IteratorAdapter.h

 
#pragma once

 
#if defined(IteratorAdapter_RECURSES)
#error Recursive header files inclusion detected in IteratorAdapter.h
#else // defined(IteratorAdapter_RECURSES)
#define IteratorAdapter_RECURSES
 
#if !defined IteratorAdapter_h
#define IteratorAdapter_h

// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
#include <boost/iterator/transform_iterator.hpp>
 
namespace DGtal
{

  // template class IteratorAdapter
  template <typename TIterator, typename TFunctor, typename TReturnType = typename TFunctor::Value>
  class IteratorAdapter:
    public boost::transform_iterator< TFunctor, TIterator, TReturnType&, TReturnType  >
  {
 
  BOOST_CONCEPT_ASSERT(( boost_concepts::LvalueIteratorConcept<TIterator> ));
 
  public:

    typedef IteratorAdapter< TIterator, TFunctor, TReturnType > Self;
    typedef boost::transform_iterator< TFunctor, TIterator, TReturnType&, TReturnType > Parent;

    IteratorAdapter(): Parent() {}
    IteratorAdapter( const TIterator& iter, TFunctor func ): Parent(iter,func) {}
    IteratorAdapter( const Self& other ): Parent( static_cast<const Parent&>(other) ) {}
    IteratorAdapter( const Parent& other ): Parent(other) {}
    Self& operator=( const Self& other )
    {
      if (this != &other)
        Parent::operator=( static_cast<const Parent&>(other) );
      return *this;
    }

    Self& operator=( const Parent& other )
    {
      if (this != &other)
          Parent::operator=(other);
      return *this;
    }

    ~IteratorAdapter() {}
  };
 
} // namespace DGtal
 

// Includes inline functions.
//#include "DGtal/base/IteratorAdapter.ih"
 
//                                                                           //
 
#endif // !defined IteratorAdapter_h
 
#undef IteratorAdapter_RECURSES
#endif // else defined(IteratorAdapter_RECURSES)