text: /**
   * Licensed to Green Energy Corp (www.greenenergycorp.com) under one or
   * more contributor license agreements. See the NOTICE file distributed
   * with this work for additional information regarding copyright ownership.
   * Green Energy Corp licenses this file to you 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.
   *
   * This project was forked on 01/01/2013 by Automatak, LLC and modifications
   * may have been made to this file. Automatak, LLC licenses these modifications
   * to you under the terms of the License.
   */
  #ifndef __INDEXABLE_ITERATOR_H_
  #define __INDEXABLE_ITERATOR_H_
  
  #include "Configure.h"
  #include <assert.h>
  
  namespace openpal
  {
  
  template <class ValueType, class IndexType>
  class Indexable;
  
  template <class ValueType, class IndexType>
  class IndexableIterator
  {
  public:
  
  	IndexableIterator(const Indexable<ValueType, IndexType>& aIndexable, IndexType aPosition, IndexType aStop) :
  		empty(false),
  		indexable(aIndexable),
  		position(aPosition),
  		stop(aStop)
  	{}
  
  	IndexableIterator(const Indexable<ValueType, IndexType>& aIndexable) :
  		empty(aIndexable.IsEmpty()),
  		indexable(aIndexable),
  		position(0),
  		stop(aIndexable.IsEmpty() ? 0 : aIndexable.Size() - 1)
  	{}
  
  	inline const IndexType Index() const
  	{
  		assert(!empty);
  		return position;
  	}
  
  	inline const ValueType& Value() const
  	{
  		assert(!empty);
  		return indexable[position];
  	}
  
  	inline const IndexType Stop() const
  	{
  		return stop;
  	}
  
  	inline bool IsNotEmpty() const
  	{
  		return !empty;
  	}
  
  	inline bool IsEmpty() const
  	{
  		return empty;
  	}
  
  	inline void Next()
  	{
  		assert(!empty);
  		if(position == stop)
  		{
  			empty = true;
  		}
  		else
  		{
  			++position;
  		}
  	}
  
  private:
  
  	bool empty;
  	Indexable<ValueType, IndexType> indexable;
  	IndexType position;
  	IndexType stop;
  };
  
  }
  
  #endif
  