SUMO - Simulation of Urban MObility
BinaryInputDevice.cpp
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00001 /****************************************************************************/
00008 // Encapsulates binary reading operations on a file
00009 /****************************************************************************/
00010 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
00011 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors
00012 /****************************************************************************/
00013 //
00014 //   This file is part of SUMO.
00015 //   SUMO is free software: you can redistribute it and/or modify
00016 //   it under the terms of the GNU General Public License as published by
00017 //   the Free Software Foundation, either version 3 of the License, or
00018 //   (at your option) any later version.
00019 //
00020 /****************************************************************************/
00021 
00022 
00023 // ===========================================================================
00024 // included modules
00025 // ===========================================================================
00026 #ifdef _MSC_VER
00027 #include <windows_config.h>
00028 #else
00029 #include <config.h>
00030 #endif
00031 
00032 #include <string>
00033 #include "BinaryInputDevice.h"
00034 
00035 #ifdef CHECK_MEMORY_LEAKS
00036 #include <foreign/nvwa/debug_new.h>
00037 #endif // CHECK_MEMORY_LEAKS
00038 
00039 // ===========================================================================
00040 // constants definitions
00041 // ===========================================================================
00042 #define BUF_MAX 1000
00043 
00044 
00045 // ===========================================================================
00046 // method definitions
00047 // ===========================================================================
00048 BinaryInputDevice::BinaryInputDevice(const std::string& name)
00049     : myStream(name.c_str(), std::fstream::in | std::fstream::binary) {}
00050 
00051 
00052 BinaryInputDevice::~BinaryInputDevice() {}
00053 
00054 
00055 bool
00056 BinaryInputDevice::good() const {
00057     return myStream.good();
00058 }
00059 
00060 
00061 BinaryInputDevice&
00062 operator>>(BinaryInputDevice& os, int& i) {
00063     os.myStream.read((char*) &i, sizeof(int));
00064     return os;
00065 }
00066 
00067 
00068 BinaryInputDevice&
00069 operator>>(BinaryInputDevice& os, unsigned int& i) {
00070     os.myStream.read((char*) &i, sizeof(unsigned int));
00071     return os;
00072 }
00073 
00074 
00075 BinaryInputDevice&
00076 operator>>(BinaryInputDevice& os, SUMOReal& f) {
00077     os.myStream.read((char*) &f, sizeof(SUMOReal));
00078     return os;
00079 }
00080 
00081 
00082 BinaryInputDevice&
00083 operator>>(BinaryInputDevice& os, bool& b) {
00084     b = 0;
00085     os.myStream.read((char*) &b, sizeof(char));
00086     return os;
00087 }
00088 
00089 
00090 BinaryInputDevice&
00091 operator>>(BinaryInputDevice& os, std::string& s) {
00092     unsigned int size;
00093     os >> size;
00094     if (size < BUF_MAX) {
00095         os.myStream.read((char*) &os.myBuffer, sizeof(char)*size);
00096         os.myBuffer[size] = 0;
00097         s = std::string(os.myBuffer);
00098         return os;
00099     }
00100     return os;
00101 }
00102 
00103 
00104 BinaryInputDevice&
00105 operator>>(BinaryInputDevice& os, long& l) {
00106     os.myStream.read((char*) &l, sizeof(long));
00107     return os;
00108 }
00109 
00110 
00111 
00112 /****************************************************************************/
00113 
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