configurable.cpp

Go to the documentation of this file.

/***************************************************************************
 *   Copyright (C) 2005 by Robot Group Leipzig                             *
 *    martius@informatik.uni-leipzig.de                                    *
 *    fhesse@informatik.uni-leipzig.de                                     *
 *    der@informatik.uni-leipzig.de                                        *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************
 *                                                                         *
 *  DESCRIPTION                                                            *
 *                                                                         *
 *   $Log: configurable.cpp,v $
 *   Revision 1.1.2.6  2006/02/08 16:17:40  martius
 *   no namespace using
 *
 *   Revision 1.1.2.5  2006/01/18 16:48:10  martius
 *   configurables can be stored and reloaded
 *
 *   Revision 1.1.2.4  2006/01/18 10:45:32  martius
 *   *** empty log message ***
 *
 *   Revision 1.1.2.3  2006/01/18 10:44:49  martius
 *   (re)storeCfg
 *
 *   Revision 1.1.2.2  2006/01/16 17:40:13  martius
 *   parsing works
 *
 *   Revision 1.1.2.1  2006/01/16 17:27:17  martius
 *   *** empty log message ***
 *
 *                                                                 *
 ***************************************************************************/

#include "configurable.h"

using namespace std;

void Configurable::insertCVSInfo(paramkey& str, const char* file, const char* revision){
  string f(file);
  string rev(revision);
  int colon = f.find(':');
  int end   = f.rfind('$');
  if(colon >= 0 && end >= 0 && colon+1 < end){
    str += f.substr(colon+1, end-colon-1);
  }
  str += "-";
  colon = rev.find(':');
  end   = rev.rfind('$');
  if(colon >= 0 && end >= 0 && colon+1 < end){
    str += rev.substr(colon+1, end-colon-1);
  }
}

#ifndef AVR

bool Configurable::storeCfg(const char* filenamestem){
  char name[256];
  FILE* f;
  sprintf(name, "%s.cfg",filenamestem);
  if(!(f = fopen(name, "w"))) return false;
  print(f,""); // save config values to file
  fclose(f);
  return true;
}

bool Configurable::restoreCfg(const char* filenamestem){
  char name[256];
  FILE* f;
  sprintf(name, "%s.cfg",filenamestem);
  if(!(f=fopen(name, "r")))
    return false;
  parse(f);
  fclose(f);
  return true;
}

void Configurable::print(FILE* f, const char* prefix) const {
  const char* pre = prefix==0 ? "": prefix;    
  const unsigned short spacelength=20;
  char spacer[spacelength];
  memset(spacer, ' ', spacelength);  spacer[spacelength-1]=0;
    
  paramlist list = getParamList();
  fprintf(f, "%s[%s][%i]\n", pre, getName().c_str(), getId());
  for(paramlist::iterator i = list.begin(); i!= list.end() ; i++) {
    const string& k = (*i).first;
    fprintf(f, "%s %s=%s%f\n", pre, k.c_str(), 
            spacer+(k.length() > spacelength  ? spacelength : k.length()), (*i).second);
  }
}

void Configurable::parse(FILE* f) {
  char* buffer = 0;    
  size_t len=0;    
  ssize_t read=0;    
  while ((read = getline(&buffer, &len, f)) != -1) {
    char* p = strchr(buffer,'=');
    if(p!=0){
      *p=0; // terminate string (key) at = sign   
      char* s = buffer;
      while (*s==' ') s++; // skip leading spaces
      // cout << "Set: " << s << " Val:" << atof(p+1) << endl;    
      setParam(s, atof(p+1)); 
    }    
  }
  if(buffer) free(buffer);
}

#endif

---