hashmapr.h Source File

00001 /*
00002     Copyright (C) 2002 by Mathew Sutcliffe
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_HASHMAPR_H__
00020 #define __CS_HASHMAPR_H__
00021 
00022 #include "csutil/hashmap.h"
00023 
00024 class csHashIteratorReversible;
00025 
00027 class csHashMapReversible : public csHashMap
00028 {
00029   friend class csHashIteratorReversible;
00030 
00031   protected:
00032   csHashMap *Reverse;
00033   csHashMap *HalfReverse;
00034 
00035   public:
00036   csHashMapReversible (uint32 size = 211);
00037 
00038   virtual ~csHashMapReversible ();
00039 
00042   void Put (const char *key, csHashObject object);
00043 
00045   const char* GetKey (csHashObject value);
00046 
00048   const char* GetKey (csHashKey key);
00049 };
00050 
00052 class csHashIteratorReversible : public csHashIterator
00053 {
00054   friend class csHashMapReversible;
00055 
00056   private:
00057   csHashMapReversible *hashr;
00058   csHashKey keyr;
00059 
00060   public:
00061   csHashIteratorReversible (csHashMapReversible *);
00062 
00064   const char* GetKey ();
00065 };
00066 
00067 #endif //__CS_HASHMAPR_H__
00068