C++ SUMOSAXAttributes::getIntReporting方法代码示例

void
NIImporter_SUMO::addConnection(const SUMOSAXAttributes& attrs) {
    bool ok = true;
    std::string fromID = attrs.getStringReporting(SUMO_ATTR_FROM, 0, ok);
    if (myEdges.count(fromID) == 0) {
        WRITE_ERROR("Unknown edge '" + fromID + "' given in connection.");
        return;
    }
    EdgeAttrs* from = myEdges[fromID];
    Connection conn;
    conn.toEdgeID = attrs.getStringReporting(SUMO_ATTR_TO, 0, ok);
    unsigned int fromLaneIdx = attrs.getIntReporting(SUMO_ATTR_FROM_LANE, 0, ok);
    conn.toLaneIdx = attrs.getIntReporting(SUMO_ATTR_TO_LANE, 0, ok);
    conn.tlID = attrs.getOptStringReporting(SUMO_ATTR_TLID, 0, ok, "");
    conn.mayDefinitelyPass = false; // (attrs.getStringReporting(SUMO_ATTR_STATE, 0, ok, "") == "M");
    if (conn.tlID != "") {
        conn.tlLinkNo = attrs.getIntReporting(SUMO_ATTR_TLLINKINDEX, 0, ok);
    }

    if (from->lanes.size() <= (size_t) fromLaneIdx) {
        WRITE_ERROR("Invalid lane index '" + toString(fromLaneIdx) + "' for connection from '" + fromID + "'.");
        return;
    }
    from->lanes[fromLaneIdx]->connections.push_back(conn);
}

void
NIImporter_SUMO::addConnection(const SUMOSAXAttributes& attrs) {
    bool ok = true;
    std::string fromID = attrs.getStringReporting(SUMO_ATTR_FROM, 0, ok);
    if (myEdges.count(fromID) == 0) {
        WRITE_ERROR("Unknown edge '" + fromID + "' given in connection.");
        return;
    }
    EdgeAttrs* from = myEdges[fromID];
    Connection conn;
    conn.toEdgeID = attrs.getStringReporting(SUMO_ATTR_TO, 0, ok);
    unsigned int fromLaneIdx = attrs.getIntReporting(SUMO_ATTR_FROM_LANE, 0, ok);
    conn.toLaneIdx = attrs.getIntReporting(SUMO_ATTR_TO_LANE, 0, ok);
    conn.tlID = attrs.getOptStringReporting(SUMO_ATTR_TLID, 0, ok, "");
    conn.mayDefinitelyPass = attrs.getOptBoolReporting(SUMO_ATTR_PASS, 0, ok, false);
    const size_t suffixSize = NBRampsComputer::ADDED_ON_RAMP_EDGE.size();
    if (!conn.mayDefinitelyPass && conn.toEdgeID.size() > suffixSize &&
            conn.toEdgeID.substr(conn.toEdgeID.size() - suffixSize) == NBRampsComputer::ADDED_ON_RAMP_EDGE) {
        WRITE_MESSAGE("Infering connection attribute pass=\"1\" from to-edge id '" + conn.toEdgeID + "'");
        conn.mayDefinitelyPass = true;
    }
    if (conn.tlID != "") {
        conn.tlLinkNo = attrs.getIntReporting(SUMO_ATTR_TLLINKINDEX, 0, ok);
    }

    if (from->lanes.size() <= (size_t) fromLaneIdx) {
        WRITE_ERROR("Invalid lane index '" + toString(fromLaneIdx) + "' for connection from '" + fromID + "'.");
        return;
    }
    from->lanes[fromLaneIdx]->connections.push_back(conn);
}

void
NIImporter_OpenStreetMap::NodesHandler::myStartElement(int element, const SUMOSAXAttributes& attrs) {
    ++myHierarchyLevel;
    if (element == SUMO_TAG_NODE) {
        bool ok = true;
        if (myHierarchyLevel != 2) {
            WRITE_ERROR("Node element on wrong XML hierarchy level (id='" + toString(attrs.getIntReporting(SUMO_ATTR_ID, 0, ok)) + "', level='" + toString(myHierarchyLevel) + "').");
            return;
        }
        int id = attrs.getIntReporting(SUMO_ATTR_ID, 0, ok);
        std::string action = attrs.hasAttribute("action") ? attrs.getStringSecure("action", "") : "";
        if (action == "delete") {
            return;
        }
        if (!ok) {
            return;
        }
        myLastNodeID = -1;
        if (myToFill.find(id) == myToFill.end()) {
            myLastNodeID = id;
            // assume we are loading multiple files...
            //  ... so we won't report duplicate nodes
            bool ok = true;
            double tlat, tlon;
            std::istringstream lon(attrs.getStringReporting(SUMO_ATTR_LON, toString(id).c_str(), ok));
            if (!ok) {
                return;
            }
            lon >> tlon;
            if (lon.fail()) {
                WRITE_ERROR("Node's '" + toString(id) + "' lon information is not numeric.");
                return;
            }
            std::istringstream lat(attrs.getStringReporting(SUMO_ATTR_LAT, toString(id).c_str(), ok));
            if (!ok) {
                return;
            }
            lat >> tlat;
            if (lat.fail()) {
                WRITE_ERROR("Node's '" + toString(id) + "' lat information is not numeric.");
                return;
            }
            NIOSMNode* toAdd = new NIOSMNode();
            toAdd->id = id;
            toAdd->tlsControlled = false;
            toAdd->lat = tlat;
            toAdd->lon = tlon;
            myIsInValidNodeTag = true;

