mirror of
https://github.com/gabime/spdlog.git
synced 2024-11-15 16:35:45 +08:00
Pattern formatter optimizations
This commit is contained in:
gabime
parent
87e013534c
commit
a6e2f23780
@ -26,17 +26,13 @@ inline void append_buf(const fmt::memory_buffer &buf, fmt::memory_buffer &dest)
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dest.append(buf_ptr, buf_ptr + buf.size());
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}
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inline void append_int(int n, fmt::memory_buffer &dest)
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template<typename T>
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inline void append_int(T n, fmt::memory_buffer &dest)
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{
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fmt::format_int i(n);
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dest.append(i.data(), i.data() + i.size());
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}
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inline void append_size_t(size_t n, fmt::memory_buffer &dest)
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{
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fmt::format_int i(n);
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dest.append(i.data(), i.data() + i.size());
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}
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inline void append_and_pad2(int n, fmt::memory_buffer &dest)
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{
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@ -64,12 +60,17 @@ inline void append_and_pad3(int n, fmt::memory_buffer &dest)
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}
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if (n > 9) // 10-99
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{
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dest.push_back('0');
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dest.push_back('0');
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dest.push_back('0' + n / 10);
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dest.push_back('0' + n % 10);
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return;
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}
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else if (n >= 0)
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{
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dest.push_back('0');
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dest.push_back('0');
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dest.push_back('0' + n);
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return;
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}
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// negatives (unlikely, but just in case let fmt deal with it)
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else
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@ -77,7 +78,7 @@ inline void append_and_pad3(int n, fmt::memory_buffer &dest)
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fmt::format_to(dest, "{:03}", n);
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return;
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}
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append_int(n, dest);
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}
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inline void append_and_pad6(int n, fmt::memory_buffer &dest)
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@ -460,13 +460,12 @@ class full_formatter SPDLOG_FINAL : public flag_formatter
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void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override
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{
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#ifndef SPDLOG_NO_DATETIME
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auto duration = msg.time.time_since_epoch();
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// each second cache the header
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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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if (cached_header_.size() == 0 || cached_seconds_ts_ != seconds)
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{
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cached_header_ = std::move(fmt::memory_buffer());
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cached_header_.push_back('[');
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fmt_helper::append_int(tm_time.tm_year + 1900, cached_header_);
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@ -491,19 +490,10 @@ class full_formatter SPDLOG_FINAL : public flag_formatter
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}
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fmt_helper::append_buf(cached_header_, dest);
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//
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auto millis = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count() % 1000;
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if (cached_millis_.size() == 0 || millis != cached_millis_ts_)
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{
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cached_millis_ = std::move(fmt::memory_buffer());
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fmt_helper::append_and_pad3(static_cast<int>(millis), cached_millis_);
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cached_millis_.push_back(']');
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cached_millis_.push_back(' ');
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cached_millis_ts_ = millis;
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}
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fmt_helper::append_buf(cached_millis_, dest);
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fmt_helper::append_and_pad3(static_cast<int>(millis), dest);
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dest.push_back(']');
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dest.push_back(' ');
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#else // no datetime needed
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(void)tm_time;
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#endif
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@ -528,226 +518,237 @@ class full_formatter SPDLOG_FINAL : public flag_formatter
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private:
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std::chrono::seconds::rep cached_seconds_ts_{0};
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std::chrono::milliseconds::rep cached_millis_ts_{0};
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fmt::memory_buffer cached_header_;
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fmt::memory_buffer cached_millis_;
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};
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} // namespace details
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} // namespace spdlog
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///////////////////////////////////////////////////////////////////////////////
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// pattern_formatter inline impl
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///////////////////////////////////////////////////////////////////////////////
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inline spdlog::pattern_formatter::pattern_formatter(const std::string &pattern, pattern_time_type pattern_time, std::string eol)
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: eol_(std::move(eol))
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, pattern_time_(pattern_time)
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{
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compile_pattern(pattern);
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}
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inline void spdlog::pattern_formatter::compile_pattern(const std::string &pattern)
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class pattern_formatter SPDLOG_FINAL : public formatter
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{
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auto end = pattern.end();
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std::unique_ptr<details::aggregate_formatter> user_chars;
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for (auto it = pattern.begin(); it != end; ++it)
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public:
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explicit pattern_formatter(const std::string &pattern, pattern_time_type pattern_time = pattern_time_type::local,
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std::string eol = spdlog::details::os::default_eol)
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: eol_(std::move(eol))
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, pattern_time_(pattern_time)
