386d87e098
Replace many lingering calls to exit() from the code, replacing most with exception throws, which can be caught by the existing mechanisms. Update the option-parsing code to return an explicit value indicating what to do (e.g., exit status to return to the shell).
75 lines
2 KiB
C++
75 lines
2 KiB
C++
// fixlist.cxx -- fix list management class
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//
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// Written by Curtis Olson, started April 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <algorithm>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/misc/sgstream.hxx>
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#include <simgear/misc/sg_path.hxx>
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#include <simgear/math/sg_geodesy.hxx>
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#include <simgear/structure/exception.hxx>
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#include "fixlist.hxx"
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#include <Navaids/fix.hxx>
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#include <Navaids/NavDataCache.hxx>
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FGFix::FGFix(PositionedID aGuid, const std::string& aIdent, const SGGeod& aPos) :
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FGPositioned(aGuid, FIX, aIdent, aPos)
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{
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}
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namespace flightgear
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{
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void loadFixes(const SGPath& path)
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{
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sg_gzifstream in( path.str() );
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if ( !in.is_open() ) {
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throw sg_io_exception("Cannot open file:", path);
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}
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// toss the first two lines of the file
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in >> skipeol;
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in >> skipeol;
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NavDataCache* cache = NavDataCache::instance();
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// read in each remaining line of the file
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while ( ! in.eof() ) {
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double lat, lon;
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std::string ident;
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in >> lat >> lon >> ident;
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if (lat > 95) break;
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cache->insertFix(ident, SGGeod::fromDeg(lon, lat));
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in >> skipcomment;
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}
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}
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} // of namespace flightgear;
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