bool options(int count, char **arg)
{
int i;
bool result = true;
if (count == 1) {
PrintHelp();
exit(0);
}
cout.setf(ios_base::fixed);
for (i=1; i<count; i++) {
string argument = string(arg[i]);
string keyword(argument);
string value("");
string::size_type n=argument.find("=");
if (n != string::npos && n > 0) {
keyword = argument.substr(0, n);
value = argument.substr(n+1);
}
if (keyword == "--help") {
PrintHelp();
exit(0);
} else if (keyword == "--version") {
cout << endl << " JSBSim Version: " << FDMExec->GetVersion() << endl << endl;
exit (0);
} else if (keyword == "--realtime") {
realtime = true;
} else if (keyword == "--nice") {
play_nice = true;
if (n != string::npos) {
try {
sleep_period = atof( value.c_str() );
} catch (...) {
cerr << endl << " Invalid sleep period given!" << endl << endl;
result = false;
}
} else {
sleep_period = 0.01;
}
} else if (keyword == "--suspend") {
suspend = true;
} else if (keyword == "--nohighlight") {
nohighlight = true;
} else if (keyword == "--outputlogfile") {
if (n != string::npos) {
LogOutputName.push_back(value);
}
} else if (keyword == "--logdirectivefile") {
if (n != string::npos) {
LogDirectiveName.push_back(SGPath::fromLocal8Bit(value.c_str()));
} else {
gripe;
exit(1);
}
} else if (keyword == "--root") {
if (n != string::npos) {
RootDir = SGPath::fromLocal8Bit(value.c_str());
} else {
gripe;
exit(1);
}
} else if (keyword == "--aircraft") {
if (n != string::npos) {
AircraftName = value;
} else {
gripe;
exit(1);
}
} else if (keyword == "--script") {
if (n != string::npos) {
ScriptName = SGPath::fromLocal8Bit(value.c_str());
} else {
gripe;
exit(1);
}
} else if (keyword == "--initfile") {
if (n != string::npos) {
ResetName = SGPath::fromLocal8Bit(value.c_str());
} else {
gripe;
exit(1);
}
} else if (keyword == "--property") {
if (n != string::npos) {
string propName = value.substr(0,value.find("="));
string propValueString = value.substr(value.find("=")+1);
double propValue = atof(propValueString.c_str());
CommandLineProperties.push_back(propName);
CommandLinePropertyValues.push_back(propValue);
} else {
gripe;
exit(1);
}
} else if (keyword.substr(0,5) == "--end") {
if (n != string::npos) {
try {
end_time = atof( value.c_str() );
} catch (...) {
cerr << endl << " Invalid end time given!" << endl << endl;
result = false;
}
} else {
gripe;
exit(1);
}
} else if (keyword == "--simulation-rate") {
if (n != string::npos) {
try {
simulation_rate = atof( value.c_str() );
override_sim_rate = true;
} catch (...) {
cerr << endl << " Invalid simulation rate given!" << endl << endl;
result = false;
}
} else {
gripe;
exit(1);
}
} else if (keyword == "--catalog") {
catalog = true;
if (value.size() > 0) AircraftName=value;
} else if (keyword.substr(0,2) != "--" && value.empty() ) {
// See what kind of files we are specifying on the command line
XMLFile xmlFile;
SGPath path = SGPath::fromLocal8Bit(keyword.c_str());
if (xmlFile.IsScriptFile(path)) ScriptName = path;
else if (xmlFile.IsLogDirectiveFile(path)) LogDirectiveName.push_back(path);
else if (xmlFile.IsAircraftFile(SGPath("aircraft")/keyword/keyword)) AircraftName = keyword;
else if (xmlFile.IsInitFile(path)) ResetName = path;
else if (xmlFile.IsInitFile(SGPath("aircraft")/AircraftName/keyword)) ResetName = SGPath("aircraft")/AircraftName/keyword;
else {
cerr << "The argument \"" << keyword << "\" cannot be interpreted as a file name or option." << endl;
exit(1);
}
}
else //Unknown keyword so print the help file, the bad keyword and abort
{
PrintHelp();
cerr << "The argument \"" << keyword << "\" cannot be interpreted as a file name or option." << endl;
exit(1);
}
}
// Post-processing for script options. check for incompatible options.
if (catalog && !ScriptName.isNull()) {
cerr << "Cannot specify catalog with script option" << endl << endl;
result = false;
}
if (!AircraftName.empty() && ResetName.isNull() && !catalog) {
cerr << "You must specify an initialization file with the aircraft name." << endl << endl;
result = false;
}
if (!ScriptName.isNull() && !AircraftName.empty()) {
cerr << "You cannot specify an aircraft file with a script." << endl;
result = false;
}
return result;
}
