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support/include/utils/error.hpp
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164
support/include/utils/error.hpp
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/*
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Copyright <2018-2025> <scott.e.graves@protonmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef FIFTHGRID_INCLUDE_UTILS_ERROR_HPP_
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#define FIFTHGRID_INCLUDE_UTILS_ERROR_HPP_
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#include "utils/config.hpp"
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namespace fifthgrid::utils::error {
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[[nodiscard]] auto create_error_message(std::vector<std::string_view> items)
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-> std::string;
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[[nodiscard]] auto create_error_message(std::string_view function_name,
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std::vector<std::string_view> items)
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-> std::string;
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[[nodiscard]] auto create_exception(std::string_view function_name,
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std::vector<std::string_view> items)
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-> std::runtime_error;
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struct i_exception_handler {
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virtual ~i_exception_handler() {}
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i_exception_handler(const i_exception_handler &) noexcept = delete;
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i_exception_handler(i_exception_handler &&) noexcept = delete;
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auto operator=(const i_exception_handler &) noexcept = delete;
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auto operator=(i_exception_handler &&) noexcept = delete;
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#if defined(PROJECT_ENABLE_V2_ERRORS)
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virtual void handle_debug(std::string_view function_name,
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std::string_view msg) const = 0;
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#endif // defined(PROJECT_ENABLE_V2_ERRORS)
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virtual void handle_error(std::string_view function_name,
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std::string_view msg) const = 0;
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virtual void handle_exception(std::string_view function_name) const = 0;
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virtual void handle_exception(std::string_view function_name,
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const std::exception &ex) const = 0;
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#if defined(PROJECT_ENABLE_V2_ERRORS)
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virtual void handle_info(std::string_view function_name,
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std::string_view msg) const = 0;
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virtual void handle_trace(std::string_view function_name,
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std::string_view msg) const = 0;
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virtual void handle_warn(std::string_view function_name,
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std::string_view msg) const = 0;
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#endif // defined(PROJECT_ENABLE_V2_ERRORS)
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protected:
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i_exception_handler() = default;
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};
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struct iostream_exception_handler final : public i_exception_handler {
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#if defined(PROJECT_ENABLE_V2_ERRORS)
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void handle_debug(std::string_view function_name,
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std::string_view msg) const override;
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#endif // defined(PROJECT_ENABLE_V2_ERRORS)
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void handle_error(std::string_view function_name,
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std::string_view msg) const override;
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void handle_exception(std::string_view function_name) const override;
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void handle_exception(std::string_view function_name,
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const std::exception &ex) const override;
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#if defined(PROJECT_ENABLE_V2_ERRORS)
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void handle_info(std::string_view function_name,
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std::string_view msg) const override;
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void handle_trace(std::string_view function_name,
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std::string_view msg) const override;
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void handle_warn(std::string_view function_name,
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std::string_view msg) const override;
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#endif // defined(PROJECT_ENABLE_V2_ERRORS)
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};
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#if defined(PROJECT_ENABLE_SPDLOG) && defined(PROJECT_ENABLE_V2_ERRORS)
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struct spdlog_exception_handler final : public i_exception_handler {
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void handle_debug(std::string_view function_name,
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std::string_view msg) const override;
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void handle_error(std::string_view function_name,
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std::string_view msg) const override;
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void handle_exception(std::string_view function_name) const override;
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void handle_exception(std::string_view function_name,
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const std::exception &ex) const override;
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void handle_info(std::string_view function_name,
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std::string_view msg) const override;
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void handle_trace(std::string_view function_name,
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std::string_view msg) const override;
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void handle_warn(std::string_view function_name,
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std::string_view msg) const override;
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private:
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iostream_exception_handler fallback{};
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};
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#endif // defined(PROJECT_ENABLE_SPDLOG) && defined(PROJECT_ENABLE_V2_ERRORS)
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#if defined(PROJECT_ENABLE_SPDLOG) && defined(PROJECT_ENABLE_V2_ERRORS)
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inline const spdlog_exception_handler default_exception_handler{};
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#else // !defined(PROJECT_ENABLE_SPDLOG) || !defined(PROJECT_ENABLE_V2_ERRORS)
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inline const iostream_exception_handler default_exception_handler{};
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#endif // defined(PROJECT_ENABLE_SPDLOG) && defined(PROJECT_ENABLE_V2_ERRORS)
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#if defined(PROJECT_ENABLE_V2_ERRORS)
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void handle_debug(std::string_view function_name, std::string_view msg);
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#endif // defined(PROJECT_ENABLE_V2_ERRORS)
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void handle_error(std::string_view function_name, std::string_view msg);
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void handle_exception(std::string_view function_name);
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void handle_exception(std::string_view function_name, const std::exception &ex);
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#if defined(PROJECT_ENABLE_V2_ERRORS)
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void handle_info(std::string_view function_name, std::string_view msg);
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void handle_trace(std::string_view function_name, std::string_view msg);
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void handle_warn(std::string_view function_name, std::string_view msg);
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#endif // defined(PROJECT_ENABLE_V2_ERRORS)
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void set_exception_handler(const i_exception_handler *handler);
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#if defined(PROJECT_ENABLE_TESTING)
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extern std::atomic<const i_exception_handler *> exception_handler;
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[[nodiscard]] inline auto get_exception_handler()
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-> const i_exception_handler * {
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return exception_handler;
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}
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#endif // defined(PROJECT_ENABLE_TESTING)
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} // namespace fifthgrid::utils::error
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#endif // FIFTHGRID_INCLUDE_UTILS_ERROR_HPP_
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