1 // options.cxx -- class to handle command line options
3 // Written by Curtis Olson, started April 1998.
5 // Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <simgear/compiler.h>
29 #include <simgear/structure/exception.hxx>
30 #include <simgear/debug/logstream.hxx>
32 #include <math.h> // rint()
34 #include <stdlib.h> // atof(), atoi()
35 #include <string.h> // strcmp()
42 #include <simgear/math/sg_random.h>
43 #include <simgear/misc/sgstream.hxx>
44 #include <simgear/misc/sg_path.hxx>
46 // #include <Include/general.hxx>
47 // #include <Airports/simple.hxx>
48 // #include <Cockpit/cockpit.hxx>
49 // #include <FDM/flight.hxx>
50 // #include <FDM/UIUCModel/uiuc_aircraftdir.h>
52 #include <Autopilot/route_mgr.hxx>
55 #include "globals.hxx"
56 #include "fg_init.hxx"
57 #include "fg_props.hxx"
58 #include "options.hxx"
60 #include "viewmgr.hxx"
65 SG_USING_NAMESPACE(std);
68 #define NEW_DEFAULT_MODEL_HZ 120
75 FG_OPTIONS_VERBOSE_HELP = 3,
76 FG_OPTIONS_SHOW_AIRCRAFT = 4
80 atof( const string& str )
84 // -dw- if ::atof is called, then we get an infinite loop
85 return std::atof( str.c_str() );
87 return ::atof( str.c_str() );
92 atoi( const string& str )
95 // -dw- if ::atoi is called, then we get an infinite loop
96 return std::atoi( str.c_str() );
98 return ::atoi( str.c_str() );
104 * Set a few fail-safe default property values.
106 * These should all be set in $FG_ROOT/preferences.xml, but just
107 * in case, we provide some initial sane values here. This method
108 * should be invoked *before* reading any init files.
113 // set a possibly independent location for scenery data
114 char *envp = ::getenv( "FG_SCENERY" );
116 if ( envp != NULL ) {
117 // fg_root could be anywhere, so default to environmental
118 // variable $FG_ROOT if it is set.
119 globals->set_fg_scenery(envp);
121 // Otherwise, default to Scenery being in $FG_ROOT/Scenery
122 globals->set_fg_scenery("");
124 // Position (deliberately out of range)
125 fgSetDouble("/position/longitude-deg", 9999.0);
126 fgSetDouble("/position/latitude-deg", 9999.0);
127 fgSetDouble("/position/altitude-ft", -9999.0);
130 fgSetDouble("/orientation/heading-deg", 270);
131 fgSetDouble("/orientation/roll-deg", 0);
132 fgSetDouble("/orientation/pitch-deg", 0.424);
135 fgSetDouble("/velocities/uBody-fps", 0.0);
136 fgSetDouble("/velocities/vBody-fps", 0.0);
137 fgSetDouble("/velocities/wBody-fps", 0.0);
138 fgSetDouble("/velocities/speed-north-fps", 0.0);
139 fgSetDouble("/velocities/speed-east-fps", 0.0);
140 fgSetDouble("/velocities/speed-down-fps", 0.0);
141 fgSetDouble("/velocities/airspeed-kt", 0.0);
142 fgSetDouble("/velocities/mach", 0.0);
145 fgSetDouble("/sim/presets/longitude-deg", 9999.0);
146 fgSetDouble("/sim/presets/latitude-deg", 9999.0);
147 fgSetDouble("/sim/presets/altitude-ft", -9999.0);
149 fgSetDouble("/sim/presets/heading-deg", 270);
150 fgSetDouble("/sim/presets/roll-deg", 0);
151 fgSetDouble("/sim/presets/pitch-deg", 0.424);
153 fgSetString("/sim/presets/speed-set", "knots");
154 fgSetDouble("/sim/presets/airspeed-kt", 0.0);
155 fgSetDouble("/sim/presets/mach", 0.0);
156 fgSetDouble("/sim/presets/uBody-fps", 0.0);
157 fgSetDouble("/sim/presets/vBody-fps", 0.0);
158 fgSetDouble("/sim/presets/wBody-fps", 0.0);
159 fgSetDouble("/sim/presets/speed-north-fps", 0.0);
160 fgSetDouble("/sim/presets/speed-east-fps", 0.0);
161 fgSetDouble("/sim/presets/speed-down-fps", 0.0);
163 fgSetBool("/sim/presets/onground", true);
164 fgSetBool("/sim/presets/trim", false);
167 fgSetBool("/sim/startup/game-mode", false);
168 fgSetBool("/sim/startup/splash-screen", true);
169 fgSetBool("/sim/startup/intro-music", true);
170 // we want mouse-pointer to have an undefined value if nothing is
171 // specified so we can do the right thing for voodoo-1/2 cards.