            std::set<NIOSMNode*, CompareNodes>::iterator similarNode = myUniqueNodes.find(toAdd);
            if (similarNode == myUniqueNodes.end()) {
                myUniqueNodes.insert(toAdd);
            } else {
                delete toAdd;
                toAdd = *similarNode; 
                WRITE_MESSAGE("Found duplicate nodes. Substituting " + toString(id) + " with " + toString(toAdd->id));
            }
            myToFill[id] = toAdd;
        }

void
NIXMLTrafficLightsHandler::removeTlConnection(const SUMOSAXAttributes& attrs) {
    bool ok = true;
    std::string tlID = attrs.getStringReporting(SUMO_ATTR_TLID, 0, ok);
    // does the traffic light still exist?
    const std::map<std::string, NBTrafficLightDefinition*>& programs = myTLLCont.getPrograms(tlID);
    if (programs.size() > 0) {
        // parse identifying attributes
        NBEdge* from = retrieveEdge(attrs, SUMO_ATTR_FROM, ok);
        NBEdge* to = retrieveEdge(attrs, SUMO_ATTR_TO, ok);
        if (!ok) {
            return;
        }
        int fromLane = retrieveLaneIndex(attrs, SUMO_ATTR_FROM_LANE, from, ok);
        int toLane = retrieveLaneIndex(attrs, SUMO_ATTR_TO_LANE, to, ok);
        if (!ok) {
            return;
        }
        int tlIndex = attrs.getIntReporting(SUMO_ATTR_TLLINKINDEX, 0, ok);

        NBConnection conn(from, fromLane, to, toLane, tlIndex);
        // remove the connection from all definitions
        std::map<std::string, NBTrafficLightDefinition*>::const_iterator it;
        for (it = programs.begin(); it != programs.end(); it++) {
            NBLoadedSUMOTLDef* tlDef = dynamic_cast<NBLoadedSUMOTLDef*>(it->second);
            if (tlDef) {
                tlDef->removeConnection(conn, false);
            } else {
                throw ProcessError("Corrupt traffic light definition '"
                                   + tlID + "' (program '" + it->first + "')");
            }
        }
    }
}

void
AGActivityGenHandler::parseStation(const SUMOSAXAttributes& attrs) {
    if (myCurrentObject != "busLine") {
        return;
    }

    try {
        bool ok = true;
        int refID = attrs.getIntReporting(SUMO_ATTR_REFID, myCurrentObject.c_str(), ok);
        if (!ok) {
            throw ProcessError();
        }
        if (!isRevStation) {
            currentBusLine->locateStation(myCity.statData.busStations.find(refID)->second);
        } else {
            currentBusLine->locateRevStation(myCity.statData.busStations.find(refID)->second);
        }

    } catch (const exception& e) {
        WRITE_ERROR("Error while parsing the element " +
                    SUMOXMLDefinitions::Tags.getString(AGEN_TAG_STATION) + ": " +
                    e.what());
        throw ProcessError();
    }
}

