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author | Daniil Cherednik <dan.cherednik@gmail.com> | 2022-10-11 17:07:02 +0300 |
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committer | Daniil Cherednik <dan.cherednik@gmail.com> | 2022-10-11 17:07:02 +0300 |
commit | 0b931ad6e6868bca7e7ec4617999c0d6befd7003 (patch) | |
tree | c10d4fcf9f5a638745e9c2b725852f03e5a175ce /contrib/restricted/nlohmann_json/include/nlohmann/detail/exceptions.hpp | |
parent | e6c9b17192c56494adba359d5e132c431b241191 (diff) | |
download | ydb-0b931ad6e6868bca7e7ec4617999c0d6befd7003.tar.gz |
Ydb stable 22-4-3022.4.30
x-stable-origin-commit: a5971297427891237b5f05b5389146b6ca2fff93
Diffstat (limited to 'contrib/restricted/nlohmann_json/include/nlohmann/detail/exceptions.hpp')
-rw-r--r-- | contrib/restricted/nlohmann_json/include/nlohmann/detail/exceptions.hpp | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/contrib/restricted/nlohmann_json/include/nlohmann/detail/exceptions.hpp b/contrib/restricted/nlohmann_json/include/nlohmann/detail/exceptions.hpp new file mode 100644 index 0000000000..96d7e01040 --- /dev/null +++ b/contrib/restricted/nlohmann_json/include/nlohmann/detail/exceptions.hpp @@ -0,0 +1,255 @@ +// __ _____ _____ _____ +// __| | __| | | | JSON for Modern C++ +// | | |__ | | | | | | version 3.11.2 +// |_____|_____|_____|_|___| https://github.com/nlohmann/json +// +// SPDX-FileCopyrightText: 2013-2022 Niels Lohmann <https://nlohmann.me> +// SPDX-License-Identifier: MIT + +#pragma once + +#include <cstddef> // nullptr_t +#include <exception> // exception +#include <stdexcept> // runtime_error +#include <string> // to_string +#include <vector> // vector + +#include <nlohmann/detail/value_t.hpp> +#include <nlohmann/detail/string_escape.hpp> +#include <nlohmann/detail/input/position_t.hpp> +#include <nlohmann/detail/macro_scope.hpp> +#include <nlohmann/detail/meta/cpp_future.hpp> +#include <nlohmann/detail/meta/type_traits.hpp> +#include <nlohmann/detail/string_concat.hpp> + + +NLOHMANN_JSON_NAMESPACE_BEGIN +namespace detail +{ + +//////////////// +// exceptions // +//////////////// + +/// @brief general exception of the @ref basic_json class +/// @sa https://json.nlohmann.me/api/basic_json/exception/ +class exception : public std::exception +{ + public: + /// returns the explanatory string + const char* what() const noexcept override + { + return m.what(); + } + + /// the id of the exception + const int id; // NOLINT(cppcoreguidelines-non-private-member-variables-in-classes) + + protected: + JSON_HEDLEY_NON_NULL(3) + exception(int id_, const char* what_arg) : id(id_), m(what_arg) {} // NOLINT(bugprone-throw-keyword-missing) + + static std::string name(const std::string& ename, int id_) + { + return concat("[json.exception.", ename, '.', std::to_string(id_), "] "); + } + + static std::string diagnostics(std::nullptr_t /*leaf_element*/) + { + return ""; + } + + template<typename BasicJsonType> + static std::string diagnostics(const BasicJsonType* leaf_element) + { +#if JSON_DIAGNOSTICS + std::vector<std::string> tokens; + for (const auto* current = leaf_element; current != nullptr && current->m_parent != nullptr; current = current->m_parent) + { + switch (current->m_parent->type()) + { + case value_t::array: + { + for (std::size_t i = 0; i < current->m_parent->m_value.array->size(); ++i) + { + if (¤t->m_parent->m_value.array->operator[](i) == current) + { + tokens.emplace_back(std::to_string(i)); + break; + } + } + break; + } + + case value_t::object: + { + for (const auto& element : *current->m_parent->m_value.object) + { + if (&element.second == current) + { + tokens.emplace_back(element.first.c_str()); + break; + } + } + break; + } + + case value_t::null: // LCOV_EXCL_LINE + case value_t::string: // LCOV_EXCL_LINE + case value_t::boolean: // LCOV_EXCL_LINE + case value_t::number_integer: // LCOV_EXCL_LINE + case value_t::number_unsigned: // LCOV_EXCL_LINE + case value_t::number_float: // LCOV_EXCL_LINE + case value_t::binary: // LCOV_EXCL_LINE + case value_t::discarded: // LCOV_EXCL_LINE + default: // LCOV_EXCL_LINE + break; // LCOV_EXCL_LINE + } + } + + if (tokens.empty()) + { + return ""; + } + + auto str = std::accumulate(tokens.rbegin(), tokens.rend(), std::string{}, + [](const std::string & a, const std::string & b) + { + return concat(a, '/', detail::escape(b)); + }); + return concat('(', str, ") "); +#else + static_cast<void>(leaf_element); + return ""; +#endif + } + + private: + /// an exception object as storage for error messages + std::runtime_error m; +}; + +/// @brief exception indicating a parse error +/// @sa https://json.nlohmann.me/api/basic_json/parse_error/ +class parse_error : public exception +{ + public: + /*! + @brief create a parse error exception + @param[in] id_ the id of the exception + @param[in] pos the position where the error occurred (or with + chars_read_total=0 if the position cannot be + determined) + @param[in] what_arg the explanatory string + @return parse_error object + */ + template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::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); + return {id_, pos.chars_read_total, w.c_str()}; + } + + template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::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); + return {id_, byte_, w.c_str()}; + } + + /*! + @brief byte index of the parse error + + The byte index of the last read character in the input file. + + @note For an input with n bytes, 1 is the index of the first character and + n+1 is the index of the terminating null byte or the end of file. + This also holds true when reading a byte vector (CBOR or MessagePack). + */ + const std::size_t byte; + + private: + parse_error(int id_, std::size_t byte_, const char* what_arg) + : exception(id_, what_arg), byte(byte_) {} + + static std::string position_string(const position_t& pos) + { + return concat(" at line ", std::to_string(pos.lines_read + 1), + ", column ", std::to_string(pos.chars_read_current_line)); + } +}; + +/// @brief exception indicating errors with iterators +/// @sa https://json.nlohmann.me/api/basic_json/invalid_iterator/ +class invalid_iterator : public exception +{ + public: + template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::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); + return {id_, w.c_str()}; + } + + private: + JSON_HEDLEY_NON_NULL(3) + invalid_iterator(int id_, const char* what_arg) + : exception(id_, what_arg) {} +}; + +/// @brief exception indicating executing a member function with a wrong type +/// @sa https://json.nlohmann.me/api/basic_json/type_error/ +class type_error : public exception +{ + public: + template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::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); + return {id_, w.c_str()}; + } + + private: + JSON_HEDLEY_NON_NULL(3) + type_error(int id_, const char* what_arg) : exception(id_, what_arg) {} +}; + +/// @brief exception indicating access out of the defined range +/// @sa https://json.nlohmann.me/api/basic_json/out_of_range/ +class out_of_range : public exception +{ + public: + template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::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); + return {id_, w.c_str()}; + } + + private: + JSON_HEDLEY_NON_NULL(3) + out_of_range(int id_, const char* what_arg) : exception(id_, what_arg) {} +}; + +/// @brief exception indicating other library errors +/// @sa https://json.nlohmann.me/api/basic_json/other_error/ +class other_error : public exception +{ + public: + template<typename BasicJsonContext, enable_if_t<is_basic_json_context<BasicJsonContext>::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); + return {id_, w.c_str()}; + } + + private: + JSON_HEDLEY_NON_NULL(3) + other_error(int id_, const char* what_arg) : exception(id_, what_arg) {} +}; + +} // namespace detail +NLOHMANN_JSON_NAMESPACE_END |