128 lines
2.7 KiB
C++
128 lines
2.7 KiB
C++
//
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// simple.cxx -- a really simplistic class to manage airport ID,
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// lat, lon of the center of one of it's runways, and
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// elevation in feet.
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//
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// Written by Curtis Olson, started April 1998.
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//
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// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#include <Include/compiler.h>
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#include <Debug/logstream.hxx>
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#include <Misc/fgpath.hxx>
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#include <Misc/fgstream.hxx>
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#include <Main/options.hxx>
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#include STL_STRING
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#include STL_FUNCTIONAL
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#include STL_ALGORITHM
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#include "simple.hxx"
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fgAIRPORTS::fgAIRPORTS() {
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}
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// load the data
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int fgAIRPORTS::load( const string& file ) {
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fgAIRPORT a;
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// build the path name to the airport file
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FGPath path( current_options.get_fg_root() );
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path.append( "Airports" );
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path.append( file );
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airports.erase( airports.begin(), airports.end() );
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fg_gzifstream in( path.str() );
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if ( !in.is_open() ) {
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FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << path.str() );
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exit(-1);
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}
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/*
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// We can use the STL copy algorithm because the input
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// file doesn't contain and comments or blank lines.
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copy( istream_iterator<fgAIRPORT,ptrdiff_t>(in.stream()),
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istream_iterator<fgAIRPORT,ptrdiff_t>(),
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inserter( airports, airports.begin() ) );
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*/
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// read in each line of the file
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#ifdef __MWERKS__
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in >> skipcomment;
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char c = 0;
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while ( in.get(c) && c != '\0' ) {
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in.putback(c);
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in >> a;
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airports.insert(a);
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in >> skipcomment;
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}
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#else
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in >> skipcomment;
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while ( ! in.eof() ) {
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in >> a;
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airports.insert(a);
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in >> skipcomment;
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}
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#endif
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return 1;
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}
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// search for the specified id
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bool
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fgAIRPORTS::search( const string& id, fgAIRPORT* a ) const
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{
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const_iterator it = airports.find( fgAIRPORT(id) );
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if ( it != airports.end() )
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{
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*a = *it;
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return true;
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}
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else
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{
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return false;
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}
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}
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fgAIRPORT
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fgAIRPORTS::search( const string& id ) const
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{
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fgAIRPORT a;
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this->search( id, &a );
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return a;
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}
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// Destructor
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fgAIRPORTS::~fgAIRPORTS( void ) {
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}
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