X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=include%2Frset.h;h=5830b4ecc81fd631414d8eea37bbe3d57bd28a4a;hb=33ca955198b19dbf989edfeda20922628d183943;hp=789ae9dfc2310f2167637a2a49cdaa93688f360b;hpb=a57bdec6c84c3dcd2b657f2e2fd14b67be1b5881;p=idzebra-moved-to-github.git diff --git a/include/rset.h b/include/rset.h index 789ae9d..5830b4e 100644 --- a/include/rset.h +++ b/include/rset.h @@ -1,41 +1,113 @@ -/* - * Copyright (C) 1994, Index Data I/S - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: rset.h,v $ - * 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 -typedef struct rset_control +#include + +#ifdef __cplusplus +extern "C" { +#endif +typedef void *RSFD; + +typedef struct rset *RSET; +typedef struct rset_term *RSET_TERM; + +struct rset_control { - char *buf; /* state data stored by subsystem */ - int (*f_open)(rset_control *ct, int wflag); - void (*f_close)(rset_control *ct *data); - void (*f_delete)(rset_control *ct); - void (*f_rewind)(rset_control *ct); - int (*f_count)(rset_control *ct); - int (*f_read)(...); - int (*f_write)(...); -} rset_control; + char *desc; /* text description of set type (for debugging) */ + 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_read)(RSFD rfd, void *buf, int *term_index); + int (*f_write)(RSFD rfd, const void *buf); +}; + +struct rset_term { + char *name; + int nn; + char *flags; + int count; + int type; +}; typedef struct rset { - rset_control *control; -} rset *RSET; + 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 + +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)) + +/* void rset_close(RSET rs); */ +#define rset_close(rs, rfd) (*(rs)->control->f_close)(rfd) -RSET rset_create(); /* parameters? */ -int rset_open(RSET rs, int wflag); -void rset_close(RSET rs); void rset_delete(RSET rs); -void rset_rewind(RSET rs); -int rset_count(RSET rs); /* more parameters? */ -int rset_read(RSET rs, void *buf); /* change parameters */ -int rset_write(RSET rs, void *buf); /* change parameters */ + +RSET rset_dup (RSET rs); + +/* void rset_rewind(RSET rs); */ +#define rset_rewind(rs, rfd) (*(rs)->control->f_rewind)((rfd)) + +/* int rset_count(RSET rs); */ +#define rset_count(rs) (*(rs)->control->f_count)(rs) + +/* int rset_read(RSET rs, void *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_type (RSET) */ +#define rset_type(rs) ((rs)->control->desc) + +#define RSET_FLAG_VOLATILE 1 + +#define rset_is_volatile(rs) ((rs)->flags & RSET_FLAG_VOLATILE) + +#ifdef __cplusplus +} +#endif #endif