log.h

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#pragma once
#include <string_view>
#include <cstdint>
#include <string_view>
#include <string>
#include <chrono>
 
namespace adtf_file
{

enum class LogLevel : uint8_t
{
    None = 0, 
    Error = 10, 
    Warning = 20, 
    Info = 30, 
    Detail = 35, 
    Dump = 40, 
    Debug = Dump, 
    All = 0xFF 
};

struct SourceLocation
{
    std::string_view file; 
    size_t line; 
    std::string_view function; 
};

struct LogEntry
{
    std::chrono::system_clock::time_point timestamp; 
    LogLevel log_level; 
    std::string_view message; 
    SourceLocation location; 
};

class Logger
{
public:
    virtual void log(std::chrono::system_clock::time_point timestamp,
                     LogLevel log_level,
                     std::string_view message,
                     SourceLocation location) noexcept = 0;
};

Logger& getLogger() noexcept;

Logger& getDefaultLogger() noexcept;

bool getTerminalColorSupport(FILE* output) noexcept;

std::string defaultLogFormat(std::chrono::system_clock::time_point timestamp,
                             LogLevel log_level,
                             std::string_view message,
                             SourceLocation location,
                             bool bWithColor) noexcept;

#define ADTF_FILE_CURRENT_SOURCE_LOCATION() \
    adtf_file::SourceLocation               \
    {                                       \
        __FILE__, __LINE__, __func__        \
    }

#define ADTF_FILE_LOG(__level, __message)                                            \
    adtf_file::getLogger().log(std::chrono::system_clock::now(), __level, __message, \
                               ADTF_FILE_CURRENT_SOURCE_LOCATION())

#define ADTF_FILE_LOG_DUMP(__message) ADTF_FILE_LOG(adtf_file::LogLevel::Dump, __message)
#define ADTF_FILE_LOG_DETAIL(__message) ADTF_FILE_LOG(adtf_file::LogLevel::Detail, __message)
#define ADTF_FILE_LOG_INFO(__message) ADTF_FILE_LOG(adtf_file::LogLevel::Info, __message)
#define ADTF_FILE_LOG_WARNING(__message) ADTF_FILE_LOG(adtf_file::LogLevel::Warning, __message)
#define ADTF_FILE_LOG_ERROR(__message) ADTF_FILE_LOG(adtf_file::LogLevel::Error, __message)
 
} // namespace adtf_file
 
extern "C"
{
#ifdef _WIN32
    __declspec(dllimport)
#endif
    void adtfFileSetLogger(adtf_file::Logger* logger);
}