SUMO - Simulation of Urban MObility
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MSRouteLoader.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.sourceforge.net/
11 // Copyright (C) 2001-2012 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 
31 #include <string>
34 #include <utils/xml/XMLSubSys.h>
35 #include "MSNet.h"
36 #include "MSRouteHandler.h"
37 #include "MSRouteLoader.h"
38 
39 #ifdef CHECK_MEMORY_LEAKS
40 #include <foreign/nvwa/debug_new.h>
41 #endif // CHECK_MEMORY_LEAKS
42 
43 
44 // ===========================================================================
45 // method definitions
46 // ===========================================================================
48  MSRouteHandler* handler)
49  : myParser(0), myMoreAvailable(true), myHandler(handler) {
51 }
52 
53 
55  delete myParser;
56  delete myHandler;
57 }
58 
59 
60 void
62  myMoreAvailable = true;
63  if (!myParser->parseFirst(myHandler->getFileName().c_str(), myToken)) {
64  throw ProcessError("Can not read XML-file '" + myHandler->getFileName() + "'.");
65  }
66 }
67 
68 
69 void
71  // read only when further data is available, no error occured
72  // and vehicles may be found in the between the departure time of
73  // the last read vehicle and the time to read until
74  if (!myMoreAvailable || time <= myHandler->getLastDepart()) {
75  return;
76  }
77 
78  // read vehicles until specified time or the period to read vehicles
79  // until is reached
80  while (myParser->parseNext(myToken)) {
81  // return when the last read vehicle is beyond the period
82  if (time <= myHandler->getLastDepart()) {
83  return;
84  }
85  }
86 
87  // no data are available anymore
88  myMoreAvailable = false;
89  return;
90 }
91 
92 
93 bool
95  return myMoreAvailable;
96 }
97 
98 
99 
100 /****************************************************************************/
101