/src/postgres/src/include/tsearch/ts_locale.h

Source
/*-------------------------------------------------------------------------
 *
 * ts_locale.h
 *    locale compatibility layer for tsearch
 *
 * Copyright (c) 1998-2026, PostgreSQL Global Development Group
 *
 * src/include/tsearch/ts_locale.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef __TSLOCALE_H__
#define __TSLOCALE_H__

#include <ctype.h>
#include <limits.h>
#include <wctype.h>

#include "lib/stringinfo.h"
#include "mb/pg_wchar.h"
#include "utils/pg_locale.h"

/* working state for tsearch_readline (should be a local var in caller) */
typedef struct
{
  FILE     *fp;
  const char *filename;
  int     lineno;
  StringInfoData buf;     /* current input line, in UTF-8 */
  char     *curline;    /* current input line, in DB's encoding */
  /* curline may be NULL, or equal to buf.data, or a palloc'd string */
  ErrorContextCallback cb;
} tsearch_readline_state;

#define TOUCHAR(x)  (*((const unsigned char *) (x)))

/* The second argument of t_iseq() must be a plain ASCII character */
#define t_iseq(x,c)   (TOUCHAR(x) == (unsigned char) (c))

/* Copy multibyte character of known byte length, return byte length. */
static inline int
ts_copychar_with_len(void *dest, const void *src, int length)
{
  memcpy(dest, src, length);
  return length;
}

/* Copy multibyte character from null-terminated string,  return byte length. */
static inline int
ts_copychar_cstr(void *dest, const void *src)
{
  return ts_copychar_with_len(dest, src, pg_mblen_cstr((const char *) src));
}

/* Historical macro for the above. */
#define COPYCHAR ts_copychar_cstr

#define GENERATE_T_ISCLASS_DECL(character_class) \
extern int  t_is##character_class##_with_len(const char *ptr, int mblen); \
extern int  t_is##character_class##_cstr(const char *ptr); \
extern int  t_is##character_class##_unbounded(const char *ptr); \
\
/* deprecated */ \
extern int  t_is##character_class(const char *ptr);

GENERATE_T_ISCLASS_DECL(alnum);
GENERATE_T_ISCLASS_DECL(alpha);

extern bool tsearch_readline_begin(tsearch_readline_state *stp,
                   const char *filename);
extern char *tsearch_readline(tsearch_readline_state *stp);
extern void tsearch_readline_end(tsearch_readline_state *stp);

#endif              /* __TSLOCALE_H__ */

Line	Count	Source
1		/*-------------------------------------------------------------------------
2		*
3		* ts_locale.h
4		* locale compatibility layer for tsearch
5		*
6		* Copyright (c) 1998-2026, PostgreSQL Global Development Group
7		*
8		* src/include/tsearch/ts_locale.h
9		*
10		*-------------------------------------------------------------------------
11		*/
12		#ifndef __TSLOCALE_H__
13		#define __TSLOCALE_H__
14
15		#include <ctype.h>
16		#include <limits.h>
17		#include <wctype.h>
18
19		#include "lib/stringinfo.h"
20		#include "mb/pg_wchar.h"
21		#include "utils/pg_locale.h"
22
23		/* working state for tsearch_readline (should be a local var in caller) */
24		typedef struct
25		{
26		FILE *fp;
27		const char *filename;
28		int lineno;
29		StringInfoData buf; /* current input line, in UTF-8 */
30		char curline; / current input line, in DB's encoding */
31		/* curline may be NULL, or equal to buf.data, or a palloc'd string */
32		ErrorContextCallback cb;
33		} tsearch_readline_state;
34
35	0	#define TOUCHAR(x) (((const unsigned char ) (x)))
36
37		/* The second argument of t_iseq() must be a plain ASCII character */
38	0	#define t_iseq(x,c) (TOUCHAR(x) == (unsigned char) (c))
39
40		/* Copy multibyte character of known byte length, return byte length. */
41		static inline int
42		ts_copychar_with_len(void dest, const void src, int length)
43	0	{
44	0	memcpy(dest, src, length);
45	0	return length;
46	0	} Unexecuted instantiation: dict_synonym.c:ts_copychar_with_len Unexecuted instantiation: dict_thesaurus.c:ts_copychar_with_len Unexecuted instantiation: regis.c:ts_copychar_with_len Unexecuted instantiation: spell.c:ts_copychar_with_len Unexecuted instantiation: ts_locale.c:ts_copychar_with_len Unexecuted instantiation: ts_utils.c:ts_copychar_with_len Unexecuted instantiation: tsquery.c:ts_copychar_with_len Unexecuted instantiation: tsvector.c:ts_copychar_with_len Unexecuted instantiation: tsvector_parser.c:ts_copychar_with_len
47
48		/* Copy multibyte character from null-terminated string, return byte length. */
49		static inline int
50		ts_copychar_cstr(void dest, const void src)
51	0	{
52	0	return ts_copychar_with_len(dest, src, pg_mblen_cstr((const char *) src));
53	0	} Unexecuted instantiation: dict_synonym.c:ts_copychar_cstr Unexecuted instantiation: dict_thesaurus.c:ts_copychar_cstr Unexecuted instantiation: regis.c:ts_copychar_cstr Unexecuted instantiation: spell.c:ts_copychar_cstr Unexecuted instantiation: ts_locale.c:ts_copychar_cstr Unexecuted instantiation: ts_utils.c:ts_copychar_cstr Unexecuted instantiation: tsquery.c:ts_copychar_cstr Unexecuted instantiation: tsvector.c:ts_copychar_cstr Unexecuted instantiation: tsvector_parser.c:ts_copychar_cstr
54
55		/* Historical macro for the above. */
56		#define COPYCHAR ts_copychar_cstr
57
58		#define GENERATE_T_ISCLASS_DECL(character_class) \
59		extern int t_is##character_class##_with_len(const char *ptr, int mblen); \
60		extern int t_is##character_class##_cstr(const char *ptr); \
61		extern int t_is##character_class##_unbounded(const char *ptr); \
62		\
63		/* deprecated */ \
64		extern int t_is##character_class(const char *ptr);
65
66		GENERATE_T_ISCLASS_DECL(alnum);
67		GENERATE_T_ISCLASS_DECL(alpha);
68
69		extern bool tsearch_readline_begin(tsearch_readline_state *stp,
70		const char *filename);
71		extern char tsearch_readline(tsearch_readline_state stp);
72		extern void tsearch_readline_end(tsearch_readline_state *stp);
73
74		#endif /* __TSLOCALE_H__ */

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Created: 2026-10-16 06:48