1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/* -*- c-basic-offset: 2 -*- */
/*
Copyright(C) 2015 Brazil
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
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
*/
#include <string.h>
#include "grn.h"
#include "grn_db.h"
#include "grn_scorer.h"
#include <groonga/scorer.h>
grn_obj *
grn_scorer_matched_record_get_table(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->table;
}
grn_obj *
grn_scorer_matched_record_get_lexicon(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->lexicon;
}
grn_id
grn_scorer_matched_record_get_id(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->id;
}
grn_obj *
grn_scorer_matched_record_get_terms(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return &(record->terms);
}
grn_obj *
grn_scorer_matched_record_get_term_weights(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return &(record->term_weights);
}
unsigned int
grn_scorer_matched_record_get_total_term_weights(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->total_term_weights;
}
long long unsigned int
grn_scorer_matched_record_get_n_documents(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->n_documents;
}
unsigned int
grn_scorer_matched_record_get_n_occurrences(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->n_occurrences;
}
long long unsigned int
grn_scorer_matched_record_get_n_candidates(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->n_candidates;
}
unsigned int
grn_scorer_matched_record_get_n_tokens(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->n_tokens;
}
int
grn_scorer_matched_record_get_weight(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
return record->weight;
}
grn_obj *
grn_scorer_matched_record_get_arg(grn_ctx *ctx,
grn_scorer_matched_record *record,
unsigned int i)
{
grn_expr *expr;
grn_expr_code *codes_original;
uint32_t codes_curr_original;
grn_obj *arg;
if (!record->args_expr) {
return NULL;
}
expr = (grn_expr *)(record->args_expr);
/* TODO: support getting column value */
codes_original = expr->codes;
codes_curr_original = expr->codes_curr;
expr->codes += record->args_expr_offset;
expr->codes_curr = 1; /* TODO: support 1 or more codes */
arg = grn_expr_exec(ctx, (grn_obj *)expr, 0);
expr->codes_curr = codes_curr_original;
expr->codes = codes_original;
return arg;
}
unsigned int
grn_scorer_matched_record_get_n_args(grn_ctx *ctx,
grn_scorer_matched_record *record)
{
grn_expr *expr;
grn_expr_code *codes;
unsigned int n_args = 0;
if (!record->args_expr) {
return 0;
}
expr = (grn_expr *)(record->args_expr);
codes = expr->codes + record->args_expr_offset;
if (codes[0].op == GRN_OP_CALL) {
return 0;
}
n_args++;
for (; codes[0].op != GRN_OP_CALL; codes++) {
if (codes[0].op == GRN_OP_COMMA) {
n_args++;
}
}
return n_args;
}
grn_rc
grn_scorer_register(grn_ctx *ctx,
const char *plugin_name_ptr,
int plugin_name_length,
grn_scorer_score_func *score)
{
if (plugin_name_length == -1) {
plugin_name_length = strlen(plugin_name_ptr);
}
{
grn_obj *scorer_object = grn_proc_create(ctx,
plugin_name_ptr,
plugin_name_length,
GRN_PROC_SCORER,
NULL, NULL, NULL, 0, NULL);
if (scorer_object == NULL) {
GRN_PLUGIN_ERROR(ctx, GRN_SCORER_ERROR,
"[scorer][%.*s] failed to grn_proc_create()",
plugin_name_length, plugin_name_ptr);
return ctx->rc;
}
{
grn_proc *scorer = (grn_proc *)scorer_object;
scorer->callbacks.scorer.score = score;
}
}
return GRN_SUCCESS;
}
|
