UtilParameters.h

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//===========================================================================//
// This file is part of the Decomp Solver Framework.                         //
//                                                                           //
// Decomp is distributed under the Common Public License as part of the      //
// COIN-OR repository (http://www.coin-or.org).                              //
//                                                                           //
// Author: Matthew Galati, SAS Institute Inc. (matthew.galati@sas.com)       //
//                                                                           //
// Copyright (C) 2002-2007, Lehigh University, Matthew Galati, and Ted Ralphs//
// All Rights Reserved.                                                      //
//===========================================================================//

#ifndef UTIL_PARAMETERS_INCLUDED
#define UTIL_PARAMETERS_INCLUDED

//===========================================================================//
#include <map>
#include <string>
#include <fstream>
using namespace std;

//===========================================================================//
struct UtilParamT {
   string paramName;
   bool   isUsed;        //is used in code (a call to getSetting)?
};
typedef struct UtilParamT UtilParam;

//===========================================================================//
class UtilParameters {
private:
   UtilParameters(const UtilParameters& copy);
   UtilParameters& operator=(const UtilParameters& rhs);

private:
   map<string, UtilParam> m_paramMap;

public:
   UtilParameters()
      : m_paramMap() {}

   UtilParameters(int&   argc,
                  char* argv[]) :
      m_paramMap() {
      ScanCmdLineArgs(argc, argv);
   };

   ~UtilParameters() {};

   void ScanCmdLineArgs(int&   argc,
                        char* argv[]);
   void   LoadParamFile(string& paramFileName);
   void   Add(string& section,
              string& name,
              string& value);
   void   Add(const char* section,
              const char* name,
              const char* value);
   string GetSetting(const char* name,
                     const char* defaultValue,
                     const char* section = NULL);
   int    GetSetting(const char* name,
                     const int    defaultValue,
                     const char* section = NULL);
   bool   GetSetting(const char* name,
                     const bool   defaultValue,
                     const char* section = NULL);
   long   GetSetting(const char* name,
                     const long   defaultValue,
                     const char* section = NULL);
   double GetSetting(const char* name,
                     const double defaultValue,
                     const char* section = NULL);

private:
   UtilParam* FindEntry(const char* section,
                        const char* name);
   string*     Find(const char* section,
                    const char* name);
};

#endif