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