172 // fgSetString("/sim/startup/mouse-pointer", "disabled");
173 fgSetString("/sim/control-mode", "joystick");
174 fgSetBool("/sim/auto-coordination", false);
176 fgSetString("/sim/startup/browser-app", "netscape");
178 fgSetString("/sim/startup/browser-app", "webrun.bat");
180 fgSetString("/sim/logging/priority", "alert");
183 fgSetBool("/sim/hud/antialiased", false);
184 fgSetBool("/sim/hud/enable3d", true);
185 fgSetBool("/sim/hud/visibility", false);
186 fgSetBool("/sim/panel/visibility", true);
187 fgSetBool("/sim/sound/audible", true);
189 // Flight Model options
190 fgSetString("/sim/flight-model", "jsb");
191 fgSetString("/sim/aero", "c172");
192 fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
193 fgSetInt("/sim/speed-up", 1);
196 fgSetString("/sim/rendering/fog", "nicest");
197 fgSetBool("/environment/clouds/status", true);
198 fgSetBool("/sim/startup/fullscreen", false);
199 fgSetBool("/sim/rendering/shading", true);
200 fgSetBool("/sim/rendering/skyblend", true);
201 fgSetBool("/sim/rendering/textures", true);
202 fgSetBool("/sim/rendering/wireframe", false);
203 fgSetBool("/sim/rendering/horizon-effect", false);
204 fgSetBool("/sim/rendering/enhanced-lighting", false);
205 fgSetBool("/sim/rendering/distance-attenuation", false);
206 fgSetBool("/sim/rendering/specular-highlight", true);
207 fgSetInt("/sim/startup/xsize", 800);
208 fgSetInt("/sim/startup/ysize", 600);
209 fgSetInt("/sim/rendering/bits-per-pixel", 16);
210 fgSetString("/sim/view-mode", "pilot");
211 fgSetDouble("/sim/current-view/heading-offset-deg", 0);
214 fgSetString("/sim/startup/units", "feet");
215 fgSetString("/sim/hud/frame-stat-type", "tris");
218 fgSetInt("/sim/startup/time-offset", 0);
219 fgSetString("/sim/startup/time-offset-type", "system-offset");
220 fgSetLong("/sim/time/cur-time-override", 0);
223 fgSetBool("/sim/freeze/master", false);
224 fgSetBool("/sim/freeze/position", false);
225 fgSetBool("/sim/freeze/clock", false);
226 fgSetBool("/sim/freeze/fuel", false);
229 fgSetString("/sim/multiplay/callsign", "callsign");
230 fgSetString("/sim/multiplay/rxhost", "0");
231 fgSetString("/sim/multiplay/txhost", "0");
232 fgSetInt("/sim/multiplay/rxport", 0);
233 fgSetInt("/sim/multiplay/txport", 0);
239 parse_wind (const string &wind, double * min_hdg, double * max_hdg,
240 double * speed, double * gust)
242 string::size_type pos = wind.find('@');
243 if (pos == string::npos)
245 string dir = wind.substr(0, pos);
246 string spd = wind.substr(pos+1);
248 if (pos == string::npos) {
249 *min_hdg = *max_hdg = atof(dir.c_str());
251 *min_hdg = atof(dir.substr(0,pos).c_str());
252 *max_hdg = atof(dir.substr(pos+1).c_str());
255 if (pos == string::npos) {
256 *speed = *gust = atof(spd.c_str());
258 *speed = atof(spd.substr(0,pos).c_str());
259 *gust = atof(spd.substr(pos+1).c_str());
264 // parse a time string ([+/-]%f[:%f[:%f]]) into hours
266 parse_time(const string& time_in) {
267 char *time_str, num[256];
268 double hours, minutes, seconds;
273 time_str = (char *)time_in.c_str();
275 // printf("parse_time(): %s\n", time_str);
278 if ( strlen(time_str) ) {
279 if ( time_str[0] == '+' ) {
282 } else if ( time_str[0] == '-' ) {
287 // printf("sign = %d\n", sign);
290 if ( strlen(time_str) ) {
292 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
293 num[i] = time_str[0];
297 if ( time_str[0] == ':' ) {
302 // printf("hours = %.2lf\n", hours);
308 if ( strlen(time_str) ) {
310 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
311 num[i] = time_str[0];
315 if ( time_str[0] == ':' ) {
320 // printf("minutes = %.2lf\n", minutes);
322 result += minutes / 60.0;
326 if ( strlen(time_str) ) {
328 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
329 num[i] = time_str[0];
335 // printf("seconds = %.2lf\n", seconds);
337 result += seconds / 3600.0;
340 SG_LOG( SG_GENERAL, SG_INFO, " parse_time() = " << sign * result );
342 return(sign * result);
346 // parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds)
348 parse_date( const string& date)
351 char * date_str, num[256];
353 // initialize to zero
360 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
361 date_str = (char *)date.c_str();
363 if ( strlen(date_str) ) {
365 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
366 num[i] = date_str[0];
370 if ( date_str[0] == ':' ) {
374 gmt.tm_year = atoi(num) - 1900;
377 if ( strlen(date_str) ) {
379 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
380 num[i] = date_str[0];
384 if ( date_str[0] == ':' ) {
388 gmt.tm_mon = atoi(num) -1;
391 if ( strlen(date_str) ) {
393 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
394 num[i] = date_str[0];
398 if ( date_str[0] == ':' ) {
402 gmt.tm_mday = atoi(num);
405 if ( strlen(date_str) ) {
407 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
408 num[i] = date_str[0];
412 if ( date_str[0] == ':' ) {
416 gmt.tm_hour = atoi(num);
419 if ( strlen(date_str) ) {
421 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
422 num[i] = date_str[0];
426 if ( date_str[0] == ':' ) {
430 gmt.tm_min = atoi(num);
433 if ( strlen(date_str) ) {
435 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
436 num[i] = date_str[0];
440 if ( date_str[0] == ':' ) {
444 gmt.tm_sec = atoi(num);
446 time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
447 gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
448 //printf ("Date is %s\n", ctime(&theTime));
449 //printf ("in seconds that is %d\n", theTime);
455 // parse angle in the form of [+/-]ddd:mm:ss into degrees
457 parse_degree( const string& degree_str) {
458 double result = parse_time( degree_str );
460 // printf("Degree = %.4f\n", result);
466 // parse time offset string into seconds
468 parse_time_offset( const string& time_str) {
471 // printf("time offset = %s\n", time_str);
474 result = (int)rint(parse_time(time_str) * 3600.0);
476 result = (int)(parse_time(time_str) * 3600.0);
479 // printf("parse_time_offset(): %d\n", result);
485 // Parse --fov=x.xx type option
487 parse_fov( const string& arg ) {
488 double fov = atof(arg);
490 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
491 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
493 fgSetDouble("/sim/current-view/field-of-view", fov);
495 // printf("parse_fov(): result = %.4f\n", fov);
501 // Parse I/O channel option
503 // Format is "--protocol=medium,direction,hz,medium_options,..."
505 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
506 // medium = { serial, socket, file, etc. }
507 // direction = { in, out, bi }
508 // hz = number of times to process channel per second (floating
509 // point values are ok.
