diff options
Diffstat (limited to 'matching/include/spdlog/details/pattern_formatter.h')
| -rw-r--r-- | matching/include/spdlog/details/pattern_formatter.h | 1336 |
1 files changed, 0 insertions, 1336 deletions
diff --git a/matching/include/spdlog/details/pattern_formatter.h b/matching/include/spdlog/details/pattern_formatter.h deleted file mode 100644 index c0ad86e..0000000 --- a/matching/include/spdlog/details/pattern_formatter.h +++ /dev/null @@ -1,1336 +0,0 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// - -#pragma once - -#include "spdlog/details/fmt_helper.h" -#include "spdlog/details/log_msg.h" -#include "spdlog/details/os.h" -#include "spdlog/fmt/fmt.h" -#include "spdlog/formatter.h" - -#include <array> -#include <chrono> -#include <ctime> -#include <cctype> -#include <memory> -#include <mutex> -#include <string> -#include <thread> -#include <utility> -#include <vector> - -namespace spdlog { -namespace details { - -// padding information. -struct padding_info -{ - enum pad_side - { - left, - right, - center - }; - - padding_info() = default; - padding_info(size_t width, padding_info::pad_side side) - : width_(width) - , side_(side) - { - } - - bool enabled() const - { - return width_ != 0; - } - const size_t width_ = 0; - const pad_side side_ = left; -}; - -class scoped_pad -{ -public: - scoped_pad(size_t wrapped_size, padding_info &padinfo, fmt::memory_buffer &dest) - : padinfo_(padinfo) - , dest_(dest) - { - - if (padinfo_.width_ <= wrapped_size) - { - total_pad_ = 0; - return; - } - - total_pad_ = padinfo.width_ - wrapped_size; - if (padinfo_.side_ == padding_info::left) - { - pad_it(total_pad_); - total_pad_ = 0; - } - else if (padinfo_.side_ == padding_info::center) - { - auto half_pad = total_pad_ / 2; - auto reminder = total_pad_ & 1; - pad_it(half_pad); - total_pad_ = half_pad + reminder; // for the right side - } - } - - scoped_pad(spdlog::string_view_t txt, padding_info &padinfo, fmt::memory_buffer &dest) - : scoped_pad(txt.size(), padinfo, dest) - { - } - - ~scoped_pad() - { - if (total_pad_) - { - pad_it(total_pad_); - } - } - -private: - void pad_it(size_t count) - { - // count = std::min(count, spaces_.size()); - assert(count <= spaces_.size()); - fmt_helper::append_string_view(string_view_t(spaces_.data(), count), dest_); - } - - const padding_info &padinfo_; - fmt::memory_buffer &dest_; - size_t total_pad_; - string_view_t spaces_{" " - " ", - 128}; -}; - -class flag_formatter -{ -public: - explicit flag_formatter(padding_info padinfo) - : padinfo_(padinfo) - { - } - flag_formatter() = default; - virtual ~flag_formatter() = default; - virtual void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) = 0; - -protected: - padding_info padinfo_; -}; - -/////////////////////////////////////////////////////////////////////// -// name & level pattern appender -/////////////////////////////////////////////////////////////////////// -class name_formatter : public flag_formatter -{ -public: - explicit name_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - if (padinfo_.enabled()) - { - scoped_pad p(*msg.logger_name, padinfo_, dest); - fmt_helper::append_string_view(*msg.logger_name, dest); - } - else - { - fmt_helper::append_string_view(*msg.logger_name, dest); - } - } -}; - -// log level appender -class level_formatter : public flag_formatter -{ -public: - explicit level_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - string_view_t &level_name = level::to_string_view(msg.level); - if (padinfo_.enabled()) - { - scoped_pad p(level_name, padinfo_, dest); - fmt_helper::append_string_view(level_name, dest); - } - else - { - fmt_helper::append_string_view(level_name, dest); - } - } -}; - -// short log level appender -class short_level_formatter : public flag_formatter -{ -public: - explicit short_level_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - string_view_t level_name{level::to_short_c_str(msg.level)}; - scoped_pad p(level_name, padinfo_, dest); - fmt_helper::append_string_view(level_name, dest); - } -}; - -/////////////////////////////////////////////////////////////////////// -// 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 