iterator.h

#ifndef AFL_ITERATOR_H
#define AFL_ITERATOR_H

#include <iterator>
#include <string>
#include <map>

#include "afltypes.h"
#include "field.h"

namespace afl
{
    class ddf::PropertySet;
    class ddf::VNode;

    class Iterator : public std::iterator<std::random_access_iterator_tag, data_t>
    {

      public:
         Iterator( const Iterator& toCopy );

         Iterator& operator=( const Iterator& toCopy );

         Iterator& operator++(  );

         Iterator operator++( int ignored );

         Iterator operator--( int ignored );

         Iterator& operator--(  );

         Iterator& operator+=( ptrdiff_t a );

         Iterator& operator-=( ptrdiff_t a );

         Iterator operator+( ptrdiff_t a ) const;

         friend Iterator operator+(ptrdiff_t a, const Iterator& i);

         Iterator operator-( ptrdiff_t a ) const;

         ptrdiff_t operator-( const Iterator& i ) const;

         bool operator==( const Iterator& toCompare ) const;

         bool operator!=( const Iterator& toCompare ) const;

         bool operator<( const Iterator& toCompare ) const;

         bool operator>( const Iterator& toCompare ) const;

         bool operator<=( const Iterator& toCompare ) const;

         bool operator>=( const Iterator& toCompare ) const;

         Value get( aspectid_t aspect = afl::FIELD_NONE ) const;

      friend class Field;
      protected:
         Iterator( const Field* field, size_t loc );



      private:
          const Field* _field;
          size_t _loc;

    };

    Iterator operator+(ptrdiff_t a, const Iterator& i);
};

#endif // AFL_ITERATOR_H

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