1/*
2 Copyright(C) 2009-2016 Brazil
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with this library; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17*/
18
19#pragma once
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25typedef struct _grn_dat grn_dat;
26typedef struct _grn_dat_cursor grn_dat_cursor;
27typedef struct _grn_table_scan_hit grn_dat_scan_hit;
28
29GRN_API int grn_dat_scan(grn_ctx *ctx, grn_dat *dat, const char *str,
30 unsigned int str_size, grn_dat_scan_hit *scan_hits,
31 unsigned int max_num_scan_hits, const char **str_rest);
32
33GRN_API grn_id grn_dat_lcp_search(grn_ctx *ctx, grn_dat *dat,
34 const void *key, unsigned int key_size);
35
36GRN_API grn_dat *grn_dat_create(grn_ctx *ctx, const char *path, unsigned int key_size,
37 unsigned int value_size, unsigned int flags);
38
39GRN_API grn_dat *grn_dat_open(grn_ctx *ctx, const char *path);
40
41GRN_API grn_rc grn_dat_close(grn_ctx *ctx, grn_dat *dat);
42
43GRN_API grn_rc grn_dat_remove(grn_ctx *ctx, const char *path);
44
45GRN_API grn_id grn_dat_get(grn_ctx *ctx, grn_dat *dat, const void *key,
46 unsigned int key_size, void **value);
47GRN_API grn_id grn_dat_add(grn_ctx *ctx, grn_dat *dat, const void *key,
48 unsigned int key_size, void **value, int *added);
49
50GRN_API int grn_dat_get_key(grn_ctx *ctx, grn_dat *dat, grn_id id, void *keybuf, int bufsize);
51GRN_API int grn_dat_get_key2(grn_ctx *ctx, grn_dat *dat, grn_id id, grn_obj *bulk);
52
53GRN_API grn_rc grn_dat_delete_by_id(grn_ctx *ctx, grn_dat *dat, grn_id id,
54 grn_table_delete_optarg *optarg);
55GRN_API grn_rc grn_dat_delete(grn_ctx *ctx, grn_dat *dat, const void *key, unsigned int key_size,
56 grn_table_delete_optarg *optarg);
57
58GRN_API grn_rc grn_dat_update_by_id(grn_ctx *ctx, grn_dat *dat, grn_id src_key_id,
59 const void *dest_key, unsigned int dest_key_size);
60GRN_API grn_rc grn_dat_update(grn_ctx *ctx, grn_dat *dat,
61 const void *src_key, unsigned int src_key_size,
62 const void *dest_key, unsigned int dest_key_size);
63
64GRN_API unsigned int grn_dat_size(grn_ctx *ctx, grn_dat *dat);
65
66GRN_API grn_dat_cursor *grn_dat_cursor_open(grn_ctx *ctx, grn_dat *dat,
67 const void *min, unsigned int min_size,
68 const void *max, unsigned int max_size,
69 int offset, int limit, int flags);
70GRN_API grn_id grn_dat_cursor_next(grn_ctx *ctx, grn_dat_cursor *c);
71GRN_API void grn_dat_cursor_close(grn_ctx *ctx, grn_dat_cursor *c);
72
73GRN_API int grn_dat_cursor_get_key(grn_ctx *ctx, grn_dat_cursor *c, const void **key);
74GRN_API grn_rc grn_dat_cursor_delete(grn_ctx *ctx, grn_dat_cursor *c,
75 grn_table_delete_optarg *optarg);
76
77#define GRN_DAT_EACH(ctx,dat,id,key,key_size,block) do {\
78 grn_dat_cursor *_sc = grn_dat_cursor_open(ctx, dat, NULL, 0, NULL, 0, 0, -1, 0);\
79 if (_sc) {\
80 grn_id id;\
81 unsigned int *_ks = (key_size);\
82 if (_ks) {\
83 while ((id = grn_dat_cursor_next(ctx, _sc))) {\
84 int _ks_raw = grn_dat_cursor_get_key(ctx, _sc, (const void **)(key));\
85 *(_ks) = (unsigned int)_ks_raw;\
86 block\
87 }\
88 } else {\
89 while ((id = grn_dat_cursor_next(ctx, _sc))) {\
90 grn_dat_cursor_get_key(ctx, _sc, (const void **)(key));\
91 block\
92 }\
93 }\
94 grn_dat_cursor_close(ctx, _sc);\
95 }\
96} while (0)
97
98#ifdef __cplusplus
99}
100#endif
101