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flightgear/src/Navaids/navaids.cxx

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// navaids.cxx -- navaids management class
//
// Written by Curtis Olson, started April 2000.
//
// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
//
// 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.
//
// $Id$
#include <simgear/misc/fgstream.hxx>
#include <simgear/debug/logstream.hxx>
#include "navaids.hxx"
// Constructor
FGNavAids::FGNavAids( void ) {
}
// Destructor
FGNavAids::~FGNavAids( void ) {
}
// load the navaids and build the map
bool FGNavAids::init( FGPath path ) {
FGNavAid n;
navaids.erase( navaids.begin(), navaids.end() );
fg_gzifstream in( path.str() );
if ( !in.is_open() ) {
FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << path.str() );
exit(-1);
}
// read in each line of the file
in >> skipeol;
in >> skipcomment;
#ifdef __MWERKS__
char c = 0;
while ( in.get(c) && c != '\0' && n.get_type() != '[' ) {
in.putback(c);
in >> n;
if ( n.get_type() != '[' ) {
navaids[n.get_freq()].push_back(n);
}
in >> skipcomment;
}
#else
while ( ! in.eof() && n.get_type() != '[' ) {
in >> n;
/* cout << "id = " << n.get_ident() << endl;
cout << " type = " << n.get_type() << endl;
cout << " lon = " << n.get_lon() << endl;
cout << " lat = " << n.get_lat() << endl;
cout << " elev = " << n.get_elev() << endl;
cout << " freq = " << n.get_freq() << endl;
cout << " range = " << n.get_range() << endl; */
if ( n.get_type() != '[' ) {
navaids[n.get_freq()].push_back(n);
}
in >> skipcomment;
}
#endif
return true;
}