Line data    Source code

       1              : /****************************************************************************/
       2              : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
       3              : // Copyright (C) 2002-2026 German Aerospace Center (DLR) and others.
       4              : // This program and the accompanying materials are made available under the
       5              : // terms of the Eclipse Public License 2.0 which is available at
       6              : // https://www.eclipse.org/legal/epl-2.0/
       7              : // This Source Code may also be made available under the following Secondary
       8              : // Licenses when the conditions for such availability set forth in the Eclipse
       9              : // Public License 2.0 are satisfied: GNU General Public License, version 2
      10              : // or later which is available at
      11              : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
      12              : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
      13              : /****************************************************************************/
      14              : /// @file    SUMORouteLoader.cpp
      15              : /// @author  Daniel Krajzewicz
      16              : /// @author  Michael Behrisch
      17              : /// @date    Wed, 6 Nov 2002
      18              : ///
      19              : // A class that performs the loading of routes
      20              : /****************************************************************************/
      21              : #include <config.h>
      22              : 
      23              : #include <utils/xml/SUMOSAXReader.h>
      24              : #include <utils/xml/XMLSubSys.h>
      25              : #include <utils/common/Translation.h>
      26              : #include "SUMORouteHandler.h"
      27              : #include "SUMORouteLoader.h"
      28              : 
      29              : 
      30              : // ===========================================================================
      31              : // method definitions
      32              : // ===========================================================================
      33        38297 : SUMORouteLoader::SUMORouteLoader(SUMORouteHandler* handler)
      34        38297 :     : myParser(nullptr), myMoreAvailable(true), myHandler(handler) {
      35        38297 :     myParser = XMLSubSys::getSAXReader(*myHandler, false, true);
      36       114891 :     if (!myParser->parseFirst(myHandler->getFileName())) {
      37            0 :         throw ProcessError(TLF("Can not read XML-file '%'.", myHandler->getFileName()));
      38              :     }
      39        38297 : }
      40              : 
      41              : 
      42        37852 : SUMORouteLoader::~SUMORouteLoader() {
      43        37852 :     delete myParser;
      44        37852 :     delete myHandler;
      45        37852 : }
      46              : 
      47              : 
      48              : SUMOTime
      49        53069 : SUMORouteLoader::loadUntil(SUMOTime time) {
      50              :     // read only when further data is available, no error occurred
      51              :     //  and vehicles may be found in the between the departure time of
      52              :     //  the last read vehicle and the time to read until
      53        53069 :     if (!myMoreAvailable) {
      54              :         return SUMOTime_MAX;
      55              :     }
      56              :     // read vehicles until specified time or the period to read vehicles
      57              :     //  until is reached
      58      3251540 :     while (myHandler->getLastDepart() <= time) {
      59      3235561 :         if (!myParser->parseNext()) {
      60              :             // no data available anymore
      61        35941 :             myMoreAvailable = false;
      62        35941 :             return SUMOTime_MAX;
      63              :         }
      64              :     }
      65        15979 :     return myHandler->getLastDepart();
      66              : }
      67              : 
      68              : 
      69              : bool
      70        52088 : SUMORouteLoader::moreAvailable() const {
      71        52088 :     return myMoreAvailable;
      72              : }
      73              : 
      74              : 
      75              : SUMOTime
      76       101583 : SUMORouteLoader::getFirstDepart() const {
      77       101583 :     return myHandler->getFirstDepart();
      78              : }
      79              : 
      80              : 
      81              : /****************************************************************************/