SUMO - Simulation of Urban MObility
SUMOTime.cpp
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00001 /****************************************************************************/
00009 // Variables, methods, and tools for internal time representation
00010 /****************************************************************************/
00011 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
00012 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors
00013 /****************************************************************************/
00014 //
00015 //   This file is part of SUMO.
00016 //   SUMO is free software: you can redistribute it and/or modify
00017 //   it under the terms of the GNU General Public License as published by
00018 //   the Free Software Foundation, either version 3 of the License, or
00019 //   (at your option) any later version.
00020 //
00021 /****************************************************************************/
00022 // ===========================================================================
00023 // included modules
00024 // ===========================================================================
00025 #ifdef _MSC_VER
00026 #include <windows_config.h>
00027 #else
00028 #include <config.h>
00029 #endif
00030 
00031 #include <sstream>
00032 #include "SUMOTime.h"
00033 #include "TplConvert.h"
00034 
00035 
00036 // ===========================================================================
00037 // type definitions
00038 // ===========================================================================
00039 #ifdef HAVE_SUBSECOND_TIMESTEPS
00040 SUMOTime DELTA_T = 1000;
00041 #endif
00042 
00043 
00044 // ===========================================================================
00045 // method definitions
00046 // ===========================================================================
00047 SUMOTime
00048 string2time(const std::string& r) throw(EmptyData, NumberFormatException, ProcessError) {
00049     double time;
00050     std::istringstream buf(r);
00051     buf >> time;
00052     if (buf.fail()) {
00053         throw ProcessError("Input string '" + r + "' cannot be parsed as a time");
00054     } else {
00055         return TIME2STEPS(time);
00056     }
00057 }
00058 
00059 
00060 std::string
00061 time2string(SUMOTime t) {
00062     // 123456 -> "12.34"
00063     std::ostringstream oss;
00064     oss.setf(oss.fixed);
00065     oss.precision(OUTPUT_ACCURACY);
00066     oss << STEPS2TIME(t);
00067     return oss.str();
00068 }
00069 
00070 
00071 /****************************************************************************/
00072 
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