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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 "csutil/hashmap.h"
00023 
00032 typedef uint32 csStringID;
00034 csStringID const csInvalidStringID = (csStringID) ~0;
00035 
00036 class csStringHash;
00037 
00043 class csStringHashIterator
00044 {
00045   friend class csStringHash;
00046 
00047 private:
00048   csGlobalHashIterator* hashIt;
00049 
00050 public:
00051 
00057   csStringHashIterator (csStringHash* hash);
00058 
00060   bool HasNext ();
00062   csStringID Next ();
00063 };
00064 
00069 class csStringHash
00070 {
00071 private:
00072   friend class csStringHashIterator;
00073   
00074   csHashMap Registry;
00075 
00076 public:
00078   csStringHash (uint32 size = 211);
00080   ~csStringHash ();
00081 
00086   const char* Register (const char *s, csStringID id);
00087 
00092   csStringID Request (const char *s);
00093 
00098   const char* Request (csStringID id);
00099 
00103   void Clear ();
00104 };
00105 
00106 #endif // __CS_STRHASH_H__

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