// Zoe AIM Away Message RSS Feed Generator
//
// Seth King and Douglas Thrift
//
// $Id$

#include "Stamp.hpp"

Stamp::Stamp(int day, int month, int year, int hour, int minute, int second)
{
	stamp.tm_mday = day;
	stamp.tm_mon = month;
	stamp.tm_year = year;
	stamp.tm_hour = hour;
	stamp.tm_min = minute;
	stamp.tm_sec = second;

	timegm(&stamp);
}

Stamp::Stamp(const ext::String& when)
{
	::strptime(when.NullTerminate(), "%a, %d %b %Y %k:%M:%S %Z", &stamp);
}

Stamp::operator ext::String()
{
	char when[30];

	std::strftime(when, 30, "%a, %d %b %Y %k:%M:%S GMT", &stamp);

	return when;
}

Stamp Stamp::operator+(Stamp stamp)
{
	return timegm(&this->stamp) + timegm(&stamp.stamp);
}

Stamp Stamp::operator-(Stamp stamp)
{
	return std::time_t(difftime(timegm(&this->stamp), timegm(&stamp.stamp)));
}