void save(Archive & ar,
const posix_time::ptime& pt,
unsigned int version)
{
// from_iso_string does not include fractional seconds
// therefore date and time_duration are used
typename posix_time::ptime::date_type d = pt.date();
typename posix_time::ptime::time_duration_type td = pt.time_of_day();
ar & make_nvp("ptime_date", d);
ar & make_nvp("ptime_time_duration", td);
}
String to_http_date(const posix_time::ptime &datetime)
{
using detail::append_number;
typedef gregorian::date::ymd_type::year_type::value_type year_type;
typedef gregorian::date::ymd_type::day_type::value_type day_type;
String ret;
ret.reserve(29);
ret.append([&datetime]() {
using namespace gregorian;
switch(datetime.date().day_of_week()) {
case Monday: return "Mon, ";
case Tuesday: return "Tue, ";
case Wednesday: return "Wed, ";
case Thursday: return "Thu, ";
case Friday: return "Fri, ";
case Saturday: return "Sat, ";
case Sunday: return "Sun, ";
default:
throw std::out_of_range("bad day of week");
}
}(), 5);
{
gregorian::date::ymd_type ymd = datetime.date().year_month_day();
append_number<String, 2, day_type>(ret, ymd.day);
ret.push_back(' ');
switch (ymd.month) {
case 1: ret.append("Jan ", 4); break;
case 2: ret.append("Feb ", 4); break;
case 3: ret.append("Mar ", 4); break;
case 4: ret.append("Apr ", 4); break;
case 5: ret.append("May ", 4); break;
case 6: ret.append("Jun ", 4); break;
case 7: ret.append("Jul ", 4); break;
case 8: ret.append("Aug ", 4); break;
case 9: ret.append("Sep ", 4); break;
case 10: ret.append("Oct ", 4); break;
case 11: ret.append("Nov ", 4); break;
case 12: ret.append("Dec ", 4); break;
default:
throw std::out_of_range("bad month");
}
append_number<String, 4, year_type>(ret, ymd.year);
}
{
auto time = datetime.time_of_day();
ret.push_back(' ');
append_number<String, 2>(ret, time.hours());
ret.push_back(':');
append_number<String, 2>(ret, time.minutes());
ret.push_back(':');
append_number<String, 2>(ret, time.seconds());
}
ret.append(" GMT", 4);
return ret;
}
posix_time::ptime ceil(const posix_time::ptime &time,
const posix_time::time_duration &prec)
{
return posix_time::ptime(time.date(),
my::time::ceil(time.time_of_day(), prec));
}