/*
- Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014-2019 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of libdcp.
+
+ libdcp is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ libdcp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
*/
/** @file src/local_time.cc
set_local_time_zone ();
}
+/** Construct a LocalTime from a boost::posix_time::ptime and a time zone offset.
+ * @param tz_minute Offset from UTC in minutes; if the timezone is behind UTC this may be negative,
+ * e.g. -04:30 would have tz_hour=-1 and tz_minute=-30.
+ */
+LocalTime::LocalTime (boost::posix_time::ptime t, int tz_hour, int tz_minute)
+{
+ _year = t.date().year ();
+ _month = t.date().month ();
+ _day = t.date().day ();
+ _hour = t.time_of_day().hours ();
+ _minute = t.time_of_day().minutes ();
+ _second = t.time_of_day().seconds ();
+ _millisecond = t.time_of_day().fractional_seconds () / 1000;
+ DCP_ASSERT (_millisecond < 1000);
+
+ _tz_hour = tz_hour;
+ _tz_minute = tz_minute;
+}
+
/** Set our UTC offset to be according to the local time zone */
void
LocalTime::set_local_time_zone ()
_tz_minute = offset.minutes ();
}
-/** @param s A string of the form 2013-01-05T18:06:59[.123]+04:00 */
+/** @param s A string of the form 2013-01-05T18:06:59[.123][+04:00] */
LocalTime::LocalTime (string s)
{
- /* 2013-01-05T18:06:59+04:00 or 2013-01-05T18:06:59.123+04:00 */
- /* 0123456789012345678901234 or 01234567890123456789012345678 */
+ /* 2013-01-05T18:06:59 or 2013-01-05T18:06:59.123 or 2013-01-05T18:06:59+04:00 or 2013-01-05T18:06:59.123+04:00 */
+ /* 0123456789012345678 or 01234567890123456789012 or 0123456789012345678901234 or 01234567890123456789012345678 */
- if (s.length() < 25) {
+ if (s.length() < 19) {
throw TimeFormatError (s);
}
- /* Check incidental characters */
- bool const common = s[4] == '-' && s[7] == '-' && s[10] == 'T' && s[13] == ':' && s[16] == ':';
- bool const without_millisecond = common && s[22] == ':';
- bool const with_millisecond = common && s[19] == '.' && s[26] == ':';
+ bool with_millisecond = false;
+ bool with_tz = false;
+
+ switch (s.length ()) {
+ case 19:
+ break;
+ case 23:
+ with_millisecond = true;
+ break;
+ case 25:
+ with_tz = true;
+ break;
+ case 29:
+ with_millisecond = with_tz = true;
+ break;
+ default:
+ throw TimeFormatError (s);
+ }
- if (!with_millisecond && !without_millisecond) {
+ int const tz_pos = with_millisecond ? 23 : 19;
+
+ /* Check incidental characters */
+ if (s[4] != '-' || s[7] != '-' || s[10] != 'T' || s[13] != ':' || s[16] != ':') {
+ throw TimeFormatError (s);
+ }
+ if (with_millisecond && s[19] != '.') {
+ throw TimeFormatError (s);
+ }
+ if (with_tz && s[tz_pos] != '+' && s[tz_pos] != '-') {
throw TimeFormatError (s);
}
_hour = lexical_cast<int> (s.substr (11, 2));
_minute = lexical_cast<int> (s.substr (14, 2));
_second = lexical_cast<int> (s.substr (17, 2));
- if (without_millisecond) {
- _millisecond = 0;
- _tz_hour = lexical_cast<int> (s.substr (20, 2));
- _tz_minute = lexical_cast<int> (s.substr (23, 2));
- } else {
- _millisecond = lexical_cast<int> (s.substr (20, 3));
- _tz_hour = lexical_cast<int> (s.substr (24, 2));
- _tz_minute = lexical_cast<int> (s.substr (27, 2));
- }
-
- int const plus_minus_position = with_millisecond ? 23 : 19;
+ _millisecond = with_millisecond ? lexical_cast<int> (s.substr (20, 3)) : 0;
+ _tz_hour = with_tz ? lexical_cast<int> (s.substr (tz_pos + 1, 2)) : 0;
+ _tz_minute = with_tz ? lexical_cast<int> (s.substr (tz_pos + 4, 2)) : 0;
- if (s[plus_minus_position] == '-') {
+ if (with_tz && s[tz_pos] == '-') {
_tz_hour = -_tz_hour;
- } else if (s[plus_minus_position] != '+') {
- throw TimeFormatError (s);
+ _tz_minute = -_tz_minute;
}
}
snprintf (
buffer, sizeof (buffer),
"%sT%s%s%02d:%02d",
- date().c_str(), time_of_day(with_millisecond).c_str(), (_tz_hour >= 0 ? "+" : "-"), abs (_tz_hour), _tz_minute
+ date().c_str(), time_of_day(true, with_millisecond).c_str(), (_tz_hour >= 0 ? "+" : "-"), abs (_tz_hour), abs(_tz_minute)
);
return buffer;
}
/** @return The time in the form HH:MM:SS or HH:MM:SS.mmm */
string
-LocalTime::time_of_day (bool with_millisecond) const
+LocalTime::time_of_day (bool with_second, bool with_millisecond) const
{
char buffer[32];
+ DCP_ASSERT(!(with_millisecond && !with_second));
if (with_millisecond) {
snprintf (buffer, sizeof (buffer), "%02d:%02d:%02d.%03d", _hour, _minute, _second, _millisecond);
- } else {
+ } else if (with_second) {
snprintf (buffer, sizeof (buffer), "%02d:%02d:%02d", _hour, _minute, _second);
+ } else {
+ snprintf (buffer, sizeof (buffer), "%02d:%02d", _hour, _minute);
}
return buffer;
}
_tz_hour == other._tz_hour && _tz_minute == other._tz_minute;
}
+bool
+LocalTime::operator< (LocalTime const & other) const
+{
+ if (_year != other._year) {
+ return _year < other._year;
+ }
+ if (_month != other._month) {
+ return _month < other._month;
+ }
+ if (_day != other._day) {
+ return _day < other._day;
+ }
+ if (_hour != other._hour) {
+ return _hour < other._hour;
+ }
+ if (_second != other._second) {
+ return _second < other._second;
+ }
+ return _millisecond < other._millisecond;
+}
+
bool
LocalTime::operator!= (LocalTime const & other) const
{
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