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Improve support of multibyte encoding:

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- tsvector_(in|out)
- tsquery_(in|out)
- to_tsvector
- to_tsquery, plainto_tsquery
- 'simple' dictionary
This commit is contained in:
Teodor Sigaev
2005-12-12 11:10:12 +00:00
parent ec0baf949e
commit cb4ea994c6
19 changed files with 263 additions and 146 deletions
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48
contrib/tsearch2/ts_locale.h
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@@ -2,6 +2,8 @@
#define __TSLOCALE_H__
#include "postgres.h"
#include "utils/pg_locale.h"
#include "mb/pg_wchar.h"
#include <ctype.h>
#include <limits.h>
@@ -19,18 +21,58 @@
#if defined(HAVE_WCSTOMBS) && defined(HAVE_TOWLOWER)
#define TS_USE_WIDE
#endif
#ifdef TS_USE_WIDE
#endif /* TS_USE_WIDE */
#define TOUCHAR(x) (*((unsigned char*)(x)))
#ifdef TS_USE_WIDE
#ifdef WIN32
size_t wchar2char(char *to, const wchar_t *from, size_t len);
size_t char2wchar(wchar_t *to, const char *from, size_t len);
#else /* WIN32 */
#else /* WIN32 */
/* correct mbstowcs */
#define char2wchar mbstowcs
#define wchar2char wcstombs
#endif /* WIN32 */
#endif /* defined(HAVE_WCSTOMBS) &&
* defined(HAVE_TOWLOWER) */
#define t_isdigit(x) ( pg_mblen(x)==1 && isdigit( TOUCHAR(x) ) )
#define t_isspace(x) ( pg_mblen(x)==1 && isspace( TOUCHAR(x) ) )
int _t_isalpha( char *ptr );
#define t_isalpha(x) ( (pg_mblen(x)==1) ? isalpha( TOUCHAR(x) ) : _t_isalpha(x) )
int _t_isprint( char *ptr );
#define t_isprint(x) ( (pg_mblen(x)==1) ? isprint( TOUCHAR(x) ) : _t_isprint(x) )
/*
* t_iseq() should be called only for ASCII symbols
*/
#define t_iseq(x,c) ( (pg_mblen(x)==1) ? ( TOUCHAR(x) == ((unsigned char)(c)) ) : false )
#define COPYCHAR(d,s) do { \
int lll = pg_mblen( s ); \
\
while( lll-- ) \
TOUCHAR(d+lll) = TOUCHAR(s+lll); \
} while(0)
#else /* not def TS_USE_WIDE */
#define t_isdigit(x) isdigit( TOUCHAR(x) )
#define t_isspace(x) isspace( TOUCHAR(x) )
#define t_isalpha(x) isalpha( TOUCHAR(x) )
#define t_isprint(x) isprint( TOUCHAR(x) )
#define t_iseq(x,c) ( TOUCHAR(x) == ((unsigned char)(c)) )
#define COPYCHAR(d,s) TOUCHAR(d) = TOUCHAR(s)
#endif
char* lowerstr(char *str);
#endif /* __TSLOCALE_H__ */