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/*
Copyright(C) 2009-2016 Brazil
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#define GRN_HASH_TINY (0x01<<6)
typedef struct _grn_hash grn_hash;
typedef struct _grn_hash_cursor grn_hash_cursor;
GRN_API grn_hash *grn_hash_create(grn_ctx *ctx, const char *path, unsigned int key_size,
unsigned int value_size, unsigned int flags);
GRN_API grn_hash *grn_hash_open(grn_ctx *ctx, const char *path);
GRN_API grn_rc grn_hash_close(grn_ctx *ctx, grn_hash *hash);
GRN_API grn_id grn_hash_add(grn_ctx *ctx, grn_hash *hash, const void *key,
unsigned int key_size, void **value, int *added);
GRN_API grn_id grn_hash_get(grn_ctx *ctx, grn_hash *hash, const void *key,
unsigned int key_size, void **value);
GRN_API int grn_hash_get_key(grn_ctx *ctx, grn_hash *hash, grn_id id, void *keybuf, int bufsize);
GRN_API int grn_hash_get_key2(grn_ctx *ctx, grn_hash *hash, grn_id id, grn_obj *bulk);
GRN_API int grn_hash_get_value(grn_ctx *ctx, grn_hash *hash, grn_id id, void *valuebuf);
GRN_API grn_rc grn_hash_set_value(grn_ctx *ctx, grn_hash *hash, grn_id id,
const void *value, int flags);
GRN_API grn_rc grn_hash_delete_by_id(grn_ctx *ctx, grn_hash *hash, grn_id id,
grn_table_delete_optarg *optarg);
GRN_API grn_rc grn_hash_delete(grn_ctx *ctx, grn_hash *hash,
const void *key, unsigned int key_size,
grn_table_delete_optarg *optarg);
GRN_API uint32_t grn_hash_size(grn_ctx *ctx, grn_hash *hash);
GRN_API grn_hash_cursor *grn_hash_cursor_open(grn_ctx *ctx, grn_hash *hash,
const void *min, unsigned int min_size,
const void *max, unsigned int max_size,
int offset, int limit, int flags);
GRN_API grn_id grn_hash_cursor_next(grn_ctx *ctx, grn_hash_cursor *c);
GRN_API void grn_hash_cursor_close(grn_ctx *ctx, grn_hash_cursor *c);
GRN_API int grn_hash_cursor_get_key(grn_ctx *ctx, grn_hash_cursor *c, void **key);
GRN_API int grn_hash_cursor_get_value(grn_ctx *ctx, grn_hash_cursor *c, void **value);
GRN_API grn_rc grn_hash_cursor_set_value(grn_ctx *ctx, grn_hash_cursor *c,
const void *value, int flags);
GRN_API int grn_hash_cursor_get_key_value(grn_ctx *ctx, grn_hash_cursor *c,
void **key, unsigned int *key_size, void **value);
GRN_API grn_rc grn_hash_cursor_delete(grn_ctx *ctx, grn_hash_cursor *c,
grn_table_delete_optarg *optarg);
#define GRN_HASH_EACH(ctx,hash,id,key,key_size,value,block) do {\
grn_hash_cursor *_sc = grn_hash_cursor_open(ctx, hash, NULL, 0, NULL, 0, 0, -1, 0); \
if (_sc) {\
grn_id id;\
while ((id = grn_hash_cursor_next(ctx, _sc))) {\
grn_hash_cursor_get_key_value(ctx, _sc, (void **)(key),\
(key_size), (void **)(value));\
block\
}\
grn_hash_cursor_close(ctx, _sc);\
}\
} while (0)
#define GRN_HASH_EACH_BEGIN(ctx, hash, cursor, id) do {\
grn_hash_cursor *cursor;\
cursor = grn_hash_cursor_open((ctx), (hash),\
NULL, 0, NULL, 0,\
0, -1, GRN_CURSOR_BY_ID);\
if (cursor) {\
grn_id id;\
while ((id = grn_hash_cursor_next((ctx), cursor)) != GRN_ID_NIL) {
#define GRN_HASH_EACH_END(ctx, cursor)\
}\
grn_hash_cursor_close((ctx), cursor);\
}\
} while(0)
#ifdef __cplusplus
}
#endif
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