postgresql/contrib/tsearch2/dict.h
2005-10-15 02:49:52 +00:00

61 lines
1.1 KiB
C

#ifndef __DICT_H__
#define __DICT_H__
#include "postgres.h"
#include "fmgr.h"
typedef struct
{
int len;
char **stop;
char *(*wordop) (char *);
} StopList;
void sortstoplist(StopList * s);
void freestoplist(StopList * s);
void readstoplist(text *in, StopList * s);
bool searchstoplist(StopList * s, char *key);
char *lowerstr(char *str);
typedef struct
{
Oid dict_id;
FmgrInfo lexize_info;
void *dictionary;
} DictInfo;
void init_dict(Oid id, DictInfo * dict);
DictInfo *finddict(Oid id);
Oid name2id_dict(text *name);
void reset_dict(void);
/* simple parser of cfg string */
typedef struct
{
char *key;
char *value;
} Map;
void parse_cfgdict(text *in, Map ** m);
/* return struct for any lexize function */
typedef struct
{
/*
* number of variant of split word , for example Word 'fotballklubber'
* (norwegian) has two varian to split: ( fotball, klubb ) and ( fot,
* ball, klubb ). So, dictionary should return: nvariant lexeme 1
* fotball 1 klubb 2 fot 2 ball 2 klubb
*
*/
uint16 nvariant;
/* currently unused */
uint16 flags;
/* C-string */
char *lexeme;
} TSLexeme;
#endif