csutil/hashhandlers.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2003 by Jorrit Tyberghein 00003 (C) 2003 by Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_UTIL_HASHHANDLERS_H__ 00021 #define __CS_UTIL_HASHHANDLERS_H__ 00022 00027 #include "hash.h" 00028 #include "ref.h" 00029 #include "util.h" 00030 00039 class csConstCharHashKeyHandler 00040 { 00041 public: 00042 static uint32 ComputeHash (const char* const& key) 00043 { 00044 return (csHashCompute (key)); 00045 } 00046 00047 static bool CompareKeys (const char* const& key1, const char* const& key2) 00048 { 00049 return (strcmp (key1, key2) == 0); 00050 } 00051 }; 00052 00058 class csStrKey 00059 { 00060 private: 00061 char* str; 00062 00063 public: 00064 csStrKey (const char* s) { str = csStrNew (s); } 00065 csStrKey (const csStrKey& c) { str = csStrNew (c.str); } 00066 ~csStrKey () { delete[] str; } 00067 operator const char* () const { return str; } 00068 }; 00069 00076 template <class T> 00077 class csRefHashKeyHandler 00078 { 00079 public: 00080 static uint32 ComputeHash (const csRef<T>& key) 00081 { 00082 return (uint32)((T*)key); 00083 } 00084 00085 static bool CompareKeys (const csRef<T>& key1, const csRef<T>& key2) 00086 { 00087 return ((T*)key1 == (T*)key2); 00088 } 00089 }; 00090 00091 #endif // __CS_UTIL_HASHHANDLERS_H__
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