-/* $Id: rsbetween.c,v 1.31 2004-11-05 18:08:06 heikki Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
- Index Data Aps
+/* $Id: rsbetween.c,v 1.45 2006-08-14 10:40:21 adam Exp $
+ Copyright (C) 1995-2006
+ Index Data ApS
This file is part of the Zebra server.
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.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
* example "Shakespeare" in between "<author>" and </author>. The thing is
* complicated by the inclusion of attributes (from their own rset). If attrs
* specified, they must match the "left" rset (start tag). "Hamlet" between
- * "<title lang=eng>" and "</title>". (This assumes that the attributes are
+ * "<title lang = eng>" and "</title>". (This assumes that the attributes are
* indexed to the same seqno as the tags).
*
*/
#include <string.h>
#include <assert.h>
-#include <zebrautl.h>
+#include <idzebra/util.h>
#include <rset.h>
-static RSFD r_open (RSET ct, int flag);
-static void r_close (RSFD rfd);
-static void r_delete (RSET ct);
+static RSFD r_open(RSET ct, int flag);
+static void r_close(RSFD rfd);
+static void r_delete(RSET ct);
static int r_forward(RSFD rfd, void *buf,
TERMID *term, const void *untilbuf);
static int r_read(RSFD rfd, void *buf, TERMID *term );
r_write,
};
-
-const struct rset_control *rset_kind_between = &control;
-
#define STARTTAG 0
#define HIT 1
#define STOPTAG 2
#define ATTRTAG 3
struct rset_between_info {
- RSET andset; /* the multi-and of the above */
TERMID startterm; /* pseudo terms for detecting which one we read from */
TERMID stopterm;
TERMID attrterm;
zint hits;
};
-static int log_level=0;
-static int log_level_initialized=0;
+static int log_level = 0;
+static int log_level_initialized = 0;
/* make sure that the rset has a term attached. If not, create one */
/* we need these terms for the tags, to distinguish what we read */
-static void checkterm( RSET rs, char *tag, NMEM nmem)
+static void checkterm(RSET rs, char *tag, NMEM nmem)
{
if (!rs->term)
{
- rs->term=
- rset_term_create(tag,strlen(tag),"",0,nmem);
- rs->term->rset=rs;
+ rs->term = rset_term_create(tag, -1, "", 0, nmem, 0, 0, 0, 0);
+ rs->term->rset = rs;
}
}
-RSET rsbetween_create( NMEM nmem, const struct key_control *kcontrol,
- int scope,
- RSET rset_l, RSET rset_m, RSET rset_r, RSET rset_attr)
+RSET rset_create_between(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope,
+ RSET rset_l, RSET rset_m, RSET rset_r, RSET rset_attr)
{
- RSET rnew=rset_create_base(&control, nmem, kcontrol, scope,0);
+ RSET rnew = rset_create_base(&control, nmem, kcontrol, scope, 0, 0, 0);
struct rset_between_info *info=
(struct rset_between_info *) nmem_malloc(rnew->nmem,sizeof(*info));
RSET rsetarray[4];
- int n=4;
+ int n = 4;
if (!log_level_initialized)
{
- log_level=yaz_log_module_level("rsbetween");
- log_level_initialized=1;
+ log_level = yaz_log_module_level("rsbetween");
+ log_level_initialized = 1;
}
rsetarray[STARTTAG] = rset_l;
rsetarray[HIT] = rset_m;
rsetarray[ATTRTAG] = rset_attr;
/* make sure we have decent terms for all rsets. Create dummies if needed*/
- checkterm( rsetarray[STARTTAG], "(start)",nmem);
- checkterm( rsetarray[STOPTAG], "(start)",nmem);
- info->startterm=rsetarray[STARTTAG]->term;
- info->stopterm=rsetarray[STOPTAG]->term;
+ checkterm(rsetarray[STARTTAG], "(start)", nmem);
+ checkterm(rsetarray[STOPTAG], "(start)", nmem);
+ info->startterm = rsetarray[STARTTAG]->term;
+ info->stopterm = rsetarray[STOPTAG]->term;
if (rset_attr)
{
- checkterm( rsetarray[ATTRTAG], "(start)",nmem);
- info->attrterm=rsetarray[ATTRTAG]->term;
- n=4;
+ checkterm(rsetarray[ATTRTAG], "(start)", nmem);
+ info->attrterm = rsetarray[ATTRTAG]->term;
+ n = 4;
}
else
{
- info->attrterm=NULL;
- n=3;
+ info->attrterm = NULL;
+ n = 3;
}