511 // Serial example "--nmea=serial,dir,hz,device,baud" where
513 // device = OS device name of serial line to be open()'ed
514 // baud = {300, 1200, 2400, ..., 230400}
516 // Socket exacmple "--native=socket,dir,hz,machine,port,style" where
518 // machine = machine name or ip address if client (leave empty if server)
519 // port = port, leave empty to let system choose
520 // style = tcp or udp
522 // File example "--garmin=file,dir,hz,filename" where
524 // filename = file system file name
527 add_channel( const string& type, const string& channel_str ) {
528 SG_LOG(SG_GENERAL, SG_INFO, "Channel string = " << channel_str );
530 globals->get_channel_options_list()->push_back( type + "," + channel_str );
532 // cout << "here" << endl;
538 // Parse --wp=ID[@alt]
540 parse_wp( const string& arg ) {
544 string::size_type pos = arg.find( "@" );
545 if ( pos != string::npos ) {
546 id = arg.substr( 0, pos );
547 alt_str = arg.substr( pos + 1 );
548 // cout << "id str = " << id << " alt str = " << alt_str << endl;
549 alt = atof( alt_str.c_str() );
550 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) {
551 alt *= SG_FEET_TO_METER;
558 if ( fgFindAirportID( id, &a ) ) {
559 FGRouteMgr *rm = (FGRouteMgr *)globals->get_subsystem("route-manager");
560 SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
561 rm->add_waypoint( wp );
570 // Parse --flight-plan=[file]
572 parse_flightplan(const string& arg)
574 sg_gzifstream in(arg.c_str());
575 if ( !in.is_open() ) {
581 #if defined( macintosh )
582 getline( in, line, '\r' );
584 getline( in, line, '\n' );
587 // catch extraneous (DOS) line ending character
588 if ( line[line.length() - 1] < 32 ) {
589 line = line.substr( 0, line.length()-1 );
602 fgOptLanguage( const char *arg )
604 globals->set_locale( fgInitLocale( arg ) );
605 return FG_OPTIONS_OK;
611 fgSetString("/sim/presets/airport-id", "");
612 fgSetString("/sim/presets/vor-id", "");
613 fgSetString("/sim/presets/ndb-id", "");
614 fgSetString("/sim/presets/fix", "");
618 fgOptVOR( const char * arg )
621 fgSetString("/sim/presets/vor-id", arg);
622 return FG_OPTIONS_OK;
626 fgOptNDB( const char * arg )
629 fgSetString("/sim/presets/ndb-id", arg);
630 return FG_OPTIONS_OK;
634 fgOptFIX( const char * arg )
637 fgSetString("/sim/presets/fix", arg);
638 return FG_OPTIONS_OK;
642 fgOptLon( const char *arg )
645 fgSetDouble("/sim/presets/longitude-deg", parse_degree( arg ));
646 fgSetDouble("/position/longitude-deg", parse_degree( arg ));
647 return FG_OPTIONS_OK;
651 fgOptLat( const char *arg )
654 fgSetDouble("/sim/presets/latitude-deg", parse_degree( arg ));
655 fgSetDouble("/position/latitude-deg", parse_degree( arg ));
656 return FG_OPTIONS_OK;
660 fgOptAltitude( const char *arg )
662 fgSetBool("/sim/presets/onground", false);
663 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
664 fgSetDouble("/sim/presets/altitude-ft", atof( arg ));
666 fgSetDouble("/sim/presets/altitude-ft",
667 atof( arg ) * SG_METER_TO_FEET);
668 return FG_OPTIONS_OK;
672 fgOptUBody( const char *arg )
674 fgSetString("/sim/presets/speed-set", "UVW");
675 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
676 fgSetDouble("/sim/presets/uBody-fps", atof( arg ));
678 fgSetDouble("/sim/presets/uBody-fps",
679 atof( arg ) * SG_METER_TO_FEET);
680 return FG_OPTIONS_OK;
684 fgOptVBody( const char *arg )
686 fgSetString("/sim/presets/speed-set", "UVW");
687 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
688 fgSetDouble("/sim/presets/vBody-fps", atof( arg ));
690 fgSetDouble("/sim/presets/vBody-fps",
691 atof( arg ) * SG_METER_TO_FEET);
692 return FG_OPTIONS_OK;
696 fgOptWBody( const char *arg )
698 fgSetString("/sim/presets/speed-set", "UVW");
699 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
700 fgSetDouble("/sim/presets/wBody-fps", atof(arg));
702 fgSetDouble("/sim/presets/wBody-fps",
703 atof(arg) * SG_METER_TO_FEET);
704 return FG_OPTIONS_OK;
708 fgOptVNorth( const char *arg )
710 fgSetString("/sim/presets/speed-set", "NED");
711 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
712 fgSetDouble("/sim/presets/speed-north-fps", atof( arg ));
714 fgSetDouble("/sim/presets/speed-north-fps",
715 atof( arg ) * SG_METER_TO_FEET);
716 return FG_OPTIONS_OK;
720 fgOptVEast( const char *arg )
722 fgSetString("/sim/presets/speed-set", "NED");
723 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
724 fgSetDouble("/sim/presets/speed-east-fps", atof(arg));
726 fgSetDouble("/sim/presets/speed-east-fps",
727 atof(arg) * SG_METER_TO_FEET);
728 return FG_OPTIONS_OK;
732 fgOptVDown( const char *arg )
734 fgSetString("/sim/presets/speed-set", "NED");
735 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
736 fgSetDouble("/sim/presets/speed-down-fps", atof(arg));
738 fgSetDouble("/sim/presets/speed-down-fps",
739 atof(arg) * SG_METER_TO_FEET);
740 return FG_OPTIONS_OK;
744 fgOptVc( const char *arg )
746 // fgSetString("/sim/presets/speed-set", "knots");
747 // fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
748 fgSetString("/sim/presets/speed-set", "knots");
749 fgSetDouble("/sim/presets/airspeed-kt", atof(arg));
750 return FG_OPTIONS_OK;
754 fgOptMach( const char *arg )
756 fgSetString("/sim/presets/speed-set", "mach");
757 fgSetDouble("/sim/presets/mach", atof(arg));
758 return FG_OPTIONS_OK;
762 fgOptRoc( const char *arg )
764 fgSetDouble("/velocities/vertical-speed-fps", atof(arg)/60);
765 return FG_OPTIONS_OK;
769 fgOptFgRoot( const char *arg )
771 globals->set_fg_root(arg);
772 return FG_OPTIONS_OK;
776 fgOptFgScenery( const char *arg )
778 globals->set_fg_scenery(arg);
779 return FG_OPTIONS_OK;
783 fgOptFov( const char *arg )
786 return FG_OPTIONS_OK;
790 fgOptGeometry( const char *arg )
792 bool geometry_ok = true;
793 int xsize = 0, ysize = 0;
794 string geometry = arg;
795 string::size_type i = geometry.find('x');
797 if (i != string::npos) {
798 xsize = atoi(geometry.substr(0, i));
799 ysize = atoi(geometry.substr(i+1));
804 if ( xsize <= 0 || ysize <= 0 ) {
810 if ( !geometry_ok ) {
811 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
812 SG_LOG( SG_GENERAL, SG_ALERT,
