nth_kday_type
get_nth_kday_type(stream_itr_type& sitr,
stream_itr_type& stream_end,
std::ios_base& a_ios,
const facet_type& facet) const
{
// skip leading whitespace
while(std::isspace(*sitr) && sitr != stream_end) { ++sitr; }
typename nth_kday_type::week_num wn;
day_of_week_type wd(0); // no default constructor
month_type m(1); // no default constructor
match_results mr = m_element_strings.match(sitr, stream_end);
switch(mr.current_match) {
case first : { wn = nth_kday_type::first; break; }
case second : { wn = nth_kday_type::second; break; }
case third : { wn = nth_kday_type::third; break; }
case fourth : { wn = nth_kday_type::fourth; break; }
case fifth : { wn = nth_kday_type::fifth; break; }
default:
{
boost::throw_exception(std::ios_base::failure("Parse failed. No match found for '" + mr.cache + "'"));
BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(wn = nth_kday_type::first);
}
} // week num
facet.get(sitr, stream_end, a_ios, wd); // day_of_week
extract_element(sitr, stream_end, of); // "of" element
facet.get(sitr, stream_end, a_ios, m); // month
return nth_kday_type(wn, wd, m);
}
period_type get_period(stream_itr_type& sitr,
stream_itr_type& stream_end,
std::ios_base& a_ios,
const period_type& p,
const duration_type& dur_unit,
const facet_type& facet) const
{
// skip leading whitespace
while(std::isspace(*sitr) && sitr != stream_end) { ++sitr; }
typedef typename period_type::point_type point_type;
point_type p1(not_a_date_time), p2(not_a_date_time);
consume_delim(sitr, stream_end, delimiters[START]); // start delim
facet.get(sitr, stream_end, a_ios, p1); // first point
consume_delim(sitr, stream_end, delimiters[SEPARATOR]); // separator
facet.get(sitr, stream_end, a_ios, p2); // second point
// period construction parameters are always open range [begin, end)
if (m_range_option == AS_CLOSED_RANGE) {
consume_delim(sitr, stream_end, delimiters[CLOSED_END]);// end delim
// add 1 duration unit to p2 to make range open
p2 += dur_unit;
}
else {
consume_delim(sitr, stream_end, delimiters[OPEN_END]); // end delim
}
return period_type(p1, p2);
}
last_kday_type
get_last_kday_type(stream_itr_type& sitr,
stream_itr_type& stream_end,
std::ios_base& a_ios,
const facet_type& facet) const
{
// skip leading whitespace
while(std::isspace(*sitr) && sitr != stream_end) { ++sitr; }
day_of_week_type wd(0); // no default constructor
month_type m(1); // no default constructor
extract_element(sitr, stream_end, last); // "last" element
facet.get(sitr, stream_end, a_ios, wd); // day_of_week
extract_element(sitr, stream_end, of); // "of" element
facet.get(sitr, stream_end, a_ios, m); // month
return last_kday_type(wd, m);
}
kday_after_type
get_kday_after_type(stream_itr_type& sitr,
stream_itr_type& stream_end,
std::ios_base& a_ios,
const facet_type& facet) const
{
// skip leading whitespace
while(std::isspace(*sitr) && sitr != stream_end) { ++sitr; }
day_of_week_type wd(0); // no default constructor
facet.get(sitr, stream_end, a_ios, wd); // day_of_week
extract_element(sitr, stream_end, after); // "after" element
return kday_after_type(wd);
}
partial_date_type
get_partial_date_type(stream_itr_type& sitr,
stream_itr_type& stream_end,
std::ios_base& a_ios,
const facet_type& facet) const
{
// skip leading whitespace
while(std::isspace(*sitr) && sitr != stream_end) { ++sitr; }
day_type d(1);
month_type m(1);
facet.get(sitr, stream_end, a_ios, d);
facet.get(sitr, stream_end, a_ios, m);
return partial_date_type(d,m);
}
