Add UTCOffset class.

[libdcp.git] / src / utc_offset.cc

diff --git a/src/utc_offset.cc b/src/utc_offset.cc
new file mode 100644 (file)
index 0000000..d9abcd6
--- /dev/null
+++ b/src/utc_offset.cc
@@ -0,0 +1,69 @@
+/*
+    Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
+
+    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.
+
+    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 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.
+*/
+
+
+#include "dcp_assert.h"
+#include "utc_offset.h"
+
+
+using namespace dcp;
+
+
+void
+UTCOffset::set_hour(int hour)
+{
+       DCP_ASSERT(hour >= -11 && hour <= 12);
+       _hour = hour;
+}
+
+
+void
+UTCOffset::set_minute(int minute)
+{
+       DCP_ASSERT(minute >= -30 && minute <= 30);
+       _minute = minute;
+}
+
+
+bool
+dcp::operator==(UTCOffset const& a, UTCOffset const& b)
+{
+       return a.hour() == b.hour() && a.minute() == b.minute();
+}
+
+
+bool
+dcp::operator!=(UTCOffset const& a, UTCOffset const& b)
+{
+       return a.hour() != b.hour() || a.minute() != b.minute();
+}