ReferenceVector.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2004 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/Util/units/ReferenceVector.h
 
#ifndef __ReferenceVector_h
#define __ReferenceVector_h
 
#include "ReferenceAble.h"
#include <typeinfo>
#include <string>
 
#ifdef _DEBUG
#include <iostream>
using namespace std;
#endif
 
namespace Reference {

  template<class Type, bool active = true> class Vector
  {
 
  public:

    Vector ()
    { }
    
    Vector (const Vector& v)
    { elements = v.elements; }
    
    ~Vector ()
    { }
    
    Vector& operator = (const Vector& v)
    { elements = v.elements; return *this; }

    Reference::To<Type,active>& operator [] (unsigned index)
    { check (index); return elements[index]; }

    const Reference::To<Type,active>& operator [] (unsigned index) const
    { check (index); return elements[index]; }

    void resize (unsigned n)
    { elements.resize (n); }

    unsigned size () const
    { return elements.size(); }
 
  private:

    std::vector< Reference::To<Type,active> > elements;

    void check (unsigned index) const
    {
      if (index >= elements.size())
        throw Error (InvalidParam, "Reference::Vector::check",
                     "index=%u >= size=%u", index, elements.size());
    }
 
  };
}
 
#endif // #ifndef __ReferenceVector_h