diff --git a/include/spdlog/details/pattern_formatter_impl.h b/include/spdlog/details/pattern_formatter_impl.h index cd92068a..73c0db3b 100644 --- a/include/spdlog/details/pattern_formatter_impl.h +++ b/include/spdlog/details/pattern_formatter_impl.h @@ -1,636 +1,636 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// - -#pragma once - -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -namespace spdlog -{ -namespace details -{ -class flag_formatter -{ -public: - virtual ~flag_formatter() - {} - virtual void format(details::log_msg& msg, const std::tm& tm_time) = 0; -}; - -/////////////////////////////////////////////////////////////////////// -// name & level pattern appenders -/////////////////////////////////////////////////////////////////////// -namespace -{ -class name_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - msg.formatted << *msg.logger_name; - } -}; -} - -// log level appender -class level_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - msg.formatted << level::to_str(msg.level); - } -}; - -// short log level appender -class short_level_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - msg.formatted << level::to_short_str(msg.level); - } -}; - -/////////////////////////////////////////////////////////////////////// -// Date time pattern appenders -/////////////////////////////////////////////////////////////////////// - -static const char* ampm(const tm& t) -{ - return t.tm_hour >= 12 ? "PM" : "AM"; -} - -static int to12h(const tm& t) -{ - return t.tm_hour > 12 ? t.tm_hour - 12 : t.tm_hour; -} - -//Abbreviated weekday name -static const std::string days[] { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; -class a_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << days[tm_time.tm_wday]; - } -}; - -//Full weekday name -static const std::string full_days[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" }; -class A_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << full_days[tm_time.tm_wday]; - } -}; - -//Abbreviated month -static const std::string months[] { "Jan", "Feb", "Mar", "Apr", "May", "June", "July", "Aug", "Sept", "Oct", "Nov", "Dec" }; -class b_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << months[tm_time.tm_mon]; - } -}; - -//Full month name -static const std::string full_months[] { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }; -class B_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << full_months[tm_time.tm_mon]; - } -}; - - -//write 2 ints seperated by sep with padding of 2 -static fmt::MemoryWriter& pad_n_join(fmt::MemoryWriter& w, int v1, int v2, char sep) -{ - w << fmt::pad(v1, 2, '0') << sep << fmt::pad(v2, 2, '0'); - return w; -} - -//write 3 ints seperated by sep with padding of 2 -static fmt::MemoryWriter& pad_n_join(fmt::MemoryWriter& w, int v1, int v2, int v3, char sep) -{ - w << fmt::pad(v1, 2, '0') << sep << fmt::pad(v2, 2, '0') << sep << fmt::pad(v3, 2, '0'); - return w; -} - - -//Date and time representation (Thu Aug 23 15:35:46 2014) -class c_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << days[tm_time.tm_wday] << ' ' << months[tm_time.tm_mon] << ' ' << tm_time.tm_mday << ' '; - pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec, ':') << ' ' << tm_time.tm_year + 1900; - } -}; - - -// year - 2 digit -class C_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << fmt::pad(tm_time.tm_year % 100, 2, '0'); - } -}; - - - -// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01 -class D_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - pad_n_join(msg.formatted, tm_time.tm_mon + 1, tm_time.tm_mday, tm_time.tm_year % 100, '/'); - } -}; - - -// year - 4 digit -class Y_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << tm_time.tm_year + 1900; - } -}; - -// month 1-12 -class m_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << fmt::pad(tm_time.tm_mon + 1, 2, '0'); - } -}; - -// day of month 1-31 -class d_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << fmt::pad(tm_time.tm_mday, 