oks::tz Namespace Reference

Classes
class	DB

Functions
boost::posix_time::ptime	str_2_posix_time (const std::string &in, boost::local_time::time_zone_ptr tz_ptr, const char *value)
uint64_t	posix_time_2_to_ns (boost::posix_time::ptime t)
std::string	posix_time_2_iso_string (boost::posix_time::ptime t)

Function Documentation

posix_time_2_iso_string()

std::string oks::tz::posix_time_2_iso_string

(

boost::posix_time::ptime

t

)

Definition at line 108 of file oks_tz.cpp.

{
  return boost::posix_time::to_iso_string(t);
}

posix_time_2_to_ns()

uint64_t oks::tz::posix_time_2_to_ns

(

boost::posix_time::ptime

t

)

Definition at line 101 of file oks_tz.cpp.

{
  static boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1));
  return ((t - epoch).total_nanoseconds());
}

str_2_posix_time()

boost::posix_time::ptime oks::tz::str_2_posix_time	(	const std::string &	in,
		boost::local_time::time_zone_ptr	tz_ptr,
		const char *	value )

Definition at line 60 of file oks_tz.cpp.

{
  std::string s(in);
  std::replace(s.begin(), s.end(), 'T', ' ');
 
  boost::posix_time::ptime t;
 
  // convert string to time
  try
    {
      t = boost::posix_time::time_from_string(s);
    }
  catch (const std::exception& ex)
    {
      std::ostringstream text;
      text << "cannot parse " << value << " = \'" << in << "\': \"" << ex.what() << "\" (ISO 8601 format (YYYY-MM-DD HH:MM:SS) is expected).";
      throw std::runtime_error(text.str().c_str());
    }
 
 
  // convert local time to UTC, if the time zone was provided
  if (tz_ptr)
    {
      try
        {
          boost::local_time::local_date_time lt(t.date(), t.time_of_day(), tz_ptr, boost::local_time::local_date_time::EXCEPTION_ON_ERROR);
          TLOG_DEBUG(1) <<  "Build zone\'s time \'" << in << "\' => \'" << lt.to_string() << "\' using \'" << tz_ptr->to_posix_string() << '\'' ;
          t = lt.utc_time();
        }
      catch(std::exception& e)
        {
          std::ostringstream text;
          text << "cannot parse " << value << " = \'" << in << "\' in time zone \"" << tz_ptr->to_posix_string() << "\": \"" << e.what() << '\"' << std::endl;
          throw std::runtime_error(text.str().c_str());
        }
    }
 
  return t;
}