ - void swap(string_t& other) // NOLINT(bugprone-exception-escape) + void swap(string_t& other) // NOLINT(bugprone-exception-escape,cppcoreguidelines-noexcept-swap,performance-noexcept-swap) { // swap only works for strings if (JSON_HEDLEY_LIKELY(is_string())) { using std::swap; - swap(*(m_value.string), other); + swap(*(m_data.m_value.string), other); } else { @@ -22706,13 +23578,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @brief exchanges the values /// @sa https://json.nlohmann.me/api/basic_json/swap/ - void swap(binary_t& other) // NOLINT(bugprone-exception-escape) + void swap(binary_t& other) // NOLINT(bugprone-exception-escape,cppcoreguidelines-noexcept-swap,performance-noexcept-swap) { // swap only works for strings if (JSON_HEDLEY_LIKELY(is_binary())) { using std::swap; - swap(*(m_value.binary), other); + swap(*(m_data.m_value.binary), other); } else { @@ -22728,7 +23600,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (JSON_HEDLEY_LIKELY(is_binary())) { using std::swap; - swap(*(m_value.binary), other); + swap(*(m_data.m_value.binary), other); } else { @@ -22756,31 +23628,31 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec switch (lhs_type) \ { \ case value_t::array: \ - return (*lhs.m_value.array) op (*rhs.m_value.array); \ + return (*lhs.m_data.m_value.array) op (*rhs.m_data.m_value.array); \ \ case value_t::object: \ - return (*lhs.m_value.object) op (*rhs.m_value.object); \ + return (*lhs.m_data.m_value.object) op (*rhs.m_data.m_value.object); \ \ case value_t::null: \ return (null_result); \ \ case value_t::string: \ - return (*lhs.m_value.string) op (*rhs.m_value.string); \ + return (*lhs.m_data.m_value.string) op (*rhs.m_data.m_value.string); \ \ case value_t::boolean: \ - return (lhs.m_value.boolean) op (rhs.m_value.boolean); \ + return (lhs.m_data.m_value.boolean) op (rhs.m_data.m_value.boolean); \ \ case value_t::number_integer: \ - return (lhs.m_value.number_integer) op (rhs.m_value.number_integer); \ + return (lhs.m_data.m_value.number_integer) op (rhs.m_data.m_value.number_integer); \ \ case value_t::number_unsigned: \ - return (lhs.m_value.number_unsigned) op (rhs.m_value.number_unsigned); \ + return (lhs.m_data.m_value.number_unsigned) op (rhs.m_data.m_value.number_unsigned); \ \ case value_t::number_float: \ - return (lhs.m_value.number_float) op (rhs.m_value.number_float); \ + return (lhs.m_data.m_value.number_float) op (rhs.m_data.m_value.number_float); \ \ case value_t::binary: \ - return (*lhs.m_value.binary) op (*rhs.m_value.binary); \ + return (*lhs.m_data.m_value.binary) op (*rhs.m_data.m_value.binary); \ \ case value_t::discarded: \ default: \ @@ -22789,27 +23661,27 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec } \ else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) \ { \ - return static_cast(lhs.m_value.number_integer) op rhs.m_value.number_float; \ + return static_cast(lhs.m_data.m_value.number_integer) op rhs.m_data.m_value.number_float; \ } \ else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) \ { \ - return lhs.m_value.number_float op static_cast(rhs.m_value.number_integer); \ + return lhs.m_data.m_value.number_float op static_cast(rhs.m_data.m_value.number_integer); \ } \ else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) \ { \ - return static_cast(lhs.m_value.number_unsigned) op rhs.m_value.number_float; \ + return static_cast(lhs.m_data.m_value.number_unsigned) op rhs.m_data.m_value.number_float; \ } \ else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) \ { \ - return lhs.m_value.number_float op static_cast(rhs.m_value.number_unsigned); \ + return lhs.m_data.m_value.number_float op static_cast(rhs.m_data.m_value.number_unsigned); \ } \ else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) \ { \ - return static_cast(lhs.m_value.number_unsigned) op rhs.m_value.number_integer; \ + return static_cast(lhs.m_data.m_value.number_unsigned) op rhs.m_data.m_value.number_integer; \ } \ else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) \ { \ - return lhs.m_value.number_integer op static_cast(rhs.m_value.number_unsigned); \ + return lhs.m_data.m_value.number_integer op static_cast(rhs.m_data.m_value.number_unsigned); \ } \ else if(compares_unordered(lhs, rhs))\ {\ @@ -22826,8 +23698,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // an