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#pragma once
#include <iostream>
#include <vector>
#define LOG_LEVEL Info
namespace Logger
{
struct Struct
{
constexpr static const int32_t value = 6;
constexpr static const char* name = "Struct ";
};
struct Debug
{
constexpr static const int32_t value = 5;
constexpr static const char* name = "Debug ";
};
struct Info
{
constexpr static const int32_t value = 4;
constexpr static const char* name = "Info ";
};
struct Warning
{
constexpr static const int32_t value = 3;
constexpr static const char* name = "Warning ";
};
struct Error
{
constexpr static const int32_t value = 2;
constexpr static const char* name = "Error ";
};
struct Critical
{
constexpr static const int32_t value = 1;
constexpr static const char* name = "Critical";
};
template <std::size_t Len>
constexpr const char* baseNameImpl(const char (&str)[Len], std::size_t pos)
{
return pos == 0 ? str
: (str[pos] == '/' || str[pos] == '\\') ? str + pos + 1
: baseNameImpl(str, --pos);
}
template <std::size_t Len>
constexpr const char* baseName(const char (&str)[Len])
{
return baseNameImpl(str, Len - 1);
}
template <typename T>
std::ostream& operator<<(std::ostream& os, const std::vector<T>& v)
{
for (const auto& i : v)
{
os << i << " ";
}
return os;
}
template <typename DefinedLogLevel, typename LogLevel, typename... Args>
constexpr void logImpl(const char* file, int32_t line, const char* fname,
Args&&... args)
{
if constexpr (LogLevel::value <= DefinedLogLevel::value)
{
std::cout << "[" << LogLevel::name << "] [" << file << ":" << line
<< "] " << fname << "(): ";
(std::cout << ... << args) << std::endl;
}
}
template <typename LogLevel, typename... Args>
constexpr void log(const char* file, int32_t line, const char* fname,
Args&&... args)
{
logImpl<LOG_LEVEL, LogLevel>(file, line, fname, args...);
}
#define LogMsg(level, ...) \
Logger::log<level>(Logger::baseName(__FILE__), __LINE__, __FUNCTION__, \
__VA_ARGS__)
} // namespace Logger
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