include/trace-tools/tool/datafile.hxx

00001 /*
00002  * trace-tools - A library and a set of tools to manipulate wireless traces.
00003  * Copyright (C) 2007  Universite Pierre et Marie Curie - Paris 6
00004  *
00005  * This program is free software; you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
00018  * MA  02110-1301  USA
00019  *
00020  * Author: Thomas Claveirole <thomas.claveirole@lip6.fr>
00021  */
00022 #ifndef TOOL_DATAFILE_HXX_
00023 # define TOOL_DATAFILE_HXX_
00024 
00025 # include <fstream>
00026 # include "datafile.hh"
00027 
00028 namespace tool
00029 {
00030 
00031   inline
00032   datafile::datafile(const std::string& filename): filename_ (filename)
00033   {
00034   }
00035 
00036 
00037   inline
00038   datafile::operator std::ostream& ()
00039   {
00040     if (not filestream_)
00041       filestream_.reset(new std::ofstream (filename_.c_str(),
00042                                            std::ofstream::out |
00043                                            std::ofstream::app));
00044     return *filestream_;
00045   }
00046 
00047   template <class T>
00048   std::ostream&
00049   datafile::operator << (const T& data)
00050   {
00051     return static_cast<std::ostream&> (*this) << data;
00052   }
00053 
00054 } // End of namespace tool.
00055 
00056 #endif // ! TOOL_DATAFILE_HXX_

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