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/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_snowball.c.IN,v 1.5 2006/07/14 05:28:27 tgl Exp $ */
/*
* example of Snowball dictionary
* http://snowball.tartarus.org/
* Teodor Sigaev <teodor@sigaev.ru>
*/
#include "postgres.h"
#include "dict.h"
#include "common.h"
#include "snowball/header.h"
#include "subinclude.h"
#include "ts_locale.h"
typedef struct {
struct SN_env *z;
StopList stoplist;
int (*stem)(struct SN_env * z);
} DictSnowball;
PG_FUNCTION_INFO_V1(dinit_CFG_MODNAME);
Datum dinit_CFG_MODNAME(PG_FUNCTION_ARGS);
Datum
dinit_CFG_MODNAME(PG_FUNCTION_ARGS) {
DictSnowball *d = (DictSnowball*)malloc( sizeof(DictSnowball) );
if ( !d )
ereport(ERROR,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("out of memory")));
memset(d,0,sizeof(DictSnowball));
d->stoplist.wordop=lowerstr;
if ( !PG_ARGISNULL(0) && PG_GETARG_POINTER(0)!=NULL ) {
text *in = PG_GETARG_TEXT_P(0);
readstoplist(in, &(d->stoplist));
sortstoplist(&(d->stoplist));
PG_FREE_IF_COPY(in, 0);
}
d->z = CFG_PREFIX_create_env();
if (!d->z) {
freestoplist(&(d->stoplist));
ereport(ERROR,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("out of memory")));
}
d->stem=CFG_PREFIX_stem;
PG_RETURN_POINTER(d);
}
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