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csutil/strhash.h

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00001 /*
00002     Copyright (C) 2002 by Jorrit Tyberghein
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_STRHASH_H__
00020 #define __CS_STRHASH_H__
00021 
00022 #include "csextern.h"
00023 #include "hashmap.h"
00024 
00033 typedef uint32 csStringID;
00035 csStringID const csInvalidStringID = (csStringID) ~0;
00036 
00037 class csStringHash;
00038 
00044 class CS_CSUTIL_EXPORT csStringHashIterator
00045 {
00046   friend class csStringHash;
00047 
00048 private:
00049   csGlobalHashIterator* hashIt;
00050 
00051 public:
00052 
00058   csStringHashIterator (csStringHash*);
00060   virtual ~csStringHashIterator ();
00061 
00063   bool HasNext ();
00065   csStringID Next ();
00066 };
00067 
00075 class CS_CSUTIL_EXPORT csStringHash
00076 {
00077 private:
00078   friend class csStringHashIterator;
00079   
00080   csHashMap Registry;
00081 
00082 public:
00084   csStringHash (uint32 size = 211);
00086   ~csStringHash ();
00087 
00098   const char* Register (const char* s, csStringID id);
00099 
00105   csStringID Request (const char* s);
00106 
00115   const char* Request (csStringID id);
00116 
00120   void Clear ();
00121 };
00122 
00123 #endif // __CS_STRHASH_H__

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