2 Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 libdcp is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
35 /** @file src/local_time.h
36 * @brief LocalTime class
40 #ifndef LIBDCP_LOCAL_TIME_H
41 #define LIBDCP_LOCAL_TIME_H
44 #include "utc_offset.h"
45 #include <boost/date_time/posix_time/posix_time.hpp>
49 struct local_time_basic_test;
56 * @brief A representation of a local time (down to the second), including its offset
57 * from GMT (equivalent to xs:dateTime).
59 * I tried to use boost for this, really I did, but I could not get it
60 * to parse strings of the required format (those that include time zones).
62 * See http://www.w3.org/TR/xmlschema-2/#dateTime
67 /** Construct a LocalTime from the current time */
70 explicit LocalTime (struct tm tm);
72 /** Construct a LocalTime from a boost::posix_time::ptime using the local
75 explicit LocalTime (boost::posix_time::ptime);
77 /** Construct a LocalTime from a boost::posix_time::ptime and a time zone offset */
78 LocalTime(boost::posix_time::ptime, UTCOffset offset);
80 /** @param s A string of the form 2013-01-05T18:06:59[.123][+04:00] */
81 explicit LocalTime (std::string s);
83 LocalTime(int year, int month, int day, int hour, int minute, UTCOffset offset)
92 /** @return A string of the form 2013-01-05T18:06:59+04:00 or 2013-01-05T18:06:59.123+04:00 */
93 std::string as_string (bool with_millisecond = false) const;
95 /** @return The date in the form YYYY-MM-DD */
96 std::string date () const;
98 /** @return The time in the form HH:MM:SS or HH:MM:SS.mmm */
99 std::string time_of_day (bool with_second, bool with_millisecond) const;
117 int minute () const {
121 int second () const {
125 void set_year (int y) {
129 void add_days (int d);
130 void add_months (int a);
131 void add_minutes (int a);
133 void add(boost::posix_time::time_duration duration);
135 static LocalTime from_asn1_utc_time (std::string time);
136 static LocalTime from_asn1_generalized_time (std::string time);
138 bool operator== (LocalTime const & other) const;
139 bool operator!= (LocalTime const & other) const;
140 bool operator< (LocalTime const & other) const;
143 friend struct ::local_time_basic_test;
145 void set (struct tm const * tm);
146 void set (boost::posix_time::ptime);
147 void set_local_time_zone ();
150 int _year = 0; ///< year
151 int _month = 0; ///< month number of the year (1-12)
152 int _day = 0; ///< day number of the month (1-31)
153 int _hour = 0; ///< hour number of the day (0-23)
154 int _minute = 0; ///< minute number of the hour (0-59)
155 int _second = 0; ///< second number of the minute (0-59)
156 int _millisecond = 0; ///< millisecond number of the second (0-999)
163 operator<< (std::ostream& s, LocalTime const & t);