interval_set_iterator.h

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//
// Copyright (c) 2014 Limit Point Systems, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//


#ifndef INTERVAL_SET_ITERATOR_H
#define INTERVAL_SET_ITERATOR_H

#ifndef SHEAF_DLL_SPEC_H
#include "SheafSystem/sheaf_dll_spec.h"
#endif

#ifndef ANY_H
#include "SheafSystem/any.h"
#endif

#ifndef INTERVAL_SET_H
#include "SheafSystem/interval_set.h"
#endif

namespace sheaf
{

class SHEAF_DLL_SPEC interval_set_iterator : public any
{

  // ===========================================================
  // ===========================================================

public:

  typedef interval_set::pod_type pod_type;

  interval_set_iterator(const interval_set& xset, bool xis_member_iterator);

  interval_set_iterator(const interval_set_iterator& xother);

  ~interval_set_iterator();

  const interval_set& set() const;

  bool is_member_iterator() const;

  pod_type item() const;

  void next();

  bool is_done() const;

  void reset();

protected:

  interval_set_iterator() {};

  void next_interval();

  bool is_member_interval() const;

  const interval_set* _set;

  bool _is_member_iterator;  
    
  pod_type _item;

  pod_type _ub;

  typedef interval_set::map_type map_type;
 
  const map_type* _map;  
   
  typedef interval_set::map_iterator_type map_iterator_type;

  map_iterator_type _map_itr;

private:


  // ===========================================================
  // ===========================================================

public:

  virtual bool is_ancestor_of(const any *other) const;

  virtual interval_set_iterator* clone() const;

  interval_set_iterator& operator=(const interval_set_iterator& xother);

  virtual bool operator==(const interval_set_iterator& xother) const;

  virtual bool invariant() const;

protected:

private:


};

// ===========================================================
// NON-MEMBER FUNCTIONS
// ===========================================================

} // namespace sheaf

#endif // ifndef INTERVAL_SET_ITERATOR_H