813 "Setting geometry to " << xsize << 'x' << ysize << '\n');
815 SG_LOG( SG_GENERAL, SG_INFO,
816 "Setting geometry to " << xsize << 'x' << ysize << '\n');
817 fgSetInt("/sim/startup/xsize", xsize);
818 fgSetInt("/sim/startup/ysize", ysize);
820 return FG_OPTIONS_OK;
824 fgOptBpp( const char *arg )
826 string bits_per_pix = arg;
827 if ( bits_per_pix == "16" ) {
828 fgSetInt("/sim/rendering/bits-per-pixel", 16);
829 } else if ( bits_per_pix == "24" ) {
830 fgSetInt("/sim/rendering/bits-per-pixel", 24);
831 } else if ( bits_per_pix == "32" ) {
832 fgSetInt("/sim/rendering/bits-per-pixel", 32);
834 SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
836 return FG_OPTIONS_OK;
840 fgOptTimeOffset( const char *arg )
842 fgSetInt("/sim/startup/time-offset",
843 parse_time_offset( arg ));
844 fgSetString("/sim/startup/time-offset-type", "system-offset");
845 return FG_OPTIONS_OK;
849 fgOptStartDateSys( const char *arg )
851 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
852 fgSetString("/sim/startup/time-offset-type", "system");
853 return FG_OPTIONS_OK;
857 fgOptStartDateLat( const char *arg )
859 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
860 fgSetString("/sim/startup/time-offset-type", "latitude");
861 return FG_OPTIONS_OK;
865 fgOptStartDateGmt( const char *arg )
867 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
868 fgSetString("/sim/startup/time-offset-type", "gmt");
869 return FG_OPTIONS_OK;
873 fgSetupProxy( const char *arg )
875 string options = arg;
876 string host, port, auth;
879 host = port = auth = "";
880 if ((pos = options.find("@")) != string::npos)
881 auth = options.substr(0, pos++);
885 host = options.substr(pos, options.size());
886 if ((pos = host.find(":")) != string::npos) {
887 port = host.substr(++pos, host.size());
888 host.erase(--pos, host.size());
891 fgSetString("/sim/presets/proxy/host", host.c_str());
892 fgSetString("/sim/presets/proxy/port", port.c_str());
893 fgSetString("/sim/presets/proxy/authentication", auth.c_str());
895 return FG_OPTIONS_OK;
899 fgOptTraceRead( const char *arg )
902 SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
903 fgGetNode(name.c_str(), true)
904 ->setAttribute(SGPropertyNode::TRACE_READ, true);
905 return FG_OPTIONS_OK;
909 fgOptLogLevel( const char *arg )
911 fgSetString("/sim/logging/classes", "all");
912 fgSetString("/sim/logging/priority", arg);
914 string priority = arg;
915 logbuf::set_log_classes(SG_ALL);
916 if (priority == "bulk") {
917 logbuf::set_log_priority(SG_BULK);
918 } else if (priority == "debug") {
919 logbuf::set_log_priority(SG_DEBUG);
920 } else if (priority == "info") {
921 logbuf::set_log_priority(SG_INFO);
922 } else if (priority == "warn") {
923 logbuf::set_log_priority(SG_WARN);
924 } else if (priority == "alert") {
925 logbuf::set_log_priority(SG_ALERT);
927 SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging priority " << priority);
929 SG_LOG(SG_GENERAL, SG_DEBUG, "Logging priority is " << priority);
931 return FG_OPTIONS_OK;
936 fgOptTraceWrite( const char *arg )
939 SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
940 fgGetNode(name.c_str(), true)
941 ->setAttribute(SGPropertyNode::TRACE_WRITE, true);
942 return FG_OPTIONS_OK;
946 fgOptViewOffset( const char *arg )
948 // $$$ begin - added VS Renganathan, 14 Oct 2K
949 // for multi-window outside window imagery
950 string woffset = arg;
951 double default_view_offset = 0.0;
952 if ( woffset == "LEFT" ) {
953 default_view_offset = SGD_PI * 0.25;
954 } else if ( woffset == "RIGHT" ) {
955 default_view_offset = SGD_PI * 1.75;
956 } else if ( woffset == "CENTER" ) {
957 default_view_offset = 0.00;
959 default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
961 /* apparently not used (CLO, 11 Jun 2002)
962 FGViewer *pilot_view =
963 (FGViewer *)globals->get_viewmgr()->get_view( 0 ); */
964 // this will work without calls to the viewer...
965 fgSetDouble( "/sim/current-view/heading-offset-deg",
966 default_view_offset * SGD_RADIANS_TO_DEGREES );
967 // $$$ end - added VS Renganathan, 14 Oct 2K
968 return FG_OPTIONS_OK;
972 fgOptVisibilityMeters( const char *arg )
974 double visibility = atof( arg );
975 fgDefaultWeatherValue("visibility-m", visibility);
976 return FG_OPTIONS_OK;
980 fgOptVisibilityMiles( const char *arg )
982 double visibility = atof( arg ) * 5280.0 * SG_FEET_TO_METER;
983 fgDefaultWeatherValue("visibility-m", visibility);
984 return FG_OPTIONS_OK;
988 fgOptRandomWind( const char *arg )
990 double min_hdg = sg_random() * 360.0;
991 double max_hdg = min_hdg + (20 - sqrt(sg_random() * 400));
992 double speed = sg_random() * sg_random() * 40;
993 double gust = speed + (10 - sqrt(sg_random() * 100));
994 fgSetupWind(min_hdg, max_hdg, speed, gust);
995 return FG_OPTIONS_OK;
999 fgOptWind( const char *arg )
1001 double min_hdg, max_hdg, speed, gust;
1002 if (!parse_wind( arg, &min_hdg, &max_hdg, &speed, &gust)) {
1003 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg );
1004 return FG_OPTIONS_ERROR;
1006 fgSetupWind(min_hdg, max_hdg, speed, gust);
1007 return FG_OPTIONS_OK;
1011 fgOptTurbulence( const char *arg )
1013 fgDefaultWeatherValue("turbulence/magnitude-norm", atof(arg));
1014 return FG_OPTIONS_OK;
1018 fgOptCeiling( const char *arg )
1020 double elevation, thickness;
1022 string::size_type pos = spec.find(':');
1023 if (pos == string::npos) {
1024 elevation = atof(spec.c_str());
1027 elevation = atof(spec.substr(0, pos).c_str());
1028 thickness = atof(spec.substr(pos + 1).c_str());
1030 fgSetDouble("/environment/clouds/layer[0]/elevation-ft", elevation);
1031 fgSetDouble("/environment/clouds/layer[0]/thickness-ft", thickness);
1032 fgSetString("/environment/clouds/layer[0]/coverage", "overcast");
1033 return FG_OPTIONS_OK;
1037 fgOptWp( const char *arg )
1040 return FG_OPTIONS_OK;
1044 fgOptFlightPlan( const char *arg )
1046 parse_flightplan ( arg );
1047 return FG_OPTIONS_OK;
1051 fgOptConfig( const char *arg )
1055 readProperties(file, globals->get_props());
1056 } catch (const sg_exception &e) {
1057 string message = "Error loading config file: ";
1058 message += e.getFormattedMessage();
