io.h

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#ifndef QB_TYPES_H
#define QB_TYPES_H
 
#include <iostream>
#include <mutex>
#include <sstream>
#include <type_traits>
#include <utility>
 
#ifdef QB_LOGGER
#include <nanolog/nanolog.h>
#endif
 
namespace qb {
#ifdef NDEBUG
constexpr static bool debug = false;
#else
constexpr static bool debug = true;
#endif
 
namespace io {
#ifdef QB_LOGGER
namespace log {
using stream = nanolog::NanoLogLine;
using Level  = nanolog::LogLevel;
void setLevel(Level lvl);

void init(std::string const &file_path, uint32_t roll_MB = 128);
} // namespace log
#endif

class cout {
    static std::mutex io_lock;
    std::stringstream ss;
 
public:
    cout() = default;

    cout(cout const &) = delete;

    ~cout();

    template <typename T>
    inline std::stringstream &
    operator<<(T const &data) {
        ss << data;
        return ss;
    }
 
    inline std::stringstream &
    operator<<(std::ostream &(*manip)(std::ostream &)) {
        ss << manip;
        return ss;
    }
};

class cerr {
    static std::mutex io_lock;
    std::stringstream ss;
public:
    cerr() = default;
    cerr(cerr const &) = delete;
    ~cerr();
    template <typename T>
    inline std::stringstream &
    operator<<(T const &data) {
        ss << data; 
        return ss;
    }
 
    inline std::stringstream &
    operator<<(std::ostream &(*manip)(std::ostream &)) {
        ss << manip;
        return ss;
    }
};  
} // namespace io
} // namespace qb
 
#ifndef QB_LOGGER
#ifdef QB_STDOUT_LOG
#define LOG_DEBUG(X) qb::io::cout() << X << std::endl;
#define LOG_VERB(X) qb::io::cout() << X << std::endl;
#define LOG_INFO(X) qb::io::cout() << X << std::endl;
#define LOG_WARN(X) qb::io::cout() << X << std::endl;
#define LOG_CRIT(X) qb::io::cout() << X << std::endl;
#else
#define LOG_DEBUG(X) \
    do {             \
    } while (false)

#define LOG_VERB(X) \
    do {            \
    } while (false)

#define LOG_INFO(X) \
    do {            \
    } while (false)

#define LOG_WARN(X) \
    do {            \
    } while (false)

#define LOG_CRIT(X) \
    do {            \
    } while (false)
#endif
#endif
 
#endif // QB_TYPES_H