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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BLI_GHASH_H__
#define __BLI_GHASH_H__
/** \file BLI_ghash.h
* \ingroup bli
* \brief A general (pointer -> pointer) hash table ADT
*/
#include "BLI_sys_types.h" /* for bool */
#ifdef __cplusplus
extern "C" {
#endif
typedef unsigned int (*GHashHashFP) (const void *key);
typedef int (*GHashCmpFP) (const void *a, const void *b);
typedef void (*GHashKeyFreeFP) (void *key);
typedef void (*GHashValFreeFP) (void *val);
typedef struct GHash GHash;
typedef struct GHashIterator {
GHash *gh;
struct Entry *curEntry;
unsigned int curBucket;
} GHashIterator;
enum {
GHASH_FLAG_ALLOW_DUPES = (1 << 0), /* only checked for in debug mode */
};
/* *** */
GHash *BLI_ghash_new_ex(GHashHashFP hashfp, GHashCmpFP cmpfp, const char *info,
const unsigned int nentries_reserve);
GHash *BLI_ghash_new(GHashHashFP hashfp, GHashCmpFP cmpfp, const char *info);
void BLI_ghash_free(GHash *gh, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
void BLI_ghash_insert(GHash *gh, void *key, void *val);
void BLI_ghash_reinsert(GHash *gh, void *key, void *val, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
void *BLI_ghash_lookup(GHash *gh, const void *key);
void **BLI_ghash_lookup_p(GHash *gh, const void *key);
bool BLI_ghash_remove(GHash *gh, void *key, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
void BLI_ghash_clear(GHash *gh, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
void BLI_ghash_clear_ex(GHash *gh, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp,
const unsigned int nentries_reserve);
void *BLI_ghash_pop(GHash *gh, void *key, GHashKeyFreeFP keyfreefp);
bool BLI_ghash_haskey(GHash *gh, const void *key);
int BLI_ghash_size(GHash *gh);
void BLI_ghash_flag_set(GHash *gh, unsigned int flag);
void BLI_ghash_flag_clear(GHash *gh, unsigned int flag);
/* *** */
GHashIterator *BLI_ghashIterator_new(GHash *gh);
void BLI_ghashIterator_init(GHashIterator *ghi, GHash *gh);
void BLI_ghashIterator_free(GHashIterator *ghi);
void *BLI_ghashIterator_getKey(GHashIterator *ghi);
void *BLI_ghashIterator_getValue(GHashIterator *ghi);
void BLI_ghashIterator_step(GHashIterator *ghi);
bool BLI_ghashIterator_done(GHashIterator *ghi);
#define GHASH_ITER(gh_iter_, ghash_) \
for (BLI_ghashIterator_init(&gh_iter_, ghash_); \
BLI_ghashIterator_done(&gh_iter_) == false; \
BLI_ghashIterator_step(&gh_iter_))
#define GHASH_ITER_INDEX(gh_iter_, ghash_, i_) \
for (BLI_ghashIterator_init(&gh_iter_, ghash_), i_ = 0; \
BLI_ghashIterator_done(&gh_iter_) == false; \
BLI_ghashIterator_step(&gh_iter_), i_++)
/* *** */
unsigned int BLI_ghashutil_ptrhash(const void *key);
int BLI_ghashutil_ptrcmp(const void *a, const void *b);
unsigned int BLI_ghashutil_strhash(const void *key);
int BLI_ghashutil_strcmp(const void *a, const void *b);
unsigned int BLI_ghashutil_inthash(const void *ptr);
int BLI_ghashutil_intcmp(const void *a, const void *b);
GHash *BLI_ghash_ptr_new_ex(const char *info,
const unsigned int nentries_reserve);
GHash *BLI_ghash_ptr_new(const char *info);
GHash *BLI_ghash_str_new_ex(const char *info,
const unsigned int nentries_reserve);
GHash *BLI_ghash_str_new(const char *info);
GHash *BLI_ghash_int_new_ex(const char *info,
const unsigned int nentries_reserve);
GHash *BLI_ghash_int_new(const char *info);
GHash *BLI_ghash_pair_new_ex(const char *info,
const unsigned int nentries_reserve);
GHash *BLI_ghash_pair_new(const char *info);
typedef struct GHashPair {
const void *first;
const void *second;
} GHashPair;
GHashPair *BLI_ghashutil_pairalloc(const void *first, const void *second);
unsigned int BLI_ghashutil_pairhash(const void *ptr);
int BLI_ghashutil_paircmp(const void *a, const void *b);
void BLI_ghashutil_pairfree(void *ptr);
#ifdef __cplusplus
}
#endif
#endif /* __BLI_GHASH_H__ */
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