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317
src/Airports/runways.cxx
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317
src/Airports/runways.cxx
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// runways.hxx -- a simple class to manage airport runway info
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//
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// Written by Curtis Olson, started August 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
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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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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// #include <sys/types.h> // for gdbm open flags
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// #include <sys/stat.h> // for gdbm open flags
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#include <simgear/compiler.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/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 "runways.hxx"
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FG_USING_NAMESPACE(std);
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FGRunway::FGRunway() {
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}
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FGRunway::~FGRunway() {
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}
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FGRunways::FGRunways( const string& file ) {
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// open the specified database readonly
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storage = new c4_Storage( file.c_str(), false );
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if ( !storage->Strategy().IsValid() ) {
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FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << file );
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exit(-1);
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}
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vRunway = new c4_View;
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*vRunway =
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storage->GetAs("runway[ID:S,Rwy:S,Longitude:F,Latitude:F,Heading:F,Length:F,Width:F,SurfaceFlags:S,End1Flags:F,End2Flags:F]");
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next_index = 0;
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}
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// search for the specified id
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bool FGRunways::search( const string& id, FGRunway* r ) {
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c4_StringProp pID ("ID");
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c4_StringProp pRwy ("Rwy");
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c4_FloatProp pLon ("Longitude");
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c4_FloatProp pLat ("Latitude");
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c4_FloatProp pHdg ("Heading");
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c4_FloatProp pLen ("Length");
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c4_FloatProp pWid ("Width");
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c4_StringProp pSurf ("SurfaceFlags");
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c4_StringProp pEnd1 ("End1Flags");
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c4_StringProp pEnd2 ("End2Flags");
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int index = vRunway->Find(pID[id.c_str()]);
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cout << "index = " << index << endl;
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if ( index == -1 ) {
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return false;
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}
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next_index = index + 1;
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c4_RowRef row = vRunway->GetAt(index);
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r->id = (string) pID(row);
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r->rwy_no = (string) pRwy(row);
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r->lon = (double) pLon(row);
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r->lat = (double) pLat(row);
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r->heading = (double) pHdg(row);
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r->length = (double) pLen(row);
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r->width = (double) pWid(row);
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r->surface_flags = (string) pSurf(row);
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r->end1_flags = (string) pEnd1(row);
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r->end2_flags = (string) pEnd2(row);
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return true;
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}
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FGRunway FGRunways::search( const string& id ) {
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FGRunway a;
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search( id, &a );
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return a;
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}
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// search for the specified id
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bool FGRunways::next( FGRunway* r ) {
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c4_StringProp pID ("ID");
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c4_StringProp pRwy ("Rwy");
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c4_FloatProp pLon ("Longitude");
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c4_FloatProp pLat ("Latitude");
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c4_FloatProp pHdg ("Heading");
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c4_FloatProp pLen ("Length");
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c4_FloatProp pWid ("Width");
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c4_StringProp pSurf ("SurfaceFlags");
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c4_StringProp pEnd1 ("End1Flags");
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c4_StringProp pEnd2 ("End2Flags");
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int size = vRunway->GetSize();
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// cout << "total records = " << size << endl;
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int index = next_index;
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// cout << "index = " << index << endl;
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if ( index == -1 || index >= size ) {
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return false;
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}
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next_index = index + 1;
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c4_RowRef row = vRunway->GetAt(index);
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r->id = (string) pID(row);
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r->rwy_no = (string) pRwy(row);
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r->lon = (double) pLon(row);
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r->lat = (double) pLat(row);
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r->heading = (double) pHdg(row);
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r->length = (double) pLen(row);
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r->width = (double) pWid(row);
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r->surface_flags = (string) pSurf(row);
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r->end1_flags = (string) pEnd1(row);
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r->end2_flags = (string) pEnd2(row);
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return true;
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}
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// Destructor
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FGRunways::~FGRunways( void ) {
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// gdbm_close( dbf );
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}
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// Constructor
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FGRunwaysUtil::FGRunwaysUtil() {
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}
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// load the data
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int FGRunwaysUtil::load( const string& file ) {
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FGRunway r;
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string apt_id;
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runways.erase( runways.begin(), runways.end() );
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fg_gzifstream in( file );
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if ( !in.is_open() ) {
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FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << file );
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exit(-1);
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}
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// skip first line of file
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char tmp[256];
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in.getline( tmp, 256 );
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// read in each line of the file
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#ifdef __MWERKS__
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in >> skipws;
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char c = 0;
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while ( in.get(c) && c != '\0' ) {
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if ( c == 'A' ) {
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in >> apt_id;
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in >> skipeol;
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} else if ( c == 'R' ) {
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in >> r;
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r.id = apt_id;
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runways.push_back(r);
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} else {
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in >> skipeol;
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}
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in >> skipws;
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}
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#else
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in >> skipws;
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while ( ! in.eof() ) {
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char c = 0;
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in.get(c);
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if ( c == 'A' ) {
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in >> apt_id;
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in >> skipeol;
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} else if ( c == 'R' ) {
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in >> r;
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r.id = apt_id;
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// cout << apt_id << " " << r.rwy_no << endl;
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runways.push_back(r);
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} else {
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in >> skipeol;
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}
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in >> skipws;
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}
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#endif
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return 1;
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}
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// save the data in gdbm format
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bool FGRunwaysUtil::dump_mk4( const string& file ) {
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// open database for writing
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c4_Storage storage( file.c_str(), true );
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// need to do something about error handling here!
