Logger.h

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#pragma once
 
#include <fstream>
#include <string>
#include <vector>
 
namespace WasatchVCPP
{
    class Logger
    {
        public:
            enum class Levels 
            { 
                LOG_LEVEL_DEBUG = 0, 
                LOG_LEVEL_INFO  = 1, 
                LOG_LEVEL_ERROR = 2, 
                LOG_LEVEL_NEVER = 3
            };
 
            Levels level = Levels::LOG_LEVEL_DEBUG;
 
            void debug(const char* fmt, ...);
            void info(const char* fmt, ...);
            void error(const char* fmt, ...);
 
            bool setLogfile(const std::string& pathname);
 
        private:
            void output(const std::string& lvlName, const std::string& msg);
            std::ofstream logfile;
    };
}