PostgreSQL Source Code: src/include/tsearch/dicts/regis.h Source File

PostgreSQL Source Code git master
regis.h
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1/*-------------------------------------------------------------------------
2 *
3 * regis.h
4 *
5 * Declarations for fast regex subset, used by ISpell
6 *
7 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
8 *
9 * src/include/tsearch/dicts/regis.h
10 *
11 *-------------------------------------------------------------------------
12 */
13
14#ifndef __REGIS_H__
15#define __REGIS_H__
16
17 typedef struct RegisNode
18{
19 uint32
20 type:2,
21 len:16,
22 unused:14;
23 struct RegisNode *next;
24 unsigned char data[FLEXIBLE_ARRAY_MEMBER];
25 } RegisNode;
26
27 #define RNHDRSZ (offsetof(RegisNode,data))
28
29 #define RSF_ONEOF 1
30 #define RSF_NONEOF 2
31
32 typedef struct Regis
33{
34 RegisNode *node;
35 uint32
36 issuffix:1,
37 nchar:16,
38 unused:15;
39 } Regis;
40
41extern bool RS_isRegis(const char *str);
42
43extern void RS_compile(Regis *r, bool issuffix, const char *str);
44extern void RS_free(Regis *r);
45
46/*returns true if matches */
47extern bool RS_execute(Regis *r, char *str);
48
49#endif
#define FLEXIBLE_ARRAY_MEMBER
Definition: c.h:470
uint32_t uint32
Definition: c.h:538
const char * str
struct RegisNode RegisNode
void RS_compile(Regis *r, bool issuffix, const char *str)
Definition: regis.c:85
bool RS_execute(Regis *r, char *str)
Definition: regis.c:213
bool RS_isRegis(const char *str)
Definition: regis.c:31
struct Regis Regis
void RS_free(Regis *r)
Definition: regis.c:166
Definition: regis.h:18
unsigned char data[FLEXIBLE_ARRAY_MEMBER]
Definition: regis.h:24
uint32 len
Definition: regis.h:21
struct RegisNode * next
Definition: regis.h:23
uint32 unused
Definition: regis.h:22
uint32 type
Definition: regis.h:20
Definition: regis.h:33
uint32 issuffix
Definition: regis.h:36
uint32 unused
Definition: regis.h:38
RegisNode * node
Definition: regis.h:34
uint32 nchar
Definition: regis.h:37

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