GncDateTimeImpl::GncDateTimeImpl(const std::string str) :
m_time(unix_epoch, utc_zone)
{
if (str.empty()) return;
using std::string;
using PTZ = boost::local_time::posix_time_zone;
TZ_Ptr tzptr;
auto tzpos = str.find_first_of("+-", str.find(":"));
if (tzpos != str.npos)
{
string tzstr = "XXX" + str.substr(tzpos);
if (tzstr.length() > 6 && tzstr[6] != ':') //6 for XXXsHH, s is + or -
tzstr.insert(6, ":");
if (tzstr.length() > 9 && tzstr[9] != ':') //9 for XXXsHH:MM
tzstr.insert(9, ":");
tzptr.reset(new PTZ(tzstr));
if (str[tzpos - 1] == ' ') --tzpos;
}
else
{
tzptr = utc_zone;
}
try
{
auto pdt = boost::posix_time::time_from_string(str.substr(0, tzpos));
m_time = LDT(pdt.date(), pdt.time_of_day(), tzptr,
LDTBase::NOT_DATE_TIME_ON_ERROR);
}
catch(boost::gregorian::bad_year)
{
throw(std::invalid_argument("The date string was outside of the supported year range."));
}
}
GncDateTimeImpl::GncDateTimeImpl(const std::string str) :
m_time(unix_epoch, utc_zone)
{
if (str.empty()) return;
using std::string;
using PTZ = boost::local_time::posix_time_zone;
TZ_Ptr tzptr;
auto tzpos = str.find_first_of("+-", str.find(":"));
int offset = 0L;
if (tzpos != str.npos)
{
string tzstr = "XXX" + str.substr(tzpos);
if (tzstr.length() > 6 && tzstr[6] != ':') //6 for XXXsHH, s is + or -
tzstr.insert(6, ":");
if (tzstr.length() > 9 && tzstr[9] != ':') //9 for XXXsHH:MM
{
tzstr.insert(9, ":");
/* Bug 767824: A GLib bug in parsing the UTC timezone on
* Windows may have created a bogus timezone of a random
* number of minutes. Since there are no fractional-hour
* timezones around the prime meridian we can safely check for
* this in files by looking for minutes-only offsets and
* making the appropriate correction.
*/
if (tzstr.compare(7,8, "00") &&
(tzstr.length() > 10 ? tzstr[10] != '0' :
!tzstr.compare(10, 11, "00")))
{
offset = atoi(tzstr.substr(10,11).c_str());
if (offset && tzpos == '-')
offset = -offset;
tzstr.replace(10, 11, "00");
}
}
tzptr.reset(new PTZ(tzstr));
if (str[tzpos - 1] == ' ') --tzpos;
}
else
{
tzptr = utc_zone;
}
try
{
using Facet = boost::posix_time::time_input_facet;
//The stream destructor frees the facet, so it must be heap-allocated.
auto input_facet(new Facet());
std::istringstream ss(str.substr(0, tzpos));
ss.imbue(std::locale(std::locale(), input_facet));
input_facet->set_iso_extended_format();
PTime pdt(not_a_date_time);
ss >> pdt;
m_time = LDT(pdt.date(), pdt.time_of_day(), tzptr,
LDTBase::NOT_DATE_TIME_ON_ERROR);
}
catch(boost::gregorian::bad_year)
{
throw(std::invalid_argument("The date string was outside of the supported year range."));
}
if (offset)
m_time -= boost::posix_time::minutes(offset);
}
