Program Listing for File Logger.h

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#ifndef GWMLOGGER_H
#define GWMLOGGER_H

#include <vector>
#include <string>
#include <numeric>

namespace gwm
{

inline std::string strjoin(const std::string& delm, const std::vector<std::string>& str_array)
{
    std::string ss = *str_array.cbegin();
    for (auto it = str_array.cbegin() + 1; it != str_array.cend(); it++)
        ss += (delm + *it);
    return ss;
}

struct ITelegram
{

    virtual ~ITelegram() {}

    enum class LogLevel
    {
        LOG_EMERG = 0,
        LOG_ALERT = 1,
        LOG_CRIT = 2,
        LOG_ERR = 3,
        LOG_WARNING = 4,
        LOG_NOTICE = 5,
        LOG_INFO = 6,
        LOG_DEBUG = 7
    };

    virtual void print(std::string message, ITelegram::LogLevel level, std::string fun_name, std::string file_name) = 0;

    virtual void progress(std::size_t current, std::size_t total, std::string fun_name, std::string file_name) = 0;

    virtual void progress(double percent, std::string fun_name, std::string file_name) = 0;

    virtual bool stop() = 0;
};

class Logger : public ITelegram
{
public:

    Logger() {}

    ~Logger() {}

    void print(std::string message, LogLevel level, std::string fun_name, std::string file_name) override
    {
        (void)message;
        (void)level;
        (void)fun_name;
        (void)file_name;
    }

    void progress(std::size_t current, std::size_t total, std::string fun_name, std::string file_name) override
    {
        (void)current;
        (void)total;
        (void)fun_name;
        (void)file_name;
    }

    void progress(double percent, std::string fun_name, std::string file_name) override
    {
        (void)percent;
        (void)fun_name;
        (void)file_name;
    }

    bool stop() override { return false; }
};

}



#endif  // GWMLOGGER_H