void
NIXMLEdgesHandler::addLane(const SUMOSAXAttributes& attrs) {
    if (myCurrentEdge == 0) {
        if (!OptionsCont::getOptions().isInStringVector("remove-edges.explicit", myCurrentID)) {
            WRITE_ERROR("Additional lane information could not be set - the edge with id '" + myCurrentID + "' is not known.");
        }
        return;
    }
    bool ok = true;
    int lane;
    if (attrs.hasAttribute(SUMO_ATTR_ID)) {
        lane = attrs.getIntReporting(SUMO_ATTR_ID, myCurrentID.c_str(), ok);
        if (!myHaveWarnedAboutDeprecatedLaneId) {
            myHaveWarnedAboutDeprecatedLaneId = true;
            WRITE_WARNING("'" + toString(SUMO_ATTR_ID) + "' is deprecated, please use '" + toString(SUMO_ATTR_INDEX) + "' instead.");
        }
    } else {
        lane = attrs.getIntReporting(SUMO_ATTR_INDEX, myCurrentID.c_str(), ok);
    }
    std::string allowed, disallowed, preferred;
    allowed    = attrs.getOptStringReporting(SUMO_ATTR_ALLOW, 0, ok, "");
    disallowed = attrs.getOptStringReporting(SUMO_ATTR_DISALLOW, 0, ok, "");
    preferred  = attrs.getOptStringReporting(SUMO_ATTR_PREFER, 0, ok, "");
    if (!ok) {
        return;
    }
    // check whether this lane exists
    if (lane >= (int) myCurrentEdge->getNumLanes()) {
        WRITE_ERROR("Lane index is larger than number of lanes (edge '" + myCurrentID + "').");
        return;
    }
    // set information about allowed / disallowed vehicle classes
    myCurrentEdge->setPermissions(parseVehicleClasses(allowed, disallowed), lane);
    myCurrentEdge->setPreferredVehicleClass(parseVehicleClasses(preferred), lane);
    // try to get the width
    if (attrs.hasAttribute(SUMO_ATTR_WIDTH)) {
        myCurrentEdge->setWidth(lane, attrs.getSUMORealReporting(SUMO_ATTR_WIDTH, myCurrentID.c_str(), ok));
    }
    // try to get the end-offset (lane shortened due to pedestrian crossing etc..)
    if (attrs.hasAttribute(SUMO_ATTR_ENDOFFSET)) {
        myCurrentEdge->setOffset(lane, attrs.getSUMORealReporting(SUMO_ATTR_ENDOFFSET, myCurrentID.c_str(), ok));
    }
    // try to get lane specific speed (should not occur for german networks)
    if (attrs.hasAttribute(SUMO_ATTR_SPEED)) {
        myCurrentEdge->setSpeed(lane, attrs.getSUMORealReporting(SUMO_ATTR_SPEED, myCurrentID.c_str(), ok));
    }
}

int
NIXMLTrafficLightsHandler::retrieveLaneIndex(
    const SUMOSAXAttributes& attrs, SumoXMLAttr attr, NBEdge* edge, bool& ok) {
    int laneIndex = attrs.getIntReporting(attr, 0, ok);
    if (edge->getNumLanes() <= (size_t) laneIndex) {
        WRITE_ERROR("Invalid lane index '" + toString(laneIndex) + "' for edge '" + edge->getID() + "'.");
        ok = false;
    }
    return laneIndex;
}

void
NIImporter_SUMO::addSuccLane(const SUMOSAXAttributes& attrs) {
    if (myCurrentLane == 0) {
        WRITE_ERROR("Found succlane outside succ element");
        return;
    }
    bool ok = true;
    Connection conn;
    std::string laneID = attrs.getStringReporting(SUMO_ATTR_LANE, 0, ok);
    if (laneID == "SUMO_NO_DESTINATION") { // legacy check
        // deprecated
        return;
    }
    interpretLaneID(laneID, conn.toEdgeID, conn.toLaneIdx);
    conn.tlID = attrs.getOptStringReporting(SUMO_ATTR_TLID, 0, ok, "");
    conn.mayDefinitelyPass = false; // (attrs.getStringReporting(SUMO_ATTR_STATE, 0, ok, "") == "M");
    if (conn.tlID != "") {
        conn.tlLinkNo = attrs.hasAttribute(SUMO_ATTR_TLLINKINDEX)
                        ? attrs.getIntReporting(SUMO_ATTR_TLLINKINDEX, 0, ok)
                        : attrs.getIntReporting(SUMO_ATTR_TLLINKNO__DEPRECATED, 0, ok);
    }
    myCurrentLane->connections.push_back(conn);
}