1059 SG_LOG(SG_INPUT, SG_ALERT, message);
1062 return FG_OPTIONS_OK;
1066 parse_colon (const string &s, double * val1, double * val2)
1068 string::size_type pos = s.find(':');
1069 if (pos == string::npos) {
1073 *val1 = atof(s.substr(0, pos).c_str());
1074 *val2 = atof(s.substr(pos+1).c_str());
1081 fgOptFailure( const char * arg )
1085 fgSetBool("/systems/pitot/serviceable", false);
1086 } else if (a == "static") {
1087 fgSetBool("/systems/static/serviceable", false);
1088 } else if (a == "vacuum") {
1089 fgSetBool("/systems/vacuum/serviceable", false);
1090 } else if (a == "electrical") {
1091 fgSetBool("/systems/electrical/serviceable", false);
1093 SG_LOG(SG_INPUT, SG_ALERT, "Unknown failure mode: " << a);
1094 return FG_OPTIONS_ERROR;
1097 return FG_OPTIONS_OK;
1102 fgOptNAV1( const char * arg )
1104 double radial, freq;
1105 if (parse_colon(arg, &radial, &freq))
1106 fgSetDouble("/radios/nav[0]/radials/selected-deg", radial);
1107 fgSetDouble("/radios/nav[0]/frequencies/selected-mhz", freq);
1108 return FG_OPTIONS_OK;
1112 fgOptNAV2( const char * arg )
1114 double radial, freq;
1115 if (parse_colon(arg, &radial, &freq))
1116 fgSetDouble("/radios/nav[1]/radials/selected-deg", radial);
1117 fgSetDouble("/radios/nav[1]/frequencies/selected-mhz", freq);
1118 return FG_OPTIONS_OK;
1122 fgOptADF( const char * arg )
1125 if (parse_colon(arg, &rot, &freq))
1126 fgSetDouble("/instrumentation/adf/rotation-deg", rot);
1127 fgSetDouble("/instrumentation/adf/frequencies/selected-khz", freq);
1128 return FG_OPTIONS_OK;
1132 fgOptDME( const char *arg )
1135 if (opt == "nav1") {
1136 fgSetInt("/instrumentation/dme/switch-position", 1);
1137 fgSetString("/instrumentation/dme/frequencies/source",
1138 "/radios/nav[0]/frequencies/selected-mhz");
1139 } else if (opt == "nav2") {
1140 fgSetInt("/instrumentation/dme/switch-position", 3);
1141 fgSetString("/instrumentation/dme/frequencies/source",
1142 "/radios/nav[1]/frequencies/selected-mhz");
1144 fgSetInt("/instrumentation/dme/switch-position", 2);
1145 fgSetString("/instrumentation/dme/frequencies/source",
1146 "/instrumentation/dme/frequencies/selected-mhz");
1147 fgSetString("/instrumentation/dme/frequencies/selected-mhz", arg);
1149 return FG_OPTIONS_OK;
1152 static map<string,size_t> fgOptionMap;
1155 option has_param type property b_param s_param func
1158 option : name of the option
1159 has_param : option is --name=value if true or --name if false
1160 type : OPTION_BOOL - property is a boolean
1161 OPTION_STRING - property is a string
1162 OPTION_DOUBLE - property is a double
1163 OPTION_INT - property is an integer
1164 OPTION_CHANNEL - name of option is the name of a channel
1165 OPTION_FUNC - the option trigger a function
1166 b_param : if type==OPTION_BOOL,
1167 value set to the property (has_param is false for boolean)
1168 s_param : if type==OPTION_STRING,
1169 value set to the property if has_param is false
1170 func : function called if type==OPTION_FUNC. if has_param is true,
1171 the value is passed to the function as a string, otherwise,
1174 For OPTION_DOUBLE and OPTION_INT, the parameter value is converted into a
1175 double or an integer and set to the property.
1177 For OPTION_CHANNEL, add_channel is called with the parameter value as the
1181 enum OptionType { OPTION_BOOL, OPTION_STRING, OPTION_DOUBLE, OPTION_INT, OPTION_CHANNEL, OPTION_FUNC };
1185 enum OptionType type;
1189 int (*func)( const char * );
1190 } fgOptionArray[] = {
1192 {"language", true, OPTION_FUNC, "", false, "", fgOptLanguage },
1193 {"disable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", false, "", 0 },
1194 {"enable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", true, "", 0 },
1195 {"disable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", false, "", 0 },
1196 {"enable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", true, "", 0 },
1197 {"disable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", false, "", 0 },
1198 {"enable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", true, "", 0 },
1199 {"disable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "disabled", 0 },
1200 {"enable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "enabled", 0 },
1201 {"disable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", false, "", 0 },
1202 {"enable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", true, "", 0 },
1203 {"disable-freeze", false, OPTION_BOOL, "/sim/freeze/master", false, "", 0 },
1204 {"enable-freeze", false, OPTION_BOOL, "/sim/freeze/master", true, "", 0 },
1205 {"disable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", false, "", 0 },
1206 {"enable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", true, "", 0 },
1207 {"disable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", false, "", 0 },
1208 {"enable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", true, "", 0 },
1209 {"disable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", false, "", 0 },
1210 {"enable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", true, "", 0 },
1211 {"disable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", false, "", 0 },
1212 {"enable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", true, "", 0 },
1213 {"control", true, OPTION_STRING, "/sim/control-mode", false, "", 0 },
1214 {"disable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", false, "", 0 },
1215 {"enable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", true, "", 0 },
1216 {"browser-app", true, OPTION_STRING, "/sim/startup/browser-app", false, "", 0 },
1217 {"disable-hud", false, OPTION_BOOL, "/sim/hud/visibility", false, "", 0 },
1218 {"enable-hud", false, OPTION_BOOL, "/sim/hud/visibility", true, "", 0 },
1219 {"disable-panel", false, OPTION_BOOL, "/sim/panel/visibility", false, "", 0 },
1220 {"enable-panel", false, OPTION_BOOL, "/sim/panel/visibility", true, "", 0 },
1221 {"disable-sound", false, OPTION_BOOL, "/sim/sound/audible", false, "", 0 },
1222 {"enable-sound", false, OPTION_BOOL, "/sim/sound/audible", true, "", 0 },