- info->andset=rsmultiand_create( nmem, kcontrol, scope, n, rsetarray);
- rnew->priv=info;
- logf(log_level,"create rset at %p",rnew);
+ rnew->no_children = 1;
+ rnew->children = nmem_malloc(rnew->nmem, sizeof(RSET *));
+ rnew->children[0] = rset_create_and(nmem, kcontrol,
+ scope, n, rsetarray);
+ rnew->priv = info;
+ yaz_log(log_level, "create rset at %p", rnew);
return rnew;
}
-
-static void r_delete (RSET ct)
+static void r_delete(RSET ct)
{
- struct rset_between_info *info = (struct rset_between_info *) ct->priv;
- logf(log_level,"delete rset at %p",ct);
- rset_delete(info->andset);
}
-static RSFD r_open (RSET ct, int flag)
+static RSFD r_open(RSET ct, int flag)
{
- struct rset_between_info *info = (struct rset_between_info *) ct->priv;
RSFD rfd;
struct rset_between_rfd *p;
if (flag & RSETF_WRITE)
{
- logf (LOG_FATAL, "between set type is read-only");
+ yaz_log(YLOG_FATAL, "between set type is read-only");
return NULL;
}
- rfd=rfd_create_base(ct);
+ rfd = rfd_create_base(ct);
if (rfd->priv)
p=(struct rset_between_rfd *)rfd->priv;
else {
p = (struct rset_between_rfd *) nmem_malloc(ct->nmem, (sizeof(*p)));
- rfd->priv=p;
- p->recbuf = nmem_malloc(ct->nmem, (ct->keycontrol->key_size));
- p->startbuf = nmem_malloc(ct->nmem, (ct->keycontrol->key_size));
- p->attrbuf = nmem_malloc(ct->nmem, (ct->keycontrol->key_size));
+ rfd->priv = p;
+ p->recbuf = nmem_malloc(ct->nmem, ct->keycontrol->key_size);
+ p->startbuf = nmem_malloc(ct->nmem, ct->keycontrol->key_size);
+ p->attrbuf = nmem_malloc(ct->nmem, ct->keycontrol->key_size);
}
- p->andrfd = rset_open (info->andset, RSETF_READ);
- p->hits=-1;
- p->depth=0;
- p->attrdepth=0;
- p->attrbufok=0;
- p->startbufok=0;
- logf(log_level,"open rset=%p rfd=%p", ct, rfd);
+ p->andrfd = rset_open(ct->children[0], RSETF_READ);
+ p->hits = -1;
+ p->depth = 0;
+ p->attrdepth = 0;
+ p->attrbufok = 0;
+ p->startbufok = 0;
+ yaz_log(log_level, "open rset=%p rfd=%p", ct, rfd);
return rfd;
}
-static void r_close (RSFD rfd)
+static void r_close(RSFD rfd)
{
struct rset_between_rfd *p=(struct rset_between_rfd *)rfd->priv;
- logf(log_level,"close rfd=%p", rfd);
- rset_close (p->andrfd);
- rfd_delete_base(rfd);
+ yaz_log(log_level,"close rfd=%p", rfd);
+ rset_close(p->andrfd);
}
-
-
static int r_forward(RSFD rfd, void *buf,
TERMID *term, const void *untilbuf)
{
struct rset_between_rfd *p=(struct rset_between_rfd *)rfd->priv;
int rc;
- logf(log_level, "forwarding ");
- rc=rset_forward(p->andrfd,buf,term,untilbuf);
+ yaz_log(log_level, "forwarding ");
+ rc = rset_forward(p->andrfd,buf,term,untilbuf);
return rc;
}
-
-
static void checkattr(RSFD rfd)
{
- struct rset_between_info *info =(struct rset_between_info *)rfd->rset->priv;
- struct rset_between_rfd *p=(struct rset_between_rfd *)rfd->priv;
- const struct key_control *kctrl=rfd->rset->keycontrol;
+ struct rset_between_info *info =(struct rset_between_info *)
+ rfd->rset->priv;
+ struct rset_between_rfd *p = (struct rset_between_rfd *)rfd->priv;
+ const struct rset_key_control *kctrl = rfd->rset->keycontrol;
int cmp;
if (p->attrdepth)
return; /* already found one */
cmp=(kctrl->cmp)(p->startbuf,p->attrbuf);
if (0==cmp) /* and the keys match */
{
- p->attrdepth=p->depth;
- logf(log_level, "found attribute match at depth %d",p->attrdepth);
+ p->attrdepth = p->depth;
+ yaz_log(log_level, "found attribute match at depth %d",p->attrdepth);
}
}
}
-
-static int r_read (RSFD rfd, void *buf, TERMID *term)
+static int r_read(RSFD rfd, void *buf, TERMID *term)
{
- struct rset_between_info *info =(struct rset_between_info *)rfd->rset->priv;
- struct rset_between_rfd *p=(struct rset_between_rfd *)rfd->priv;
- const struct key_control *kctrl=rfd->rset->keycontrol;
+ struct rset_between_info *info =
+ (struct rset_between_info *)rfd->rset->priv;
