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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 02110-1301 USA
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _grn_dat grn_dat;
typedef struct _grn_dat_cursor grn_dat_cursor;
typedef struct _grn_table_scan_hit grn_dat_scan_hit;
GRN_API int grn_dat_scan(grn_ctx *ctx, grn_dat *dat, const char *str,
unsigned int str_size, grn_dat_scan_hit *scan_hits,
unsigned int max_num_scan_hits, const char **str_rest);
GRN_API grn_id grn_dat_lcp_search(grn_ctx *ctx, grn_dat *dat,
const void *key, unsigned int key_size);
GRN_API grn_dat *grn_dat_create(grn_ctx *ctx, const char *path, unsigned int key_size,
unsigned int value_size, unsigned int flags);
GRN_API grn_dat *grn_dat_open(grn_ctx *ctx, const char *path);
GRN_API grn_rc grn_dat_close(grn_ctx *ctx, grn_dat *dat);
GRN_API grn_rc grn_dat_remove(grn_ctx *ctx, const char *path);
GRN_API grn_id grn_dat_get(grn_ctx *ctx, grn_dat *dat, const void *key,
unsigned int key_size, void **value);
GRN_API grn_id grn_dat_add(grn_ctx *ctx, grn_dat *dat, const void *key,
unsigned int key_size, void **value, int *added);
GRN_API int grn_dat_get_key(grn_ctx *ctx, grn_dat *dat, grn_id id, void *keybuf, int bufsize);
GRN_API int grn_dat_get_key2(grn_ctx *ctx, grn_dat *dat, grn_id id, grn_obj *bulk);
GRN_API grn_rc grn_dat_delete_by_id(grn_ctx *ctx, grn_dat *dat, grn_id id,
grn_table_delete_optarg *optarg);
GRN_API grn_rc grn_dat_delete(grn_ctx *ctx, grn_dat *dat, const void *key, unsigned int key_size,
grn_table_delete_optarg *optarg);
GRN_API grn_rc grn_dat_update_by_id(grn_ctx *ctx, grn_dat *dat, grn_id src_key_id,
const void *dest_key, unsigned int dest_key_size);
GRN_API grn_rc grn_dat_update(grn_ctx *ctx, grn_dat *dat,
const void *src_key, unsigned int src_key_size,
const void *dest_key, unsigned int dest_key_size);
GRN_API unsigned int grn_dat_size(grn_ctx *ctx, grn_dat *dat);
GRN_API grn_dat_cursor *grn_dat_cursor_open(grn_ctx *ctx, grn_dat *dat,
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_dat_cursor_next(grn_ctx *ctx, grn_dat_cursor *c);
GRN_API void grn_dat_cursor_close(grn_ctx *ctx, grn_dat_cursor *c);
GRN_API int grn_dat_cursor_get_key(grn_ctx *ctx, grn_dat_cursor *c, const void **key);
GRN_API grn_rc grn_dat_cursor_delete(grn_ctx *ctx, grn_dat_cursor *c,
grn_table_delete_optarg *optarg);
#define GRN_DAT_EACH(ctx,dat,id,key,key_size,block) do {\
grn_dat_cursor *_sc = grn_dat_cursor_open(ctx, dat, NULL, 0, NULL, 0, 0, -1, 0);\
if (_sc) {\
grn_id id;\
unsigned int *_ks = (key_size);\
if (_ks) {\
while ((id = grn_dat_cursor_next(ctx, _sc))) {\
int _ks_raw = grn_dat_cursor_get_key(ctx, _sc, (const void **)(key));\
*(_ks) = (unsigned int)_ks_raw;\
block\
}\
} else {\
while ((id = grn_dat_cursor_next(ctx, _sc))) {\
grn_dat_cursor_get_key(ctx, _sc, (const void **)(key));\
block\
}\
}\
grn_dat_cursor_close(ctx, _sc);\
}\
} while (0)
#ifdef __cplusplus
}
#endif
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