2 // simple.cxx -- a really simplistic class to manage airport ID,
3 // lat, lon of the center of one of it's runways, and
6 // Written by Curtis Olson, started April 1998.
8 // Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
10 // This program is free software; you can redistribute it and/or
11 // modify it under the terms of the GNU General Public License as
12 // published by the Free Software Foundation; either version 2 of the
13 // License, or (at your option) any later version.
15 // This program is distributed in the hope that it will be useful, but
16 // WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 // General Public License for more details.
20 // You should have received a copy of the GNU General Public License
21 // along with this program; if not, write to the Free Software
22 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include <Include/compiler.h>
29 #include <Debug/logstream.hxx>
30 #include <Misc/fgpath.hxx>
31 #include <Misc/fgstream.hxx>
32 #include <Main/options.hxx>
35 #include STL_FUNCTIONAL
36 #include STL_ALGORITHM
41 fgAIRPORTS::fgAIRPORTS() {
46 int fgAIRPORTS::load( const string& file ) {
49 // build the path name to the airport file
50 FGPath path( current_options.get_fg_root() );
51 path.append( "Airports" );
54 airports.erase( airports.begin(), airports.end() );
56 fg_gzifstream in( path.str() );
57 if ( !in.is_open() ) {
58 FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << path.str() );
63 // We can use the STL copy algorithm because the input
64 // file doesn't contain and comments or blank lines.
65 copy( istream_iterator<fgAIRPORT,ptrdiff_t>(in.stream()),
66 istream_iterator<fgAIRPORT,ptrdiff_t>(),
67 inserter( airports, airports.begin() ) );
70 // read in each line of the file
76 while ( in.get(c) && c != '\0' ) {
86 while ( ! in.eof() ) {
98 // search for the specified id
100 fgAIRPORTS::search( const string& id, fgAIRPORT* a ) const
102 const_iterator it = airports.find( fgAIRPORT(id) );
103 if ( it != airports.end() )
116 fgAIRPORTS::search( const string& id ) const
119 this->search( id, &a );
125 fgAIRPORTS::~fgAIRPORTS( void ) {