+ struct rset_between_rfd *p = (struct rset_between_rfd *)rfd->priv;
+ const struct rset_key_control *kctrl = rfd->rset->keycontrol;
int cmp;
- logf(log_level,"== read: term=%p",term);
- TERMID dummyterm=0;
+ TERMID dummyterm = 0;
+ yaz_log(log_level, "== read: term=%p",term);
if (!term)
- term=&dummyterm;
- while ( rset_read(p->andrfd,buf,term) )
+ term = &dummyterm;
+ while (rset_read(p->andrfd, buf, term))
{
- logf(log_level,"read loop term=%p d=%d ad=%d",
- *term,p->depth, p->attrdepth);
+ yaz_log(log_level,"read loop term=%p d=%d ad=%d",
+ *term, p->depth, p->attrdepth);
if (p->hits<0)
{/* first time? */
- memcpy(p->recbuf,buf,kctrl->key_size);
- p->hits=0;
- cmp=rfd->rset->scope; /* force newrecord */
+ memcpy(p->recbuf, buf, kctrl->key_size);
+ p->hits = 0;
+ cmp = rfd->rset->scope; /* force newrecord */
}
else {
- cmp=(kctrl->cmp)(buf,p->recbuf);
- logf(log_level, "cmp=%d",cmp);
+ cmp = (kctrl->cmp)(buf, p->recbuf);
+ yaz_log(log_level, "cmp=%d", cmp);
}
if (cmp>=rfd->rset->scope)
{
- logf(log_level,"new record");
- p->depth=0;
- p->attrdepth=0;
- memcpy(p->recbuf,buf,kctrl->key_size);
+ yaz_log(log_level, "new record");
+ p->depth = 0;
+ p->attrdepth = 0;
+ memcpy(p->recbuf, buf, kctrl->key_size);
}
if (*term)
- logf(log_level," term: '%s'", (*term)->name);
+ yaz_log(log_level, " term: '%s'", (*term)->name);
if (*term==info->startterm)
{
p->depth++;
- logf(log_level,"read start tag. d=%d",p->depth);
- memcpy(p->startbuf,buf,kctrl->key_size);
- p->startbufok=1;
+ yaz_log(log_level, "read start tag. d=%d", p->depth);
+ memcpy(p->startbuf, buf, kctrl->key_size);
+ p->startbufok = 1;
checkattr(rfd); /* in case we already saw the attr here */
}
else if (*term==info->stopterm)
{
if (p->depth == p->attrdepth)
- p->attrdepth=0; /* ending the tag with attr match */
+ p->attrdepth = 0; /* ending the tag with attr match */
p->depth--;
- logf(log_level,"read end tag. d=%d ad=%d",p->depth, p->attrdepth);
+ yaz_log(log_level,"read end tag. d=%d ad=%d", p->depth,
+ p->attrdepth);
}
else if (*term==info->attrterm)
{
- logf(log_level,"read attr");
- memcpy(p->attrbuf,buf,kctrl->key_size);
- p->attrbufok=1;
+ yaz_log(log_level,"read attr");
+ memcpy(p->attrbuf, buf, kctrl->key_size);
+ p->attrbufok = 1;
checkattr(rfd); /* in case the start tag came first */
}
else
if (p->depth && p->attrdepth)
{
p->hits++;
- logf(log_level,"got a hit h="ZINT_FORMAT" d=%d ad=%d",
- p->hits,p->depth,p->attrdepth);
+ yaz_log(log_level,"got a hit h="ZINT_FORMAT" d=%d ad=%d",
+ p->hits, p->depth, p->attrdepth);
return 1; /* we have everything in place already! */
} else
- logf(log_level, "Ignoring hit. h="ZINT_FORMAT" d=%d ad=%d",
- p->hits,p->depth,p->attrdepth);
+ yaz_log(log_level, "Ignoring hit. h="ZINT_FORMAT" d=%d ad=%d",
+ p->hits, p->depth, p->attrdepth);
}
} /* while read */
} /* r_read */
-static int r_write (RSFD rfd, const void *buf)
+static int r_write(RSFD rfd, const void *buf)
{
- logf (LOG_FATAL, "between set type is read-only");
+ yaz_log(YLOG_FATAL, "between set type is read-only");
return -1;
}
-static void r_pos (RSFD rfd, double *current, double *total)
+static void r_pos(RSFD rfd, double *current, double *total)
{
struct rset_between_rfd *p=(struct rset_between_rfd *)rfd->priv;
- rset_pos(p->andrfd,current, total);
- logf(log_level,"pos: %0.1f/%0.1f ", *current, *total);
+ rset_pos(p->andrfd, current, total);
+ yaz_log(log_level, "pos: %0.1f/%0.1f ", *current, *total);
}
static void r_get_terms(RSET ct, TERMID *terms, int maxterms, int *curterm)
{
- struct rset_between_info *info = (struct rset_between_info *) ct->priv;
- rset_getterms(info->andset, terms, maxterms, curterm);
+ rset_getterms(ct->children[0], terms, maxterms, curterm);
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / idzebra-moved-to-github.git / blobdiff