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{
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if (*it == '%')
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{
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if (user_chars) // append user chars found so far
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{
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formatters_.push_back(std::move(user_chars));
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}
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// if(
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if (++it != end)
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{
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handle_flag(*it);
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}
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else
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{
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break;
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}
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}
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else // chars not following the % sign should be displayed as is
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{
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if (!user_chars)
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{
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user_chars = std::unique_ptr<details::aggregate_formatter>(new details::aggregate_formatter());
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}
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user_chars->add_ch(*it);
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}
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compile_pattern(pattern);
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}
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if (user_chars) // append raw chars found so far
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pattern_formatter(const pattern_formatter &) = default;
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pattern_formatter &operator=(const pattern_formatter &) = default;
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void format(const details::log_msg &msg, fmt::memory_buffer &dest) override
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{
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formatters_.push_back(std::move(user_chars));
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}
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}
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inline void spdlog::pattern_formatter::handle_flag(char flag)
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{
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switch (flag)
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{
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// logger name
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case 'n':
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formatters_.emplace_back(new details::name_formatter());
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break;
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case 'l':
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formatters_.emplace_back(new details::level_formatter());
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break;
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case 'L':
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formatters_.emplace_back(new details::short_level_formatter());
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break;
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case ('t'):
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formatters_.emplace_back(new details::t_formatter());
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break;
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case ('v'):
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formatters_.emplace_back(new details::v_formatter());
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break;
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case ('a'):
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formatters_.emplace_back(new details::a_formatter());
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break;
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case ('A'):
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formatters_.emplace_back(new details::A_formatter());
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break;
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case ('b'):
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case ('h'):
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formatters_.emplace_back(new details::b_formatter());
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break;
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case ('B'):
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formatters_.emplace_back(new details::B_formatter());
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break;
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case ('c'):
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formatters_.emplace_back(new details::c_formatter());
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break;
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case ('C'):
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formatters_.emplace_back(new details::C_formatter());
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break;
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case ('Y'):
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formatters_.emplace_back(new details::Y_formatter());
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break;
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case ('D'):
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case ('x'):
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formatters_.emplace_back(new details::D_formatter());
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break;
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case ('m'):
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formatters_.emplace_back(new details::m_formatter());
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break;
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case ('d'):
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formatters_.emplace_back(new details::d_formatter());
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break;
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case ('H'):
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formatters_.emplace_back(new details::H_formatter());
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break;
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case ('I'):
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formatters_.emplace_back(new details::I_formatter());
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break;
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case ('M'):
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formatters_.emplace_back(new details::M_formatter());
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break;
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case ('S'):
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formatters_.emplace_back(new details::S_formatter());
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break;
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case ('e'):
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formatters_.emplace_back(new details::e_formatter());
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break;
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case ('f'):
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formatters_.emplace_back(new details::f_formatter());
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break;
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case ('F'):
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formatters_.emplace_back(new details::F_formatter());
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break;
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case ('E'):
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formatters_.emplace_back(new details::E_formatter());
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break;
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case ('p'):
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formatters_.emplace_back(new details::p_formatter());
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break;
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case ('r'):
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formatters_.emplace_back(new details::r_formatter());
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break;
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case ('R'):
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formatters_.emplace_back(new details::R_formatter());
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break;