1223 {"airport", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1224 {"airport-id", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1225 {"runway", true, OPTION_STRING, "/sim/presets/runway", false, "", 0 },
1226 {"vor", true, OPTION_FUNC, "", false, "", fgOptVOR },
1227 {"ndb", true, OPTION_FUNC, "", false, "", fgOptNDB },
1228 {"fix", true, OPTION_FUNC, "", false, "", fgOptFIX },
1229 {"offset-distance", true, OPTION_DOUBLE, "/sim/presets/offset-distance", false, "", 0 },
1230 {"offset-azimuth", true, OPTION_DOUBLE, "/sim/presets/offset-azimuth", false, "", 0 },
1231 {"lon", true, OPTION_FUNC, "", false, "", fgOptLon },
1232 {"lat", true, OPTION_FUNC, "", false, "", fgOptLat },
1233 {"altitude", true, OPTION_FUNC, "", false, "", fgOptAltitude },
1234 {"uBody", true, OPTION_FUNC, "", false, "", fgOptUBody },
1235 {"vBody", true, OPTION_FUNC, "", false, "", fgOptVBody },
1236 {"wBody", true, OPTION_FUNC, "", false, "", fgOptWBody },
1237 {"vNorth", true, OPTION_FUNC, "", false, "", fgOptVNorth },
1238 {"vEast", true, OPTION_FUNC, "", false, "", fgOptVEast },
1239 {"vDown", true, OPTION_FUNC, "", false, "", fgOptVDown },
1240 {"vc", true, OPTION_FUNC, "", false, "", fgOptVc },
1241 {"mach", true, OPTION_FUNC, "", false, "", fgOptMach },
1242 {"heading", true, OPTION_DOUBLE, "/sim/presets/heading-deg", false, "", 0 },
1243 {"roll", true, OPTION_DOUBLE, "/sim/presets/roll-deg", false, "", 0 },
1244 {"pitch", true, OPTION_DOUBLE, "/sim/presets/pitch-deg", false, "", 0 },
1245 {"glideslope", true, OPTION_DOUBLE, "/sim/presets/glideslope-deg", false, "", 0 },
1246 {"roc", true, OPTION_FUNC, "", false, "", fgOptRoc },
1247 {"fg-root", true, OPTION_FUNC, "", false, "", fgOptFgRoot },
1248 {"fg-scenery", true, OPTION_FUNC, "", false, "", fgOptFgScenery },
1249 {"fdm", true, OPTION_STRING, "/sim/flight-model", false, "", 0 },
1250 {"aero", true, OPTION_STRING, "/sim/aero", false, "", 0 },
1251 {"aircraft-dir", true, OPTION_STRING, "/sim/aircraft-dir", false, "", 0 },
1252 {"model-hz", true, OPTION_INT, "/sim/model-hz", false, "", 0 },
1253 {"speed", true, OPTION_INT, "/sim/speed-up", false, "", 0 },
1254 {"trim", false, OPTION_BOOL, "/sim/presets/trim", true, "", 0 },
1255 {"notrim", false, OPTION_BOOL, "/sim/presets/trim", false, "", 0 },
1256 {"on-ground", false, OPTION_BOOL, "/sim/presets/onground", true, "", 0 },
1257 {"in-air", false, OPTION_BOOL, "/sim/presets/onground", false, "", 0 },
1258 {"fog-disable", false, OPTION_STRING, "/sim/rendering/fog", false, "disabled", 0 },
1259 {"fog-fastest", false, OPTION_STRING, "/sim/rendering/fog", false, "fastest", 0 },
1260 {"fog-nicest", false, OPTION_STRING, "/sim/rendering/fog", false, "nicest", 0 },
1261 {"disable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", false, "", 0 },
1262 {"enable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", true, "", 0 },
1263 {"disable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", false, "", 0 },
1264 {"enable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", true, "", 0 },
1265 {"disable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", false, "", 0 },
1266 {"enable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", true, "", 0 },
1267 {"disable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", false, "", 0 },
1268 {"enable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", true, "", 0 },
1269 {"disable-clouds", false, OPTION_BOOL, "/environment/clouds/status", false, "", 0 },
1270 {"enable-clouds", false, OPTION_BOOL, "/environment/clouds/status", true, "", 0 },
1271 #ifdef FG_USE_CLOUDS_3D
1272 {"disable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", false, "", 0 },
1273 {"enable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", true, "", 0 },
1275 {"fov", true, OPTION_FUNC, "", false, "", fgOptFov },
1276 {"disable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", false, "", 0 },
1277 {"enable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", true, "", 0 },
1278 {"shading-flat", false, OPTION_BOOL, "/sim/rendering/shading", false, "", 0 },
1279 {"shading-smooth", false, OPTION_BOOL, "/sim/rendering/shading", true, "", 0 },
1280 {"disable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", false, "", 0 },
1281 {"enable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", true, "", 0 },
1282 {"disable-textures", false, OPTION_BOOL, "/sim/rendering/textures", false, "", 0 },
1283 {"enable-textures", false, OPTION_BOOL, "/sim/rendering/textures", true, "", 0 },
1284 {"disable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", false, "", 0 },
1285 {"enable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", true, "", 0 },
1286 {"geometry", true, OPTION_FUNC, "", false, "", fgOptGeometry },
1287 {"bpp", true, OPTION_FUNC, "", false, "", fgOptBpp },
1288 {"units-feet", false, OPTION_STRING, "/sim/startup/units", false, "feet", 0 },
1289 {"units-meters", false, OPTION_STRING, "/sim/startup/units", false, "meters", 0 },
1290 {"timeofday", true, OPTION_STRING, "/sim/startup/time-offset-type", false, "noon", 0 },
1291 {"time-offset", true, OPTION_FUNC, "", false, "", fgOptTimeOffset },
1292 {"time-match-real", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "system-offset", 0 },
1293 {"time-match-local", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "latitude-offset", 0 },
1294 {"start-date-sys", true, OPTION_FUNC, "", false, "", fgOptStartDateSys },
1295 {"start-date-lat", true, OPTION_FUNC, "", false, "", fgOptStartDateLat },
1296 {"start-date-gmt", true, OPTION_FUNC, "", false, "", fgOptStartDateGmt },
1297 {"hud-tris", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "tris", 0 },
1298 {"hud-culled", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "culled", 0 },
1299 {"atc610x", true, OPTION_CHANNEL, "", false, "dummy", 0 },
1300 {"atlas", true, OPTION_CHANNEL, "", false, "", 0 },
1301 {"httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1302 #ifdef FG_JPEG_SERVER
1303 {"jpg-httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1305 {"native", true, OPTION_CHANNEL, "", false, "", 0 },
1306 {"native-ctrls", true, OPTION_CHANNEL, "", false, "", 0 },
