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Allow do not lexize words in substitution.
Docs will be submitted some later, now it's at http://www.sai.msu.su/~megera/oddmuse/index.cgi/Thesaurus_dictionary
This commit is contained in:
Teodor Sigaev
parent
63e464a5e6
commit
92bcb5abe0
@ -1,4 +1,4 @@
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/* $PostgreSQL: pgsql/contrib/tsearch2/dict_thesaurus.c,v 1.4 2006/06/02 18:03:06 teodor Exp $ */
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/* $PostgreSQL: pgsql/contrib/tsearch2/dict_thesaurus.c,v 1.5 2006/06/06 16:25:55 teodor Exp $ */
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/*
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* thesaurus
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@ -13,6 +13,11 @@
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#include "common.h"
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#include "ts_locale.h"
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/*
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* Temporay we use TSLexeme.flags for inner use...
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*/
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#define DT_USEASIS 0x1000
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typedef struct LexemeInfo {
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uint16 idsubst; /* entry's number in DictThesaurus->subst */
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uint16 posinsubst; /* pos info in entry */
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@ -94,7 +99,7 @@ newLexeme( DictThesaurus *d, char *b, char *e, uint16 idsubst, uint16 posinsubst
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}
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static void
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addWrd( DictThesaurus *d, char *b, char *e, uint16 idsubst, uint16 nwrd, uint16 posinsubst ) {
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addWrd( DictThesaurus *d, char *b, char *e, uint16 idsubst, uint16 nwrd, uint16 posinsubst, bool useasis ) {
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static int nres=0;
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static int ntres = 0;
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TheSubstitute *ptr;
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@ -138,7 +143,10 @@ addWrd( DictThesaurus *d, char *b, char *e, uint16 idsubst, uint16 nwrd, uint16
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ptr->res[ nres ].lexeme[e-b] = '\0';
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ptr->res[ nres ].nvariant = nwrd;
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ptr->res[ nres ].flags = TSL_ADDPOS;
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if ( useasis )
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ptr->res[ nres ].flags = DT_USEASIS;
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else
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ptr->res[ nres ].flags = 0;
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ptr->res[ ++nres ].lexeme = NULL;
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}
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@ -154,6 +162,7 @@ thesaurusRead( char *filename, DictThesaurus *d ) {
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char str[BUFSIZ];
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int lineno=0;
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uint16 idsubst = 0;
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bool useasis=false;
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fh = fopen(to_absfilename(filename), "r");
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if (!fh)
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@ -196,13 +205,24 @@ thesaurusRead( char *filename, DictThesaurus *d ) {
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state = TR_WAITLEX;
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}
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} else if ( state == TR_WAITSUBS ) {
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if ( !t_isspace(ptr) ) {
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if ( t_iseq(ptr, '*') ) {
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useasis = true;
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state = TR_INSUBS;
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beginwrd = ptr + pg_mblen(ptr);
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} else if ( t_iseq(ptr, '\\') ) {
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useasis = false;
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state = TR_INSUBS;
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beginwrd = ptr + pg_mblen(ptr);
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} else if ( !t_isspace(ptr) ) {
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useasis = false;
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beginwrd = ptr;
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state = TR_INSUBS;
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}
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} else if ( state == TR_INSUBS ) {
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if ( t_isspace(ptr) ) {
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addWrd( d, beginwrd, ptr, idsubst, nwrd++, posinsubst );
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if ( ptr == beginwrd )
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elog(ERROR, "Thesaurus: Unexpected end of line or lexeme at %d line", lineno);
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addWrd( d, beginwrd, ptr, idsubst, nwrd++, posinsubst, useasis );
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state = TR_WAITSUBS;
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}
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} else
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@ -211,8 +231,11 @@ thesaurusRead( char *filename, DictThesaurus *d ) {
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ptr += pg_mblen(ptr);
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}
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if ( state == TR_INSUBS )
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addWrd( d, beginwrd, ptr, idsubst, nwrd++, posinsubst );
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if ( state == TR_INSUBS ) {
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if ( ptr == beginwrd )
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elog(ERROR, "Thesaurus: Unexpected end of line or lexeme at %d line", lineno);
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addWrd( d, beginwrd, ptr, idsubst, nwrd++, posinsubst, useasis );
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}
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idsubst++;
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@ -319,7 +342,9 @@ compileTheLexeme(DictThesaurus *d) {
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elog(ERROR,"Out of memory");
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for(i=0;i<d->nwrds;i++) {
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TSLexeme *ptr = (TSLexeme*) DatumGetPointer(
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TSLexeme *ptr;
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ptr = (TSLexeme*) DatumGetPointer(
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FunctionCall4(
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&(d->subdict.lexize_info),
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PointerGetDatum(d->subdict.dictionary),
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@ -331,9 +356,11 @@ compileTheLexeme(DictThesaurus *d) {