2, '0'); - } -}; - -// hours in 24 format 0-23 -class H_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << fmt::pad(tm_time.tm_hour, 2, '0'); - } -}; - -// hours in 12 format 1-12 -class I_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << fmt::pad(to12h(tm_time), 2, '0'); - } -}; - -// minutes 0-59 -class M_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << fmt::pad(tm_time.tm_min, 2, '0'); - } -}; - -// seconds 0-59 -class S_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << fmt::pad(tm_time.tm_sec, 2, '0'); - } -}; - -// milliseconds -class e_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - auto duration = msg.time.time_since_epoch(); - auto millis = std::chrono::duration_cast(duration).count() % 1000; - msg.formatted << fmt::pad(static_cast(millis), 3, '0'); - } -}; - -// microseconds -class f_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - auto duration = msg.time.time_since_epoch(); - auto micros = std::chrono::duration_cast(duration).count() % 1000000; - msg.formatted << fmt::pad(static_cast(micros), 6, '0'); - } -}; - -// nanoseconds -class F_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - auto duration = msg.time.time_since_epoch(); - auto ns = std::chrono::duration_cast(duration).count() % 1000000000; - msg.formatted << fmt::pad(static_cast(ns), 9, '0'); - } -}; - -// AM/PM -class p_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - msg.formatted << ampm(tm_time); - } -}; - - -// 12 hour clock 02:55:02 pm -class r_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - pad_n_join(msg.formatted, to12h(tm_time), tm_time.tm_min, tm_time.tm_sec, ':') << ' ' << ampm(tm_time); - } -}; - -// 24-hour HH:MM time, equivalent to %H:%M -class R_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, ':'); - } -}; - -// ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S -class T_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { - pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec, ':'); - } -}; - - -// ISO 8601 offset from UTC in timezone (+-HH:MM) -class z_formatter:public flag_formatter -{ -public: - const std::chrono::seconds cache_refresh = std::chrono::seconds(5); - - z_formatter():_last_update(std::chrono::seconds(0)) - {} - z_formatter(const z_formatter&) = delete; - z_formatter& operator=(const z_formatter&) = delete; - - void format(details::log_msg& msg, const std::tm& tm_time) override - { -#ifdef _WIN32 - int total_minutes = get_cached_offset(msg, tm_time); -#else - // No need to chache under gcc, - // it is very fast (already stored in tm.tm_gmtoff) - int total_minutes = os::utc_minutes_offset(tm_time); -#endif - bool is_negative = total_minutes < 0; - char sign; - if (is_negative) - { - total_minutes = -total_minutes; - sign = '-'; - } - else - { - sign = '+'; - } - - int h = total_minutes / 60; - int m = total_minutes % 60; - msg.formatted << sign; - pad_n_join(msg.formatted, h, m, ':'); - } -private: - log_clock::time_point _last_update; - int _offset_minutes; - std::mutex _mutex; - - int get_cached_offset(const log_msg& msg, const std::tm& tm_time) - { - using namespace std::chrono; - std::lock_guard l(_mutex); - if (msg.time - _last_update >= cache_refresh) - { - _offset_minutes = os::utc_minutes_offset(tm_time); - _last_update = msg.time; - } - return _offset_minutes; - } -}; - - - -//Thread id -class t_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - msg.formatted << msg.thread_id; - } -}; - - -class v_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm&) override - { - msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size()); - } -}; - -class ch_formatter:public flag_formatter -{ -public: - explicit ch_formatter(char ch): _ch(ch) - {} - void format(details::log_msg& msg, const std::tm&) override - { - msg.formatted << _ch; - } -private: - char _ch; -}; - - -//aggregate user chars to display as is -class aggregate_formatter:public flag_formatter -{ -public: - aggregate_formatter() - {} - void add_ch(char ch) - { - _str += ch; - } - void format(details::log_msg& msg, const std::tm&) override - { - msg.formatted << _str; - } -private: - std::string _str; -}; - -// Full info formatter -// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v -class full_formatter:public flag_formatter -{ - void format(details::log_msg& msg, const std::tm& tm_time) override - { -#ifndef SPDLOG_NO_DATETIME - auto duration = msg.time.time_since_epoch(); - auto millis = std::chrono::duration_cast(duration).count() % 1000; - - /* Slower version(while still very fast - about 3.2 million lines/sec under 10 threads), - msg.formatted.write("[{:d}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}.{:03d}] [{}] [{}] {} ", - tm_time.tm_year + 1900, - tm_time.tm_mon + 1, - tm_time.tm_mday, - tm_time.tm_hour, - tm_time.tm_min, - tm_time.tm_sec, - static_cast(millis), - msg.logger_name, - level::to_str(msg.level), - msg.raw.str());*/ - - - // Faster (albeit uglier) way to format the line (5.6 million lines/sec under 10 threads) - msg.formatted << '[' << static_cast(tm_time.tm_year + 1900) << '-' - << fmt::pad(static_cast(tm_time.tm_mon + 1), 2, '0') << '-' - << fmt::pad(static_cast(tm_time.tm_mday), 2, '0') << ' ' - << fmt::pad(static_cast(tm_time.tm_hour), 2, '0') << ':' - << fmt::pad(static_cast(tm_time.tm_min), 2, '0') << ':' - << fmt::pad(static_cast(tm_time.tm_sec), 2, '0') << '.' - << fmt::pad(static_cast(millis), 3, '0') << "] "; - - //no datetime needed -#else - (void)tm_time; -#endif - -#ifndef SPDLOG_NO_NAME - msg.formatted << '[' << *msg.logger_name << "] "; -#endif - - msg.formatted << '[' << level::to_str(msg.level) << "] "; - msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size()); - } -}; - -} -} -/////////////////////////////////////////////////////////////////////////////// -// pattern_formatter inline impl -/////////////////////////////////////////////////////////////////////////////// -inline spdlog::pattern_formatter::pattern_formatter(const std::string& pattern) -{ - compile_pattern(pattern); -} - -inline void spdlog::pattern_formatter::compile_pattern(const std::string& pattern) -{ - auto end = pattern.end(); - std::unique_ptr user_chars; - for (auto it = pattern.begin(); it != end; ++it) - { - if (*it == '%') - { - if (user_chars) //append user chars found so far - _formatters.push_back(std::move(user_chars)); - - if (++it != end) - handle_flag(*it); - else - break; - } - else // chars not following the % sign should be displayed as is - { - if (!user_chars) - user_chars = std::unique_ptr(new details::aggregate_formatter()); - user_chars->add_ch(*it); - } - } - if (user_chars) //append raw chars found so far - { - _formatters.push_back(std::move(user_chars)); - } - -} -inline void spdlog::pattern_formatter::handle_flag(char flag) -{ - switch (flag) - { - // logger name - case 'n': - _formatters.push_back(std::unique_ptr(new details::name_formatter())); - break; - - case 'l': - _formatters.push_back(std::unique_ptr(new details::level_formatter())); - break; - - case 'L': - _formatters.push_back(std::unique_ptr(new details::short_level_formatter())); - break; - - case('t'): - _formatters.push_back(std::unique_ptr(new details::t_formatter())); - break; - - case('v'): - _formatters.push_back(std::unique_ptr(new details::v_formatter())); - break; - - case('a'): - _formatters.push_back(std::unique_ptr(new details::a_formatter())); - break; - - case('A'): - _formatters.push_back(std::unique_ptr(new details::A_formatter())); - break; - - case('b'): - case('h'): - _formatters.push_back(std::unique_ptr(new details::b_formatter())); - break; - - case('B'): - _formatters.push_back(std::unique_ptr(new details::B_formatter())); - break; - case('c'): - _formatters.push_back(std::unique_ptr(new details::c_formatter())); - break; - - case('C'): - _formatters.push_back(std::unique_ptr(new details::C_formatter())); - break; - - case('Y'): - _formatters.push_back(std::unique_ptr(new