void
MSRouteHandler::addStop(const SUMOSAXAttributes& attrs) {
    bool ok = true;
    std::string errorSuffix;
    if (myActiveRouteID != "") {
        errorSuffix = " in route '" + myActiveRouteID + "'.";
    } else if (myActivePlan) {
        errorSuffix = " in person '" + myVehicleParameter->id + "'.";
    } else {
        errorSuffix = " in vehicle '" + myVehicleParameter->id + "'.";
    }
    SUMOVehicleParameter::Stop stop;
    // try to parse the assigned bus stop
    if (attrs.hasAttribute(SUMO_ATTR_BUS_STOP__DEPRECATED)) {
        stop.busstop = attrs.getStringReporting(SUMO_ATTR_BUS_STOP__DEPRECATED, 0, ok);
        if (!myHaveWarnedAboutDeprecatedBusStop) {
            myHaveWarnedAboutDeprecatedBusStop = true;
            WRITE_WARNING("'bus_stop' is deprecated, please use 'busStop' instead.");
        }
    } else {
        stop.busstop = attrs.getOptStringReporting(SUMO_ATTR_BUS_STOP, 0, ok, "");
    }
    if (stop.busstop != "") {
        // ok, we have obviously a bus stop
        MSBusStop* bs = MSNet::getInstance()->getBusStop(stop.busstop);
        if (bs != 0) {
            const MSLane& l = bs->getLane();
            stop.lane = l.getID();
            stop.endPos = bs->getEndLanePosition();
            stop.startPos = bs->getBeginLanePosition();
        } else {
            WRITE_ERROR("The bus stop '" + stop.busstop + "' is not known" + errorSuffix);
            return;
        }
    } else {
        // no, the lane and the position should be given
        // get the lane
        stop.lane = attrs.getOptStringReporting(SUMO_ATTR_LANE, 0, ok, "");
        if (ok && stop.lane != "") {
            if (MSLane::dictionary(stop.lane) == 0) {
                WRITE_ERROR("The lane '" + stop.lane + "' for a stop is not known" + errorSuffix);
                return;
            }
        } else {
            WRITE_ERROR("A stop must be placed on a bus stop or a lane" + errorSuffix);
            return;
        }
        if (myActivePlan &&
                !myActivePlan->empty() &&
                &myActivePlan->back()->getDestination() != &MSLane::dictionary(stop.lane)->getEdge()) {
            throw ProcessError("Disconnected plan for person '" + myVehicleParameter->id + "' (" + MSLane::dictionary(stop.lane)->getEdge().getID() + "!=" + myActivePlan->back()->getDestination().getID() + ").");
        }
        stop.endPos = attrs.getOptSUMORealReporting(SUMO_ATTR_ENDPOS, 0, ok, MSLane::dictionary(stop.lane)->getLength());
        if (attrs.hasAttribute(SUMO_ATTR_POSITION)) {
            WRITE_WARNING("Deprecated attribute 'pos' in description of stop" + errorSuffix);
            stop.endPos = attrs.getOptSUMORealReporting(SUMO_ATTR_POSITION, 0, ok, stop.endPos);
        }
        stop.startPos = attrs.getOptSUMORealReporting(SUMO_ATTR_STARTPOS, 0, ok, stop.endPos - 2 * POSITION_EPS);
        if (attrs.hasAttribute(SUMO_ATTR_FRIENDLY_POS__DEPRECATED) && !myHaveWarnedAboutDeprecatedFriendlyPos) {
            myHaveWarnedAboutDeprecatedFriendlyPos = true;
            WRITE_WARNING("'" + toString(SUMO_ATTR_FRIENDLY_POS__DEPRECATED) + "' is deprecated, use '" + toString(SUMO_ATTR_FRIENDLY_POS) + "' instead.");
        }
        bool friendlyPos = attrs.hasAttribute(SUMO_ATTR_FRIENDLY_POS__DEPRECATED)
                           ? attrs.getOptBoolReporting(SUMO_ATTR_FRIENDLY_POS__DEPRECATED, 0, ok, false)
                           : attrs.getOptBoolReporting(SUMO_ATTR_FRIENDLY_POS, 0, ok, false);
        if (!ok || !checkStopPos(stop.startPos, stop.endPos, MSLane::dictionary(stop.lane)->getLength(), POSITION_EPS, friendlyPos)) {
            WRITE_ERROR("Invalid start or end position for stop" + errorSuffix);
            return;
        }
    }

    // get the standing duration
    if (!attrs.hasAttribute(SUMO_ATTR_DURATION) && !attrs.hasAttribute(SUMO_ATTR_UNTIL)) {
        stop.triggered = attrs.getOptBoolReporting(SUMO_ATTR_TRIGGERED, 0, ok, true);
        stop.duration = -1;
        stop.until = -1;
    } else {
        stop.duration = attrs.getOptSUMOTimeReporting(SUMO_ATTR_DURATION, 0, ok, -1);
        stop.until = attrs.getOptSUMOTimeReporting(SUMO_ATTR_UNTIL, 0, ok, -1);
        if (!ok || (stop.duration < 0 && stop.until < 0)) {
            WRITE_ERROR("Invalid duration or end time is given for a stop" + errorSuffix);
            return;
        }
        stop.triggered = attrs.getOptBoolReporting(SUMO_ATTR_TRIGGERED, 0, ok, false);
    }
    stop.parking = attrs.getOptBoolReporting(SUMO_ATTR_PARKING, 0, ok, stop.triggered);
    if (!ok) {
        WRITE_ERROR("Invalid bool for 'triggered' or 'parking' for stop" + errorSuffix);
        return;
    }
    const std::string idx = attrs.getOptStringReporting(SUMO_ATTR_INDEX, 0, ok, "end");
    if (idx == "end") {
        stop.index = STOP_INDEX_END;
    } else if (idx == "fit") {
        stop.index = STOP_INDEX_FIT;
    } else {
        stop.index = attrs.getIntReporting(SUMO_ATTR_INDEX, 0, ok);
        if (!ok || stop.index < 0) {
            WRITE_ERROR("Invalid 'index' for stop" + errorSuffix);
            return;
//.........这里部分代码省略.........

