5c713a6b55
Reduces QtLauncher.cxx down to the public API and the static helper methods; the main window lives in its own file.
120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
//
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// AircraftDirVisitorBase.hxx - helper to traverse a heirarchy containing
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// aircraft dirs
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//
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// Written by Curtis Olson, started August 1997.
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//
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// Copyright (C) 1997 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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#ifndef FG_MAIN_AIRCRAFT_DIR_VISITOR_HXX
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#define FG_MAIN_AIRCRAFT_DIR_VISITOR_HXX
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#include <simgear/misc/sg_dir.hxx>
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#include <simgear/misc/sg_path.hxx>
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#include <Main/globals.hxx>
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class AircraftDirVistorBase
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{
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public:
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protected:
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enum VisitResult {
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VISIT_CONTINUE = 0,
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VISIT_DONE,
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VISIT_ERROR
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};
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AircraftDirVistorBase() :
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_maxDepth(2)
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{
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}
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VisitResult visitAircraftPaths()
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{
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const simgear::PathList& paths(globals->get_aircraft_paths());
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simgear::PathList::const_iterator it = paths.begin();
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for (; it != paths.end(); ++it) {
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VisitResult vr = visitDir(*it, 0);
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if (vr != VISIT_CONTINUE) {
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return vr;
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}
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} // of aircraft paths iteration
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// if we reach this point, search the default location (always last)
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SGPath rootAircraft(globals->get_fg_root());
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rootAircraft.append("Aircraft");
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return visitDir(rootAircraft, 0);
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}
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VisitResult visitPath(const SGPath& path, unsigned int depth)
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{
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if (!path.exists()) {
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return VISIT_ERROR;
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}
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return visit(path);
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}
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VisitResult visitDir(const simgear::Dir& d, unsigned int depth)
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{
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if (!d.exists()) {
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SG_LOG(SG_GENERAL, SG_WARN, "visitDir: no such path:" << d.path());
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return VISIT_CONTINUE;
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}
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if (depth >= _maxDepth) {
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return VISIT_CONTINUE;
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}
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bool recurse = true;
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simgear::PathList setFiles(d.children(simgear::Dir::TYPE_FILE, "-set.xml"));
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simgear::PathList::iterator p;
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for (p = setFiles.begin(); p != setFiles.end(); ++p) {
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// if we found a -set.xml at this level, don't recurse any deeper
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recurse = false;
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VisitResult vr = visit(*p);
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if (vr != VISIT_CONTINUE) {
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return vr;
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}
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} // of -set.xml iteration
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if (!recurse) {
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return VISIT_CONTINUE;
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}
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simgear::PathList subdirs(d.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
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for (p = subdirs.begin(); p != subdirs.end(); ++p) {
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VisitResult vr = visitDir(*p, depth + 1);
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if (vr != VISIT_CONTINUE) {
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return vr;
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}
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}
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return VISIT_CONTINUE;
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} // of visitDir method
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virtual VisitResult visit(const SGPath& path) = 0;
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private:
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unsigned int _maxDepth;
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};
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#endif // of FG_MAIN_AIRCRAFT_DIR_VISITOR_HXX
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