operation is computed as an odd number of inverses of others static bool compares_unordered(const_reference lhs, const_reference rhs, bool inverse = false) noexcept { - if ((lhs.is_number_float() && std::isnan(lhs.m_value.number_float) && rhs.is_number()) - || (rhs.is_number_float() && std::isnan(rhs.m_value.number_float) && lhs.is_number())) + if ((lhs.is_number_float() && std::isnan(lhs.m_data.m_value.number_float) && rhs.is_number()) + || (rhs.is_number_float() && std::isnan(rhs.m_data.m_value.number_float) && lhs.is_number())) { return true; } @@ -23171,7 +24043,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec #endif // JSON_NO_IO /// @} - ///////////////////// // deserialization // ///////////////////// @@ -23184,12 +24055,12 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec template JSON_HEDLEY_WARN_UNUSED_RESULT static basic_json parse(InputType&& i, - const parser_callback_t cb = nullptr, + parser_callback_t cb = nullptr, const bool allow_exceptions = true, const bool ignore_comments = false) { basic_json result; - parser(detail::input_adapter(std::forward(i)), cb, allow_exceptions, ignore_comments).parse(true, result); + parser(detail::input_adapter(std::forward(i)), std::move(cb), allow_exceptions, ignore_comments).parse(true, result); // cppcheck-suppress[accessMoved,accessForwarded] return result; } @@ -23199,24 +24070,24 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_HEDLEY_WARN_UNUSED_RESULT static basic_json parse(IteratorType first, IteratorType last, - const parser_callback_t cb = nullptr, + parser_callback_t cb = nullptr, const bool allow_exceptions = true, const bool ignore_comments = false) { basic_json result; - parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions, ignore_comments).parse(true, result); + parser(detail::input_adapter(std::move(first), std::move(last)), std::move(cb), allow_exceptions, ignore_comments).parse(true, result); // cppcheck-suppress[accessMoved] return result; } JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len)) static basic_json parse(detail::span_input_adapter&& i, - const parser_callback_t cb = nullptr, + parser_callback_t cb = nullptr, const bool allow_exceptions = true, const bool ignore_comments = false) { basic_json result; - parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result); + parser(i.get(), std::move(cb), allow_exceptions, ignore_comments).parse(true, result); // cppcheck-suppress[accessMoved] return result; } @@ -23328,7 +24199,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec JSON_HEDLEY_RETURNS_NON_NULL const char* type_name() const noexcept { - switch (m_type) + switch (m_data.m_type) { case value_t::null: return "null"; @@ -23352,23 +24223,66 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec } } - JSON_PRIVATE_UNLESS_TESTED: ////////////////////// // member variables // ////////////////////// - /// the type of the current element - value_t m_type = value_t::null; + struct data + { + /// the type of the current element + value_t m_type = value_t::null; + + /// the value of the current element + json_value m_value = {}; + + data(const value_t v) + : m_type(v), m_value(v) + { + } + + data(size_type cnt, const basic_json& val) + : m_type(value_t::array) + { + m_value.array = create(cnt, val); + } - /// the value of the current element - json_value m_value = {}; + data() noexcept = default; + data(data&&) noexcept = default; + data(const data&) noexcept = delete; + data& operator=(data&&) noexcept = delete; + data& operator=(const data&) noexcept = delete; + + ~data() noexcept + { + m_value.destroy(m_type); + } + }; + + data m_data = {}; #if JSON_DIAGNOSTICS /// a pointer to a parent value (for debugging purposes) basic_json* m_parent = nullptr; #endif +#if JSON_DIAGNOSTIC_POSITIONS + /// the start position of the value + std::size_t start_position = std::string::npos; + /// the end position of the value + std::size_t end_position = std::string::npos; + public: + constexpr std::size_t start_pos() const noexcept + { + return start_position; + } + + constexpr std::size_t end_pos() const noexcept + { + return end_position; + } +#endif + ////////////////////////////////////////// // binary serialization/deserialization // ////////////////////////////////////////// @@ -23454,27 +24368,30 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/to_bjdata/ static std::vector to_bjdata(const basic_json& j, const bool use_size = false, - const bool use_type = false) + const bool use_type = false, + const bjdata_version_t version = bjdata_version_t::draft2) { std::vector result; - to_bjdata(j, result, use_size, use_type); + to_bjdata(j, result, use_size, use_type, version); return result; } /// @brief create a BJData serialization of a given JSON value /// @sa https://json.nlohmann.me/api/basic_json/to_bjdata/ static void to_bjdata(const basic_json& j, detail::output_adapter o, - const bool use_size = false, const bool use_type = false) + const bool use_size = false, const bool use_type = false, + const bjdata_version_t version = bjdata_version_t::draft2) { - binary_writer(o).write_ubjson(j, use_size, use_type, true, true); + binary_writer(o).write_ubjson(j, use_size, use_type, true, true, version); } /// @brief create a BJData serialization of a given JSON value /// @sa https://json.nlohmann.me/api/basic_json/to_bjdata/ static void to_bjdata(const basic_json& j, detail::output_adapter o, - const bool use_size = false, const bool use_type = false) + const bool use_size = false, const bool use_type = false, + const bjdata_version_t version = bjdata_version_t::draft2) { - binary_writer(o).write_ubjson(j, use_size, use_type, true, true); + binary_writer(o).write_ubjson(j, use_size, use_type, true, true, version); } /// @brief create a BSON serialization of a given JSON value @@ -23510,9 +24427,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia), input_format_t::cbor).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::cbor).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23526,9 +24443,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia), input_format_t::cbor).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::cbor).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23543,7 +24460,6 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec return from_cbor(ptr, ptr + len, strict, allow_exceptions, tag_handler); } - JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) static basic_json from_cbor(detail::span_input_adapter&& i, @@ -23552,10 +24468,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = i.get(); + detail::json_sax_dom_parser sdp(result, allow_exceptions); // NOLINTNEXTLINE(hicpp-move-const-arg,performance-move-const-arg) - const bool res = binary_reader(std::move(ia), input_format_t::cbor).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); + const bool res = binary_reader(std::move(ia), input_format_t::cbor).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23568,9 +24484,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia), input_format_t::msgpack).sax_parse(input_format_t::msgpack, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::msgpack).sax_parse(input_format_t::msgpack, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23583,9 +24499,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia), input_format_t::msgpack).sax_parse(input_format_t::msgpack, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::msgpack).sax_parse(input_format_t::msgpack, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23606,10 +24522,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = i.get(); + detail::json_sax_dom_parser sdp(result, allow_exceptions); // NOLINTNEXTLINE(hicpp-move-const-arg,performance-move-const-arg) - const bool res = binary_reader(std::move(ia), input_format_t::msgpack).sax_parse(input_format_t::msgpack, &sdp, strict); + const bool res = binary_reader(std::move(ia), input_format_t::msgpack).sax_parse(input_format_t::msgpack, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23622,9 +24538,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia), input_format_t::ubjson).sax_parse(input_format_t::ubjson, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::ubjson).sax_parse(input_format_t::ubjson, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23637,9 +24553,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia), input_format_t::ubjson).sax_parse(input_format_t::ubjson, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::ubjson).sax_parse(input_format_t::ubjson, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23660,14 +24576,13 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = i.get(); + detail::json_sax_dom_parser