-/* $Id: rset.h,v 1.52 2005-05-24 11:35:41 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) 1995-2008 Index Data
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
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
+
*/
#ifndef RSET_H
YAZ_BEGIN_CDECL
-typedef struct rsfd *RSFD; /* Rset "file descriptor" */
-typedef struct rset *RSET; /* Result set */
+typedef struct rsfd *RSFD;
+typedef struct rset *RSET;
+
+struct ord_list {
+ int ord;
+ struct ord_list *next;
+};
+struct ord_list *ord_list_create(NMEM nmem);
+struct ord_list *ord_list_append(NMEM nmem, struct ord_list *list, int ord);
+struct ord_list *ord_list_dup(NMEM nmem, struct ord_list *list);
/**
* rset_term is all we need to know of a term to do ranking etc.
* As far as the rsets are concerned, it is just a dummy pointer to
* be passed around.
*/
-
struct rset_term {
- /** the term itself */
- char *name;
- char *flags;
- int type;
- /** the rset corresponding to this term */
- RSET rset;
- /** private stuff for the ranking algorithm */
- void *rankpriv;
+ char *name; /** the term itself in internal encoding (UTF-8/raw) */
+ char *flags; /** flags for rank method */
+ int type; /** Term_type from RPN Query. Actually this
+ is Z_Term_general, Z_Term_numeric,
+ Z_Term_characterString, ..
+ This info is used to return encoded term back for
+ search-result-1 .
+ */
+ int reg_type; /** register type */
+ RSET rset; /** the rset corresponding to this term */
+ void *rankpriv;/** private stuff for the ranking algorithm */
+ zint hits_limit;/** limit for hits if > 0 */
+ char *ref_id; /** reference for this term */
+ struct ord_list *ol;
};
typedef struct rset_term *TERMID;
TERMID rset_term_create (const char *name, int length, const char *flags,
- int type, NMEM nmem);
+ int type, NMEM nmem, struct ord_list *ol,
+ int reg_type, zint hits_limit, const char *ref_id);
/** rsfd is a "file descriptor" for reading from a rset */
struct rsfd { /* the stuff common to all rsfd's. */
/** rset_default_read implements a generic read */
int rset_default_read(RSFD rfd, void *buf, TERMID *term);
-/** rset_get_no_terms is a getterms function for those that don't have any */
-void rset_get_no_terms(RSET ct, TERMID *terms, int maxterms, int *curterm);
-
-/**
- * rset_get_one_term is a getterms function for those rsets that have
- * exactly one term, like all rsisamX types.
- */
void rset_get_one_term(RSET ct,TERMID *terms,int maxterms,int *curterm);
/**
int (*cmp)(const void *p1, const void *p2);
void (*key_logdump_txt) (int logmask, const void *p, const char *txt);
zint (*getseq)(const void *p);
+ zint (*get_segment)(const void *p);
int (*filter_func)(const void *p, void *data);
void *filter_data;
void (*inc)(struct rset_key_control *kc);
{
const struct rset_control *control;
struct rset_key_control *keycontrol;
- int refcount; /* reference count */
- void *priv; /* stuff private to the given type of rset */
- NMEM nmem; /* nibble memory for various allocs */
- char my_nmem; /* Should the nmem be destroyed with the rset? */
- /* 1 if created with it, 0 if passed from above */
- RSFD free_list; /* all rfd's allocated but not currently in use */
- RSFD use_list; /* all rfd's in use */
- int scope; /* On what level do we count hits and compare them? */
- TERMID term; /* the term thing for ranking etc */
+ int refcount; /* reference count */
+ void *priv; /* stuff private to the given type of rset */
+ NMEM nmem; /* nibble memory for various allocs */
+ RSFD free_list; /* all rfd's allocated but not currently in use */
+ RSFD use_list; /* all rfd's in use */
+ int scope; /* On what level do we count hits and compare them? */
+ TERMID term; /* the term thing for ranking etc */
int no_children;
RSET *children;
zint hits_limit;
/** rset_count counts or estimates the keys in it*/
zint rset_count(RSET rs);
-RSET rstemp_create(NMEM nmem, struct rset_key_control *kcontrol,
- int scope, const char *temp_path, TERMID term);
-
-RSET rsnull_create(NMEM nmem, struct rset_key_control *kcontrol, TERMID term);
-
-RSET rsbool_create_and(NMEM nmem, struct rset_key_control *kcontrol,
- int scope, RSET rset_l, RSET rset_r);
+RSET rset_create_temp(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope, const char *temp_path, TERMID term);
-RSET rsbool_create_or(NMEM nmem, struct rset_key_control *kcontrol,
- int scope, RSET rset_l, RSET rset_r);
+RSET rset_create_null(NMEM nmem, struct rset_key_control *kcontrol, TERMID term);
-RSET rsbool_create_not(NMEM nmem, struct rset_key_control *kcontrol,
- int scope, RSET rset_l, RSET rset_r);
+RSET rset_create_not(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope, RSET rset_l, RSET rset_r);
-RSET rsbetween_create(NMEM nmem, struct rset_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 rsmulti_or_create(NMEM nmem, struct rset_key_control *kcontrol,
- int scope, TERMID termid, int no_rsets, RSET* rsets);
+RSET rset_create_or(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope, TERMID termid, int no_rsets, RSET* rsets);
-RSET rsmulti_and_create(NMEM nmem, struct rset_key_control *kcontrol,
- int scope, int no_rsets, RSET* rsets);
+RSET rset_create_and(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope, int no_rsets, RSET* rsets);
-RSET rsprox_create(NMEM nmem, struct rset_key_control *kcontrol,
- int scope, int rset_no, RSET *rset,
- int ordered, int exclusion, int relation, int distance);
+RSET rset_create_prox(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope, int rset_no, RSET *rset,
+ int ordered, int exclusion, int relation, int distance);
RSET rsisamb_create(NMEM nmem, struct rset_key_control *kcontrol,
int scope, ISAMB is, ISAM_P pos, TERMID term);
void rset_visit(RSET rset, int level);
+void rset_set_hits_limit(RSET rs, zint l);
+
YAZ_END_CDECL
#endif
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+