details::Y_formatter())); - break; - - case('D'): - case('x'): - - _formatters.push_back(std::unique_ptr(new details::D_formatter())); - break; - - case('m'): - _formatters.push_back(std::unique_ptr(new details::m_formatter())); - break; - - case('d'): - _formatters.push_back(std::unique_ptr(new details::d_formatter())); - break; - - case('H'): - _formatters.push_back(std::unique_ptr(new details::H_formatter())); - break; - - case('I'): - _formatters.push_back(std::unique_ptr(new details::I_formatter())); - break; - - case('M'): - _formatters.push_back(std::unique_ptr(new details::M_formatter())); - break; - - case('S'): - _formatters.push_back(std::unique_ptr(new details::S_formatter())); - break; - - case('e'): - _formatters.push_back(std::unique_ptr(new details::e_formatter())); - break; - - case('f'): - _formatters.push_back(std::unique_ptr(new details::f_formatter())); - break; - case('F'): - _formatters.push_back(std::unique_ptr(new details::F_formatter())); - break; - - case('p'): - _formatters.push_back(std::unique_ptr(new details::p_formatter())); - break; - - case('r'): - _formatters.push_back(std::unique_ptr(new details::r_formatter())); - break; - - case('R'): - _formatters.push_back(std::unique_ptr(new details::R_formatter())); - break; - - case('T'): - case('X'): - _formatters.push_back(std::unique_ptr(new details::T_formatter())); - break; - - case('z'): - _formatters.push_back(std::unique_ptr(new details::z_formatter())); - break; - - case ('+'): - _formatters.push_back(std::unique_ptr(new details::full_formatter())); - break; - - default: //Unkown flag appears as is - _formatters.push_back(std::unique_ptr(new details::ch_formatter('%'))); - _formatters.push_back(std::unique_ptr(new details::ch_formatter(flag))); - break; - } -} - - -inline void spdlog::pattern_formatter::format(details::log_msg& msg) -{ - -#ifndef SPDLOG_NO_DATETIME - auto tm_time = details::os::localtime(log_clock::to_time_t(msg.time)); -#else - std::tm tm_time; -#endif - for (auto &f : _formatters) - { - f->format(msg, tm_time); - } - //write eol - msg.formatted.write(details::os::eol, details::os::eol_size); -} +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +namespace spdlog +{ +namespace details +{ +class flag_formatter +{ +public: + virtual ~flag_formatter() + {} + virtual void format(details::log_msg& msg, const std::tm& tm_time) = 0; +}; + +/////////////////////////////////////////////////////////////////////// +// name & level pattern appenders +/////////////////////////////////////////////////////////////////////// +namespace +{ +class name_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + msg.formatted << *msg.logger_name; + } +}; +} + +// log level appender +class level_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + msg.formatted << level::to_str(msg.level); + } +}; + +// short log level appender +class short_level_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + msg.formatted << level::to_short_str(msg.level); + } +}; + +/////////////////////////////////////////////////////////////////////// +// Date time pattern appenders +/////////////////////////////////////////////////////////////////////// + +static const char* ampm(const tm& t) +{ + return t.tm_hour >= 12 ? "PM" : "AM"; +} + +static int to12h(const tm& t) +{ + return t.tm_hour > 12 ? t.tm_hour - 12 : t.tm_hour; +} + +//Abbreviated weekday name +static const std::string days[] { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; +class a_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << days[tm_time.tm_wday]; + } +}; + +//Full weekday name +static const std::string full_days[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" }; +class A_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << full_days[tm_time.tm_wday]; + } +}; + +//Abbreviated month +static const std::string months[] { "Jan", "Feb", "Mar", "Apr", "May", "June", "July", "Aug", "Sept", "Oct", "Nov", "Dec" }; +class