//! Put time into an ostream
static void time_put(const time_type& t,
ostream_type& os)
{
date_type d = t.date();
os << d << " "; //TODO: fix the separator here.
duration_formatter::duration_put(t.time_of_day(), os);
} // time_to_ostream
OutItrT put(OutItrT a_next,
std::ios_base& a_ios,
char_type a_fill,
const time_type& a_time) const
{
if (a_time.is_special()) {
return do_put_special(a_next, a_ios, a_fill,
a_time.date().as_special());
}
string_type format(m_format);
string_type frac_str;
if (format.find(seconds_with_fractional_seconds_format)) {
// replace %s with %S.nnn
frac_str =
fractional_seconds_as_string(a_time.time_of_day(), false);
char_type sep = std::use_facet<std::numpunct<char_type> >(a_ios.getloc()).decimal_point();
string_type replace_string(seconds_format);
replace_string += sep;
replace_string += frac_str;
boost::algorithm::replace_all(format,
seconds_with_fractional_seconds_format,
replace_string);
}
if (format.find(fractional_seconds_format)) {
// replace %f with nnnnnnn
if (!frac_str.size()) {
frac_str = fractional_seconds_as_string(a_time.time_of_day(), false);
}
boost::algorithm::replace_all(format,
fractional_seconds_format,
frac_str);
}
if (format.find(fractional_seconds_or_none_format)) {
// replace %F with nnnnnnn or nothing if fs == 0
frac_str =
fractional_seconds_as_string(a_time.time_of_day(), true);
if (frac_str.size()) {
char_type sep = std::use_facet<std::numpunct<char_type> >(a_ios.getloc()).decimal_point();
string_type replace_string;
replace_string += sep;
replace_string += frac_str;
boost::algorithm::replace_all(format,
fractional_seconds_or_none_format,
replace_string);
}
else {
boost::algorithm::erase_all(format,
fractional_seconds_or_none_format);
}
}
return do_put_tm(a_next, a_ios, a_fill,
to_tm(a_time), format);
}
//! Put time into an ostream
static void time_put(const time_type& t,
ostream_type& os)
{
date_type d = t.date();
os << d;
if(!d.is_infinity() && !d.is_not_a_date())
{
os << " "; //TODO: fix the separator here.
duration_formatter::duration_put(t.time_of_day(), os);
}
} // time_to_ostream
//! Get the offset to UTC given a local time
static time_duration_type local_to_utc_offset(const time_type& t,
date_time::dst_flags dst=date_time::calculate)
{
switch (dst) {
case is_dst:
return utc_offset_rules::local_to_utc_base_offset() - dst_rules::dst_offset();
case not_dst:
return utc_offset_rules::local_to_utc_base_offset();
case calculate:
time_is_dst_result res =
dst_rules::local_is_dst(t.date(), t.time_of_day());
switch(res) {
case is_in_dst: return utc_offset_rules::local_to_utc_base_offset() - dst_rules::dst_offset();
case is_not_in_dst: return utc_offset_rules::local_to_utc_base_offset();
case ambiguous: return utc_offset_rules::local_to_utc_base_offset();
case invalid_time_label: throw std::out_of_range("Time label invalid");
}
}
throw std::out_of_range("Time label invalid");
}
//! Get the offset to UTC given a local time
static time_duration_type local_to_utc_offset(const time_type& t,
date_time::dst_flags dst=date_time::calculate)
{
switch (dst) {
case is_dst:
return utc_offset_rules::local_to_utc_base_offset() - dst_rules::dst_offset();
case not_dst:
return utc_offset_rules::local_to_utc_base_offset();
case calculate:
time_is_dst_result res =
dst_rules::local_is_dst(t.date(), t.time_of_day());
switch(res) {
case is_in_dst: return utc_offset_rules::local_to_utc_base_offset() - dst_rules::dst_offset();
case is_not_in_dst: return utc_offset_rules::local_to_utc_base_offset();
case ambiguous: return utc_offset_rules::local_to_utc_base_offset();
case invalid_time_label: break;
}
}
lslboost::throw_exception(std::out_of_range("Time label invalid"));
BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(return time_duration_type(not_a_date_time)); // should never reach
}
//! Convert a utc time to local time
static time_type utc_to_local(const time_type& t)
{
date_type time_t_start_day(1970,1,1);
time_type time_t_start_time(time_t_start_day,time_duration_type(0,0,0));
if (t < time_t_start_time) {
throw std::out_of_range("Cannot convert dates prior to Jan 1, 1970");
}
date_duration_type dd = t.date() - time_t_start_day;
time_duration_type td = t.time_of_day();
std::time_t t2 = dd.days()*86400 + td.hours()*3600 + td.minutes()*60 + td.seconds();
std::tm tms, *tms_ptr;
tms_ptr = c_time::localtime(&t2, &tms);
//tms_ptr = std::localtime(&t2);
date_type d(static_cast<unsigned short>(tms_ptr->tm_year + 1900),
static_cast<unsigned short>(tms_ptr->tm_mon + 1),
static_cast<unsigned short>(tms_ptr->tm_mday));
time_duration_type td2(tms_ptr->tm_hour,
tms_ptr->tm_min,
tms_ptr->tm_sec,
t.time_of_day().fractional_seconds());
return time_type(d,td2);
}