osrm-backend/Descriptors/GPXDescriptor.h

/*
    open source routing machine
    Copyright (C) Dennis Luxen, others 2010

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
or see http://www.gnu.org/licenses/agpl.txt.
 */

#ifndef GPX_DESCRIPTOR_H_
#define GPX_DESCRIPTOR_H_

#include "BaseDescriptor.h"

#include <boost/foreach.hpp>

template<class DataFacadeT>
class GPXDescriptor : public BaseDescriptor<DataFacadeT> {
private:
    DescriptorConfig config;
    FixedPointCoordinate current;

    std::string tmp;
public:
    void SetConfig(const DescriptorConfig & c) { config = c; }

    //TODO: reorder parameters
    void Run(
        http::Reply & reply,
        const RawRouteData &rawRoute,
        PhantomNodes &phantomNodes,
        const DataFacadeT * facade
    ) {
        reply.content += ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
        reply.content +=
                "<gpx creator=\"OSRM Routing Engine\" version=\"1.1\" "
                "xmlns=\"http://www.topografix.com/GPX/1/1\" "
                "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
                "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/1 gpx.xsd"
                "\">";
        reply.content +=
                "<metadata><copyright author=\"Project OSRM\"><license>Data (c)"
                " OpenStreetMap contributors (ODbL)</license></copyright>"
                "</metadata>";
        reply.content += "<rte>";
        bool found_route =  (rawRoute.lengthOfShortestPath != INT_MAX) &&
                            (rawRoute.computedShortestPath.size()         );
        if( found_route ) {
            convertInternalLatLonToString(
                phantomNodes.startPhantom.location.lat,
                tmp
            );
            reply.content += "<rtept lat=\"" + tmp + "\" ";
            convertInternalLatLonToString(
                phantomNodes.startPhantom.location.lon,
                tmp
            );
            reply.content += "lon=\"" + tmp + "\"></rtept>";

            BOOST_FOREACH(
                const _PathData & pathData,
                rawRoute.computedShortestPath
            ) {
                current = facade->GetCoordinateOfNode(pathData.node);

                convertInternalLatLonToString(current.lat, tmp);
                reply.content += "<rtept lat=\"" + tmp + "\" ";
                convertInternalLatLonToString(current.lon, tmp);
                reply.content += "lon=\"" + tmp + "\"></rtept>";
            }
            convertInternalLatLonToString(
                phantomNodes.targetPhantom.location.lat,
                tmp
            );
            reply.content += "<rtept lat=\"" + tmp + "\" ";
            convertInternalLatLonToString(
                phantomNodes.targetPhantom.location.lon,
                tmp
            );
            reply.content += "lon=\"" + tmp + "\"></rtept>";
        }
        reply.content += "</rte></gpx>";
    }
};
#endif // GPX_DESCRIPTOR_H_