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