void
NIXMLEdgesHandler::addEdge(const SUMOSAXAttributes& attrs) {
    myIsUpdate = false;
    bool ok = true;
    // initialise the edge
    myCurrentEdge = 0;
    mySplits.clear();
    // get the id, report an error if not given or empty...
    myCurrentID = attrs.getStringReporting(SUMO_ATTR_ID, 0, ok);
    if (!ok) {
        return;
    }
    myCurrentEdge = myEdgeCont.retrieve(myCurrentID);
    // check deprecated (unused) attributes
    // use default values, first
    myCurrentSpeed = myTypeCont.getSpeed("");
    myCurrentPriority = myTypeCont.getPriority("");
    myCurrentLaneNo = myTypeCont.getNumLanes("");
    myPermissions = myTypeCont.getPermissions("");
    myCurrentWidth = myTypeCont.getWidth("");
    myCurrentOffset = NBEdge::UNSPECIFIED_OFFSET;
    myCurrentType = "";
    myShape = PositionVector();
    myLanesSpread = LANESPREAD_RIGHT;
    myLength = NBEdge::UNSPECIFIED_LOADED_LENGTH;
    myCurrentStreetName = "";
    myReinitKeepEdgeShape = false;
    // check whether a type's values shall be used
    if (attrs.hasAttribute(SUMO_ATTR_TYPE)) {
        myCurrentType = attrs.getStringReporting(SUMO_ATTR_TYPE, myCurrentID.c_str(), ok);
        if (!ok) {
            return;
        }
        if (!myTypeCont.knows(myCurrentType)) {
            WRITE_ERROR("Type '" + myCurrentType + "' used by edge '" + myCurrentID + "' was not defined.");
            return;
        }
        myCurrentSpeed = myTypeCont.getSpeed(myCurrentType);
        myCurrentPriority = myTypeCont.getPriority(myCurrentType);
        myCurrentLaneNo = myTypeCont.getNumLanes(myCurrentType);
        myPermissions = myTypeCont.getPermissions(myCurrentType);
        myCurrentWidth = myTypeCont.getWidth(myCurrentType);
    }
    // use values from the edge to overwrite if existing, then
    if (myCurrentEdge != 0) {
        myIsUpdate = true;
        if (!myHaveReportedAboutOverwriting) {
            WRITE_MESSAGE("Duplicate edge id occured ('" + myCurrentID + "'); assuming overwriting is wished.");
            myHaveReportedAboutOverwriting = true;
        }
        if (attrs.getOptBoolReporting(SUMO_ATTR_REMOVE, myCurrentID.c_str(), ok, false)) {
            myEdgeCont.erase(myDistrictCont, myCurrentEdge);
            myCurrentEdge = 0;
            return;
        }
        myCurrentSpeed = myCurrentEdge->getSpeed();
        myCurrentPriority = myCurrentEdge->getPriority();
        myCurrentLaneNo = myCurrentEdge->getNumLanes();
        myCurrentType = myCurrentEdge->getTypeID();
        myPermissions = myCurrentEdge->getPermissions();
        if (!myCurrentEdge->hasDefaultGeometry()) {
            myShape = myCurrentEdge->getGeometry();
            myReinitKeepEdgeShape = true;
        }
        myCurrentWidth = myCurrentEdge->getWidth();
        myCurrentOffset = myCurrentEdge->getOffset();
        myLanesSpread = myCurrentEdge->getLaneSpreadFunction();
        if (myCurrentEdge->hasLoadedLength()) {
            myLength = myCurrentEdge->getLoadedLength();
        }
        myCurrentStreetName = myCurrentEdge->getStreetName();
    }
    // speed, priority and the number of lanes have now default values;
    // try to read the real values from the file
    if (attrs.hasAttribute(SUMO_ATTR_SPEED)) {
        myCurrentSpeed = attrs.getSUMORealReporting(SUMO_ATTR_SPEED, myCurrentID.c_str(), ok);
    }
    if (myOptions.getBool("speed-in-kmh")) {
        myCurrentSpeed = myCurrentSpeed / (SUMOReal) 3.6;
    }
    // try to get the number of lanes
    if (attrs.hasAttribute(SUMO_ATTR_NUMLANES)) {
        myCurrentLaneNo = attrs.getIntReporting(SUMO_ATTR_NUMLANES, myCurrentID.c_str(), ok);
    }
    // try to get the priority
    if (attrs.hasAttribute(SUMO_ATTR_PRIORITY)) {
        myCurrentPriority = attrs.getIntReporting(SUMO_ATTR_PRIORITY, myCurrentID.c_str(), ok);
    }
    // try to get the width
    if (attrs.hasAttribute(SUMO_ATTR_WIDTH)) {
        myCurrentWidth = attrs.getSUMORealReporting(SUMO_ATTR_WIDTH, myCurrentID.c_str(), ok);
    }
    // try to get the width
    if (attrs.hasAttribute(SUMO_ATTR_ENDOFFSET)) {
        myCurrentOffset = attrs.getSUMORealReporting(SUMO_ATTR_ENDOFFSET, myCurrentID.c_str(), ok);
    }
    // try to get the street name
    myCurrentStreetName = attrs.getOptStringReporting(SUMO_ATTR_NAME, myCurrentID.c_str(), ok, myCurrentStreetName);