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case ('T'):
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case ('X'):
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formatters_.emplace_back(new details::T_formatter());
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break;
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case ('z'):
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formatters_.emplace_back(new details::z_formatter());
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break;
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case ('+'):
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formatters_.emplace_back(new details::full_formatter());
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break;
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case ('P'):
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formatters_.emplace_back(new details::pid_formatter());
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break;
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case ('i'):
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formatters_.emplace_back(new details::i_formatter());
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break;
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case ('^'):
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formatters_.emplace_back(new details::color_start_formatter());
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break;
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case ('$'):
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formatters_.emplace_back(new details::color_stop_formatter());
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break;
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default: // Unknown flag appears as is
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formatters_.emplace_back(new details::ch_formatter('%'));
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formatters_.emplace_back(new details::ch_formatter(flag));
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break;
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}
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}
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inline std::tm spdlog::pattern_formatter::get_time(const details::log_msg &msg)
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{
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if (pattern_time_ == pattern_time_type::local)
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{
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return details::os::localtime(log_clock::to_time_t(msg.time));
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}
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return details::os::gmtime(log_clock::to_time_t(msg.time));
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}
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inline void spdlog::pattern_formatter::format(const details::log_msg &msg, fmt::memory_buffer &dest)
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{
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#ifndef SPDLOG_NO_DATETIME
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auto tm_time = get_time(msg);
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#else
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std::tm tm_time;
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auto secs = std::chrono::duration_cast<std::chrono::seconds>(msg.time.time_since_epoch());
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if (secs != last_log_secs_)
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{
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cached_tm_ = get_time(msg);
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last_log_secs_ = secs;
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}
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#endif
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for (auto &f : formatters_)
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{
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f->format(msg, tm_time, dest);
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for (auto &f : formatters_)
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{
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f->format(msg, cached_tm_, dest);
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}
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// write eol
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details::fmt_helper::append_str(eol_, dest);
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}
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// write eol
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details::fmt_helper::append_str(eol_, dest);
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}
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private:
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const std::string eol_;
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const pattern_time_type pattern_time_;
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std::tm cached_tm_{};
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std::chrono::seconds last_log_secs_;
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std::vector<std::unique_ptr<details::flag_formatter>> formatters_;
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std::tm get_time(const details::log_msg &msg)
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{
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if (pattern_time_ == pattern_time_type::local)
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{
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return details::os::localtime(log_clock::to_time_t(msg.time));
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}
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return details::os::gmtime(log_clock::to_time_t(msg.time));
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}
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void handle_flag(char flag)
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{
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switch (flag)
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{
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// logger name
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case 'n':
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formatters_.emplace_back(new details::name_formatter());
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break;
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case 'l':
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formatters_.emplace_back(new details::level_formatter());
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break;
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case 'L':
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formatters_.emplace_back(new details::short_level_formatter());
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break;
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case ('t'):
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formatters_.emplace_back(new details::t_formatter());
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break;
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case ('v'):
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formatters_.emplace_back(new details::v_formatter());
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break;
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case ('a'):
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formatters_.emplace_back(new details::a_formatter());
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break;
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case ('A'):
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formatters_.emplace_back(new details::A_formatter());
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break;
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case ('b'):
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case ('h'):
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formatters_.emplace_back(new details::b_formatter());
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break;
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case ('B'):
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formatters_.emplace_back(new details::B_formatter());
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break;
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case ('c'):
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formatters_.emplace_back(new details::c_formatter());
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break;
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case ('C'):
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formatters_.emplace_back(new details::C_formatter());
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break;
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case ('Y'):
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formatters_.emplace_back(new details::Y_formatter());
