125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
// 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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <cstdio>
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#include <simgear/misc/sg_path.hxx>
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#include <simgear/xml/easyxml.hxx>
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#include <simgear/misc/strutils.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <Main/globals.hxx>
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#include <Main/fg_props.hxx>
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#include "xmlloader.hxx"
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#include "dynamicloader.hxx"
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#include "runwayprefloader.hxx"
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#include "dynamics.hxx"
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#include "airport.hxx"
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#include "runwayprefs.hxx"
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#include <Navaids/NavDataCache.hxx>
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using std::string;
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XMLLoader::XMLLoader() {}
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XMLLoader::~XMLLoader() {}
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void XMLLoader::load(FGAirportDynamics* d)
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{
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SGPath path;
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if (!findAirportData(d->parent()->ident(), "groundnet", path)) {
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return;
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}
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flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
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if (!cache->isCachedFileModified(path) || cache->isReadOnly()) {
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return;
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}
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SG_LOG(SG_NAVAID, SG_INFO, "reading groundnet data from " << path);
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SGTimeStamp t;
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try {
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flightgear::NavDataCache::Transaction txn(cache);
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t.stamp();
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{
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// drop all current data
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cache->dropGroundnetFor(d->parent()->guid());
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FGAirportDynamicsXMLLoader visitor(d);
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readXML(path.str(), visitor);
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} // ensure visitor is destroyed so its destructor runs
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cache->stampCacheFile(path);
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txn.commit();
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} catch (sg_exception& e) {
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SG_LOG(SG_NAVAID, SG_INFO, "parsing groundnet XML failed:" << e.getFormattedMessage());
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}
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SG_LOG(SG_NAVAID, SG_INFO, "parsing groundnet XML took " << t.elapsedMSec());
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}
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void XMLLoader::load(FGRunwayPreference* p) {
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FGRunwayPreferenceXMLLoader visitor(p);
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loadAirportXMLDataIntoVisitor(p->getId(), "rwyuse", visitor);
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}
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bool XMLLoader::findAirportData(const std::string& aICAO,
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const std::string& aFileName, SGPath& aPath)
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{
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string fileName(aFileName);
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if (!simgear::strutils::ends_with(aFileName, ".xml")) {
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fileName.append(".xml");
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}
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string_list sc = globals->get_fg_scenery();
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char buffer[128];
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::snprintf(buffer, 128, "%c/%c/%c/%s.%s",
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aICAO[0], aICAO[1], aICAO[2],
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aICAO.c_str(), fileName.c_str());
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for (string_list_iterator it = sc.begin(); it != sc.end(); ++it) {
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// fg_senery contains empty strings as "markers" (see FGGlobals::set_fg_scenery)
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if (!it->empty()) {
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SGPath path(*it);
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path.append("Airports");
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path.append(string(buffer));
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if (path.exists()) {
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aPath = path;
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return true;
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} // of path exists
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}
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} // of scenery path iteration
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return false;
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}
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bool XMLLoader::loadAirportXMLDataIntoVisitor(const string& aICAO,
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const string& aFileName, XMLVisitor& aVisitor)
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{
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SGPath path;
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if (!findAirportData(aICAO, aFileName, path)) {
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SG_LOG(SG_NAVAID, SG_DEBUG, "loadAirportXMLDataIntoVisitor: failed to find data for " << aICAO << "/" << aFileName);
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return false;
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}
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SG_LOG(SG_GENERAL, SG_DEBUG, "loadAirportXMLDataIntoVisitor: loading from " << path.str());
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readXML(path.str(), aVisitor);
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return true;
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}
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