    // try to get the allowed/disallowed classes
//.........这里部分代码省略.........

void
NIImporter_OpenDrive::myStartElement(SumoXMLTag element,
                                     const SUMOSAXAttributes &attrs) throw(ProcessError) {
    bool ok = true;
    switch (element) {
    case SUMO_TAG_OPENDRIVE_HEADER: {
        int majorVersion = attrs.getIntReporting(SUMO_ATTR_OPENDRIVE_REVMAJOR, "opendrive header", 0, ok);
        int minorVersion = attrs.getIntReporting(SUMO_ATTR_OPENDRIVE_REVMINOR, "opendrive header", 0, ok);
        if (majorVersion!=1||minorVersion!=2) {
            MsgHandler::getWarningInstance()->inform("Given openDrive file '" + getFileName() + "' uses version " + toString(majorVersion) + "." + toString(minorVersion) + ";\n Version 1.2 is supported.");
        }
    }
    break;
    case SUMO_TAG_OPENDRIVE_ROAD: {
        std::string id =
            attrs.hasAttribute(SUMO_ATTR_OPENDRIVE_ID)
            ? attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_ID, "road", 0, ok)
            : attrs.getStringReporting(SUMO_ATTR_ID, "road", 0, ok);
        std::cout << "found edge '" << id << "'" << std::endl;
        std::string junction = attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_JUNCTION, "road", id.c_str(), ok);
        SUMOReal length = attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_LENGTH, "road", id.c_str(), ok);
        myCurrentEdge = OpenDriveEdge(id, junction, length);
    }
    break;
    case SUMO_TAG_OPENDRIVE_PREDECESSOR: {
        if (myElementStack.size()>=2&&myElementStack[myElementStack.size()-2]==SUMO_TAG_OPENDRIVE_ROAD) {
            std::string elementType = attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_ELEMENTTYPE, "predecessor", myCurrentEdge.id.c_str(), ok);
            std::string elementID = attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_ELEMENTID, "predecessor", myCurrentEdge.id.c_str(), ok);
            std::string contactPoint = attrs.hasAttribute(SUMO_ATTR_OPENDRIVE_CONTACTPOINT)
                                       ? attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_CONTACTPOINT, "predecessor", myCurrentEdge.id.c_str(), ok)
                                       : "end";
            addLink(OPENDRIVE_LT_PREDECESSOR, elementType, elementID, contactPoint);
        }
        if (myElementStack.size()>=2&&myElementStack[myElementStack.size()-2]==SUMO_TAG_OPENDRIVE_LANE||myElementStack[myElementStack.size()-2]==SUMO_TAG_LANE) { // !!!
            int no = attrs.getIntReporting(SUMO_ATTR_ID, "predecessor", myCurrentEdge.id.c_str(), ok);
            OpenDriveLane &l = myCurrentEdge.laneSections[myCurrentEdge.laneSections.size()-1].lanesByDir[myCurrentLaneDirection].back();
            l.predecessor = no;
        }
    }
    break;
    case SUMO_TAG_OPENDRIVE_SUCCESSOR: {
        if (myElementStack.size()>=2&&myElementStack[myElementStack.size()-2]==SUMO_TAG_OPENDRIVE_ROAD) {
            std::string elementType = attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_ELEMENTTYPE, "successor", myCurrentEdge.id.c_str(), ok);
            std::string elementID = attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_ELEMENTID, "successor", myCurrentEdge.id.c_str(), ok);
            std::string contactPoint = attrs.hasAttribute(SUMO_ATTR_OPENDRIVE_CONTACTPOINT)
