Config.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef TRINITYCORE_CONFIG_H
#define TRINITYCORE_CONFIG_H
 
#include "Define.h"
#include <string>
#include <string_view>
#include <vector>
 
class TC_COMMON_API ConfigMgr
{
    ConfigMgr() = default;
    ~ConfigMgr() = default;
 
public:
    ConfigMgr(ConfigMgr const&) = delete;
    ConfigMgr(ConfigMgr&&) = delete;
    ConfigMgr& operator=(ConfigMgr const&) = delete;
    ConfigMgr& operator=(ConfigMgr&&) = delete;
 
    bool LoadInitial(std::string file, std::vector<std::string> args, std::string& error);
    bool LoadAdditionalFile(std::string file, bool keepOnReload, std::string& error);
    bool LoadAdditionalDir(std::string const& dir, bool keepOnReload, std::vector<std::string>& loadedFiles, std::vector<std::string>& errors);
 
    std::vector<std::string> OverrideWithEnvVariablesIfAny();
 
    static ConfigMgr* instance();
 
    bool Reload(std::vector<std::string>& errors);
 
    std::string GetStringDefault(std::string_view name, std::string_view def, bool quiet = false) const;
    bool GetBoolDefault(std::string_view name, bool def, bool quiet = false) const;
    int32 GetIntDefault(std::string_view name, int32 def, bool quiet = false) const;
    int64 GetInt64Default(std::string_view name, int64 def, bool quiet = false) const;
    float GetFloatDefault(std::string_view name, float def, bool quiet = false) const;
 
    std::string const& GetFilename();
    std::vector<std::string> const& GetArguments() const;
    std::vector<std::string> GetKeysByString(std::string const& name);
 
private:
    template<class T, class R = T>
    R GetValueDefault(std::string_view const& name, T def, bool quiet) const;
};
 
#define sConfigMgr ConfigMgr::instance()
 
#endif