# eoFileMonitor.h

    00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
    00002
    00003 //-----------------------------------------------------------------------------
    00004 // eoFileMonitor.h
    00005 // (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000
    00006 /*
    00007     This library is free software; you can redistribute it and/or
    00008     modify it under the terms of the GNU Lesser General Public
    00009     License as published by the Free Software Foundation; either
    00010     version 2 of the License, or (at your option) any later version.
    00011
    00012     This library is distributed in the hope that it will be useful,
    00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015     Lesser General Public License for more details.
    00016
    00017     You should have received a copy of the GNU Lesser General Public
    00018     License along with this library; if not, write to the Free Software
    00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00020
    00021     Contact: todos@geneura.ugr.es, http://geneura.ugr.es
    00022              Marc.Schoenauer@polytechnique.fr
    00023              mkeijzer@dhi.dk
    00024  */
    00025 //-----------------------------------------------------------------------------
    00026
    00027 #ifndef EO_eoFileMonitor_h
    00028 #define EO_eoFileMonitor_h
    00029
    00030 #include <string>
    00031 #include <fstream>
    00032 #include <stdexcept>
    00033
    00034 #include "utils/eoMonitor.h"
    00035 #include "eoObject.h"
    00036
    00044 class eoFileMonitor : public eoMonitor
    00045 {
    00046 public :
    00047
    00048   eoFileMonitor(std::string _filename, std::string _delim = " ", bool _keep = false, bool _header=false)
    00049     : filename(_filename), delim(_delim), keep(_keep), header(_header), firstcall(true)
    00050   {
    00051     if (! _keep) {
    00052       std::ofstream os(filename.c_str());
    00053       if (!os){
    00054         std::string str = "eoFileMonitor: Could not open " + filename;
    00055         throw std::runtime_error(str);
    00056       }
    00057     }
    00058   }
    00059
    00060   virtual eoMonitor& operator()(void);
    00061
    00062   virtual eoMonitor& operator()(std::ostream& os);
    00063
    00064   void printHeader(void);
    00065   virtual void printHeader(std::ostream& os);
    00066
    00067   virtual std::string getFileName() { return filename;}
    00068
    00069 private :
    00070   std::string filename;
    00071   std::string delim;
    00072   bool keep;                       // should we append or create a new file
    00073   bool header;                     // printing header at begin of file?
    00074   bool firstcall;
    00075
    00076 };
    00077
    00078 #endif