1 /* EINA - EFL data type library
2 * Copyright (C) 2002-2008 Carsten Haitzler, Gustavo Sverzut Barbieri,
3 * Vincent Torri, Jorge Luis Zapata Muga, Cedric Bail
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library;
17 * if not, see <http://www.gnu.org/licenses/>.
23 #include "eina_types.h"
24 #include "eina_iterator.h"
27 * @addtogroup Eina_Data_Types_Group Data Types
33 * @addtogroup Eina_Containers_Group Containers
39 * @defgroup Eina_Hash_Group Hash Table
44 typedef struct _Eina_Hash Eina_Hash;
45 typedef struct _Eina_Hash_Tuple Eina_Hash_Tuple;
46 struct _Eina_Hash_Tuple
51 unsigned int key_length;
54 typedef unsigned int (*Eina_Key_Length)(const void *key);
55 #define EINA_KEY_LENGTH(Function) ((Eina_Key_Length)Function)
56 typedef int (*Eina_Key_Cmp)(const void *key1, int key1_length,
57 const void *key2, int key2_length);
58 #define EINA_KEY_CMP(Function) ((Eina_Key_Cmp)Function)
59 typedef int (*Eina_Key_Hash)(const void *key, int key_length);
60 #define EINA_KEY_HASH(Function) ((Eina_Key_Hash)Function)
62 EAPI int eina_hash_init(void);
63 EAPI int eina_hash_shutdown(void);
65 EAPI Eina_Hash * eina_hash_new(Eina_Key_Length key_length_cb,
66 Eina_Key_Cmp key_cmp_cb,
67 Eina_Key_Hash key_hash_cb,
68 Eina_Free_Cb data_free_cb);
69 EAPI Eina_Hash * eina_hash_string_djb2_new(Eina_Free_Cb data_free_cb);
70 EAPI Eina_Hash * eina_hash_string_superfast_new(Eina_Free_Cb data_free_cb);
72 EAPI Eina_Bool eina_hash_add(Eina_Hash *hash, const void *key, const void *data);
73 EAPI Eina_Bool eina_hash_direct_add(Eina_Hash *hash, const void *key, const void *data);
74 EAPI Eina_Bool eina_hash_del(Eina_Hash *hash, const void *key, const void *data);
75 EAPI void * eina_hash_find(const Eina_Hash *hash, const void *key);
76 EAPI void * eina_hash_modify(Eina_Hash *hash, const void *key, const void *data);
77 EAPI void eina_hash_free(Eina_Hash *hash);
78 EAPI int eina_hash_population(const Eina_Hash *hash);
80 EAPI Eina_Bool eina_hash_add_by_hash(Eina_Hash *hash,
81 const void *key, int key_length, int key_hash,
83 EAPI Eina_Bool eina_hash_direct_add_by_hash(Eina_Hash *hash,
84 const void *key, int key_length, int key_hash,
86 EAPI Eina_Bool eina_hash_del_by_hash(Eina_Hash *hash,
87 const void *key, int key_length, int key_hash,
89 EAPI void * eina_hash_find_by_hash(const Eina_Hash *hash,
90 const void *key, int key_length, int key_hash);
91 EAPI void * eina_hash_modify_by_hash(Eina_Hash *hash,
92 const void *key, int key_length, int key_hash,
95 EAPI Eina_Iterator * eina_hash_iterator_key_new(const Eina_Hash *hash);
96 EAPI Eina_Iterator * eina_hash_iterator_data_new(const Eina_Hash *hash);
97 EAPI Eina_Iterator * eina_hash_iterator_tuple_new(const Eina_Hash *hash);
99 typedef Eina_Bool (*Eina_Foreach)(const Eina_Hash *hash, const void *key, void *data, void *fdata);
100 EAPI void eina_hash_foreach(const Eina_Hash *hash,
104 /* Paul Hsieh (http://www.azillionmonkeys.com/qed/hash.html) hash function
105 used by WebCore (http://webkit.org/blog/8/hashtables-part-2/) */
106 EAPI int eina_hash_superfast(const char *key, int len);
108 /* Hash function first reported by dan bernstein many years ago in comp.lang.c */
109 static inline int eina_hash_djb2(const char *key, int len);
111 #include "eina_inline_hash.x"
125 #endif /*EINA_HASH_H_*/