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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#pragma once
/**
* \file fmtlib formatter for utime_t
*/
#include <fmt/chrono.h>
#include <fmt/format.h>
#include "include/utime.h"
template <>
struct fmt::formatter<utime_t> {
template <typename ParseContext>
constexpr auto parse(ParseContext& ctx)
{
auto it = ctx.begin();
if (it != ctx.end() && *it == 's') {
short_format = true;
++it;
}
return it;
}
template <typename FormatContext>
auto format(const utime_t& utime, FormatContext& ctx)
{
if (utime.sec() < ((time_t)(60 * 60 * 24 * 365 * 10))) {
// raw seconds. this looks like a relative time.
return fmt::format_to(ctx.out(), "{}.{:06}", (long)utime.sec(),
utime.usec());
}
// this looks like an absolute time.
// conform to http://en.wikipedia.org/wiki/ISO_8601
// (unless short_format is set)
auto aslocal = fmt::localtime(utime.sec());
if (short_format) {
return fmt::format_to(ctx.out(), "{:%FT%T}.{:03}", aslocal,
utime.usec() / 1000);
}
return fmt::format_to(ctx.out(), "{:%FT%T}.{:06}{:%z}", aslocal,
utime.usec(), aslocal);
}
bool short_format{false};
};
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