/* $PostgreSQL: pgsql/contrib/tsearch2/gendict/dict_tmpl.c.IN,v 1.6 2006/07/14 05:28:27 tgl Exp $ */ /* * example of dictionary * Teodor Sigaev */ #include "postgres.h" #include "dict.h" #include "common.h" #include "subinclude.h" #include "ts_locale.h" HASINIT typedef struct { HASINIT StopList stoplist; HASINIT } DictExample; HASINIT PG_FUNCTION_INFO_V1(dinit_CFG_MODNAME); HASINIT Datum dinit_CFG_MODNAME(PG_FUNCTION_ARGS); HASINIT Datum HASINIT dinit_CFG_MODNAME(PG_FUNCTION_ARGS) { HASINIT DictExample *d = (DictExample*)malloc( sizeof(DictExample) ); HASINIT HASINIT if ( !d ) HASINIT ereport(ERROR, HASINIT (errcode(ERRCODE_OUT_OF_MEMORY), HASINIT errmsg("out of memory"))); HASINIT memset(d,0,sizeof(DictExample)); HASINIT HASINIT d->stoplist.wordop=lowerstr; HASINIT HASINIT /* Your INIT code */ HASINIT HASINIT if ( !PG_ARGISNULL(0) && PG_GETARG_POINTER(0)!=NULL ) { HASINIT text *in = PG_GETARG_TEXT_P(0); HASINIT readstoplist(in, &(d->stoplist)); HASINIT sortstoplist(&(d->stoplist)); HASINIT PG_FREE_IF_COPY(in, 0); HASINIT } HASINIT HASINIT PG_RETURN_POINTER(d); HASINIT } PG_FUNCTION_INFO_V1(dlexize_CFG_MODNAME); Datum dlexize_CFG_MODNAME(PG_FUNCTION_ARGS); Datum dlexize_CFG_MODNAME(PG_FUNCTION_ARGS) { HASINIT DictExample *d = (DictExample*)PG_GETARG_POINTER(0); char *in = (char*)PG_GETARG_POINTER(1); char *txt = pnstrdup(in, PG_GETARG_INT32(2)); TSLexeme *res=palloc(sizeof(TSLexeme*)*2); /* Your LEXIZE dictionary code */ HASINIT if ( *txt=='\0' || searchstoplist(&(d->stoplist),txt) ) { HASINIT pfree(txt); HASINIT res[0].lexeme=NULL; HASINIT } else res[0].lexeme=txt; res[1].lexeme=NULL; PG_RETURN_POINTER(res); }