RODFDetectorHandler.cpp

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/****************************************************************************/
// A handler for loading detector descriptions
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation; either version 2 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <string>
#include <utils/options/OptionsCont.h>
#include <utils/common/MsgHandler.h>
#include <utils/common/StringTokenizer.h>
#include <utils/common/UtilExceptions.h>
#include <utils/common/TplConvertSec.h>
#include <utils/xml/SUMOSAXHandler.h>
#include <utils/xml/SUMOXMLDefinitions.h>
#include "RODFDetectorHandler.h"
#include "RODFNet.h"

#ifdef CHECK_MEMORY_LEAKS
#include <foreign/nvwa/debug_new.h>
#endif // CHECK_MEMORY_LEAKS


// ===========================================================================
// method definitions
// ===========================================================================
RODFDetectorHandler::RODFDetectorHandler(RODFNet *optNet, bool ignoreErrors, RODFDetectorCon &con,
        const std::string &file)
        : SUMOSAXHandler(file),
        myNet(optNet), myIgnoreErrors(ignoreErrors), myContainer(con) {}


RODFDetectorHandler::~RODFDetectorHandler() throw() {}


void
RODFDetectorHandler::myStartElement(SumoXMLTag element,
                                    const SUMOSAXAttributes &attrs) throw(ProcessError) {
    if (element==SUMO_TAG_DETECTOR_DEFINITION) {
        try {
            // get the id, report an error if not given or empty...
            std::string id;
            if (!attrs.setIDFromAttributes("detector_definition", id, false)) {
                throw ProcessError("A detector_definition without an id occured within '" + getFileName() + "'.");
            }
            bool ok = true;
            std::string lane = attrs.getStringReporting(SUMO_ATTR_LANE, "detector_definition", id.c_str(), ok);
            if (!ok) {
                throw ProcessError();
            }
            ROEdge *edge = myNet->getEdge(lane.substr(0, lane.rfind('_')));
            unsigned int laneIndex = TplConvertSec<char>::_2intSec(lane.substr(lane.rfind('_')+1).c_str(), INT_MAX);
            if (edge == 0 || laneIndex >= edge->getLaneNo()) {
                throw ProcessError("Unknown lane '" + lane + "' for detector '" + id + "' in '" + getFileName() + "'.");
            }
            SUMOReal pos = attrs.getSUMORealReporting(SUMO_ATTR_POSITION, "detector_definition", id.c_str(), ok);
            std::string mml_type = attrs.getOptStringReporting(SUMO_ATTR_TYPE, "detector_definition", id.c_str(), ok, "");
            if (!ok) {
                throw ProcessError();
            }
            RODFDetectorType type = TYPE_NOT_DEFINED;
            if (mml_type=="between") {
                type = BETWEEN_DETECTOR;
            } else if (mml_type=="source"||mml_type=="highway_source") { // !!! highway-source is legacy (removed accoring output on 06.08.2007)
                type = SOURCE_DETECTOR;
            } else if (mml_type=="sink") {
                type = SINK_DETECTOR;
            }
            RODFDetector *detector = new RODFDetector(id, lane, pos, type);
            if (!myContainer.addDetector(detector)) {
                delete detector;
                throw ProcessError("Could not add detector '" + id + "' (probably the id is already used).");
            }
        } catch (ProcessError e) {
            if (myIgnoreErrors) {
                MsgHandler::getWarningInstance()->inform(e.what());
            } else {
                throw e;
            }
        }
    }
}



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