b_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << months[tm_time.tm_mon]; + } +}; + +//Full month name +static const std::string full_months[] { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }; +class B_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << full_months[tm_time.tm_mon]; + } +}; + + +//write 2 ints seperated by sep with padding of 2 +static fmt::MemoryWriter& pad_n_join(fmt::MemoryWriter& w, int v1, int v2, char sep) +{ + w << fmt::pad(v1, 2, '0') << sep << fmt::pad(v2, 2, '0'); + return w; +} + +//write 3 ints seperated by sep with padding of 2 +static fmt::MemoryWriter& pad_n_join(fmt::MemoryWriter& w, int v1, int v2, int v3, char sep) +{ + w << fmt::pad(v1, 2, '0') << sep << fmt::pad(v2, 2, '0') << sep << fmt::pad(v3, 2, '0'); + return w; +} + + +//Date and time representation (Thu Aug 23 15:35:46 2014) +class c_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << days[tm_time.tm_wday] << ' ' << months[tm_time.tm_mon] << ' ' << tm_time.tm_mday << ' '; + pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec, ':') << ' ' << tm_time.tm_year + 1900; + } +}; + + +// year - 2 digit +class C_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << fmt::pad(tm_time.tm_year % 100, 2, '0'); + } +}; + + + +// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01 +class D_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + pad_n_join(msg.formatted, tm_time.tm_mon + 1, tm_time.tm_mday, tm_time.tm_year % 100, '/'); + } +}; + + +// year - 4 digit +class Y_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << tm_time.tm_year + 1900; + } +}; + +// month 1-12 +class m_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << fmt::pad(tm_time.tm_mon + 1, 2, '0'); + } +}; + +// day of month 1-31 +class d_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << fmt::pad(tm_time.tm_mday, 2, '0'); + } +}; + +// hours in 24 format 0-23 +class H_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << fmt::pad(tm_time.tm_hour, 2, '0'); + } +}; + +// hours in 12 format 1-12 +class I_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << fmt::pad(to12h(tm_time), 2, '0'); + } +}; + +// minutes 0-59 +class M_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << fmt::pad(tm_time.tm_min, 2, '0'); + } +}; + +// seconds 0-59 +class S_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << fmt::pad(tm_time.tm_sec, 2, '0'); + } +}; + +// milliseconds +class e_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + auto duration = msg.time.time_since_epoch(); + auto millis = std::chrono::duration_cast(duration).count() % 1000; + msg.formatted << fmt::pad(static_cast(millis), 3, '0'); + } +}; + +// microseconds +class f_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + auto duration = msg.time.time_since_epoch(); + auto micros = std::chrono::duration_cast(duration).count() % 1000000; + msg.formatted << fmt::pad(static_cast(micros), 6, '0'); + } +}; + +// nanoseconds +class F_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + auto duration = msg.time.time_since_epoch(); + auto ns = std::chrono::duration_cast(duration).count() % 1000000000; + msg.formatted << fmt::pad(static_cast(ns), 9, '0'); + } +}; + +// AM/PM +class p_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + msg.formatted << ampm(tm_time); + } +}; + + +// 12 hour clock 02:55:02 pm +class r_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + pad_n_join(msg.formatted, to12h(tm_time), tm_time.tm_min, tm_time.tm_sec, ':') << ' ' << ampm(tm_time); + } +}; + +// 24-hour HH:MM time, equivalent to %H:%M +class R_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, ':'); + } +}; + +// ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S +class T_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { + pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, tm_time.tm_sec, ':'); + } +}; + + +// ISO 8601 offset from UTC in timezone (+-HH:MM) +class z_formatter:public flag_formatter +{ +public: + const