Config.h

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/*
 * SNode.C - A Slim Toolkit for Network Communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025, 2026
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
/*
 * MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 */
 
#ifndef UTILS_CONFIG_H
#define UTILS_CONFIG_H
 
#include "utils/SubCommand.h"
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <cstddef>
#include <string>
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace utils::config {} // namespace utils::config
 
namespace utils {
 
    class ConfigRoot : public utils::SubCommand {
    private:
        ConfigRoot();
 
    public:
        void* operator new(std::size_t) = delete;
 
        ~ConfigRoot() override;
 
    private:
        ConfigRoot* addRootOptions(const std::string& applicationName,
                                   const std::string& userName,
                                   const std::string& groupName,
                                   const std::string& configDirectory,
                                   const std::string& logDirectory,
                                   const std::string& pidDirectory);
        bool parse1(int argc, char* argv[]);
        bool bootstrap(int argc, char* argv[]);
        bool parse2(int argc, char* argv[], bool parse1 = false);
        void terminate();
 
        std::string applicationName;
        std::string pidDirectory;
 
        CLI::Option* daemonizeOpt = nullptr;
        CLI::Option* logFileOpt = nullptr;
        CLI::Option* monochromLogOpt = nullptr;
        CLI::Option* userNameOpt = nullptr;
        CLI::Option* groupNameOpt = nullptr;
        CLI::Option* enforceLogFileOpt = nullptr;
        CLI::Option* logLevelOpt = nullptr;
        CLI::Option* verboseLevelOpt = nullptr;
        CLI::Option* quietOpt = nullptr;
        CLI::Option* versionOpt = nullptr;
        CLI::Option* writeConfigOpt = nullptr;
        CLI::Option* killOpt = nullptr;
        CLI::Option* aliasOpt = nullptr;
 
        friend class Config;
    };
 
    class Config {
    public:
        Config() = delete;
        Config(const Config&) = delete;
        ~Config() = delete;
 
        Config& operator=(const Config&) = delete;
 
        static bool init(int argc, char* argv[]);
        static bool bootstrap();
        static void parse();
        static void terminate();
 
        static const std::string& getApplicationName();
        static int getLogLevel();
        static int getVerboseLevel();
 
        static ConfigRoot configRoot;
 
    private:
        static int argc;
        static char** argv;
 
        static std::string applicationName;
 
        static std::string configDirectory;
        static std::string logDirectory;
        static std::string pidDirectory;
 
        friend class ConfigRoot;
    };
 
    //////////////////
} // namespace utils
 
#endif // UTILS_CONFIG_H