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if ( !(ptr && ptr->lexeme) ) {
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if ( !ptr )
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elog(ERROR,"Thesaurus: word '%s' isn't recognized by subdictionary", d->wrds[i].lexeme);
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elog(ERROR,"Thesaurus: word-sample '%s' isn't recognized by subdictionary (rule %d)",
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d->wrds[i].lexeme, d->wrds[i].entries->idsubst+1 );
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else
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elog(NOTICE,"Thesaurus: word '%s' is recognized as stop-word, assign any stop-word", d->wrds[i].lexeme);
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elog(NOTICE,"Thesaurus: word-sample '%s' is recognized as stop-word, assign any stop-word (rule %d)",
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d->wrds[i].lexeme, d->wrds[i].entries->idsubst+1);
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newwrds = addCompiledLexeme( newwrds, &nnw, &tnm, NULL, d->wrds[i].entries, 0);
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} else {
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@ -413,17 +440,25 @@ compileTheSubstitute(DictThesaurus *d) {
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inptr = rem;
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while( inptr && inptr->lexeme ) {
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TSLexeme *reml, *lexized = (TSLexeme*) DatumGetPointer(
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FunctionCall4(
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&(d->subdict.lexize_info),
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PointerGetDatum(d->subdict.dictionary),
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PointerGetDatum(inptr->lexeme),
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Int32GetDatum(strlen(inptr->lexeme)),
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PointerGetDatum(NULL)
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)
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);
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TSLexeme *lexized, tmplex[2];
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if ( inptr->flags & DT_USEASIS ) { /* do not lexize */
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tmplex[0] = *inptr;
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tmplex[0].flags = 0;
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tmplex[1].lexeme = NULL;
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lexized = tmplex;
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} else {
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lexized = (TSLexeme*) DatumGetPointer(
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FunctionCall4(
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&(d->subdict.lexize_info),
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PointerGetDatum(d->subdict.dictionary),
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PointerGetDatum(inptr->lexeme),
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Int32GetDatum(strlen(inptr->lexeme)),
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PointerGetDatum(NULL)
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)
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);
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}
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reml = lexized;
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if ( lexized && lexized->lexeme ) {
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int toset = (lexized->lexeme && outptr != d->subst[i].res ) ? (outptr - d->subst[i].res) : -1;
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@ -447,8 +482,10 @@ compileTheSubstitute(DictThesaurus *d) {
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if ( toset > 0)
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d->subst[i].res[toset].flags |= TSL_ADDPOS;
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} else if ( lexized ) {
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elog(NOTICE,"Thesaurus: word '%s' in substition is a stop-word, ignored (rule %d)", inptr->lexeme, i+1);
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} else {
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elog(NOTICE,"Thesaurus: word '%s' isn't recognized by subdictionary or it's a stop-word, ignored", inptr->lexeme);
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elog(ERROR,"Thesaurus: word '%s' in substition isn't recognized (rule %d)", inptr->lexeme, i+1);
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}
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if ( inptr->lexeme )
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@ -457,7 +494,7 @@ compileTheSubstitute(DictThesaurus *d) {
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}
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if ( outptr == d->subst[i].res )
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elog(ERROR,"Thesaurus: all words in subsitution aren't recognized by subdictionary");
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elog(ERROR,"Thesaurus: all words in subsitution are stop word (rule %d)", i+1);
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d->subst[i].reslen = outptr - d->subst[i].res;
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@ -717,7 +754,7 @@ thesaurus_lexize(PG_FUNCTION_ARGS)
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infos = (LexemeInfo**)palloc(sizeof(LexemeInfo*)*nlex);
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for(i=0;i<nlex;i++)
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if ( (infos[i] = findTheLexeme(d, basevar[i].lexeme)) == NULL )
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if ( (infos[i] = findTheLexeme(d, basevar[i].lexeme)) == NULL )
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break;
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if ( i<nlex ) {
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@ -1,14 +1,16 @@
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#
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# Theasurus config file. Character ':' splits
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# string to part:
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# to be substituted string
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# substituting string
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# string to part, example:
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# sample-words : substitute-words
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#
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# Any substitute-word can be marked by preceding '*' character,
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# which means do not lexize this word
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# Docs: http://www.sai.msu.su/~megera/oddmuse/index.cgi/Thesaurus_dictionary
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#one two three : 123
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#one two : 12
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#one : 1
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#two : 2
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#one two three : *123
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#one two : *12
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#one : *1
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#two : *2
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#foo bar : blah blah
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#f bar : fbar
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