pointer_hash.h

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#ifndef POINTER_HASH_CLASS
#define POINTER_HASH_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : pointer_hash                                                      *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 2001-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include "hash_table.h"


// forward.
class pointer_set;

template <class contents>
class pointer_hash : public hash_table<void *, contents>
{
public:
  pointer_hash(int max_bits);
  ~pointer_hash();

  const pointer_set &ids() const;
  void ids(pointer_set &ids) const;

  outcome add(void *key, contents *to_store);
  contents *acquire(void *key);
  bool zap(void *key);
  void reset();

  typedef bool apply_function(const void * &key, contents &current,
        void *data_link);

  void apply(apply_function *to_apply, void *data_link);

private:
  pointer_set *_ids;

};

#endif

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