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Added elapsed flag to formatter

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This commit is contained in:
gabime 2019-07-10 01:35:22 +03:00
parent a4ec91fd06
commit c27a4ee61f
1 changed files with 50 additions and 0 deletions
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50
include/spdlog/details/pattern_formatter-inl.h
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@ -888,6 +888,40 @@ public:
} }
}; };
// print elapsed time since last message
template<typename Units>
class elapsed_formatter final : public flag_formatter
{
public:
using DurationUnits = Units;
explicit elapsed_formatter(padding_info padinfo)
: flag_formatter(padinfo),
last_message_time_(log_clock::now())
{}
void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
{
auto delta = msg.time - last_message_time_;
auto delta_units = std::chrono::duration_cast<DurationUnits>(delta);
last_message_time_ = msg.time;
if (padinfo_.enabled())
{
scoped_pad p(6, padinfo_, dest);
fmt_helper::pad6(static_cast<size_t>(delta_units.count()), dest);
}
else
{
fmt_helper::pad6(static_cast<size_t>(delta_units.count()), dest);
}
}
protected:
log_clock::time_point last_message_time_;
};
// Full info formatter // Full info formatter
// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v // pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v
class full_formatter final : public flag_formatter class full_formatter final : public flag_formatter
@ -1199,6 +1233,22 @@ SPDLOG_INLINE void pattern_formatter::handle_flag_(char flag, details::padding_i
formatters_.push_back(details::make_unique<details::ch_formatter>('%')); formatters_.push_back(details::make_unique<details::ch_formatter>('%'));
break; break;
case ('u'): // elapsed time since last log message in nanos
formatters_.push_back(details::make_unique<details::elapsed_formatter<std::chrono::nanoseconds>>(padding));
break;
case ('i'): // elapsed time since last log message in micros
formatters_.push_back(details::make_unique<details::elapsed_formatter<std::chrono::microseconds>>(padding));
break;
case ('o'): // elapsed time since last log message in millis
formatters_.push_back(details::make_unique<details::elapsed_formatter<std::chrono::milliseconds>>(padding));
break;
case ('O'): // elapsed time since last log message in seconds
formatters_.push_back(details::make_unique<details::elapsed_formatter<std::chrono::seconds>>(padding));
break;
default: // Unknown flag appears as is default: // Unknown flag appears as is
auto unknown_flag = details::make_unique<details::aggregate_formatter>(); auto unknown_flag = details::make_unique<details::aggregate_formatter>();
unknown_flag->add_ch('%'); unknown_flag->add_ch('%');