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/* EINA - EFL data type library
* Copyright (C) 2002-2008 Carsten Haitzler, Gustavo Sverzut Barbieri,
* Vincent Torri, Jorge Luis Zapata Muga, Cedric Bail
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <https://www.gnu.org/licenses/>.
*/
#ifndef EINA_HASH_H_
#define EINA_HASH_H_
#include "eina_types.h"
#include "eina_iterator.h"
/**
* @addtogroup Eina_Data_Types_Group Data Types
*
* @{
*/
/**
* @addtogroup Eina_Containers_Group Containers
*
* @{
*/
/**
* @defgroup Eina_Hash_Group Hash Table
*
* @{
*/
/**
* @typedef Eina_Hash
* Type for a generic hash table.
*/
typedef struct _Eina_Hash Eina_Hash;
typedef struct _Eina_Hash_Tuple Eina_Hash_Tuple;
struct _Eina_Hash_Tuple {
const void *key;
/**< The key */
void *data;
/**< The data associated to the key */
unsigned int key_length;
/**< The length of the key */
};
typedef unsigned int (*Eina_Key_Length) (const void *key);
#define EINA_KEY_LENGTH(Function) ((Eina_Key_Length)Function)
typedef int (*Eina_Key_Cmp) (const void *key1, int key1_length,
const void *key2, int key2_length);
#define EINA_KEY_CMP(Function) ((Eina_Key_Cmp)Function)
typedef int (*Eina_Key_Hash) (const void *key, int key_length);
#define EINA_KEY_HASH(Function) ((Eina_Key_Hash)Function)
typedef Eina_Bool(*Eina_Hash_Foreach) (const Eina_Hash * hash,
const void *key, void *data,
void *fdata);
EAPI Eina_Hash *eina_hash_new(Eina_Key_Length key_length_cb,
Eina_Key_Cmp key_cmp_cb,
Eina_Key_Hash key_hash_cb,
Eina_Free_Cb data_free_cb,
int buckets_power_size)
EINA_MALLOC EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(2, 3);
EAPI Eina_Hash *eina_hash_string_djb2_new(Eina_Free_Cb data_free_cb);
EAPI Eina_Hash *eina_hash_string_superfast_new(Eina_Free_Cb data_free_cb);
EAPI Eina_Hash *eina_hash_string_small_new(Eina_Free_Cb data_free_cb);
EAPI Eina_Hash *eina_hash_int32_new(Eina_Free_Cb data_free_cb);
EAPI Eina_Hash *eina_hash_int64_new(Eina_Free_Cb data_free_cb);
EAPI Eina_Hash *eina_hash_pointer_new(Eina_Free_Cb data_free_cb);
EAPI Eina_Hash *eina_hash_stringshared_new(Eina_Free_Cb data_free_cb);
EAPI Eina_Bool eina_hash_add(Eina_Hash * hash,
const void *key,
const void *data) EINA_ARG_NONNULL(1, 2, 3);
EAPI Eina_Bool eina_hash_direct_add(Eina_Hash * hash,
const void *key,
const void *data) EINA_ARG_NONNULL(1,
2,
3);
EAPI Eina_Bool eina_hash_del(Eina_Hash * hash, const void *key,
const void *data) EINA_ARG_NONNULL(1);
EAPI void *eina_hash_find(const Eina_Hash * hash,
const void *key) EINA_ARG_NONNULL(1, 2);
EAPI void *eina_hash_modify(Eina_Hash * hash, const void *key,
const void *data) EINA_ARG_NONNULL(1, 2, 3);
EAPI void *eina_hash_set(Eina_Hash * hash, const void *key,
const void *data) EINA_ARG_NONNULL(1, 2, 3);
EAPI Eina_Bool eina_hash_move(Eina_Hash * hash, const void *old_key,
const void *new_key) EINA_ARG_NONNULL(1, 2,
3);
EAPI void eina_hash_free(Eina_Hash * hash) EINA_ARG_NONNULL(1);
EAPI void eina_hash_free_buckets(Eina_Hash * hash) EINA_ARG_NONNULL(1);
EAPI int eina_hash_population(const Eina_Hash * hash) EINA_ARG_NONNULL(1);
EAPI Eina_Bool eina_hash_add_by_hash(Eina_Hash * hash,
const void *key,
int key_length,
int key_hash,
const void *data) EINA_ARG_NONNULL(1,
2,
5);
EAPI Eina_Bool eina_hash_direct_add_by_hash(Eina_Hash * hash,
const void *key,
int key_length, int key_hash,
const void *data)
EINA_ARG_NONNULL(1, 2, 5);
EAPI Eina_Bool eina_hash_del_by_key_hash(Eina_Hash * hash, const void *key,
int key_length,
int key_hash) EINA_ARG_NONNULL(1,
2);
EAPI Eina_Bool eina_hash_del_by_key(Eina_Hash * hash,
const void *key) EINA_ARG_NONNULL(1,
2);
EAPI Eina_Bool eina_hash_del_by_data(Eina_Hash * hash,
const void *data) EINA_ARG_NONNULL(1,
2);
EAPI Eina_Bool eina_hash_del_by_hash(Eina_Hash * hash, const void *key,
int key_length, int key_hash,
const void *data) EINA_ARG_NONNULL(1);
EAPI void *eina_hash_find_by_hash(const Eina_Hash * hash, const void *key,
int key_length,
int key_hash) EINA_ARG_NONNULL(1, 2);
EAPI void *eina_hash_modify_by_hash(Eina_Hash * hash, const void *key,
int key_length, int key_hash,
const void *data) EINA_ARG_NONNULL(1,
2,
5);
EAPI Eina_Iterator *eina_hash_iterator_key_new(const Eina_Hash * hash)
EINA_MALLOC EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
EAPI Eina_Iterator *eina_hash_iterator_data_new(const Eina_Hash * hash)
EINA_MALLOC EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
EAPI Eina_Iterator *eina_hash_iterator_tuple_new(const Eina_Hash * hash)
EINA_MALLOC EINA_ARG_NONNULL(1) EINA_WARN_UNUSED_RESULT;
EAPI void eina_hash_foreach(const Eina_Hash * hash,
Eina_Hash_Foreach cb,
const void *fdata) EINA_ARG_NONNULL(1, 2);
/* Paul Hsieh (http://www.azillionmonkeys.com/qed/hash.html) hash function used by WebCore (http://webkit.org/blog/8/hashtables-part-2/) */
EAPI int eina_hash_superfast(const char *key, int len) EINA_ARG_NONNULL(1);
/* Hash function first reported by dan bernstein many years ago in comp.lang.c */
static inline int eina_hash_djb2(const char *key,
int len) EINA_ARG_NONNULL(1);
static inline int eina_hash_djb2_len(const char *key,
int *plen) EINA_ARG_NONNULL(1, 2);
/* Hash function from http://www.concentric.net/~Ttwang/tech/inthash.htm */
static inline int eina_hash_int32(const unsigned int *pkey,
int len) EINA_ARG_NONNULL(1);
static inline int eina_hash_int64(const unsigned long int *pkey,
int len) EINA_ARG_NONNULL(1);
#include "eina_inline_hash.x"
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /*EINA_HASH_H_ */
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