CmdLineArgs.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef UTILITIES_COLLECTION_CMDLINEARGS
#define UTILITIES_COLLECTION_CMDLINEARGS
 
#include <string>
#include <vector>
#include <algorithm>
 
namespace pool
{
 
   class CmdLineArgs
   {
  public:
 
     CmdLineArgs( int argc, const char* argv[] );
 
     bool hasQual( const std::string arg ) const;
 
     std::string getArg( const std::string arg );
 
     std::string getArg( std::vector<std::string>::const_iterator itr );
 
     std::vector<std::string>::const_iterator getPos() const;
 
  private:
 
     std::vector<std::string> argvVector;
     std::vector<std::string>::const_iterator vecItr;
   };
 
 
   inline CmdLineArgs::CmdLineArgs( int argc, const char* argv[] ) 
     : argvVector(argc)
   {    
      for( int i=0; i < argc; ++i ) 
     argvVector[i].assign( argv[i] );
      vecItr = argvVector.begin();
   }
 
 
   inline bool CmdLineArgs::hasQual( const std::string arg ) const
   {
      return ( std::find( argvVector.begin(), argvVector.end(), arg ) !=
           argvVector.end() );
   }
 
 
   inline std::string CmdLineArgs::getArg( const std::string arg )
   {
      std::vector<std::string>::const_iterator itr
     = std::find( argvVector.begin(), argvVector.end(), arg );
      return ( getArg( itr ) );
   }
 
 
   inline std::string CmdLineArgs::getArg( 
      std::vector<std::string>::const_iterator itr )
   {
      vecItr = itr;
      if ( vecItr != argvVector.end() ) 
      {
     vecItr++;
     if ( vecItr != argvVector.end() )
     { 
        return *vecItr;
     }
     else
     {
        return ("");
     } 
      }
      else
      {
     return ("");
      }
   }
 
 
   inline std::vector<std::string>::const_iterator CmdLineArgs::getPos() const
   {
      return vecItr;
   }
 
} // end pool namespace
 
#endif  // UTILITIES_COLLECTION_CMDLINEARGS