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// define the properties
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c4_StringProp pID ("ID");
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c4_StringProp pRwy ("Rwy");
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c4_FloatProp pLon ("Longitude");
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c4_FloatProp pLat ("Latitude");
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c4_FloatProp pHdg ("Heading");
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c4_FloatProp pLen ("Length");
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c4_FloatProp pWid ("Width");
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c4_StringProp pSurf ("SurfaceFlags");
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c4_StringProp pEnd1 ("End1Flags");
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c4_StringProp pEnd2 ("End2Flags");
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// Start with an empty view of the proper structure.
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c4_View vRunway =
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storage.GetAs("runway[ID:S,Rwy:S,Longitude:F,Latitude:F,Heading:F,Length:F,Width:F,SurfaceFlags:S,End1Flags:F,End2Flags:F]");
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c4_Row row;
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iterator current = runways.begin();
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const_iterator end = runways.end();
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while ( current != end ) {
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// add each runway record
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pID (row) = current->id.c_str();
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pRwy (row) = current->rwy_no.c_str();
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pLon (row) = current->lon;
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pLat (row) = current->lat;
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pHdg (row) = current->heading;
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pLen (row) = current->length;
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pWid (row) = current->width;
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pSurf (row) = current->surface_flags.c_str();
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pEnd1 (row) = current->end1_flags.c_str();
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pEnd2 (row) = current->end2_flags.c_str();
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vRunway.Add(row);
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++current;
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}
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// commit our changes
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storage.Commit();
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return true;
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}
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#if 0
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// search for the specified id
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bool
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FGRunwaysUtil::search( const string& id, FGRunway* a ) const
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{
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const_iterator it = runways.find( FGRunway(id) );
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if ( it != runways.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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FGRunway
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FGRunwaysUtil::search( const string& id ) const
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{
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FGRunway a;
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this->search( id, &a );
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return a;
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}
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#endif
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// Destructor
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FGRunwaysUtil::~FGRunwaysUtil( void ) {
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}
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159
src/Airports/runways.hxx
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159
src/Airports/runways.hxx
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// runways.hxx -- a simple class to manage airport runway info
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//
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// Written by Curtis Olson, started August 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
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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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#ifndef _RUNWAYS_HXX
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#define _RUNWAYS_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <simgear/compiler.h>
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#ifdef FG_HAVE_STD_INCLUDES
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# include <istream>
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#elif defined( FG_HAVE_NATIVE_SGI_COMPILERS )
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# include <iostream.h>
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#elif defined( __BORLANDC__ )
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# include <iostream>
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#else
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# include <istream.h>
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#endif
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#include STL_STRING
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#include <vector>
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#define NDEBUG // she don't work without it.
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#include <mk4.h>
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#include <mk4str.h>
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#undef NDEBUG
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FG_USING_STD(string);
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FG_USING_STD(vector);
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#if ! defined( FG_HAVE_NATIVE_SGI_COMPILERS )
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FG_USING_STD(istream);
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#endif
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class FGRunway {
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public:
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string id;
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string rwy_no;
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double lon;
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double lat;
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double heading;
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double length;
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double width;
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string surface_flags;
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string end1_flags;
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string end2_flags;
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public:
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FGRunway();
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~FGRunway();
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};
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inline istream&
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operator >> ( istream& in, FGRunway& a )
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{
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int tmp;
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return in >> a.rwy_no >> a.lat >> a.lon >> a.heading >> a.length >> a.width
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>> a.surface_flags >> a.end1_flags >> tmp >> tmp >> a.end2_flags
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>> tmp >> tmp;
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}
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class FGRunways {
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private:
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c4_Storage *storage;
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c4_View *vRunway;
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int next_index;
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public:
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// Constructor
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FGRunways( const string& file );
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// Destructor
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~FGRunways();
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// search for the specified id.
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// Returns true if successful, otherwise returns false.
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// On success, runway data is returned thru "runway" pointer.
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// "runway" is not changed if "apt" is not found.
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bool search( const string& id, FGRunway* runway );
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FGRunway search( const string& id );
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bool next( FGRunway* runway );
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FGRunway next();
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};
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class FGRunwaysUtil {
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public:
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typedef vector< FGRunway > container;
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typedef container::iterator iterator;
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typedef container::const_iterator const_iterator;
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private:
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container runways;
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public:
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// Constructor
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FGRunwaysUtil();
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// Destructor
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~FGRunwaysUtil();
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// load the data
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int load( const string& file );
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// save the data in metakit format
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bool dump_mk4( const string& file );
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// search for the specified id.
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// Returns true if successful, otherwise returns false.
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// On success, runway data is returned thru "runway" pointer.
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// "runway" is not changed if "id" is not found.
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// bool search( const string& id, FGRunway* runway ) const;
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// FGRunway search( const string& id ) const;
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};
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#endif // _RUNWAYS_HXX
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