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#ifndef LOGGER_H
#define LOGGER_H
#include <fstream>
#include <sstream>
using namespace std;
enum LogLevel { DEBUG, INFO, WARNING, ERROR, CRITICAL };
class Logger
{
public:
static Logger* getInstance();
~Logger();
/**
* Do not allow copies.
*/
Logger(const Logger& obj) = delete;
/**
* Set the log level.
* @param the log level to set to.
*/
void setLevel(LogLevel);
/**
* Log a message at a certain log level.
* @param The level to log this message. If the level is lower than the
* level set by `setLevel`, then the message is not logged.
* @param The message to log.
*/
void log(LogLevel, const string &);
private:
/**
* Constructor.
* @param The file name to log to.
* @return A new logger object.
*/
Logger(const string &);
static Logger* logger_instance;
static LogLevel level;
static ofstream logFile;
static string level_to_string(LogLevel);
static int level_to_int(LogLevel);
};
#endif /* LOGGER_H_INCLUDED */
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