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
|
/* ################################################################### */
/* Copyright 2015, Pierre Gentile (p.gen.progs@gmail.com) */
/* */
/* This Source Code Form is subject to the terms of the Mozilla Public */
/* License, v. 2.0. If a copy of the MPL was not distributed with this */
/* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
/* ################################################################### */
#ifndef INDEX_H
#define INDEX_H
/* *************************************** */
/* Ternary Search Tree specific structures */
/* *************************************** */
typedef struct tst_node_s tst_node_t;
typedef struct sub_tst_s sub_tst_t;
#if 0 /* here for coherency but not used. */
void tst_cleanup(tst_node_t * p);
#endif
tst_node_t *
tst_insert(tst_node_t *p, wchar_t *w, void *data);
void *
tst_prefix_search(tst_node_t *root, wchar_t *w, int (*callback)(void *));
void *
tst_search(tst_node_t *root, wchar_t *w);
int
tst_traverse(tst_node_t *p, int (*callback)(void *), int first_call);
int
tst_substring_traverse(tst_node_t *p,
int (*callback)(void *),
int first_call,
wchar_t w);
int
tst_fuzzy_traverse(tst_node_t *p,
int (*callback)(void *),
int first_call,
wchar_t w);
sub_tst_t *
sub_tst_new(void);
void
insert_sorted_index(long **array, long *size, long *filled, long value);
void
insert_sorted_ptr(tst_node_t ***array,
long *size,
long *filled,
tst_node_t *ptr);
/* Ternary node structure */
/* """""""""""""""""""""" */
struct tst_node_s
{
wchar_t splitchar;
tst_node_t *lokid, *eqkid, *hikid;
void *data;
};
/* Structure to contain data and metadata attached to a fuzzy/substring. */
/* search step. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
struct sub_tst_s
{
tst_node_t **array;
long size;
long count;
};
#endif
|
