210 lines
9.4 KiB
C
210 lines
9.4 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __BLI_GHASH_H__
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#define __BLI_GHASH_H__
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/** \file BLI_ghash.h
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* \ingroup bli
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* \brief A general (pointer -> pointer) hash table ADT
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*/
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#include "BLI_sys_types.h" /* for bool */
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#include "BLI_compiler_attrs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef unsigned int (*GHashHashFP) (const void *key);
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typedef int (*GHashCmpFP) (const void *a, const void *b);
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typedef void (*GHashKeyFreeFP) (void *key);
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typedef void (*GHashValFreeFP) (void *val);
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typedef struct GHash GHash;
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typedef struct GHashIterator {
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GHash *gh;
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struct Entry *curEntry;
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unsigned int curBucket;
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} GHashIterator;
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enum {
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GHASH_FLAG_ALLOW_DUPES = (1 << 0), /* only checked for in debug mode */
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};
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/* *** */
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GHash *BLI_ghash_new_ex(GHashHashFP hashfp, GHashCmpFP cmpfp, const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_new(GHashHashFP hashfp, GHashCmpFP cmpfp, const char *info) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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void BLI_ghash_free(GHash *gh, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
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void BLI_ghash_insert(GHash *gh, void *key, void *val);
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bool BLI_ghash_reinsert(GHash *gh, void *key, void *val, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
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void *BLI_ghash_lookup(GHash *gh, const void *key) ATTR_WARN_UNUSED_RESULT;
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void **BLI_ghash_lookup_p(GHash *gh, const void *key) ATTR_WARN_UNUSED_RESULT;
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bool BLI_ghash_remove(GHash *gh, void *key, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
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void BLI_ghash_clear(GHash *gh, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);
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void BLI_ghash_clear_ex(GHash *gh, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp,
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const unsigned int nentries_reserve);
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void *BLI_ghash_popkey(GHash *gh, void *key, GHashKeyFreeFP keyfreefp) ATTR_WARN_UNUSED_RESULT;
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bool BLI_ghash_haskey(GHash *gh, const void *key) ATTR_WARN_UNUSED_RESULT;
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int BLI_ghash_size(GHash *gh) ATTR_WARN_UNUSED_RESULT;
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void BLI_ghash_flag_set(GHash *gh, unsigned int flag);
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void BLI_ghash_flag_clear(GHash *gh, unsigned int flag);
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/* *** */
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GHashIterator *BLI_ghashIterator_new(GHash *gh) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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void BLI_ghashIterator_init(GHashIterator *ghi, GHash *gh);
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void BLI_ghashIterator_free(GHashIterator *ghi);
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void BLI_ghashIterator_step(GHashIterator *ghi);
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BLI_INLINE void *BLI_ghashIterator_getKey(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
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BLI_INLINE void *BLI_ghashIterator_getValue(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
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BLI_INLINE void **BLI_ghashIterator_getValue_p(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
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BLI_INLINE bool BLI_ghashIterator_done(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
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struct _gh_Entry { void *next, *key, *val; };
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BLI_INLINE void *BLI_ghashIterator_getKey(GHashIterator *ghi) { return ((struct _gh_Entry *)ghi->curEntry)->key; }
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BLI_INLINE void *BLI_ghashIterator_getValue(GHashIterator *ghi) { return ((struct _gh_Entry *)ghi->curEntry)->val; }
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BLI_INLINE void **BLI_ghashIterator_getValue_p(GHashIterator *ghi) { return &((struct _gh_Entry *)ghi->curEntry)->val; }
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BLI_INLINE bool BLI_ghashIterator_done(GHashIterator *ghi) { return !ghi->curEntry; }
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/* disallow further access */
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#ifdef __GNUC__
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# pragma GCC poison _gh_Entry
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#else
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# define _gh_Entry void
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#endif
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#define GHASH_ITER(gh_iter_, ghash_) \
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for (BLI_ghashIterator_init(&gh_iter_, ghash_); \
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BLI_ghashIterator_done(&gh_iter_) == false; \
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BLI_ghashIterator_step(&gh_iter_))
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#define GHASH_ITER_INDEX(gh_iter_, ghash_, i_) \
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for (BLI_ghashIterator_init(&gh_iter_, ghash_), i_ = 0; \
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BLI_ghashIterator_done(&gh_iter_) == false; \
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BLI_ghashIterator_step(&gh_iter_), i_++)
