spdlog/include/c11log/formatter.h
2014-03-01 14:06:58 +02:00

60 lines
1.8 KiB
C++

#pragma once
#include <string>
#include <chrono>
#include <functional>
#include <sstream>
#include <iomanip>
#include "common_types.h"
#include "details/os.h"
namespace c11log {
namespace formatters {
typedef std::function<std::string(const std::string& logger_name, const std::string&, level::level_enum, const c11log::log_clock::time_point&)> format_fn;
std::string to_hex(const unsigned char* buf, std::size_t size);
class formatter {
public:
formatter() {}
virtual ~formatter() {}
virtual void format_header(const std::string& logger_name, level::level_enum level, const log_clock::time_point& tp, std::ostream& dest) = 0;
};
class default_formatter: public formatter {
public:
// Format: [2013-12-29 01:04:42.900] [logger_name:Info] Message body
void format_header(const std::string& logger_name, level::level_enum level, const log_clock::time_point& tp, std::ostream& dest) override {
_format_time(tp, dest);
dest << " [" << logger_name << ":" << c11log::level::to_str(level) << "] ";
}
private:
void _format_time(const log_clock::time_point& tp, std::ostream &dest);
};
} //namespace formatter
} //namespace c11log
inline void c11log::formatters::default_formatter::_format_time(const log_clock::time_point& tp, std::ostream &dest)
{
using namespace std::chrono;
auto tm = details::os::localtime(log_clock::to_time_t(tp));
char buff[64];
int size = snprintf(buff, sizeof(buff), "[%d-%02d-%02d %02d:%02d:%02d]",
tm.tm_year + 1900,
tm.tm_mon + 1,
tm.tm_mday,
tm.tm_hour,
tm.tm_min,
tm.tm_sec);
dest.write(buff, size);
}