errorHandling.hpp

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// Copyright (c) 2020-2025 Cody R. Drisko. All rights reserved.
// Licensed under the MIT License. See the LICENSE file in the project root for more information.
//
// Name: errorHandling.hpp
// Author: cdrisko
// Date: 01/31/2020-15:38:03
// Description: Utilities for printing error messages according to an error's severity
 
#ifndef DRYCHEM_COMMON_UTILITIES_INCLUDE_COMMON_UTILS_ERRORS_UTILS_ERRORHANDLING_HPP
#define DRYCHEM_COMMON_UTILITIES_INCLUDE_COMMON_UTILS_ERRORS_UTILS_ERRORHANDLING_HPP
 
#include <cstdlib>
#include <iostream>
#include <sstream>
 
#include "common-utils/errors/traits/isFatal.hpp"
#include "common-utils/errors/utils/errorTypes.hpp"
 
namespace CppUtils::Errors
{
    template<ErrorSeverity Severity = ErrorSeverity::Warning>
    inline void printErrorMessage(const ErrorMessage& error)
    {
        std::stringstream errorMessage;
 
        if (error.fileName.empty() && error.lineNumber == 0ul)
            errorMessage << "\n    " << error.message;
        else
            errorMessage << ' ' << error.message;
 
        if constexpr (is_fatal_v<Severity>)
        {
            std::cerr << error.programName << " Fatal Error:" << errorMessage.str() << std::endl;
            std::exit(EXIT_FAILURE);
        }
        else
            std::cerr << error.programName << " Warning:" << errorMessage.str() << std::endl;
    }

    inline auto printFatalErrorMessage = [](const ErrorMessage& error) { printErrorMessage<ErrorSeverity::Fatal>(error); };
}   // namespace CppUtils::Errors
 
#endif