FscrunchInterpreter.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2019 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/General/Pulsar/FscrunchInterpreter.h
 
#ifndef __Pulsar_FscrunchInterpreter_h
#define __Pulsar_FscrunchInterpreter_h
 
#include <string>
 
namespace Pulsar {
 
  template <class Engine>
  class FscrunchInterpreter
  {
  public:
 
 
    template <class Container, class Interpreter>
    void fscrunch (Interpreter* interpreter, Container* container, const std::string& args)
    {
      bool scrunch_by = false;
      std::string temp = args;
 
      if (args[0] == 'x')
      {
        scrunch_by = true;
        temp.erase (0,1);
      }
 
      unsigned scrunch = interpreter->template setup<unsigned> (temp, 0);
 
      if (!scrunch)
        container -> fscrunch();
      else if (scrunch_by)
        container -> fscrunch (scrunch);
      else
        container -> fscrunch_to_nchan (scrunch);
    }
 
  protected:
 
    Reference::To<Engine> engine;
 
  };
 
}
 
#endif