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airportinfo(): add possibility to search for next airport of a particular

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type: "airport" (default), "seaport", "heliport"
This commit is contained in:
mfranz 2007-10-14 07:51:11 +00:00
parent 73bec9e1f8
commit 40f8213b0f
1 changed files with 36 additions and 17 deletions
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53
src/Scripting/NasalSys.cxx
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@ -389,9 +389,8 @@ static naRef f_parsexml(naContext c, naRef me, int argc, naRef* args)
try {
readXML(input, visitor);
} catch (const sg_exception& e) {
string msg = string("parsexml(): file '") + file + "' "
+ e.getFormattedMessage();
naRuntimeError(c, msg.c_str());
naRuntimeError(c, "parsexml(): file '%s' %s",
file, e.getFormattedMessage().c_str());
return naNil();
}
return args[0];
@ -489,26 +488,46 @@ static naRef f_geodinfo(naContext c, naRef me, int argc, naRef* args)
class airport_filter : public FGAirportSearchFilter {
virtual bool pass(FGAirport *a) { return a->isAirport(); }
} airport;
class seaport_filter : public FGAirportSearchFilter {
virtual bool pass(FGAirport *a) { return a->isSeaport(); }
} seaport;
class heliport_filter : public FGAirportSearchFilter {
virtual bool pass(FGAirport *a) { return a->isHeliport(); }
} heliport;
// Returns airport data for given airport id ("KSFO"), or for the airport
// nearest to a given lat/lon pair, or without arguments, to the current
// aircraft position. Returns nil on error. Only one side of each runway is
// returned.
// Returns data hash for particular or nearest airport of a <type>, or nil
// on error. Only one side of each runway is contained.
//
// airportinfo(<id>); e.g. "KSFO"
// airportinfo(<type>); type := ("airport"|"seaport"|"heliport")
// airportinfo() same as airportinfo("airport")
// airportinfo(<lat>, <lon> [, <type>]);
static naRef f_airportinfo(naContext c, naRef me, int argc, naRef* args)
{
static SGConstPropertyNode_ptr lat = fgGetNode("/position/latitude-deg", true);
static SGConstPropertyNode_ptr lon = fgGetNode("/position/longitude-deg", true);
static SGConstPropertyNode_ptr latn = fgGetNode("/position/latitude-deg", true);
static SGConstPropertyNode_ptr lonn = fgGetNode("/position/longitude-deg", true);
double lat, lon;
// airport
FGAirportList *aptlst = globals->get_airports();
FGAirport *apt;
if(argc == 0)
apt = aptlst->search(lon->getDoubleValue(), lat->getDoubleValue(), airport);
else if(argc == 1 && naIsString(args[0]))
apt = aptlst->search(naStr_data(args[0]));
else if(argc == 2 && naIsNum(args[0]) && naIsNum(args[1]))
apt = aptlst->search(args[1].num, args[0].num, airport);
else {
if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
lat = args[0].num;
lon = args[1].num;
args += 2;
argc -= 2;
} else {
lat = latn->getDoubleValue();
lon = lonn->getDoubleValue();
}
if(argc == 0) {
apt = aptlst->search(lon, lat, airport);
} else if(argc == 1 && naIsString(args[0])) {
const char *s = naStr_data(args[0]);
if(!strcmp(s, "airport")) apt = aptlst->search(lon, lat, airport);
else if(!strcmp(s, "seaport")) apt = aptlst->search(lon, lat, seaport);
else if(!strcmp(s, "heliport")) apt = aptlst->search(lon, lat, heliport);
else apt = aptlst->search(s);
} else {
naRuntimeError(c, "airportinfo() with invalid function arguments");
return naNil();
}