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flightgear/src/Airports/simple.hxx
2001-03-23 22:59:18 +00:00

163 lines
3.6 KiB
C++

// simple.hxx -- a really simplistic class to manage airport ID,
// lat, lon of the center of one of it's runways, and
// elevation in feet.
//
// Written by Curtis Olson, started April 1998.
//
// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifndef _SIMPLE_HXX
#define _SIMPLE_HXX
#ifndef __cplusplus
# error This library requires C++
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <simgear/compiler.h>
#ifdef SG_HAVE_STD_INCLUDES
# include <istream>
#elif defined( SG_HAVE_NATIVE_SGI_COMPILERS )
# include <iostream.h>
#elif defined( __BORLANDC__ )
# include <iostream>
#else
# include <istream.h>
#endif
#include STL_STRING
#include <set>
#ifndef _MSC_VER
# define NDEBUG // she don't work without it.
#endif
#include <mk4.h>
#include <mk4str.h>
#ifndef _MSC_VER
# undef NDEBUG
#endif
SG_USING_STD(string);
SG_USING_STD(set);
#if ! defined( SG_HAVE_NATIVE_SGI_COMPILERS )
SG_USING_STD(istream);
#endif
class FGAirport {
public:
FGAirport( const string& name = "",
double lon = 0.0,
double lat = 0.0,
double ele = 0.0 )
: id(name), longitude(lon), latitude(lat), elevation(ele) {}
bool operator < ( const FGAirport& a ) const {
return id < a.id;
}
public:
string id;
double longitude;
double latitude;
double elevation;
};
inline istream&
operator >> ( istream& in, FGAirport& a )
{
return in >> a.id >> a.latitude >> a.longitude >> a.elevation;
}
class FGAirports {
private:
c4_Storage *storage;
c4_View *vAirport;
public:
// Constructor
FGAirports( const string& file );
// Destructor
~FGAirports();
// search for the specified id.
// Returns true if successful, otherwise returns false.
// On success, airport data is returned thru "airport" pointer.
// "airport" is not changed if "apt" is not found.
bool search( const string& id, FGAirport* airport ) const;
FGAirport search( const string& id ) const;
};
class FGAirportsUtil {
public:
#ifdef SG_NO_DEFAULT_TEMPLATE_ARGS
typedef set< FGAirport, less< FGAirport > > container;
#else
typedef set< FGAirport > container;
#endif
typedef container::iterator iterator;
typedef container::const_iterator const_iterator;
private:
container airports;
public:
// Constructor
FGAirportsUtil();
// Destructor
~FGAirportsUtil();
// load the data
int load( const string& file );
// save the data in metakit format
bool dump_mk4( const string& file );
// search for the specified id.
// Returns true if successful, otherwise returns false.
// On success, airport data is returned thru "airport" pointer.
// "airport" is not changed if "id" is not found.
bool search( const string& id, FGAirport* airport ) const;
FGAirport search( const string& id ) const;
};
#endif // _SIMPLE_HXX