flightgear/utils/fgpanel/ApplicationProperties.cxx
2022-10-20 20:29:11 +08:00

76 lines
2.0 KiB
C++

//
// Written and (c) Torsten Dreyer - Torsten(at)t3r_dot_de
//
// 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 program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
#ifdef _WIN32
# include <direct.h> // for getcwd()
#else // !_WIN32
# include <unistd.h>
#endif
#include "ApplicationProperties.hxx"
double
ApplicationProperties::getDouble (const char *name, const double def) {
const SGPropertyNode_ptr n (ApplicationProperties::Properties->getNode (name, false));
if (n == NULL) {
return def;
}
return n->getDoubleValue ();
}
SGPath
ApplicationProperties::GetCwd () {
SGPath path (".");
char buf[512];
char *cwd (getcwd (buf, 511));
buf[511] = '\0';
if (cwd) {
path = SGPath::fromLocal8Bit (cwd);
}
return path;
}
SGPath
ApplicationProperties::GetRootPath (const char *sub) {
if (sub != NULL) {
const SGPath subpath (sub);
// relative path to current working dir?
if (subpath.isRelative ()) {
SGPath path (GetCwd ());
path.append (sub);
if (path.exists ()) {
return path;
}
} else if (subpath.exists ()) {
// absolute path
return subpath;
}
}
// default: relative path to FGROOT
SGPath path (ApplicationProperties::root);
if (sub != NULL) {
path.append (sub);
}
return path;
}
string ApplicationProperties::root = ".";
SGPropertyNode_ptr ApplicationProperties::Properties = new SGPropertyNode;