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/* *** */
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unsigned int BLI_ghashutil_ptrhash(const void *key);
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int BLI_ghashutil_ptrcmp(const void *a, const void *b);
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unsigned int BLI_ghashutil_strhash(const void *key);
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int BLI_ghashutil_strcmp(const void *a, const void *b);
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unsigned int BLI_ghashutil_inthash(const void *ptr);
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int BLI_ghashutil_intcmp(const void *a, const void *b);
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GHash *BLI_ghash_ptr_new_ex(const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_ptr_new(const char *info) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_str_new_ex(const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_str_new(const char *info) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_int_new_ex(const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_int_new(const char *info) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_pair_new_ex(const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GHash *BLI_ghash_pair_new(const char *info) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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typedef struct GHashPair {
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const void *first;
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const void *second;
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} GHashPair;
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GHashPair *BLI_ghashutil_pairalloc(const void *first, const void *second);
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unsigned int BLI_ghashutil_pairhash(const void *ptr);
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int BLI_ghashutil_paircmp(const void *a, const void *b);
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void BLI_ghashutil_pairfree(void *ptr);
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/* *** */
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typedef struct GSet GSet;
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typedef GHashHashFP GSetHashFP;
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typedef GHashCmpFP GSetCmpFP;
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typedef GHashKeyFreeFP GSetKeyFreeFP;
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/* so we can cast but compiler sees as different */
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typedef struct GSetIterator {
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GHashIterator _ghi
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#ifdef __GNUC__
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__attribute__ ((deprecated))
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#endif
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;
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} GSetIterator;
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GSet *BLI_gset_new_ex(GSetHashFP hashfp, GSetCmpFP cmpfp, const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GSet *BLI_gset_new(GSetHashFP hashfp, GSetCmpFP cmpfp, const char *info) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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int BLI_gset_size(GSet *gs) ATTR_WARN_UNUSED_RESULT;
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void BLI_gset_free(GSet *gs, GSetKeyFreeFP keyfreefp);
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void BLI_gset_insert(GSet *gh, void *key);
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bool BLI_gset_reinsert(GSet *gh, void *key, GSetKeyFreeFP keyfreefp);
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bool BLI_gset_haskey(GSet *gs, const void *key) ATTR_WARN_UNUSED_RESULT;
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bool BLI_gset_remove(GSet *gs, void *key, GSetKeyFreeFP keyfreefp);
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void BLI_gset_clear_ex(GSet *gs, GSetKeyFreeFP keyfreefp,
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const unsigned int nentries_reserve);
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void BLI_gset_clear(GSet *gs, GSetKeyFreeFP keyfreefp);
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GSet *BLI_gset_ptr_new_ex(const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GSet *BLI_gset_ptr_new(const char *info);
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GSet *BLI_gset_pair_new_ex(const char *info,
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const unsigned int nentries_reserve) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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GSet *BLI_gset_pair_new(const char *info) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT;
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/* rely on inline api for now */
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BLI_INLINE GSetIterator *BLI_gsetIterator_new(GSet *gs) { return (GSetIterator *)BLI_ghashIterator_new((GHash *)gs); }
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BLI_INLINE void BLI_gsetIterator_init(GSetIterator *gsi, GSet *gs) { BLI_ghashIterator_init((GHashIterator *)gsi, (GHash *)gs); }
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BLI_INLINE void BLI_gsetIterator_free(GSetIterator *gsi) { BLI_ghashIterator_free((GHashIterator *)gsi); }
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BLI_INLINE void *BLI_gsetIterator_getKey(GSetIterator *gsi) { return BLI_ghashIterator_getKey((GHashIterator *)gsi); }
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BLI_INLINE void BLI_gsetIterator_step(GSetIterator *gsi) { BLI_ghashIterator_step((GHashIterator *)gsi); }
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BLI_INLINE bool BLI_gsetIterator_done(GSetIterator *gsi) { return BLI_ghashIterator_done((GHashIterator *)gsi); }
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#define GSET_ITER(gs_iter_, gset_) \
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for (BLI_gsetIterator_init(&gs_iter_, gset_); \
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BLI_gsetIterator_done(&gs_iter_) == false; \
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BLI_gsetIterator_step(&gs_iter_))
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#define GSET_ITER_INDEX(gs_iter_, gset_, i_) \
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for (BLI_gsetIterator_init(&gs_iter_, gset_), i_ = 0; \
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BLI_gsetIterator_done(&gs_iter_) == false; \
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BLI_gsetIterator_step(&gs_iter_), i_++)
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BLI_GHASH_H__ */
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