                                       ? attrs.getStringReporting(SUMO_ATTR_OPENDRIVE_CONTACTPOINT, "successor", myCurrentEdge.id.c_str(), ok)
                                       : "start";
            addLink(OPENDRIVE_LT_SUCCESSOR, elementType, elementID, contactPoint);
        }
        if (myElementStack.size()>=2&&myElementStack[myElementStack.size()-2]==SUMO_TAG_OPENDRIVE_LANE||myElementStack[myElementStack.size()-2]==SUMO_TAG_LANE) { // !!!
            int no = attrs.getIntReporting(SUMO_ATTR_ID, "predecessor", myCurrentEdge.id.c_str(), ok);
            OpenDriveLane &l = myCurrentEdge.laneSections[myCurrentEdge.laneSections.size()-1].lanesByDir[myCurrentLaneDirection].back();
            l.successor = no;
        }
    }
    break;
    case SUMO_TAG_OPENDRIVE_GEOMETRY: {
        SUMOReal length = attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_LENGTH, "geometry", myCurrentEdge.id.c_str(), ok);
        SUMOReal s = attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_S, "geometry", myCurrentEdge.id.c_str(), ok);
        SUMOReal x = attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_X, "geometry", myCurrentEdge.id.c_str(), ok);
        SUMOReal y = attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_Y, "geometry", myCurrentEdge.id.c_str(), ok);
        SUMOReal hdg = attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_HDG, "geometry", myCurrentEdge.id.c_str(), ok);
        myCurrentEdge.geometries.push_back(OpenDriveGeometry(length, s, x, y, hdg));
    }
    break;
    case SUMO_TAG_OPENDRIVE_LINE: {
        std::vector<SUMOReal> vals;
        addGeometryShape(OPENDRIVE_GT_LINE, vals);
    }
    break;
    case SUMO_TAG_OPENDRIVE_SPIRAL: {
        std::vector<SUMOReal> vals;
        vals.push_back(attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_CURVSTART, "spiral", myCurrentEdge.id.c_str(), ok));
        vals.push_back(attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_CURVEND, "spiral", myCurrentEdge.id.c_str(), ok));
        addGeometryShape(OPENDRIVE_GT_SPIRAL, vals);
    }
    break;
    case SUMO_TAG_OPENDRIVE_ARC: {
        std::vector<SUMOReal> vals;
        vals.push_back(attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_CURVATURE, "arc", myCurrentEdge.id.c_str(), ok));
        addGeometryShape(OPENDRIVE_GT_ARC, vals);
    }
    break;
    case SUMO_TAG_OPENDRIVE_POLY3: {
        std::vector<SUMOReal> vals;
        vals.push_back(attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_A, "poly3", myCurrentEdge.id.c_str(), ok));
        vals.push_back(attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_B, "poly3", myCurrentEdge.id.c_str(), ok));
        vals.push_back(attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_C, "poly3", myCurrentEdge.id.c_str(), ok));
        vals.push_back(attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_D, "poly3", myCurrentEdge.id.c_str(), ok));
        addGeometryShape(OPENDRIVE_GT_POLY3, vals);
    }
    break;
    case SUMO_TAG_OPENDRIVE_LANESECTION: {
        SUMOReal s = attrs.getSUMORealReporting(SUMO_ATTR_OPENDRIVE_S, "geometry", myCurrentEdge.id.c_str(), ok);
        myCurrentEdge.laneSections.push_back(OpenDriveLaneSection(s));
    }
    break;
    case SUMO_TAG_OPENDRIVE_LEFT:
    case SUMO_TAG_OPENDRIVE_CENTER:
    case SUMO_TAG_OPENDRIVE_RIGHT:
//.........这里部分代码省略.........

