cpl_hash_set.h

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00001 /**********************************************************************
00002  * $Id: cpl_hash_set.h 27044 2014-03-16 23:41:27Z rouault $
00003  *
00004  * Name:     cpl_hash_set.h
00005  * Project:  CPL - Common Portability Library
00006  * Purpose:  Hash set functions.
00007  * Author:   Even Rouault, <even dot rouault at mines dash paris dot org>
00008  *
00009  **********************************************************************
00010  * Copyright (c) 2008-2009, Even Rouault <even dot rouault at mines-paris dot org>
00011  *
00012  * Permission is hereby granted, free of charge, to any person obtaining a
00013  * copy of this software and associated documentation files (the "Software"),
00014  * to deal in the Software without restriction, including without limitation
00015  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00016  * and/or sell copies of the Software, and to permit persons to whom the
00017  * Software is furnished to do so, subject to the following conditions:
00018  * 
00019  * The above copyright notice and this permission notice shall be included
00020  * in all copies or substantial portions of the Software.
00021  * 
00022  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00023  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00024  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
00025  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00026  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00027  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
00028  * DEALINGS IN THE SOFTWARE.
00029  ****************************************************************************/
00030 
00031 #ifndef _CPL_HASH_SET_H_INCLUDED
00032 #define _CPL_HASH_SET_H_INCLUDED
00033 
00034 #include "cpl_port.h"
00035 
00047 CPL_C_START
00048 
00049 /* Types */
00050 
00051 typedef struct _CPLHashSet CPLHashSet;
00052 
00053 typedef unsigned long (*CPLHashSetHashFunc)(const void* elt);
00054 
00055 typedef int          (*CPLHashSetEqualFunc)(const void* elt1, const void* elt2);
00056 
00057 typedef void         (*CPLHashSetFreeEltFunc)(void* elt);
00058 
00059 typedef int          (*CPLHashSetIterEltFunc)(void* elt, void* user_data);
00060 
00061 /* Functions */
00062 
00063 CPLHashSet CPL_DLL * CPLHashSetNew(CPLHashSetHashFunc fnHashFunc,
00064                                    CPLHashSetEqualFunc fnEqualFunc,
00065                                    CPLHashSetFreeEltFunc fnFreeEltFunc);
00066 
00067 void         CPL_DLL CPLHashSetDestroy(CPLHashSet* set);
00068 
00069 int          CPL_DLL CPLHashSetSize(const CPLHashSet* set);
00070 
00071 void         CPL_DLL CPLHashSetForeach(CPLHashSet* set,
00072                                        CPLHashSetIterEltFunc fnIterFunc,
00073                                        void* user_data);
00074 
00075 int          CPL_DLL CPLHashSetInsert(CPLHashSet* set, void* elt);
00076 
00077 void         CPL_DLL * CPLHashSetLookup(CPLHashSet* set, const void* elt);
00078 
00079 int          CPL_DLL CPLHashSetRemove(CPLHashSet* set, const void* elt);
00080 
00081 unsigned long CPL_DLL CPLHashSetHashPointer(const void* elt);
00082 
00083 int          CPL_DLL CPLHashSetEqualPointer(const void* elt1, const void* elt2);
00084 
00085 unsigned long CPL_DLL CPLHashSetHashStr(const void * pszStr);
00086 
00087 int          CPL_DLL CPLHashSetEqualStr(const void* pszStr1, const void* pszStr2);
00088 
00089 CPL_C_END
00090 
00091 #endif /* _CPL_HASH_SET_H_INCLUDED */
00092 

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