1307 {"native-fdm", true, OPTION_CHANNEL, "", false, "", 0 },
1308 {"native-gui", true, OPTION_CHANNEL, "", false, "", 0 },
1309 {"opengc", true, OPTION_CHANNEL, "", false, "", 0 },
1310 {"garmin", true, OPTION_CHANNEL, "", false, "", 0 },
1311 {"nmea", true, OPTION_CHANNEL, "", false, "", 0 },
1312 {"generic", true, OPTION_CHANNEL, "", false, "", 0 },
1313 {"props", true, OPTION_CHANNEL, "", false, "", 0 },
1314 {"telnet", true, OPTION_CHANNEL, "", false, "", 0 },
1315 {"pve", true, OPTION_CHANNEL, "", false, "", 0 },
1316 {"ray", true, OPTION_CHANNEL, "", false, "", 0 },
1317 {"rul", true, OPTION_CHANNEL, "", false, "", 0 },
1318 {"joyclient", true, OPTION_CHANNEL, "", false, "", 0 },
1319 {"jsclient", true, OPTION_CHANNEL, "", false, "", 0 },
1320 {"proxy", true, OPTION_FUNC, "", false, "", fgSetupProxy },
1321 #ifdef FG_MPLAYER_AS
1322 {"callsign", true, OPTION_STRING, "sim/multiplay/callsign", false, "", 0 },
1323 {"multiplay", true, OPTION_CHANNEL, "", false, "", 0 },
1325 {"trace-read", true, OPTION_FUNC, "", false, "", fgOptTraceRead },
1326 {"trace-write", true, OPTION_FUNC, "", false, "", fgOptTraceWrite },
1327 {"log-level", true, OPTION_FUNC, "", false, "", fgOptLogLevel },
1328 {"view-offset", true, OPTION_FUNC, "", false, "", fgOptViewOffset },
1329 {"visibility", true, OPTION_FUNC, "", false, "", fgOptVisibilityMeters },
1330 {"visibility-miles", true, OPTION_FUNC, "", false, "", fgOptVisibilityMiles },
1331 {"random-wind", false, OPTION_FUNC, "", false, "", fgOptRandomWind },
1332 {"wind", true, OPTION_FUNC, "", false, "", fgOptWind },
1333 {"turbulence", true, OPTION_FUNC, "", false, "", fgOptTurbulence },
1334 {"ceiling", true, OPTION_FUNC, "", false, "", fgOptCeiling },
1335 {"wp", true, OPTION_FUNC, "", false, "", fgOptWp },
1336 {"flight-plan", true, OPTION_FUNC, "", false, "", fgOptFlightPlan },
1337 {"config", true, OPTION_FUNC, "", false, "", fgOptConfig },
1338 {"aircraft", true, OPTION_STRING, "/sim/aircraft", false, "", 0 },
1339 {"failure", true, OPTION_FUNC, "", false, "", fgOptFailure },
1340 {"com1", true, OPTION_DOUBLE, "/radios/comm[0]/frequencies/selected-mhz", false, "", 0 },
1341 {"com2", true, OPTION_DOUBLE, "/radios/comm[1]/frequencies/selected-mhz", false, "", 0 },
1342 {"nav1", true, OPTION_FUNC, "", false, "", fgOptNAV1 },
1343 {"nav2", true, OPTION_FUNC, "", false, "", fgOptNAV2 },
1344 {"adf", true, OPTION_FUNC, "", false, "", fgOptADF },
1345 {"dme", true, OPTION_FUNC, "", false, "", fgOptDME },
1350 // Parse a single option
1352 parse_option (const string& arg)
1354 if ( fgOptionMap.size() == 0 ) {
1356 OptionDesc *pt = &fgOptionArray[ 0 ];
1357 while ( pt->option != 0 ) {
1358 fgOptionMap[ pt->option ] = i;
1365 if ( (arg == "--help") || (arg == "-h") ) {
1366 // help/usage request
1367 return(FG_OPTIONS_HELP);
1368 } else if ( (arg == "--verbose") || (arg == "-v") ) {
1369 // verbose help/usage request
1370 return(FG_OPTIONS_VERBOSE_HELP);
1371 } else if ( arg.find( "--show-aircraft") == 0) {
1372 return(FG_OPTIONS_SHOW_AIRCRAFT);
1373 } else if ( arg.find( "--prop:" ) == 0 ) {
1374 string assign = arg.substr(7);
1375 string::size_type pos = assign.find('=');
1376 if ( pos == arg.npos || pos == 0 ) {
1377 SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
1378 return FG_OPTIONS_ERROR;
1380 string name = assign.substr(0, pos);
1381 string value = assign.substr(pos + 1);
1382 fgSetString(name.c_str(), value.c_str());
1383 // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
1384 // << name << " to \"" << value << '"');
1385 } else if ( arg.find( "--" ) == 0 ) {
1386 size_t pos = arg.find( '=' );
1388 if ( pos == string::npos ) {
1389 arg_name = arg.substr( 2 );
1391 arg_name = arg.substr( 2, pos - 2 );
1393 map<string,size_t>::iterator it = fgOptionMap.find( arg_name );
1394 if ( it != fgOptionMap.end() ) {
1395 OptionDesc *pt = &fgOptionArray[ it->second ];
1396 switch ( pt->type ) {
1398 fgSetBool( pt->property, pt->b_param );
1401 if ( pt->has_param && pos != string::npos ) {
1402 fgSetString( pt->property, arg.substr( pos + 1 ).c_str() );
1403 } else if ( !pt->has_param && pos == string::npos ) {
1404 fgSetString( pt->property, pt->s_param );
1405 } else if ( pt->has_param ) {
1406 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1407 return FG_OPTIONS_ERROR;
1409 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1410 return FG_OPTIONS_ERROR;
1414 if ( pos != string::npos ) {
1415 fgSetDouble( pt->property, atof( arg.substr( pos + 1 ) ) );
1417 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1418 return FG_OPTIONS_ERROR;
1422 if ( pos != string::npos ) {
1423 fgSetInt( pt->property, atoi( arg.substr( pos + 1 ) ) );
1425 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1426 return FG_OPTIONS_ERROR;
1429 case OPTION_CHANNEL:
1430 if ( pt->has_param && pos != string::npos ) {
1431 add_channel( pt->option, arg.substr( pos + 1 ) );
1432 } else if ( !pt->has_param && pos == string::npos ) {
1433 add_channel( pt->option, pt->s_param );
1434 } else if ( pt->has_param ) {
1435 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1436 return FG_OPTIONS_ERROR;
1438 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1439 return FG_OPTIONS_ERROR;
1443 if ( pt->has_param && pos != string::npos ) {
1444 return pt->func( arg.substr( pos + 1 ).c_str() );
1445 } else if ( !pt->has_param && pos == string::npos ) {
1446 return pt->func( 0 );
1447 } else if ( pt->has_param ) {
1448 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1449 return FG_OPTIONS_ERROR;
1451 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1452 return FG_OPTIONS_ERROR;
1457 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1458 return FG_OPTIONS_ERROR;
1461 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1462 return FG_OPTIONS_ERROR;
1465 return FG_OPTIONS_OK;
1469 // Parse the command line options
1471 fgParseArgs (int argc, char **argv)
1473 bool in_options = true;
1474 bool verbose = false;
1477 SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
1479 for (int i = 1; i < argc; i++) {
1480 string arg = argv[i];