char *days[]{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; -class a_formatter : public flag_formatter -{ -public: - explicit a_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - string_view_t field_value{days[tm_time.tm_wday]}; - scoped_pad p(field_value, padinfo_, dest); - fmt_helper::append_string_view(field_value, dest); - } -}; - -// Full weekday name -static const char *full_days[]{"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; -class A_formatter : public flag_formatter -{ -public: - explicit A_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - string_view_t field_value{full_days[tm_time.tm_wday]}; - scoped_pad p(field_value, padinfo_, dest); - fmt_helper::append_string_view(field_value, dest); - } -}; - -// Abbreviated month -static const char *months[]{"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"}; -class b_formatter : public flag_formatter -{ -public: - explicit b_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - string_view_t field_value{months[tm_time.tm_mon]}; - scoped_pad p(field_value, padinfo_, dest); - fmt_helper::append_string_view(field_value, dest); - } -}; - -// Full month name -static const char *full_months[]{ - "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"}; -class B_formatter : public flag_formatter -{ -public: - explicit B_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - string_view_t field_value{full_months[tm_time.tm_mon]}; - scoped_pad p(field_value, padinfo_, dest); - fmt_helper::append_string_view(field_value, dest); - } -}; - -// Date and time representation (Thu Aug 23 15:35:46 2014) -class c_formatter final : public flag_formatter -{ -public: - explicit c_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 24; - scoped_pad p(field_size, padinfo_, dest); - - fmt_helper::append_string_view(days[tm_time.tm_wday], dest); - dest.push_back(' '); - fmt_helper::append_string_view(months[tm_time.tm_mon], dest); - dest.push_back(' '); - fmt_helper::append_int(tm_time.tm_mday, dest); - dest.push_back(' '); - // time - - fmt_helper::pad2(tm_time.tm_hour, dest); - dest.push_back(':'); - fmt_helper::pad2(tm_time.tm_min, dest); - dest.push_back(':'); - fmt_helper::pad2(tm_time.tm_sec, dest); - dest.push_back(' '); - fmt_helper::append_int(tm_time.tm_year + 1900, dest); - } -}; - -// year - 2 digit -class C_formatter final : public flag_formatter -{ -public: - explicit C_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad2(tm_time.tm_year % 100, dest); - } -}; - -// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01 -class D_formatter final : public flag_formatter -{ -public: - explicit D_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 10; - scoped_pad p(field_size, padinfo_, dest); - - fmt_helper::pad2(tm_time.tm_mon + 1, dest); - dest.push_back('/'); - fmt_helper::pad2(tm_time.tm_mday, dest); - dest.push_back('/'); - fmt_helper::pad2(tm_time.tm_year % 100, dest); - } -}; - -// year - 4 digit -class Y_formatter final : public flag_formatter -{ -public: - explicit Y_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 4; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::append_int(tm_time.tm_year + 1900, dest); - } -}; - -// month 1-12 -class m_formatter final : public flag_formatter -{ -public: - explicit m_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad2(tm_time.tm_mon + 1, dest); - } -}; - -// day of month 1-31 -class d_formatter final : public flag_formatter -{ -public: - explicit d_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad2(tm_time.tm_mday, dest); - } -}; - -// hours in 24 format 0-23 -class H_formatter final : public flag_formatter -{ -public: - explicit H_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad2(tm_time.tm_hour, dest); - } -}; - -// hours in 12 format 1-12 -class I_formatter final : public flag_formatter -{ -public: - explicit I_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad2(to12h(tm_time), dest); - } -}; - -// minutes 0-59 -class M_formatter final : public flag_formatter -{ -public: - explicit M_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad2(tm_time.tm_min, dest); - } -}; - -// seconds 0-59 -class S_formatter final : public flag_formatter -{ -public: - explicit S_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad2(tm_time.tm_sec, dest); - } -}; - -// milliseconds -class e_formatter final : public flag_formatter -{ -public: - explicit e_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - auto millis = fmt_helper::time_fraction<std::chrono::milliseconds>(msg.time); - if (padinfo_.enabled()) - { - const size_t field_size = 3; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest); - } - else - { - fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest); - } - } -}; - -// microseconds -class f_formatter final : public flag_formatter -{ -public: - explicit f_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - auto micros = fmt_helper::time_fraction<std::chrono::microseconds>(msg.time); - if (padinfo_.enabled()) - { - const size_t field_size = 6; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad6(static_cast<size_t>(micros.count()), dest); - } - else - { - fmt_helper::pad6(static_cast<size_t>(micros.count()), dest); - } - } -}; - -// nanoseconds -class F_formatter final : public flag_formatter -{ -public: - explicit F_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - auto ns = fmt_helper::time_fraction<std::chrono::nanoseconds>(msg.time); - if (padinfo_.enabled()) - { - const size_t field_size = 9; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad9(static_cast<size_t>(ns.count()), dest); - } - else - { - fmt_helper::pad9(static_cast<size_t>(ns.count()), dest); - } - } -}; - -// seconds since epoch -class E_formatter final : public flag_formatter -{ -public: - explicit E_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - const size_t field_size = 10; - scoped_pad p(field_size, padinfo_, dest); - auto duration = msg.time.time_since_epoch(); - auto seconds = std::chrono::duration_cast<std::chrono::seconds>(duration).count(); - fmt_helper::append_int(seconds, dest); - } -}; - -// AM/PM -class p_formatter final : public flag_formatter -{ -public: - explicit p_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 2; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::append_string_view(ampm(tm_time), dest); - } -}; - -// 12 hour clock 02:55:02 pm -class r_formatter final : public flag_formatter -{ -public: - explicit r_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 11; - scoped_pad p(field_size, padinfo_, dest); - - fmt_helper::pad2(to12h(tm_time), dest); - dest.push_back(':'); - fmt_helper::pad2(tm_time.tm_min, dest); - dest.push_back(':'); - fmt_helper::pad2(tm_time.tm_sec, dest); - dest.push_back(' '); - fmt_helper::append_string_view(ampm(tm_time), dest); - } -}; - -// 24-hour HH:MM time, equivalent to %H:%M -class R_formatter final : public flag_formatter -{ -public: - explicit R_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 5; - scoped_pad p(field_size, padinfo_, dest); - - fmt_helper::pad2(tm_time.tm_hour, dest); - dest.push_back(':'); - fmt_helper::pad2(tm_time.tm_min, dest); - } -}; - -// ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S -class T_formatter final : public flag_formatter -{ -public: - explicit T_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 8; - scoped_pad p(field_size, padinfo_, dest); - - fmt_helper::pad2(tm_time.tm_hour, dest); - dest.push_back(':'); - fmt_helper::pad2(tm_time.tm_min, dest); - dest.push_back(':'); - fmt_helper::pad2(tm_time.tm_sec, dest); - } -}; - -// ISO 8601 offset from UTC in timezone (+-HH:MM) -class z_formatter final : public flag_formatter -{ -public: - explicit z_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - const std::chrono::seconds cache_refresh = std::chrono::seconds(5); - - z_formatter() = default; - z_formatter(const z_formatter &) = delete; - z_formatter &operator=(const z_formatter &) = delete; - - void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - const size_t field_size = 6; - scoped_pad p(field_size, padinfo_, dest); - -#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) - (void)(msg); - int total_minutes = os::utc_minutes_offset(tm_time); -#endif - bool is_negative = total_minutes < 0; - if (is_negative) - { - total_minutes = -total_minutes; - dest.push_back('-'); - } - else - { - dest.push_back('+'); - } - - fmt_helper::pad2(total_minutes / 60, dest); // hours - dest.push_back(':'); - fmt_helper::pad2(total_minutes % 60, dest); // minutes - } - -private: - log_clock::time_point last_update_{std::chrono::seconds(0)}; -#ifdef _WIN32 - int offset_minutes_{0}; - - int get_cached_offset(const log_msg &msg, const std::tm &tm_time) - { - if (msg.time - last_update_ >= cache_refresh) - { - offset_minutes_ = os::utc_minutes_offset(tm_time); - last_update_ = msg.time; - } - return offset_minutes_; - } -#endif -}; - -// Thread id -class t_formatter final : public flag_formatter -{ -public: - explicit t_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - if (padinfo_.enabled()) - { - const auto field_size = fmt_helper::count_digits(msg.thread_id); - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::append_int(msg.thread_id, dest); - } - else - { - fmt_helper::append_int(msg.thread_id, dest); - } - } -}; - -// Current pid -class pid_formatter final : public flag_formatter -{ -public: - explicit pid_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override - { - const auto pid = static_cast<uint32_t>(details::os::pid()); - if (padinfo_.enabled()) - { - auto field_size = fmt_helper::count_digits(pid); - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::append_int(pid, dest); - } - else - { - fmt_helper::append_int(pid, dest); - } - } -}; - -// message counter formatter -class i_formatter final : public flag_formatter -{ -public: - explicit i_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - const size_t field_size = 6; - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::pad6(msg.msg_id, dest); - } -}; - -class v_formatter final : public flag_formatter -{ -public: - explicit v_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - if (padinfo_.enabled()) - { - scoped_pad p(msg.payload, padinfo_, dest); - fmt_helper::append_string_view(msg.payload, dest); - } - else - { - fmt_helper::append_string_view(msg.payload, dest); - } - } -}; - -class ch_formatter final : public flag_formatter -{ -public: - explicit ch_formatter(char ch) - : ch_(ch) - { - } - - void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override - { - const size_t field_size = 1; - scoped_pad p(field_size, padinfo_, dest); - dest.push_back(ch_); - } - -private: - char ch_; -}; - -// aggregate user chars to display as is -class aggregate_formatter final : public flag_formatter -{ -public: - aggregate_formatter() = default; - - void add_ch(char ch) - { - str_ += ch; - } - void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override - { - fmt_helper::append_string_view(str_, dest); - } - -private: - std::string str_; -}; - -// mark the color range. expect it to be in the form of "%^colored text%$" -class color_start_formatter final : public flag_formatter -{ -public: - explicit color_start_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - msg.color_range_start = dest.size(); - } -}; -class color_stop_formatter final : public flag_formatter -{ -public: - explicit color_stop_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - msg.color_range_end = dest.size(); - } -}; - -// print source location -class source_location_formatter final : public flag_formatter -{ -public: - explicit source_location_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - if (msg.source.empty()) - { - return; - } - if (padinfo_.enabled()) - { - const auto text_size = std::char_traits<char>::length(msg.source.filename) + fmt_helper::count_digits(msg.source.line) + 1; - scoped_pad p(text_size, padinfo_, dest); - fmt_helper::append_string_view(msg.source.filename, dest); - dest.push_back(':'); - fmt_helper::append_int(msg.source.line, dest); - } - else - { - fmt_helper::append_string_view(msg.source.filename, dest); - dest.push_back(':'); - fmt_helper::append_int(msg.source.line, dest); - } - } -}; -// print source filename -class source_filename_formatter final : public flag_formatter -{ -public: - explicit source_filename_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - if (msg.source.empty()) - { - return; - } - scoped_pad