1265 lines
36 KiB
C++
1265 lines
36 KiB
C++
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#ifndef SPDLOG_HEADER_ONLY
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#include "spdlog/details/pattern_formatter.h"
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#endif
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#include "spdlog/details/fmt_helper.h"
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#include "spdlog/details/log_msg.h"
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#include "spdlog/details/os.h"
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#include "spdlog/fmt/fmt.h"
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#include "spdlog/formatter.h"
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#include <array>
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#include <chrono>
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#include <ctime>
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#include <cctype>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <thread>
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#include <utility>
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#include <vector>
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namespace spdlog {
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namespace details {
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///////////////////////////////////////////////////////////////////////
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// name & level pattern appender
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///////////////////////////////////////////////////////////////////////
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class scoped_pad
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{
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public:
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scoped_pad(size_t wrapped_size, padding_info &padinfo, fmt::memory_buffer &dest)
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: padinfo_(padinfo)
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, dest_(dest)
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{
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if (padinfo_.width_ <= wrapped_size)
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{
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total_pad_ = 0;
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return;
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}
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total_pad_ = padinfo.width_ - wrapped_size;
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if (padinfo_.side_ == padding_info::left)
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{
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pad_it(total_pad_);
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total_pad_ = 0;
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}
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else if (padinfo_.side_ == padding_info::center)
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{
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auto half_pad = total_pad_ / 2;
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auto reminder = total_pad_ & 1;
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pad_it(half_pad);
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total_pad_ = half_pad + reminder; // for the right side
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}
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}
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scoped_pad(const spdlog::string_view_t &txt, padding_info &padinfo, fmt::memory_buffer &dest)
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: scoped_pad(txt.size(), padinfo, dest)
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{}
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~scoped_pad()
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{
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if (total_pad_)
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{
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pad_it(total_pad_);
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}
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}
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private:
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void pad_it(size_t count)
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{
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// count = std::min(count, spaces_.size());
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assert(count <= spaces_.size());
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fmt_helper::append_string_view(string_view_t(spaces_.data(), count), dest_);
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}
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const padding_info &padinfo_;
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fmt::memory_buffer &dest_;
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size_t total_pad_;
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string_view_t spaces_{" "
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" ",
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128};
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};
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class name_formatter : public flag_formatter
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{
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public:
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explicit name_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
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{
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if (padinfo_.enabled())
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{
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scoped_pad p(msg.logger_name, padinfo_, dest);
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fmt_helper::append_string_view(msg.logger_name, dest);
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}
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else
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{
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fmt_helper::append_string_view(msg.logger_name, dest);
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}
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}
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};
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// log level appender
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class level_formatter : public flag_formatter
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{
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public:
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explicit level_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
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{
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string_view_t &level_name = level::to_string_view(msg.level);
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if (padinfo_.enabled())
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{
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scoped_pad p(level_name, padinfo_, dest);
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fmt_helper::append_string_view(level_name, dest);
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}
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else
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{
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fmt_helper::append_string_view(level_name, dest);
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}
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}
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};
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// short log level appender
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class short_level_formatter : public flag_formatter
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{
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public:
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explicit short_level_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
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{
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string_view_t level_name{level::to_short_c_str(msg.level)};
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scoped_pad p(level_name, padinfo_, dest);
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fmt_helper::append_string_view(level_name, dest);
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}
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};
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///////////////////////////////////////////////////////////////////////
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// Date time pattern appenders
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///////////////////////////////////////////////////////////////////////
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static const char *ampm(const tm &t)
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{
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return t.tm_hour >= 12 ? "PM" : "AM";
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}
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static int to12h(const tm &t)
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{
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return t.tm_hour > 12 ? t.tm_hour - 12 : t.tm_hour;
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}
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// Abbreviated weekday name
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static std::array<const char *, 7> days{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
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class a_formatter : public flag_formatter
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{
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public:
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explicit a_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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string_view_t field_value{days[static_cast<size_t>(tm_time.tm_wday)]};
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scoped_pad p(field_value, padinfo_, dest);
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fmt_helper::append_string_view(field_value, dest);
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}
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};
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// Full weekday name
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static std::array<const char *, 7> full_days{"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
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class A_formatter : public flag_formatter
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{
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public:
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explicit A_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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string_view_t field_value{full_days[static_cast<size_t>(tm_time.tm_wday)]};
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scoped_pad p(field_value, padinfo_, dest);
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fmt_helper::append_string_view(field_value, dest);
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}
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};
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// Abbreviated month
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static const std::array<const char *, 12> months{"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"};
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class b_formatter : public flag_formatter
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{
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public:
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explicit b_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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string_view_t field_value{months[static_cast<size_t>(tm_time.tm_mon)]};
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scoped_pad p(field_value, padinfo_, dest);
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fmt_helper::append_string_view(field_value, dest);
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}
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};
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// Full month name
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static const std::array<const char *, 12> full_months{
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"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
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class B_formatter : public flag_formatter
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{
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public:
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explicit B_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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string_view_t field_value{full_months[static_cast<size_t>(tm_time.tm_mon)]};
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scoped_pad p(field_value, padinfo_, dest);
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fmt_helper::append_string_view(field_value, dest);
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}
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};
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// Date and time representation (Thu Aug 23 15:35:46 2014)
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class c_formatter final : public flag_formatter
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{
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public:
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explicit c_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 24;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::append_string_view(days[static_cast<size_t>(tm_time.tm_wday)], dest);
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dest.push_back(' ');
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fmt_helper::append_string_view(months[static_cast<size_t>(tm_time.tm_mon)], dest);