1482 if (in_options && (arg.find('-') == 0)) {
1486 int result = parse_option(arg);
1487 if ((result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR))
1490 else if (result == FG_OPTIONS_VERBOSE_HELP)
1493 else if (result == FG_OPTIONS_SHOW_AIRCRAFT) {
1494 fgOptLogLevel( "alert" );
1495 SGPath path( globals->get_fg_root() );
1496 path.append("Aircraft");
1497 fgShowAircraft(path, true);
1503 SG_LOG(SG_GENERAL, SG_INFO,
1504 "Reading command-line property file " << arg);
1505 readProperties(arg, globals->get_props());
1510 fgOptLogLevel( "alert" );
1515 SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
1519 // Parse config file options
1521 fgParseOptions (const string& path) {
1522 sg_gzifstream in( path );
1523 if ( !in.is_open() ) {
1527 SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
1531 while ( ! in.eof() ) {
1534 while ( in.get(c) && c != '\0' ) {
1539 #if defined( macintosh )
1540 getline( in, line, '\r' );
1542 getline( in, line, '\n' );
1545 // catch extraneous (DOS) line ending character
1546 if ( line[line.length() - 1] < 32 ) {
1547 line = line.substr( 0, line.length()-1 );
1550 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
1551 cerr << endl << "Config file parse error: " << path << " '"
1552 << line << "'" << endl;
1561 // Print usage message
1563 fgUsage (bool verbose)
1565 SGPropertyNode *locale = globals->get_locale();
1567 SGPropertyNode options_root;
1572 fgLoadProps("options.xml", &options_root);
1573 } catch (const sg_exception &ex) {
1574 cout << "Unable to read the help file." << endl;
1575 cout << "Make sure the file options.xml is located in the FlightGear base directory," << endl;
1576 cout << "and the location of the base directory is specified by setting $FG_ROOT or" << endl;
1577 cout << "by adding --fg-root=path as a program argument." << endl;
1582 SGPropertyNode *options = options_root.getNode("options");
1584 SG_LOG( SG_GENERAL, SG_ALERT,
1585 "Error reading options.xml: <options> directive not found." );
1589 SGPropertyNode *usage = locale->getNode(options->getStringValue("usage"));
1591 cout << "Usage: " << usage->getStringValue() << endl;
1594 vector<SGPropertyNode_ptr>section = options->getChildren("section");
1595 for (unsigned int j = 0; j < section.size(); j++) {
1598 vector<SGPropertyNode_ptr>option = section[j]->getChildren("option");
1599 for (unsigned int k = 0; k < option.size(); k++) {
1601 SGPropertyNode *name = option[k]->getNode("name");
1602 SGPropertyNode *short_name = option[k]->getNode("short");
1603 SGPropertyNode *key = option[k]->getNode("key");
1604 SGPropertyNode *arg = option[k]->getNode("arg");
1605 bool brief = option[k]->getNode("brief");
1607 if ((brief || verbose) && name) {
1608 string tmp = name->getStringValue();
1612 tmp.append(key->getStringValue());
1616 tmp.append(arg->getStringValue());
1620 tmp.append(short_name->getStringValue());
1624 if (tmp.size() <= 25) {
1625 snprintf(cstr, 96, " --%-27s", tmp.c_str());
1627 snprintf(cstr, 96, "\n --%s\n%32c", tmp.c_str(), ' ');
1630 // There may be more than one <description> tag assosiated
1634 vector<SGPropertyNode_ptr>desc =
1635 option[k]->getChildren("description");
1637 if (desc.size() > 0) {
1638 for ( unsigned int l = 0; l < desc.size(); l++) {
1640 // There may be more than one translation line.
1642 string t = desc[l]->getStringValue();
1643 SGPropertyNode *n = locale->getNode("strings");
1644 vector<SGPropertyNode_ptr>trans_desc =
1645 n->getChildren(t.substr(8).c_str());
1647 for ( unsigned int m = 0; m < trans_desc.size(); m++ ) {
1648 string t_str = trans_desc[m]->getStringValue();
1650 if ((m > 0) || ((l > 0) && m == 0)) {
1651 snprintf(cstr, 96, "%32c", ' ');
1656 // If the string is too large to fit on the screen,
1657 // then split it up in several pieces.
1659 while ( t_str.size() > 47 ) {
1661 unsigned int m = t_str.rfind(' ', 47);
1662 msg += t_str.substr(0, m);
1663 snprintf(cstr, 96, "\n%32c", ' ');
1666 t_str.erase(t_str.begin(), t_str.begin() + m + 1);
1668 msg += t_str + '\n';
1675 SGPropertyNode *name =
1676 locale->getNode(section[j]->getStringValue("name"));
1678 if (!msg.empty() && name) {
1679 cout << endl << name->getStringValue() << ":" << endl;
1687 cout << "For a complete list of options use --help --verbose" << endl;
1691 static void fgSearchAircraft(const SGPath &path, string_list &aircraft,
1695 ulDir *dirp = ulOpenDir(path.str().c_str());
1697 cerr << "Unable to open aircraft directory." << endl;
1701 while ((dire = ulReadDir(dirp)) != NULL) {
1704 if (dire->d_isdir) {
1705 if (recursive && strcmp("CVS", dire->d_name)
1706 && strcmp(".", dire->d_name) && strcmp("..", dire->d_name))
1709 next.append(dire->d_name);
1711 fgSearchAircraft(next, aircraft, true);
1713 } else if ((ptr = strstr(dire->d_name, "-set.xml")) && (ptr[8] == '\0')) {
1715 SGPath afile = path;
1716 afile.append(dire->d_name);
1720 SGPropertyNode root;
1722 readProperties(afile.str(), &root);
1727 SGPropertyNode *desc = NULL;
1728 SGPropertyNode *node = root.getNode("sim");
1730 desc = node->getNode("description");
1734 if (strlen(dire->d_name) <= 27) {
1735 snprintf(cstr, 96, " %-27s %s", dire->d_name,
1736 (desc) ? desc->getStringValue() : "" );
1739 snprintf(cstr, 96, " %-27s\n%32c%s", dire->d_name, ' ',
1740 (desc) ? desc->getStringValue() : "" );
1743 aircraft.push_back(cstr);
1752 * Search in the current directory, and in on directory deeper
1753 * for <aircraft>-set.xml configuration files and show the aircaft name
1754 * and the contents of the<description> tag in a sorted manner.
1756 * @parampath the directory to search for configuration files
1757 * @param recursive defines whether the directory should be searched recursively
1759 void fgShowAircraft(const SGPath &path, bool recursive) {
1760 string_list aircraft;
1762 fgSearchAircraft( path, aircraft, recursive );
1764 sort(aircraft.begin(), aircraft.end());
1765 SG_LOG( SG_GENERAL, SG_ALERT, "Available aircraft:" );
1766 for ( unsigned int i = 0; i < aircraft.size(); i++ ) {
1767 SG_LOG( SG_GENERAL, SG_ALERT, aircraft[i] );
1770 SG_LOG( SG_GENERAL, SG_ALERT, "Hit a key to continue..." );