p(msg.source.filename, padinfo_, dest); - fmt_helper::append_string_view(msg.source.filename, dest); - } -}; - -class source_linenum_formatter final : public flag_formatter -{ -public: - explicit source_linenum_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - if (msg.source.empty()) - { - return; - } - if (padinfo_.enabled()) - { - auto field_size = fmt_helper::count_digits(msg.source.line); - scoped_pad p(field_size, padinfo_, dest); - fmt_helper::append_int(msg.source.line, dest); - } - else - { - fmt_helper::append_int(msg.source.line, dest); - } - } -}; -// print source funcname -class source_funcname_formatter final : public flag_formatter -{ -public: - explicit source_funcname_formatter(padding_info padinfo) - : flag_formatter(padinfo){}; - - void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override - { - if (msg.source.empty()) - { - return; - } - scoped_pad p(msg.source.funcname, padinfo_, dest); - fmt_helper::append_string_view(msg.source.funcname, dest); - } -}; - -// Full info formatter -// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v -class full_formatter final : public flag_formatter -{ -public: - explicit full_formatter(padding_info padinfo) - : flag_formatter(padinfo) - { - } - - void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override - { - using std::chrono::duration_cast; - using std::chrono::milliseconds; - using std::chrono::seconds; - -#ifndef SPDLOG_NO_DATETIME - - // cache the date/time part for the next second. - auto duration = msg.time.time_since_epoch(); - auto secs = duration_cast<seconds>(duration); - - if (cache_timestamp_ != secs || cached_datetime_.size() == 0) - { - cached_datetime_.clear(); - cached_datetime_.push_back('['); - fmt_helper::append_int(tm_time.tm_year + 1900, cached_datetime_); - cached_datetime_.push_back('-'); - - fmt_helper::pad2(tm_time.tm_mon + 1, cached_datetime_); - cached_datetime_.push_back('-'); - - fmt_helper::pad2(tm_time.tm_mday, cached_datetime_); - cached_datetime_.push_back(' '); - - fmt_helper::pad2(tm_time.tm_hour, cached_datetime_); - cached_datetime_.push_back(':'); - - fmt_helper::pad2(tm_time.tm_min, cached_datetime_); - cached_datetime_.push_back(':'); - - fmt_helper::pad2(tm_time.tm_sec, cached_datetime_); - cached_datetime_.push_back('.'); - - cache_timestamp_ = secs; - } - fmt_helper::append_buf(cached_datetime_, dest); - - auto millis = fmt_helper::time_fraction<milliseconds>(msg.time); - fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest); - dest.push_back(']'); - dest.push_back(' '); - -#else // no datetime needed - (void)tm_time; -#endif - -#ifndef SPDLOG_NO_NAME - if (!msg.logger_name->empty()) - { - dest.push_back('['); - // fmt_helper::append_str(*msg.logger_name, dest); - fmt_helper::append_string_view(*msg.logger_name, dest); - dest.push_back(']'); - dest.push_back(' '); - } -#endif - - dest.push_back('['); - // wrap the level name with color - msg.color_range_start = dest.size(); - // fmt_helper::append_string_view(level::to_c_str(msg.level), dest); - fmt_helper::append_string_view(level::to_string_view(msg.level), dest); - msg.color_range_end = dest.size(); - dest.push_back(']'); - dest.push_back(' '); - - // add source location if present - if (!msg.source.empty()) - { - dest.push_back('['); - fmt_helper::append_string_view(msg.source.filename, dest); - dest.push_back(':'); - fmt_helper::append_int(msg.source.line, dest); - dest.push_back(']'); - dest.push_back(' '); - } - // fmt_helper::append_string_view(msg.msg(), dest); - fmt_helper::append_string_view(msg.payload, dest); - } - -private: - std::chrono::seconds cache_timestamp_{0}; - fmt::basic_memory_buffer<char, 128> cached_datetime_; -}; - -} // namespace details - -class pattern_formatter final : public formatter -{ -public: - explicit pattern_formatter( - std::string pattern, pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol) - : pattern_(std::move(pattern)) - , eol_(std::move(eol)) - , pattern_time_type_(time_type) - , last_log_secs_(0) - { - std::memset(&cached_tm_, 0, sizeof(cached_tm_)); - compile_pattern_(pattern_); - } - - // use by default full formatter for if pattern is not given - explicit