log.h

//SPDX-License-Identifier:         LGPL-3.0-or-later
#pragma once
#include <iostream>
#include <string>
 
namespace eis
{
 
class Log 
{
public:
        
        enum Level
        {
                DEBUG, 
                INFO,  
                WARN,  
                ERROR  
        };
 
private:
        bool opened = false;
        Level msglevel = DEBUG;
        bool endline = true;
 
        std::string getLabel(Level level);
        
public:
 
        static bool headers; 
        static Level level;  
        Log() {}
        Log(Level type, bool endline = true);
        ~Log();
        
        template<class T> Log &operator<<(const T &msg) 
        {
                if(msglevel >= level) 
                {
                        std::cout<<msg;
                        opened = true;
                }
                return *this;
        }
};
 
}