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break;
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case ('D'):
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case ('x'):
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formatters_.emplace_back(new details::D_formatter());
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break;
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case ('m'):
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formatters_.emplace_back(new details::m_formatter());
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break;
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case ('d'):
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formatters_.emplace_back(new details::d_formatter());
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break;
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case ('H'):
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formatters_.emplace_back(new details::H_formatter());
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break;
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case ('I'):
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formatters_.emplace_back(new details::I_formatter());
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break;
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case ('M'):
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formatters_.emplace_back(new details::M_formatter());
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break;
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case ('S'):
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formatters_.emplace_back(new details::S_formatter());
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break;
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case ('e'):
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formatters_.emplace_back(new details::e_formatter());
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break;
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case ('f'):
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formatters_.emplace_back(new details::f_formatter());
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break;
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case ('F'):
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formatters_.emplace_back(new details::F_formatter());
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break;
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case ('E'):
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formatters_.emplace_back(new details::E_formatter());
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break;
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case ('p'):
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formatters_.emplace_back(new details::p_formatter());
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break;
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case ('r'):
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formatters_.emplace_back(new details::r_formatter());
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break;
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case ('R'):
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formatters_.emplace_back(new details::R_formatter());
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break;
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case ('T'):
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case ('X'):
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formatters_.emplace_back(new details::T_formatter());
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break;
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case ('z'):
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formatters_.emplace_back(new details::z_formatter());
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break;
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case ('+'):
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formatters_.emplace_back(new details::full_formatter());
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break;
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case ('P'):
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formatters_.emplace_back(new details::pid_formatter());
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break;
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case ('i'):
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formatters_.emplace_back(new details::i_formatter());
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break;
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case ('^'):
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formatters_.emplace_back(new details::color_start_formatter());
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break;
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case ('$'):
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formatters_.emplace_back(new details::color_stop_formatter());
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break;
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default: // Unknown flag appears as is
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formatters_.emplace_back(new details::ch_formatter('%'));
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formatters_.emplace_back(new details::ch_formatter(flag));
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break;
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}
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}
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void compile_pattern(const std::string &pattern)
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{
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auto end = pattern.end();
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std::unique_ptr<details::aggregate_formatter> user_chars;
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for (auto it = pattern.begin(); it != end; ++it)
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{
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if (*it == '%')
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{
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if (user_chars) // append user chars found so far
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{
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formatters_.push_back(std::move(user_chars));
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}
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// if(
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if (++it != end)
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{
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handle_flag(*it);
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}
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else
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{
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break;
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}
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}
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else // chars not following the % sign should be displayed as is
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{
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if (!user_chars)
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{
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user_chars = std::unique_ptr<details::aggregate_formatter>(new details::aggregate_formatter());
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}
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user_chars->add_ch(*it);
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}
|
||||
}
|
||||
if (user_chars) // append raw chars found so far
|
||||
{
|
||||
formatters_.push_back(std::move(user_chars));
|
||||
}
|
||||
}
|
||||
};
|
||||
} // namespace spdlog
|
||||
|
||||
@ -20,28 +20,6 @@ public:
|
||||
virtual ~formatter() = default;
|
||||
virtual void format(const details::log_msg &msg, fmt::memory_buffer &dest) = 0;
|
||||
};
|
||||
|
||||
namespace details {
|
||||
class flag_formatter;
|
||||
}
|
||||
|
||||
class pattern_formatter SPDLOG_FINAL : public formatter
|
||||
{
|
||||
public:
|
||||
explicit pattern_formatter(const std::string &pattern, pattern_time_type pattern_time = pattern_time_type::local,
|
||||
std::string eol = spdlog::details::os::default_eol);
|
||||
pattern_formatter(const pattern_formatter &) = default;
|
||||
pattern_formatter &operator=(const pattern_formatter &) = default;
|
||||
void format(const details::log_msg &msg, fmt::memory_buffer &dest) override;
|
||||
|
||||
private:
|
||||
const std::string eol_;
|
||||
const pattern_time_type pattern_time_;
|
||||
std::vector<std::unique_ptr<details::flag_formatter>> formatters_;
|
||||
std::tm get_time(const details::log_msg &msg);
|
||||
void handle_flag(char flag);
|
||||
void compile_pattern(const std::string &pattern);
|
||||
};
|
||||
} // namespace spdlog
|
||||
|
||||
#include "details/pattern_formatter_impl.h"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user