CommandLine.h

#ifndef COMMAND_LINE_H
#define COMMAND_LINE_H
 
/*
* Simpatico - Simulation Package for Polymeric and Molecular Liquids
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
#include "TestException.h"
 
#include <string>
#include <vector>
 
class CommandLine
{
 
public:
 
   CommandLine()
   {  clear(); }
 
   void append(const char* arg)
   {  strings_.push_back(std::string(arg)); }
 
   void clear()
   {   
      argv_.clear(); 
      strings_.clear(); 
      append("");
      // Empty string is a substitute for the executable name.
      // The C standard says that the first argument argv[0] should
      // be the executable name, or an empty string if unknown.
   }
 
   int argc()
   {  return strings_.size(); }
 
   char** argv()
   {
      argv_.clear();
      for (unsigned int i = 0; i < strings_.size(); ++i) {
         argv_.push_back(const_cast<char*>(strings_[i].c_str()));
      }
      return &(argv_[0]);
   }
 
private:
 
   std::vector<std::string> strings_;
   std::vector<char*> argv_;
 
};
#endif