1 // metarairportfilter.hxx -- Implementation of AirportFilter
3 // Written by Torsten Dreyer, August 2010
5 // Copyright (C) 2010 Torsten Dreyer Torsten(at)t3r(dot)de
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 #ifndef __METARAIRPORTFILTER_HXX
23 #define __METARAIRPORTFILTER_HXX
25 #include <Airports/airport.hxx>
26 #include <simgear/props/props.hxx>
28 namespace Environment {
31 * @brief A AirportFilter for selection airports that provide a METAR
32 * Singleton implementation of FGAirport::AirportFilter
34 class MetarAirportFilter : public FGAirport::AirportFilter {
36 static MetarAirportFilter * instance();
38 MetarAirportFilter() {}
39 virtual bool passAirport(FGAirport* aApt) const {
40 return aApt->getMetar();
43 // permit heliports and seaports too
44 virtual FGPositioned::Type maxType() const
45 { return FGPositioned::SEAPORT; }
47 static MetarAirportFilter * _instance;