//
// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
//
-// This program 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 library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library 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, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
+// This library 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.
+// Library 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.
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the
+// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, USA.
//
// $Id$
#define RADHR(x) DEGHR(x*RAD_TO_DEG)
-SGTime::SGTime( const string& root )
+SGTime::SGTime( double lon, double lat, const string& root )
{
- FGPath zone( root );
- zone.append( "zone.tab" );
-
- FG_LOG( FG_EVENT, FG_DEBUG, "Reading timezone info from: " << zone.str() );
- tzContainer = new TimezoneContainer( zone.c_str() );
-
- zonename = NULL;
-}
-
+ FG_LOG( FG_EVENT, FG_INFO, "Initializing Time" );
-SGTime::~SGTime()
-{
- delete tzContainer;
+ gst_diff = -9999.0;
- if ( zonename != NULL ) {
- delete zonename;
+ cur_time = time(NULL);
+ // cout << "Current greenwich mean time = " << asctime(gmtime(&cur_time))
+ // << endl;
+ // cout << "Current local time = "
+ // << asctime(localtime(&cur_time)) << endl;
+
+ if ( root != "" ) {
+ FGPath zone( root );
+ zone.append( "zone.tab" );
+ FG_LOG( FG_EVENT, FG_DEBUG, "Reading timezone info from: "
+ << zone.str() );
+ tzContainer = new TimezoneContainer( zone.c_str() );
+
+ GeoCoord location( RAD_TO_DEG * lat, RAD_TO_DEG * lon );
+ GeoCoord* nearestTz = tzContainer->getNearest(location);
+
+ FGPath name( root );
+ name.append( nearestTz->getDescription() );
+ zonename = strdup( name.c_str() );
+ // cout << "Using zonename = " << zonename << endl;
+ } else {
+ tzContainer = NULL;
}
}
-// Initialize the time related variables
-void SGTime::init( double lon, double lat, const string& root )
-{
- FG_LOG( FG_EVENT, FG_INFO, "Initializing Time" );
- gst_diff = -9999.0;
-
- // time_t currGMT;
- // time_t systemLocalTime;
- // time_t aircraftLocalTime;
-
- // would it be better to put these sanity checks in the options
- // parsing code? (CLO)
-
- cur_time = time(NULL);
-
- // printf ("Current greenwich mean time = %24s", asctime(gmtime(&cur_time)));
- // printf ("Current local time = %24s", asctime(localtime(&cur_time)));
- // time_t tmp = cur_time;
- GeoCoord location( RAD_TO_DEG * lat, RAD_TO_DEG * lon );
+SGTime::SGTime( const string& root ) {
+ SGTime( 0.0, 0.0, root );
+}
- GeoCoord* nearestTz = tzContainer->getNearest(location);
- FGPath zone( root );
- zone.append( nearestTz->getDescription() );
+SGTime::SGTime() {
+ SGTime( 0.0, 0.0, "" );
+}
- // cout << "Using " << zone.str() << " for timezone information" << endl;
- zonename = strdup( zone.c_str() );
- // cout << "zonename = " << zonename << endl;
- //show( buffer.c_str(), cur_time, 1);
- //printf ("Current greenwich mean time = %24s", asctime(gmtime(&cur_time)));
- //printf ("Current local time = %24s", asctime(localtime(&cur_time)));
- // currGMT = get_gmt( gmtime(&cur_time) );
- // cout << "currGMT = " << currGMT << endl;
- // systemLocalTime = get_gmt( localtime(&cur_time) );
- // cout << "systemLocalTime = " << systemLocalTime << endl;
+SGTime::~SGTime()
+{
+ if ( tzContainer != NULL ) {
+ delete tzContainer;
+ }
- // aircraftLocalTime = get_gmt( fgLocaltime(&cur_time, zone.c_str()) );
- //printf ("Current greenwich mean time = %24s", asctime(gmtime(&cur_time)));
- //printf ("Current local time = %24s", asctime(localtime(&cur_time)));
+ if ( zonename != NULL ) {
+ delete zonename;
+ }
}