progress_bar.h

00001 /*************************************************************************
00002  *              ESLA: Embeddable Scripting LAnguage
00003  *                  Copyright (C) 2003 Frantz Maerten
00004  *
00005  *   This  program  is  free  software;  you  can  redistribute it and/or
00006  *   modify  it  under  the  terms  of  the GNU General Public License as
00007  *   published  by  the Free Software Foundation; either version 2 of the
00008  *   License, or (at your option) any later version.
00009  *
00010  *   If  you modify this software, you should contact the author, include
00011  *   a  notice giving the name of the person performing the modification,
00012  *   the date of modification, and the reason for such modification.
00013  *
00014  *   Note   that   the   GNU  General  Public  License  does  not  permit
00015  *   incorporating the Software into proprietary programs.
00016  *
00017  *  Contact: Frantz Maerten
00018  *     frantz@pangea.stanford.edu
00019  *
00020  *     Dept. of Geological & Environmental Sciences
00021  *     Stanford University 
00022  *     Stanford, CA 94305-2115
00023  *     USA
00024  *************************************************************************/
00025 
00026 
00027 #ifndef ESLA_PROGRESS_BAR
00028 #define ESLA_PROGRESS_BAR
00029 
00030 #include "../esla_namespace.h"
00031 #include <iostream>
00032 #include <string>
00033 
00034 
00035 BEGIN_LIB_NAMESPACE
00036 
00040 class ProgressBar {
00041 public:
00068   ProgressBar(const std::string title, double lower, double upper, int nbr) ;
00069 
00073   void start() ;
00074   void stop() ;
00078   void advance() ;
00079   void advance_to(double value) ;
00080 
00081 private:
00082   double lower_, upper_, nbr_ ;
00083   double step_ ;
00084   double cur_ ;
00085   int cumul_ ;
00086   std::string title_ ;
00087 
00088 } ;
00089 
00090 
00091 END_LIB_NAMESPACE
00092 
00093 #endif