// util.cxx - general-purpose utility functions.
-// Copyright (C) 2002 Curtis L. Olson - curt@me.umn.edu
+// Copyright (C) 2002 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// 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.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
#include <simgear/compiler.h>
#include <math.h>
+#include <cstdlib>
+
#include <vector>
-SG_USING_STD(vector);
#include <simgear/debug/logstream.hxx>
+#include <simgear/math/SGLimits.hxx>
+#include <simgear/math/SGMisc.hxx>
#include "fg_io.hxx"
#include "fg_props.hxx"
#include "globals.hxx"
#include "util.hxx"
+#ifdef OSG_LIBRARY_STATIC
+#include "osgDB/Registry"
+#endif
-void
-fgDefaultWeatherValue (const char * propname, double value)
-{
- unsigned int i;
-
- SGPropertyNode * branch = fgGetNode("/environment/config/boundary", true);
- vector<SGPropertyNode_ptr> entries = branch->getChildren("entry");
- for (i = 0; i < entries.size(); i++) {
- entries[i]->setDoubleValue(propname, value);
- }
-
- branch = fgGetNode("/environment/config/aloft", true);
- entries = branch->getChildren("entry");
- for (i = 0; i < entries.size(); i++) {
- entries[i]->setDoubleValue(propname, value);
- }
-}
-
-
-void
-fgExit (int status)
-{
- SG_LOG(SG_GENERAL, SG_INFO, "Exiting FlightGear with status " << status);
-
- globals->get_io()->shutdown_all();
- exit(status);
-}
-
+using std::vector;
// Originally written by Alex Perry.
double
fgGetLowPass (double current, double target, double timeratio)
{
if ( timeratio < 0.0 ) {
- if ( timeratio < -1.0 ) {
+ if ( timeratio < -1.0 ) {
// time went backwards; kill the filter
current = target;
} else {
return current;
}
+// Write out path to validation node and read it back in. A Nasal
+// listener is supposed to replace the path with a validated version
+// or an empty string otherwise.
+const char *fgValidatePath (const char *str, bool write)
+{
+ SGPropertyNode_ptr r, w;
+ r = fgGetNode("/sim/paths/validate/read", true);
+ r->setAttribute(SGPropertyNode::READ, true);
+ r->setAttribute(SGPropertyNode::WRITE, true);
+
+ w = fgGetNode("/sim/paths/validate/write", true);
+ w->setAttribute(SGPropertyNode::READ, true);
+ w->setAttribute(SGPropertyNode::WRITE, true);
+
+ SGPropertyNode *prop = write ? w : r;
+ prop->setStringValue(str);
+ const char *result = prop->getStringValue();
+ return result[0] ? result : 0;
+}
+
+//------------------------------------------------------------------------------
+std::string fgValidatePath(const std::string& path, bool write)
+{
+ const char* validate_path = fgValidatePath(path.c_str(), write);
+ return std::string(validate_path ? validate_path : "");
+}
+
// end of util.cxx