string Gregorian::to_string() const {
ostringstream oss;
//Wednesday, January 1 1000 CE, 12:00 : 00 am
oss << gregorian_week_name(day_of_week(*this)) << ", "
<< gregorian_month_name(month_) << " " << day_ << " "
<< ((year_ > 0) ? std::to_string(year_) : std::to_string(abs(year_) + 1))
<< ((year_ > 0) ? " CE, " : " BCE, ")
<< hms_to_string(this->to_jd());
return oss.str();
}
std::string Islamic::to_string() const & {
std::ostringstream oss;
std::string weekday;
year_t year = year_;
weekday = ((islamic_day_name( ((day_of_week(to_jd()) + 1) % 7 ) ) ) );
oss << weekday << ", " << islamic_month_name(month_) << ' ' << day_ << ' ';
oss << year << ", " << hms_to_string(hour_, minute_, second_);
return oss.str();
}
std::string Julian::to_string() const & {
std::ostringstream oss;
std::string era(" AD, ");
std::string weekday;
year_t year = year_;
if (year < 0) {
year = abs(year) + 1;
era = " BC, ";
weekday = ((julian_day_name((day_of_week(julian_to_jd(year, month_, day_)) % 7))));
}
else {
weekday = ((julian_day_name((day_of_week(to_jd())))));
}
oss << weekday << ", " << julian_month_name(month_) << ' ' << day_ << ' ';
oss << year << era << hms_to_string(hour_, minute_, second_);
return oss.str();
}
