parmanager.h

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/*
  $Id: parmanager.h,v 1.4 2004/12/17 10:10:27 pecos Exp $
*/  

/* *********
*  
*  This file is part of:
*  NePSing, Network Protocol Simulator next generation
*  
*  Copyright (C) 2004  Tommaso Pecorella <tpecorella@mac.com>
*  
*  This library is free software; you can redistribute it and/or
*  modify it under the terms of the GNU Lesser General Public
*  License as published by the Free Software Foundation; either
*  version 2.1 of the License, or (at your option) any later version.
*  
*  This library 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
*  Lesser General Public License for more details.
*  
*  You should have received a copy of the GNU Lesser General Public
*  License along with this library; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*  
********* */

#include <string>
#include <map>
#include <vector>
#include <list>
#include <typeinfo>

#include "parameter.h"
#include "misc.h"

#ifndef ___PARMANAGER_H___
#define ___PARMANAGER_H___


#define READ_OK         0
#define OPEN_FAIL       1
#define UNEXPECTED_EOF  2
#define UNKNOWN_PARAM   4

#define MAX_LINE_LENGTH 256



//
class InstanceDesc
{
 public:
  string Name;
  string Comment;

 public:
  InstanceDesc();
  InstanceDesc(string aName, string aComment);
};

//
class ClassDesc
{
 public:
  string Name;
  string Comment;

  list<int> Params;
  list<InstanceDesc> Instance;
  
 public:
  ClassDesc();
  ClassDesc(string aName, string aComment);
};


//


class ParamManager
{
 protected:
  vector<GenericParameter *> param;
  map<string, int> par_num;

  vector<ClassDesc> classes;
  map<string, int> classnum;

 public:
  // Constructor
  ParamManager();


  void addParameter(string Class, GenericParameter *aPar) throw(ParamManagerException);


  void addClass(string aClass, string aComment);


  void addInstance(string aClass, string aInstance, string aComment) throw(ParamManagerException);

//  template<class parType, class outType> 
//    outType get(string aName, string aClass, string aInstance);

  GenericParameter *get(string aName, string aClass, string aInstance) throw(ParamManagerException);
  

  void setDefault (string aName, string aValue) throw(ParamManagerException);

  void printTemplate(ostream &os, bool ClassComments, bool ParameterComments, bool ExpandInstances);
  
  // Reads parameters from the stream s
  void ReadFile(istream &s) throw(ParamManagerException);

  // Opens a file named FileName and calls ReadFile(istream &s) 
  void ReadFile(const char *FileName) throw(ParamManagerException);
};

template<class parType, class outType> 
  outType get(ParamManager* Param, string aName, string aClass, string aInstance) throw(ParamManagerException)
{
  parType *p = dynamic_cast<parType *>(Param->get(aName, aClass, aInstance));

  if (!p)
  {
    throw ParamManagerException("Error getting parameter: " + aName + 
                                " : parameter is not of type " + className(p) +
                                " but of type " + className(Param->get(aName, aClass, aInstance)));
  }
  
  return p->get(aClass, aInstance);
}


#endif


/*

  $Log: parmanager.h,v $
  Revision 1.4  2004/12/17 10:10:27  pecos
  No log message.

  Revision 1.3  2004/12/12 23:44:44  pecos
  Added Copyright message - LGPL

  Revision 1.2  2004/12/11 23:53:25  pecos
  Added DoxyGen comments

  Revision 1.1.1.1  2004/07/08 16:59:33  pecos
  NePSing framework

  Revision 1.1.1.1  1999/05/24 15:59:57  inesis
  INeSiS Project

  Revision 1.1.1.1  1999/05/24 15:17:20  inesis
  INeSiS Project


*/

---