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LinkedPropertyList.hpp

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/*==========================================================================
 *
 *  Original source copyright (c) 2003, Carnegie Mellon University.
 *  See copyright.cmu for details.
 *
 *==========================================================================
*/

#ifndef _LINKEDPROPERTYLIST_HPP
#define _LINKEDPROPERTYLIST_HPP

#include "PropertyList.hpp"

#include <list>

using namespace std;

typedef list<Property *> plist;

class LinkedPropertyList : public PropertyList {

public:
  LinkedPropertyList();
  ~LinkedPropertyList();

  virtual Property * getProperty(char * name); 

  virtual void startIteration();
  virtual Property * nextEntry();
  virtual bool hasMore();

  
  virtual void setProperty(Property * property);

  virtual void removeProperty(char * name);
  virtual void clear();

protected:  

  // checks the cache for a property that 
  // can be reused, otherwise creates a new
  // property
  virtual Property * getAProperty();
  // finds the property with the given name
  virtual Property * getPropertyInternal(char * name);

  plist::iterator iterator;
  plist properties;

  plist cache;

  // We copy values into this property when returning
  // property objects.  This allows control to
  // the linked property list only.
  Property returnProp;

  

};

#endif //_LINKEDPROPERTYLIST_HPP

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