External/common/FmtLog/fmtlog.h

#ifndef FMTLOG_H
#define FMTLOG_H

#include <chrono>

#include "fmt/core.h"
#include "fmt/chrono.h"
#include "fmt/color.h"
#include <regex>


/**
 * 说明：使用方式和使用fmt的print方式一样
 *      输出格式如下
 *      [2024-09-01 23:10:50][widget.cpp:52] 你好
 */


/* 取出文件名的正则表达式 */
#if defined (_WIN32)
const std::regex _reg_file(R"(.*\\([\S]*[\.][\S]*)$)");
#elif defined(__linux__)
const std::regex _reg_file(R"(.*/([\S]*[\.][\S]*)$)");
#endif

/* Debug输出 */
#define FMTLOG_DEBUG(...) \
    do{ \
        auto _now = std::chrono::system_clock::now(); \
        std::time_t _now_c = std::chrono::system_clock::to_time_t(_now); \
        std::string _log_time = fmt::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(_now_c)); \
        std::string _log_file_src = __FILE__; \
        auto _log_file = std::regex_replace(_log_file_src, _reg_file, "$1"); \
        std::string _log_str = fmt::format(__VA_ARGS__); \
        fmt::print(fg(fmt::color::blue), "[{}][{}][{}:{}] {}\n", _log_time, "DEBUG", _log_file , __LINE__ , _log_str); \
    }while(0)

/* 正常输出 */
#define FMTLOG_INFO(...) \
    do{ \
        auto _now = std::chrono::system_clock::now(); \
        std::time_t _now_c = std::chrono::system_clock::to_time_t(_now); \
        std::string _log_time = fmt::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(_now_c)); \
        std::string _log_file_src = __FILE__; \
        auto _log_file = std::regex_replace(_log_file_src, _reg_file, "$1"); \
        std::string _log_str = fmt::format(__VA_ARGS__); \
        fmt::print(fg(fmt::color::green), "[{}][{}][{}:{}] {}\n", _log_time, "INFO", _log_file, __LINE__, _log_str); \
    }while(0)

/* Warn输出 */
#define FMTLOG_WARN(...) \
    do{ \
        auto _now = std::chrono::system_clock::now(); \
        std::time_t _now_c = std::chrono::system_clock::to_time_t(_now); \
        std::string _log_time = fmt::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(_now_c)); \
        std::string _log_file_src = __FILE__; \
        auto _log_file = std::regex_replace(_log_file_src, _reg_file, "$1"); \
        std::string _log_str = fmt::format(__VA_ARGS__); \
        fmt::print(fg(fmt::color::yellow), "[{}][{}][{}:{}] {}\n", _log_time, "WARN", _log_file, __LINE__, _log_str); \
    }while(0)

/* 错误输出 */
#define FMTLOG_ERROR(...) \
    do{ \
        auto _now = std::chrono::system_clock::now(); \
        std::time_t _now_c = std::chrono::system_clock::to_time_t(_now); \
        std::string _log_time = fmt::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(_now_c)); \
        std::string _log_file_src = __FILE__; \
        auto _log_file = std::regex_replace(_log_file_src, _reg_file, "$1"); \
        std::string _log_str = fmt::format(__VA_ARGS__); \
        fmt::print(fg(fmt::color::red), "[{}][{}][{}:{}] {}\n", _log_time, "ERROR", _log_file, __LINE__, _log_str); \
    }while(0)

/******************** 不输出换行符 *********************/
/* Debug输出 */
#define FMTLOG_DEBUG_NON(...) \
    do{ \
        auto _now = std::chrono::system_clock::now(); \
        std::time_t _now_c = std::chrono::system_clock::to_time_t(_now); \
        std::string _log_time = fmt::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(_now_c)); \
        std::string _log_file_src = __FILE__; \
        auto _log_file = std::regex_replace(_log_file_src, _reg_file, "$1"); \
        std::string _log_str = fmt::format(__VA_ARGS__); \
        fmt::print(fg(fmt::color::blue), "[{}][{}][{}:{}] {}", _log_time, "DEBUG", _log_file , __LINE__ , _log_str); \
    }while(0)

/* 正常输出 */
#define FMTLOG_INFO_NON(...) \
    do{ \
        auto _now = std::chrono::system_clock::now(); \
        std::time_t _now_c = std::chrono::system_clock::to_time_t(_now); \
        std::string _log_time = fmt::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(_now_c)); \
        std::string _log_file_src = __FILE__; \
        auto _log_file = std::regex_replace(_log_file_src, _reg_file, "$1"); \
        std::string _log_str = fmt::format(__VA_ARGS__); \
        fmt::print(fg(fmt::color::green), "[{}][{}][{}:{}] {}", _log_time, "INFO", _log_file, __LINE__, _log_str); \
    }while(0)


// void hello()
// {
//     auto now = std::chrono::system_clock::now();
//     std::time_t now_c = std::chrono::system_clock::to_time_t(now);
//     std::string _log_time = fmt::format("{:%Y-%m-%d %H:%M:%S}", fmt::localtime(now_c));
//     fmt::print(fg(fmt::color::green), "Hello, {}!\n", _log_time);
//     std::regex_replace("hello", _reg_file, "$1");
//     fmt::format(fg(fmt::color::green), "Hello, {}!\n", _log_time);
// }

/**
 * @brief 采用单例模式
 * 
 */
// class FmtLog
// {
// private:
//     FmtLog();
//     FmtLog(const FmtLog &fl) = delete;
//     FmtLog &operator=(const FmtLog &fl) = delete;
// public:
//     ~FmtLog();
//     static FmtLog& getInstance()
//     {
//         static FmtLog fl;
//         return fl;
//     }

//     /*  */
// private:
//     /* 子线程函数，处理字符串 */
//     void threadProcessStr();

// private:

// };

#endif /* FMTLOG_H */