sdp(result, allow_exceptions); // NOLINTNEXTLINE(hicpp-move-const-arg,performance-move-const-arg) - const bool res = binary_reader(std::move(ia), input_format_t::ubjson).sax_parse(input_format_t::ubjson, &sdp, strict); + const bool res = binary_reader(std::move(ia), input_format_t::ubjson).sax_parse(input_format_t::ubjson, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } - /// @brief create a JSON value from an input in BJData format /// @sa https://json.nlohmann.me/api/basic_json/from_bjdata/ template @@ -23677,9 +24592,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia), input_format_t::bjdata).sax_parse(input_format_t::bjdata, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::bjdata).sax_parse(input_format_t::bjdata, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23692,9 +24607,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia), input_format_t::bjdata).sax_parse(input_format_t::bjdata, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::bjdata).sax_parse(input_format_t::bjdata, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23707,9 +24622,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::forward(i)); - const bool res = binary_reader(std::move(ia), input_format_t::bson).sax_parse(input_format_t::bson, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::bson).sax_parse(input_format_t::bson, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23722,9 +24637,9 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = detail::input_adapter(std::move(first), std::move(last)); - const bool res = binary_reader(std::move(ia), input_format_t::bson).sax_parse(input_format_t::bson, &sdp, strict); + detail::json_sax_dom_parser sdp(result, allow_exceptions); + const bool res = binary_reader(std::move(ia), input_format_t::bson).sax_parse(input_format_t::bson, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } @@ -23745,10 +24660,10 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec const bool allow_exceptions = true) { basic_json result; - detail::json_sax_dom_parser sdp(result, allow_exceptions); auto ia = i.get(); + detail::json_sax_dom_parser sdp(result, allow_exceptions); // NOLINTNEXTLINE(hicpp-move-const-arg,performance-move-const-arg) - const bool res = binary_reader(std::move(ia), input_format_t::bson).sax_parse(input_format_t::bson, &sdp, strict); + const bool res = binary_reader(std::move(ia), input_format_t::bson).sax_parse(input_format_t::bson, &sdp, strict); // cppcheck-suppress[accessMoved] return res ? result : basic_json(value_t::discarded); } /// @} @@ -23849,7 +24764,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // the valid JSON Patch operations enum class patch_operations {add, remove, replace, move, copy, test, invalid}; - const auto get_op = [](const std::string & op) + const auto get_op = [](const string_t& op) { if (op == "add") { @@ -23880,7 +24795,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec }; // wrapper for "add" operation; add value at ptr - const auto operation_add = [&result](json_pointer & ptr, basic_json val) + const auto operation_add = [&result](json_pointer & ptr, const basic_json & val) { // adding to the root of the target document means replacing it if (ptr.empty()) @@ -23890,7 +24805,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec } // make sure the top element of the pointer exists - json_pointer top_pointer = ptr.top(); + json_pointer const top_pointer = ptr.top(); if (top_pointer != ptr) { result.at(top_pointer); @@ -23902,7 +24817,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec // parent must exist when performing patch add per RFC6902 specs basic_json& parent = result.at(ptr); - switch (parent.m_type) + switch (parent.m_data.m_type) { case value_t::null: case value_t::object: @@ -23948,7 +24863,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec }; // wrapper for "remove" operation; remove value at ptr - const auto operation_remove = [this, &result](json_pointer & ptr) + const auto operation_remove = [this, & result](json_pointer & ptr) { // get reference to parent of JSON pointer ptr const auto last_path = ptr.back(); @@ -23986,18 +24901,18 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec for (const auto& val : json_patch) { // wrapper to get a value for an operation - const auto get_value = [&val](const std::string & op, - const std::string & member, + const auto get_value = [&val](const string_t& op, + const string_t& member, bool string_type) -> basic_json & { // find value - auto it = val.m_value.object->find(member); + auto it = val.m_data.m_value.object->find(member); // context-sensitive error message - const auto error_msg = (op == "op") ? "operation" : detail::concat("operation '", op, '\''); + const auto error_msg = (op == "op") ? "operation" : detail::concat("operation '", op, '\''); // NOLINT(bugprone-unused-local-non-trivial-variable) // check if desired value is present - if (JSON_HEDLEY_UNLIKELY(it == val.m_value.object->end())) + if (JSON_HEDLEY_UNLIKELY(it == val.m_data.m_value.object->end())) { // NOLINTNEXTLINE(performance-inefficient-string-concatenation) JSON_THROW(parse_error::create(105, 0, detail::concat(error_msg, " must have member '", member, "'"), &val)); @@ -24021,8 +24936,8 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec } // collect mandatory members - const auto op = get_value("op", "op", true).template get(); - const auto path = get_value(op, "path", true).template get(); + const auto op = get_value("op", "op", true).template get(); + const auto path = get_value(op, "path", true).template get(); json_pointer ptr(path); switch (get_op(op)) @@ -24048,11 +24963,11 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec case patch_operations::move: { - const auto from_path = get_value("move", "from", true).template get(); + const auto from_path = get_value("move", "from", true).template get(); json_pointer from_ptr(from_path); // the "from" location must exist - use at() - basic_json v = result.at(from_ptr); + basic_json const v = result.at(from_ptr); // The move operation is functionally identical to a // "remove" operation on the "from" location, followed @@ -24065,11 +24980,11 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec case patch_operations::copy: { - const auto from_path = get_value("copy", "from", true).template get(); + const auto from_path = get_value("copy", "from", true).template get(); const json_pointer from_ptr(from_path); // the "from" location must exist - use at() - basic_json v = result.at(from_ptr); + basic_json const v = result.at(from_ptr); // The copy is functionally identical to an "add" // operation at the target location using the value @@ -24125,7 +25040,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec /// @sa https://json.nlohmann.me/api/basic_json/diff/ JSON_HEDLEY_WARN_UNUSED_RESULT static basic_json diff(const basic_json& source, const basic_json& target, - const std::string& path = "") + const string_t& path = "") { // the patch basic_json result(value_t::array); @@ -24155,7 +25070,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec while (i < source.size() && i < target.size()) { // recursive call to compare array values at index i - auto temp_diff = diff(source[i], target[i], detail::concat(path, '/', std::to_string(i))); + auto temp_diff = diff(source[i], target[i], detail::concat(path, '/', detail::to_string(i))); result.insert(result.end(), temp_diff.begin(), temp_diff.end()); ++i; } @@ -24172,7 +25087,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec result.insert(result.begin() + end_index, object( { {"op", "remove"}, - {"path", detail::concat(path, '/', std::to_string(i))} + {"path", detail::concat(path, '/', detail::to_string(i))} })); ++i; } @@ -24183,7 +25098,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec result.push_back( { {"op", "add"}, - {"path", detail::concat(path, "/-")}, + {"path", detail::concat(path, "/-")}, {"value", target[i]} }); ++i; @@ -24198,7 +25113,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec for (auto it = source.cbegin(); it != source.cend(); ++it) { // escape the key name to be used in a JSON patch - const auto path_key = detail::concat(path, '/', detail::escape(it.key())); + const auto path_key = detail::concat(path, '/', detail::escape(it.key())); if (target.find(it.key()) != target.end()) { @@ -24222,7 +25137,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec if (source.find(it.key()) == source.end()) { // found a key that is not in this -> add it - const auto path_key = detail::concat(path, '/', detail::escape(it.key())); + const auto path_key = detail::concat(path, '/', detail::escape(it.key())); result.push_back( { {"op", "add"}, {"path", path_key}, @@ -24311,7 +25226,11 @@ inline namespace json_literals /// @brief user-defined string literal for JSON values /// @sa https://json.nlohmann.me/api/basic_json/operator_literal_json/ JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json operator "" _json(const char* s, std::size_t n) +#if !defined(JSON_HEDLEY_GCC_VERSION) || JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) + inline nlohmann::json operator ""_json(const char* s, std::size_t n) +#else + inline nlohmann::json operator "" _json(const char* s, std::size_t n) +#endif { return nlohmann::json::parse(s, s + n); } @@ -24319,7 +25238,11 @@ inline nlohmann::json operator "" _json(const char* s, std::size_t n) /// @brief user-defined string literal for JSON pointer /// @sa https://json.nlohmann.me/api/basic_json/operator_literal_json_pointer/ JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n) +#if !defined(JSON_HEDLEY_GCC_VERSION) || JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) + inline nlohmann::json::json_pointer operator ""_json_pointer(const char* s, std::size_t n) +#else + inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n) +#endif { return nlohmann::json::json_pointer(std::string(s, n)); } @@ -24338,7 +25261,7 @@ namespace std // NOLINT(cert-dcl58-cpp) /// @brief hash value for JSON objects /// @sa https://json.nlohmann.me/api/basic_json/std_hash/ NLOHMANN_BASIC_JSON_TPL_DECLARATION -struct hash +struct hash // NOLINT(cert-dcl58-cpp) { std::size_t operator()(const nlohmann::NLOHMANN_BASIC_JSON_TPL& j) const { @@ -24371,8 +25294,8 @@ struct less< ::nlohmann::detail::value_t> // do not remove the space after '<', /// @brief exchanges the values of two JSON objects /// @sa https://json.nlohmann.me/api/basic_json/std_swap/ NLOHMANN_BASIC_JSON_TPL_DECLARATION -inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC_JSON_TPL& j2) noexcept( // NOLINT(readability-inconsistent-declaration-parameter-name) - is_nothrow_move_constructible::value&& // NOLINT(misc-redundant-expression) +inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC_JSON_TPL& j2) noexcept( // NOLINT(readability-inconsistent-declaration-parameter-name, cert-dcl58-cpp) + is_nothrow_move_constructible::value&& // NOLINT(misc-redundant-expression,cppcoreguidelines-noexcept-swap,performance-noexcept-swap) is_nothrow_move_assignable::value) { j1.swap(j2); @@ -24383,17 +25306,22 @@ inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC } // namespace std #if JSON_USE_GLOBAL_UDLS - using nlohmann::literals::json_literals::operator "" _json; // NOLINT(misc-unused-using-decls,google-global-names-in-headers) - using nlohmann::literals::json_literals::operator "" _json_pointer; //NOLINT(misc-unused-using-decls,google-global-names-in-headers) + #if !defined(JSON_HEDLEY_GCC_VERSION) || JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) + using nlohmann::literals::json_literals::operator ""_json; // NOLINT(misc-unused-using-decls,google-global-names-in-headers) + using nlohmann::literals::json_literals::operator ""_json_pointer; //NOLINT(misc-unused-using-decls,google-global-names-in-headers) + #else + using nlohmann::literals::json_literals::operator "" _json; // NOLINT(misc-unused-using-decls,google-global-names-in-headers) + using nlohmann::literals::json_literals::operator "" _json_pointer; //NOLINT(misc-unused-using-decls,google-global-names-in-headers) + #endif #endif // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT @@ -24424,20 +25352,22 @@ inline void swap(nlohmann::NLOHMANN_BASIC_JSON_TPL& j1, nlohmann::NLOHMANN_BASIC #undef JSON_HAS_CPP_14 #undef JSON_HAS_CPP_17 #undef JSON_HAS_CPP_20 + #undef JSON_HAS_CPP_23 #undef JSON_HAS_FILESYSTEM #undef JSON_HAS_EXPERIMENTAL_FILESYSTEM #undef JSON_HAS_THREE_WAY_COMPARISON #undef JSON_HAS_RANGES + #undef JSON_HAS_STATIC_RTTI #undef JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON #endif // #include // __ _____ _____ _____ // __| | __| | | | JSON for Modern C++ -// | | |__ | | | | | | version 3.11.2 +// | | |__ | | | | | | version 3.12.0 // |_____|_____|_____|_|___| https://github.com/nlohmann/json // -// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann +// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann // SPDX-License-Identifier: MIT