void
NIXMLEdgesHandler::myStartElement(SumoXMLTag element,
                                  const SUMOSAXAttributes &attrs) throw(ProcessError) {
    if (element==SUMO_TAG_EDGE) {
        myIsUpdate = false;
        bool ok = true;
        // initialise the edge
        myCurrentEdge = 0;
        mySplits.clear();
        // get the id, report an error if not given or empty...
        if (!attrs.setIDFromAttributes("edge", myCurrentID)) {
            return;
        }
        myCurrentEdge = myEdgeCont.retrieve(myCurrentID);
        // check deprecated (unused) attributes
        if (!myHaveReportedAboutFunctionDeprecation&&attrs.hasAttribute(SUMO_ATTR_FUNCTION)) {
            MsgHandler::getWarningInstance()->inform("While parsing edge '" + myCurrentID + "': 'function' is deprecated.\n All occurences are ignored.");
            myHaveReportedAboutFunctionDeprecation = true;
        }
        // use default values, first
        myCurrentSpeed = myTypeCont.getDefaultSpeed();
        myCurrentPriority = myTypeCont.getDefaultPriority();
        myCurrentLaneNo = myTypeCont.getDefaultNoLanes();
        // use values from the edge to overwrite if existing, then
        if (myCurrentEdge!=0) {
            myIsUpdate = true;
            if (!myHaveReportedAboutOverwriting) {
                MsgHandler::getMessageInstance()->inform("Duplicate edge id occured ('" + myCurrentID + "'); assuming overwriting is wished.");
                myHaveReportedAboutOverwriting = true;
            }
            myCurrentSpeed = myCurrentEdge->getSpeed();
            myCurrentPriority = myCurrentEdge->getPriority();
            myCurrentLaneNo = myCurrentEdge->getNoLanes();
            myCurrentType = myCurrentEdge->getTypeID();
        }
        // check whether a type's values shall be used
        myCurrentType = "";
        if (attrs.hasAttribute(SUMO_ATTR_TYPE)) {
            myCurrentType = attrs.getStringReporting(SUMO_ATTR_TYPE, "edge", myCurrentID.c_str(), ok);
            if (!ok) {
                return;
            }
            if (!myTypeCont.knows(myCurrentType)) {
                MsgHandler::getErrorInstance()->inform("Type '" + myCurrentType + "' used by edge '" + myCurrentID + "' was not defined.");
                return;
            }
            myCurrentSpeed = myTypeCont.getSpeed(myCurrentType);
            myCurrentPriority = myTypeCont.getPriority(myCurrentType);
            myCurrentLaneNo = myTypeCont.getNoLanes(myCurrentType);
        }
        // speed, priority and the number of lanes have now default values;
        // try to read the real values from the file
        if (attrs.hasAttribute(SUMO_ATTR_SPEED)) {
            myCurrentSpeed = attrs.getSUMORealReporting(SUMO_ATTR_SPEED, "edge", myCurrentID.c_str(), ok);
        }
        if (myOptions.getBool("speed-in-kmh")) {
            myCurrentSpeed = myCurrentSpeed / (SUMOReal) 3.6;
        }
        // try to get the number of lanes
        if (attrs.hasAttribute(SUMO_ATTR_NOLANES)) {
            myCurrentLaneNo = attrs.getIntReporting(SUMO_ATTR_NOLANES, "edge", myCurrentID.c_str(), ok);
        }
        // try to get the priority
        if (attrs.hasAttribute(SUMO_ATTR_PRIORITY)) {
            myCurrentPriority = attrs.getIntReporting(SUMO_ATTR_PRIORITY, "edge", myCurrentID.c_str(), ok);
        }

        // try to get the shape
        myShape = tryGetShape(attrs);
        // and how to spread the lanes
        if (attrs.getOptStringReporting(SUMO_ATTR_SPREADFUNC, "edge", myCurrentID.c_str(), ok, "")=="center") {
            myLanesSpread = NBEdge::LANESPREAD_CENTER;
        } else {
            myLanesSpread = NBEdge::LANESPREAD_RIGHT;
        }
        // try to set the nodes
        if (!setNodes(attrs)) {
            // return if this failed
            return;
        }
        // get the length or compute it
        if (attrs.hasAttribute(SUMO_ATTR_LENGTH)) {
            myLength = attrs.getSUMORealReporting(SUMO_ATTR_LENGTH, "edge", myCurrentID.c_str(), ok);
        } else {
            myLength = 0;
        }
        /// insert the parsed edge into the edges map
        if (!ok) {
            return;
        }
        // check whether a previously defined edge shall be overwritten
        if (myCurrentEdge!=0) {
            myCurrentEdge->reinit(myFromNode, myToNode, myCurrentType, myCurrentSpeed,
                                  myCurrentLaneNo, myCurrentPriority, myShape,
                                  myLanesSpread);
        } else {
            // the edge must be allocated in dependence to whether a shape is given
            if (myShape.size()==0) {
                myCurrentEdge = new NBEdge(myCurrentID, myFromNode, myToNode, myCurrentType, myCurrentSpeed,
                                           myCurrentLaneNo, myCurrentPriority, myLanesSpread);
//.........这里部分代码省略.........