pattern_formatter(pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol) - : pattern_("%+") - , eol_(std::move(eol)) - , pattern_time_type_(time_type) - , last_log_secs_(0) - { - std::memset(&cached_tm_, 0, sizeof(cached_tm_)); - formatters_.push_back(details::make_unique<details::full_formatter>(details::padding_info{})); - } - - pattern_formatter(const pattern_formatter &other) = delete; - pattern_formatter &operator=(const pattern_formatter &other) = delete; - - std::unique_ptr<formatter> clone() const override - { - return details::make_unique<pattern_formatter>(pattern_, pattern_time_type_, eol_); - } - - void format(const details::log_msg &msg, fmt::memory_buffer &dest) override - { -#ifndef SPDLOG_NO_DATETIME - auto secs = std::chrono::duration_cast<std::chrono::seconds>(msg.time.time_since_epoch()); - if (secs != last_log_secs_) - { - cached_tm_ = get_time_(msg); - last_log_secs_ = secs; - } -#endif - for (auto &f : formatters_) - { - f->format(msg, cached_tm_, dest); - } - // write eol - details::fmt_helper::append_string_view(eol_, dest); - } - -private: - std::string pattern_; - std::string eol_; - pattern_time_type pattern_time_type_; - std::tm cached_tm_; - std::chrono::seconds last_log_secs_; - - std::vector<std::unique_ptr<details::flag_formatter>> formatters_; - - std::tm get_time_(const details::log_msg &msg) - { - if (pattern_time_type_ == pattern_time_type::local) - { - return details::os::localtime(log_clock::to_time_t(msg.time)); - } - return details::os::gmtime(log_clock::to_time_t(msg.time)); - } - - void handle_flag_(char flag, details::padding_info padding) - { - switch (flag) - { - - case ('+'): // default formatter - formatters_.push_back(details::make_unique<details::full_formatter>(padding)); - break; - - case 'n': // logger name - formatters_.push_back(details::make_unique<details::name_formatter>(padding)); - break; - - case 'l': // level - formatters_.push_back(details::make_unique<details::level_formatter>(padding)); - break; - - case 'L': // short level - formatters_.push_back(details::make_unique<details::short_level_formatter>(padding)); - break; - - case ('t'): // thread id - formatters_.push_back(details::make_unique<details::t_formatter>(padding)); - break; - - case ('v'): // the message text - formatters_.push_back(details::make_unique<details::v_formatter>(padding)); - break; - - case ('a'): // weekday - formatters_.push_back(details::make_unique<details::a_formatter>(padding)); - break; - - case ('A'): // short weekday - formatters_.push_back(details::make_unique<details::A_formatter>(padding)); - break; - - case ('b'): - case ('h'): // month - formatters_.push_back(details::make_unique<details::b_formatter>(padding)); - break; - - case ('B'): // short month - formatters_.push_back(details::make_unique<details::B_formatter>(padding)); - break; - - case ('c'): // datetime - formatters_.push_back(details::make_unique<details::c_formatter>(padding)); - break; - - case ('C'): // year 2 digits - formatters_.push_back(details::make_unique<details::C_formatter>(padding)); - break; - - case ('Y'): // year 4 digits - formatters_.push_back(details::make_unique<details::Y_formatter>(padding)); - break; - - case ('D'): - case ('x'): // datetime MM/DD/YY - formatters_.push_back(details::make_unique<details::D_formatter>(padding)); - break; - - case ('m'): // month 1-12 - formatters_.push_back(details::make_unique<details::m_formatter>(padding)); - break; - - case ('d'): // day of month 1-31 - formatters_.push_back(details::make_unique<details::d_formatter>(padding)); - break; - - case ('H'): // hours 24 - formatters_.push_back(details::make_unique<details::H_formatter>(padding)); - break; - - case ('I'): // hours 12 - formatters_.push_back(details::make_unique<details::I_formatter>(padding)); - break; - - case ('M'): // minutes - formatters_.push_back(details::make_unique<details::M_formatter>(padding)); - break; - - case ('S'): // seconds - formatters_.push_back(details::make_unique<details::S_formatter>(padding)); - break; - - case ('e'): // milliseconds - formatters_.push_back(details::make_unique<details::e_formatter>(padding)); - break; - - case ('f'): // microseconds - formatters_.push_back(details::make_unique<details::f_formatter>(padding)); - break; - - case ('F'): // nanoseconds - formatters_.push_back(details::make_unique<details::F_formatter>(padding)); - break; - - case ('E'): // seconds since epoch - formatters_.push_back(details::make_unique<details::E_formatter>(padding)); - break; - - case ('p'): // am/pm - formatters_.push_back(details::make_unique<details::p_formatter>(padding)); - break; - - case ('r'): // 12 hour clock 02:55:02 pm - formatters_.push_back(details::make_unique<details::r_formatter>(padding)); - break; - - case ('R'): // 24-hour HH:MM time - formatters_.push_back(details::make_unique<details::R_formatter>(padding)); - break; - - case ('T'): - case ('X'): // ISO 8601 time format (HH:MM:SS) - formatters_.push_back(details::make_unique<details::T_formatter>(padding)); - break; - - case ('z'): // timezone - formatters_.push_back(details::make_unique<details::z_formatter>(padding)); - break; - - case ('P'): // pid - formatters_.push_back(details::make_unique<details::pid_formatter>(padding)); - break; - -#ifdef SPDLOG_ENABLE_MESSAGE_COUNTER - case ('i'): - formatters_.push_back(details::make_unique<details::i_formatter>(padding)); - break; -#endif - case ('^'): // color range start - formatters_.push_back(details::make_unique<details::color_start_formatter>(padding)); - break; - - case ('$'): // color range end - formatters_.push_back(details::make_unique<details::color_stop_formatter>(padding)); - break; - - case ('@'): // source location (filename:filenumber) - formatters_.push_back(details::make_unique<details::source_location_formatter>(padding)); - break; - - case ('s'): // source filename - formatters_.push_back(details::make_unique<details::source_filename_formatter>(padding)); - break; - - case ('#'): // source line number - formatters_.push_back(details::make_unique<details::source_linenum_formatter>(padding)); - break; - - case ('!'): // source funcname - formatters_.push_back(details::make_unique<details::source_funcname_formatter>(padding)); - break; - - case ('%'): // % char - formatters_.push_back(details::make_unique<details::ch_formatter>('%')); - break; - - default: // Unknown flag appears as is - auto unknown_flag = details::make_unique<details::aggregate_formatter>(); - unknown_flag->add_ch('%'); - unknown_flag->add_ch(flag); - formatters_.push_back((std::move(unknown_flag))); - break; - } - } - - // Extract given pad spec (e.g. %8X) - // Advance the given it pass the end of the padding spec found (if any) - // Return padding. - details::padding_info handle_padspec_(std::string::const_iterator &it, std::string::const_iterator end) - { - using details::padding_info; - using details::scoped_pad; - const size_t max_width = 128; - if (it == end) - { - return padding_info{}; - } - - padding_info::pad_side side; - switch (*it) - { - case '-': - side = padding_info::right; - ++it; - break; - case '=': - side = padding_info::center; - ++it; - break; - default: - side = details::padding_info::left; - break; - } - - if (it == end || !std::isdigit(static_cast<unsigned char>(*it))) - { - return padding_info{0, side}; - } - - auto width = static_cast<size_t>(*it - '0'); - for (++it; it != end && std::isdigit(static_cast<unsigned char>(*it)); ++it) - { - auto digit = static_cast<size_t>(*it - '0'); - width = width * 10 + digit; - } - return details::padding_info{std::min<size_t>(width, max_width), side}; - } - - void compile_pattern_(const std::string &pattern) - { - auto end = pattern.end(); - std::unique_ptr<details::aggregate_formatter> user_chars; - formatters_.clear(); - 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)); - } - - auto padding = handle_padspec_(++it, end); - - if (it != end) - { - handle_flag_(*it, padding); - } - else - { - break; - } - } - else // chars not following the % sign should be displayed as is - { - if (!user_chars) - { - user_chars = details::make_unique<details::aggregate_formatter>(); - } - user_chars->add_ch(*it); - } - } - if (user_chars) // append raw chars found so far - { - formatters_.push_back(std::move(user_chars)); - } - } -}; -} // namespace spdlog |