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dest.push_back(' ');
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fmt_helper::append_int(tm_time.tm_mday, dest);
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dest.push_back(' ');
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// time
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fmt_helper::pad2(tm_time.tm_hour, dest);
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dest.push_back(':');
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fmt_helper::pad2(tm_time.tm_min, dest);
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dest.push_back(':');
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fmt_helper::pad2(tm_time.tm_sec, dest);
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dest.push_back(' ');
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fmt_helper::append_int(tm_time.tm_year + 1900, dest);
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}
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};
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// year - 2 digit
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class C_formatter final : public flag_formatter
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{
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public:
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explicit C_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(tm_time.tm_year % 100, dest);
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}
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};
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// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01
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class D_formatter final : public flag_formatter
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{
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public:
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explicit D_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 10;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(tm_time.tm_mon + 1, dest);
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dest.push_back('/');
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fmt_helper::pad2(tm_time.tm_mday, dest);
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dest.push_back('/');
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fmt_helper::pad2(tm_time.tm_year % 100, dest);
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}
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};
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// year - 4 digit
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class Y_formatter final : public flag_formatter
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{
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public:
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explicit Y_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 4;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::append_int(tm_time.tm_year + 1900, dest);
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}
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};
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// month 1-12
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class m_formatter final : public flag_formatter
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{
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public:
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explicit m_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(tm_time.tm_mon + 1, dest);
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}
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};
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// day of month 1-31
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class d_formatter final : public flag_formatter
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{
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public:
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explicit d_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(tm_time.tm_mday, dest);
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}
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};
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// hours in 24 format 0-23
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class H_formatter final : public flag_formatter
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{
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public:
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explicit H_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(tm_time.tm_hour, dest);
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}
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};
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// hours in 12 format 1-12
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class I_formatter final : public flag_formatter
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{
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public:
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explicit I_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(to12h(tm_time), dest);
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}
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};
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// minutes 0-59
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class M_formatter final : public flag_formatter
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{
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public:
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explicit M_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(tm_time.tm_min, dest);
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}
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};
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// seconds 0-59
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class S_formatter final : public flag_formatter
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{
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public:
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explicit S_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad2(tm_time.tm_sec, dest);
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}
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};
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// milliseconds
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class e_formatter final : public flag_formatter
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{
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public:
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explicit e_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
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{
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auto millis = fmt_helper::time_fraction<std::chrono::milliseconds>(msg.time);
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if (padinfo_.enabled())
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{
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const size_t field_size = 3;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest);
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}
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else
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{
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fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest);
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}
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}
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};
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// microseconds
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class f_formatter final : public flag_formatter
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{
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public:
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explicit f_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
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{
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auto micros = fmt_helper::time_fraction<std::chrono::microseconds>(msg.time);
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if (padinfo_.enabled())
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{
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const size_t field_size = 6;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad6(static_cast<size_t>(micros.count()), dest);
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}
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else
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{
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fmt_helper::pad6(static_cast<size_t>(micros.count()), dest);
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}
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}
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};
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// nanoseconds
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class F_formatter final : public flag_formatter
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{
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public:
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explicit F_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
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{
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auto ns = fmt_helper::time_fraction<std::chrono::nanoseconds>(msg.time);
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if (padinfo_.enabled())
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{
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const size_t field_size = 9;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::pad9(static_cast<size_t>(ns.count()), dest);
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}
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else
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{
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fmt_helper::pad9(static_cast<size_t>(ns.count()), dest);
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}
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}
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};
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// seconds since epoch
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class E_formatter final : public flag_formatter
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{
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public:
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explicit E_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 10;
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scoped_pad p(field_size, padinfo_, dest);
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auto duration = msg.time.time_since_epoch();
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auto seconds = std::chrono::duration_cast<std::chrono::seconds>(duration).count();
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fmt_helper::append_int(seconds, dest);
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}
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};
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// AM/PM
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class p_formatter final : public flag_formatter
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{
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public:
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explicit p_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 2;
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scoped_pad p(field_size, padinfo_, dest);
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fmt_helper::append_string_view(ampm(tm_time), dest);
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}
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};
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// 12 hour clock 02:55:02 pm
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class r_formatter final : public flag_formatter
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{
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public:
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explicit r_formatter(padding_info padinfo)
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: flag_formatter(padinfo)
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{}
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void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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const size_t field_size = 11;
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scoped_pad p(field_size, padinfo_, dest);
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|
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)
|
|
{}
|
|
|
|
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)
|
|
{
|
|
// refresh every 10 seconds
|
|
if (msg.time - last_update_ >= std::chrono::seconds(10))
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
};
|
|
|
|
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.size() > 0)
|
|
{
|
|
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
|
|
|
|
SPDLOG_INLINE pattern_formatter::pattern_formatter(std::string pattern, pattern_time_type time_type, std::string 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
|
|
SPDLOG_INLINE pattern_formatter::pattern_formatter(pattern_time_type time_type, std::string 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{}));
|
|
}
|
|
|
|
SPDLOG_INLINE std::unique_ptr<formatter> pattern_formatter::clone() const
|
|
{
|
|
return details::make_unique<pattern_formatter>(pattern_, pattern_time_type_, eol_);
|
|
}
|
|
|
|
SPDLOG_INLINE void pattern_formatter::format(const details::log_msg &msg, fmt::memory_buffer &dest)
|
|
{
|
|
#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);
|
|
}
|
|
|
|
SPDLOG_INLINE std::tm pattern_formatter::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));
|
|
}
|
|
|
|
SPDLOG_INLINE void pattern_formatter::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;
|
|
|
|
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.
|
|
SPDLOG_INLINE details::padding_info pattern_formatter::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};
|
|
}
|
|
|
|
SPDLOG_INLINE void pattern_formatter::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
|