SUMO - Simulation of Urban MObility
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SUMORouteLoader.cpp
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1 /****************************************************************************/
8 // A class that performs the loading of routes
9 /****************************************************************************/
10 // SUMO, Simulation of Urban MObility; see http://sumo.dlr.de/
11 // Copyright (C) 2002-2015 DLR (http://www.dlr.de/) and contributors
12 /****************************************************************************/
13 //
14 // This file is part of SUMO.
15 // SUMO is free software: you can redistribute it and/or modify
16 // it under the terms of the GNU General Public License as published by
17 // the Free Software Foundation, either version 3 of the License, or
18 // (at your option) any later version.
19 //
20 /****************************************************************************/
21 
22 // ===========================================================================
23 // included modules
24 // ===========================================================================
25 #ifdef _MSC_VER
26 #include <windows_config.h>
27 #else
28 #include <config.h>
29 #endif
30 
33 #include <utils/xml/XMLSubSys.h>
34 #include "SUMORouteLoader.h"
35 
36 #ifdef CHECK_MEMORY_LEAKS
37 #include <foreign/nvwa/debug_new.h>
38 #endif // CHECK_MEMORY_LEAKS
39 
40 
41 // ===========================================================================
42 // method definitions
43 // ===========================================================================
45  : myParser(0), myMoreAvailable(true), myHandler(handler) {
48  throw ProcessError("Can not read XML-file '" + myHandler->getFileName() + "'.");
49  }
50 }
51 
52 
54  delete myParser;
55  delete myHandler;
56 }
57 
58 
61  // read only when further data is available, no error occured
62  // and vehicles may be found in the between the departure time of
63  // the last read vehicle and the time to read until
64  if (!myMoreAvailable) {
65  return SUMOTime_MAX;
66  }
67  // read vehicles until specified time or the period to read vehicles
68  // until is reached
69  while (myHandler->getLastDepart() <= time) {
70  if (!myParser->parseNext()) {
71  // no data available anymore
72  myMoreAvailable = false;
73  return SUMOTime_MAX;
74  }
75  }
76  return myHandler->getLastDepart();
77 }
78 
79 
80 bool
82  return myMoreAvailable;
83 }
84 
85 
88  return myHandler->getFirstDepart();
89 }
90 
91 
92 /****************************************************************************/
bool myMoreAvailable
information whether more vehicles should be available
~SUMORouteLoader()
destructor
SUMOTime getFirstDepart() const
returns the first departure time that was ever read
const std::string & getFileName() const
returns the current file name
SUMOTime loadUntil(SUMOTime time)
bool moreAvailable() const
returns the information whether new data is available
static SUMOSAXReader * getSAXReader(SUMOSAXHandler &handler)
Builds a reader and assigns the handler to it.
Definition: XMLSubSys.cpp:102
SUMORouteHandler * myHandler
the used Handler
SUMOTime getFirstDepart() const
returns the first departure time that was ever read
Parser for routes during their loading.
bool parseFirst(std::string systemID)
#define SUMOTime_MAX
Definition: SUMOTime.h:44
int SUMOTime
Definition: SUMOTime.h:43
SUMOSAXReader * myParser
the used SAXReader
SUMOTime getLastDepart() const
Returns the last loaded depart time.
SUMORouteLoader(SUMORouteHandler *handler)
constructor