X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Frset.h;h=5830b4ecc81fd631414d8eea37bbe3d57bd28a4a;hb=79176bd8a477e1c64ac3ec03b50405ed5ed85a3f;hp=fd89b6639df9ab8b20fc418c99fa47fa35718bd8;hpb=bfaff2a3d97a1980b3318fedf628222ebf1a7225;p=idzebra-moved-to-github.git diff --git a/include/rset.h b/include/rset.h index fd89b66..5830b4e 100644 --- a/include/rset.h +++ b/include/rset.h @@ -1,64 +1,26 @@ -/* - * Copyright (C) 1994-1998, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: rset.h,v $ - * Revision 1.14 1998-02-10 11:56:46 adam - * Implemented rset_dup. - * - * Revision 1.13 1997/12/18 10:54:24 adam - * New method result set method rs_hits that returns the number of - * hits in result-set (if known). The ranked result set returns real - * number of hits but only when not combined with other operands. - * - * Revision 1.12 1997/09/05 15:30:03 adam - * Changed prototype for chr_map_input - added const. - * Added support for C++, headers uses extern "C" for public definitions. - * - * Revision 1.11 1995/12/11 09:07:53 adam - * New rset member 'flag', that holds various flags about a result set - - * currently 'volatile' (set is register dependent) and 'ranked' (set is - * ranked). - * New set types sand/sor/snot. They handle and/or/not for ranked and - * semi-ranked result sets. - * - * Revision 1.10 1995/10/12 12:40:36 adam - * Private info (buf) moved from struct rset_control to struct rset. - * Member control in rset is statically set in rset_create. - * - * Revision 1.9 1995/10/10 14:00:01 adam - * Function rset_open changed its wflag parameter to general flags. - * - * Revision 1.8 1995/10/06 14:37:53 adam - * New result set method: r_score. - * Local no (sysno) and score is transferred to retrieveCtrl. - * - * Revision 1.7 1995/09/07 13:58:08 adam - * New parameter: result-set file descriptor (RSFD) to support multiple - * positions within the same result-set. - * Boolean operators: and, or, not implemented. - * - * Revision 1.6 1995/09/06 16:10:58 adam - * More work on boolean sets. - * - * Revision 1.5 1995/09/04 15:20:13 adam - * More work on temp sets. is_open member removed. - * - * Revision 1.4 1995/09/04 09:09:52 adam - * String arg in dict lookup is const. - * Minor changes. - * - * Revision 1.3 1994/11/22 13:15:27 quinn - * Simple - * - * Revision 1.2 1994/11/04 13:21:21 quinn - * Working. - * - * Revision 1.1 1994/11/03 14:13:22 quinn - * Result set manipulation - * - */ +/* $Id: rset.h,v 1.19 2002-08-02 19:26:55 adam Exp $ + Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002 + Index Data Aps + +This file is part of the Zebra server. + +Zebra is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +Zebra is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with Zebra; see the file LICENSE.zebra. If not, write to the +Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. +*/ + + #ifndef RSET_H #define RSET_H @@ -71,38 +33,49 @@ extern "C" { typedef void *RSFD; typedef struct rset *RSET; +typedef struct rset_term *RSET_TERM; -typedef struct rset_control +struct rset_control { char *desc; /* text description of set type (for debugging) */ - void *(*f_create)(const struct rset_control *sel, void *parms, - int *flags); + void *(*f_create)(RSET ct, const struct rset_control *sel, void *parms); RSFD (*f_open)(RSET ct, int wflag); void (*f_close)(RSFD rfd); void (*f_delete)(RSET ct); void (*f_rewind)(RSFD rfd); int (*f_count)(RSET ct); - int (*f_hits)(RSET ct, void *oi); - int (*f_read)(RSFD rfd, void *buf); + int (*f_read)(RSFD rfd, void *buf, int *term_index); int (*f_write)(RSFD rfd, const void *buf); - int (*f_score)(RSFD rfd, int *score); -} rset_control; +}; + +struct rset_term { + char *name; + int nn; + char *flags; + int count; + int type; +}; typedef struct rset { - const rset_control *control; + const struct rset_control *control; int flags; int count; void *buf; + RSET_TERM *rset_terms; + int no_rset_terms; } rset; +RSET_TERM rset_term_create (const char *name, int length, const char *flags, + int type); +void rset_term_destroy (RSET_TERM t); +RSET_TERM rset_term_dup (RSET_TERM t); + #define RSETF_READ 0 #define RSETF_WRITE 1 -#define RSETF_SORT_SYSNO 0 -#define RSETF_SORT_RANK 2 - -RSET rset_create(const rset_control *sel, void *parms); /* parameters? */ +RSET rset_create(const struct rset_control *sel, void *parms); +/* parameters? */ /* int rset_open(RSET rs, int wflag); */ #define rset_open(rs, wflag) (*(rs)->control->f_open)((rs), (wflag)) @@ -120,27 +93,18 @@ RSET rset_dup (RSET rs); /* int rset_count(RSET rs); */ #define rset_count(rs) (*(rs)->control->f_count)(rs) -/* int rset_hits (RSET) */ -#define rset_hits(rs) (*(rs)->control->f_hits)((rs), 0) - /* int rset_read(RSET rs, void *buf); */ -#define rset_read(rs, fd, buf) (*(rs)->control->f_read)((fd), (buf)) +#define rset_read(rs, fd, buf, indx) (*(rs)->control->f_read)((fd), (buf), indx) /* int rset_write(RSET rs, const void *buf); */ #define rset_write(rs, fd, buf) (*(rs)->control->f_write)((fd), (buf)) -/* int rset_score(RSET rs, int *buf); */ -#define rset_score(rs, fd, score) (*(rs)->control->f_score)((fd), (score)) - - /* int rset_type (RSET) */ #define rset_type(rs) ((rs)->control->desc) #define RSET_FLAG_VOLATILE 1 -#define RSET_FLAG_RANKED 2 #define rset_is_volatile(rs) ((rs)->flags & RSET_FLAG_VOLATILE) -#define rset_is_ranked(rs) ((rs)->flags & RSET_FLAG_RANKED) #ifdef __cplusplus }