std::chrono::seconds cache_refresh = std::chrono::seconds(5); + + z_formatter():_last_update(std::chrono::seconds(0)) + {} + z_formatter(const z_formatter&) = delete; + z_formatter& operator=(const z_formatter&) = delete; + + void format(details::log_msg& msg, const std::tm& tm_time) override + { +#ifdef _WIN32 + int total_minutes = get_cached_offset(msg, tm_time); +#else + // No need to chache under gcc, + // it is very fast (already stored in tm.tm_gmtoff) + int total_minutes = os::utc_minutes_offset(tm_time); +#endif + bool is_negative = total_minutes < 0; + char sign; + if (is_negative) + { + total_minutes = -total_minutes; + sign = '-'; + } + else + { + sign = '+'; + } + + int h = total_minutes / 60; + int m = total_minutes % 60; + msg.formatted << sign; + pad_n_join(msg.formatted, h, m, ':'); + } +private: + log_clock::time_point _last_update; + int _offset_minutes; + std::mutex _mutex; + + int get_cached_offset(const log_msg& msg, const std::tm& tm_time) + { + using namespace std::chrono; + std::lock_guard l(_mutex); + if (msg.time - _last_update >= cache_refresh) + { + _offset_minutes = os::utc_minutes_offset(tm_time); + _last_update = msg.time; + } + return _offset_minutes; + } +}; + + + +//Thread id +class t_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + msg.formatted << msg.thread_id; + } +}; + + +class v_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm&) override + { + msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size()); + } +}; + +class ch_formatter:public flag_formatter +{ +public: + explicit ch_formatter(char ch): _ch(ch) + {} + void format(details::log_msg& msg, const std::tm&) override + { + msg.formatted << _ch; + } +private: + char _ch; +}; + + +//aggregate user chars to display as is +class aggregate_formatter:public flag_formatter +{ +public: + aggregate_formatter() + {} + void add_ch(char ch) + { + _str += ch; + } + void format(details::log_msg& msg, const std::tm&) override + { + msg.formatted << _str; + } +private: + std::string _str; +}; + +// Full info formatter +// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v +class full_formatter:public flag_formatter +{ + void format(details::log_msg& msg, const std::tm& tm_time) override + { +#ifndef SPDLOG_NO_DATETIME + auto duration = msg.time.time_since_epoch(); + auto millis = std::chrono::duration_cast(duration).count() % 1000; + + /* Slower version(while still very fast - about 3.2 million lines/sec under 10 threads), + msg.formatted.write("[{:d}-{:02d}-{:02d} {:02d}:{:02d}:{:02d}.{:03d}] [{}] [{}] {} ", + tm_time.tm_year + 1900, + tm_time.tm_mon + 1, + tm_time.tm_mday, + tm_time.tm_hour, + tm_time.tm_min, + tm_time.tm_sec, + static_cast(millis), + msg.logger_name, + level::to_str(msg.level), + msg.raw.str());*/ + + + // Faster (albeit uglier) way to format the line (5.6 million lines/sec under 10 threads) + msg.formatted << '[' << static_cast(tm_time.tm_year + 1900) << '-' + << fmt::pad(static_cast(tm_time.tm_mon + 1), 2, '0') << '-' + << fmt::pad(static_cast(tm_time.tm_mday), 2, '0') << ' ' + << fmt::pad(static_cast(tm_time.tm_hour), 2, '0') << ':' + << fmt::pad(static_cast(tm_time.tm_min), 2, '0') << ':' + << fmt::pad(static_cast(tm_time.tm_sec), 2, '0') << '.' + << fmt::pad(static_cast(millis), 3, '0') << "] "; + + //no datetime needed +#else + (void)tm_time; +#endif + +#ifndef SPDLOG_NO_NAME + msg.formatted << '[' << *msg.logger_name << "] "; +#endif + + msg.formatted << '[' << level::to_str(msg.level) << "] "; + msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size()); + } +}; + +} +} +/////////////////////////////////////////////////////////////////////////////// +// pattern_formatter inline impl +/////////////////////////////////////////////////////////////////////////////// +inline spdlog::pattern_formatter::pattern_formatter(const std::string& pattern) +{ + compile_pattern(pattern); +} + +inline void spdlog::pattern_formatter::compile_pattern(const std::string& pattern) +{ + auto end = pattern.end(); + std::unique_ptr user_chars; + for (auto it = pattern.begin(); it != end; ++it) + { + if (*it == '%') + { + if (user_chars) //append user chars found so far + _formatters.push_back(std::move(user_chars)); + + if (++it != end) + handle_flag(*it); + else + break; + } + else // chars not following the % sign should be displayed as is + { + if (!user_chars) + user_chars = std::unique_ptr(new details::aggregate_formatter()); + user_chars->add_ch(*it); + } + } + if (user_chars) //append raw chars found so far + { + _formatters.push_back(std::move(user_chars)); + } + +} +inline void spdlog::pattern_formatter::handle_flag(char flag) +{ + switch (flag) + { + // logger name + case 'n': + _formatters.push_back(std::unique_ptr(new details::name_formatter())); + break; + + case 'l': + _formatters.push_back(std::unique_ptr(new details::level_formatter())); + break; + + case 'L': + _formatters.push_back(std::unique_ptr(new details::short_level_formatter())); + break; + + case('t'): + _formatters.push_back(std::unique_ptr(new details::t_formatter())); + break; + + case('v'): + _formatters.push_back(std::unique_ptr(new details::v_formatter())); + break; + + case('a'): + _formatters.push_back(std::unique_ptr(new details::a_formatter())); + break; + + case('A'): + _formatters.push_back(std::unique_ptr(new details::A_formatter())); + break; + + case('b'): + case('h'): + _formatters.push_back(std::unique_ptr(new details::b_formatter())); + break; + + case('B'): + _formatters.push_back(std::unique_ptr(new details::B_formatter())); + break; + case('c'): + _formatters.push_back(std::unique_ptr(new details::c_formatter())); + break; + + case('C'): + _formatters.push_back(std::unique_ptr(new details::C_formatter())); + break; + + case('Y'): + _formatters.push_back(std::unique_ptr(new details::Y_formatter())); + break; + + case('D'): + case('x'): + + _formatters.push_back(std::unique_ptr(new details::D_formatter())); + break; + + case('m'): + _formatters.push_back(std::unique_ptr(new details::m_formatter())); + break; + + case('d'): + _formatters.push_back(std::unique_ptr(new details::d_formatter())); + break; + + case('H'): + _formatters.push_back(std::unique_ptr(new details::H_formatter())); + break; + + case('I'): + _formatters.push_back(std::unique_ptr(new details::I_formatter())); + break; + + case('M'): + _formatters.push_back(std::unique_ptr(new details::M_formatter())); + break; + + case('S'): + _formatters.push_back(std::unique_ptr(new details::S_formatter())); + break; + + case('e'): + _formatters.push_back(std::unique_ptr(new details::e_formatter())); + break; + + case('f'): + _formatters.push_back(std::unique_ptr(new details::f_formatter())); + break; + case('F'): + _formatters.push_back(std::unique_ptr(new details::F_formatter())); + break; + + case('p'): + _formatters.push_back(std::unique_ptr(new details::p_formatter())); + break; + + case('r'): + _formatters.push_back(std::unique_ptr(new details::r_formatter())); + break; + + case('R'): + _formatters.push_back(std::unique_ptr(new details::R_formatter())); + break; + + case('T'): + case('X'): + _formatters.push_back(std::unique_ptr(new details::T_formatter())); + break; + + case('z'): + _formatters.push_back(std::unique_ptr(new details::z_formatter())); + break; + + case ('+'): + _formatters.push_back(std::unique_ptr(new details::full_formatter())); + break; + + default: //Unkown flag appears as is + _formatters.push_back(std::unique_ptr(new details::ch_formatter('%'))); + _formatters.push_back(std::unique_ptr(new details::ch_formatter(flag))); + break; + } +} + + +inline void spdlog::pattern_formatter::format(details::log_msg& msg) +{ + +#ifndef SPDLOG_NO_DATETIME + auto tm_time = details::os::localtime(log_clock::to_time_t(msg.time)); +#else + std::tm tm_time; +#endif + for (auto &f : _formatters) + { + f->format(msg, tm_time); + } + //write eol + msg.formatted.write(details::os::eol, details::os::eol_size); +}