-/* $Id: rpnscan.c,v 1.5 2007-01-15 15:10:17 adam Exp $
+/* $Id: rpnscan.c,v 1.17 2007-10-31 16:56:14 adam Exp $
Copyright (C) 1995-2007
Index Data ApS
#include <attrfind.h>
#include <charmap.h>
#include <rset.h>
+#include <yaz/oid_db.h>
#define RPN_MAX_ORDS 32
/* convert APT SCAN term to internal cmap */
static ZEBRA_RES trans_scan_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
- char *termz, int reg_type)
+ char *termz, zebra_map_t zm)
{
char termz0[IT_MAX_WORD];
while ((len = (cp_end - cp)) > 0)
{
- map = zebra_maps_input(zh->reg->zebra_maps, reg_type, &cp, len, 0);
+ map = zebra_maps_input(zm, &cp, len, 0);
if (**map == *CHR_SPACE)
space_map = *map;
else
break;
}
}
- rset_close (rfd);
+ rset_close(rfd);
*count = rset->hits_count;
}
+static void get_first_snippet_from_rset(ZebraHandle zh,
+ RSET rset, zebra_snippets *snippets,
+ zint *sysno)
+{
+ struct it_key key;
+ RSFD rfd;
+ TERMID termid;
+ size_t sysno_mem_index = 0;
+
+ if (zh->m_staticrank)
+ sysno_mem_index = 1;
+
+ yaz_log(YLOG_DEBUG, "get_first_snippet_from_rset");
+
+ rfd = rset_open(rset, RSETF_READ);
+ *sysno = 0;
+ while (rset_read(rfd, &key, &termid))
+ {
+ if (key.mem[sysno_mem_index] != *sysno)
+ {
+ if (*sysno)
+ break;
+ *sysno = key.mem[sysno_mem_index];
+ }
+ if (termid)
+ {
+ struct ord_list *ol;
+ for (ol = termid->ol; ol; ol = ol->next)
+ {
+ zebra_snippets_append(snippets, key.mem[key.len-1], 0,
+ ol->ord, termid->name);
+ }
+ }
+ }
+ rset_close(rfd);
+}
+
struct scan2_info_entry {
WRBUF term;
char prefix[20];
ISAM_P isam_p;
int pos_to_save;
+ int ord;
};
static int scan_handle2(char *name, const char *info, int pos, void *client)
return 0;
len_prefix = strlen(scan_info->prefix);
- if (memcmp (name, scan_info->prefix, len_prefix))
+ if (memcmp(name, scan_info->prefix, len_prefix))
return 1;
/* skip special terms such as first-in-field specials */
wrbuf_rewind(scan_info->term);
wrbuf_puts(scan_info->term, name+len_prefix);
- assert (*info == sizeof(ISAM_P));
- memcpy (&scan_info->isam_p, info+1, sizeof(ISAM_P));
+ assert(*info == sizeof(ISAM_P));
+ memcpy(&scan_info->isam_p, info+1, sizeof(ISAM_P));
return 0;
}
Z_AttributesPlusTerm *zapt,
RSET limit_set,
const char *term,
- int index_type,
+ const char *index_type,
struct scan2_info_entry *ar, int ord_no,
ZebraScanEntry *glist, int pos)
{
RSET rset = 0;
for (i = 0; i < ord_no; i++)
{
- if (ar[i].isam_p && strcmp(wrbuf_buf(ar[i].term), term) == 0)
+ if (ar[i].isam_p && strcmp(wrbuf_cstr(ar[i].term), term) == 0)
{
- RSET rset_t = rset_trunc(
+ struct ord_list *ol = ord_list_create(nmem);
+ RSET rset_t;
+
+ ol = ord_list_append(nmem, ol, ar[i].ord);
+
+ assert(ol);
+ rset_t = rset_trunc(
zh, &ar[i].isam_p, 1,
wrbuf_buf(ar[i].term), wrbuf_len(ar[i].term),
- NULL, 0, zapt->term->which, nmem,
- kc, kc->scope, 0, index_type,
+ NULL, 1, zapt->term->which, nmem,
+ kc, kc->scope, ol, index_type,
0 /* hits_limit */,
0 /* term_ref_id_str */);
if (!rset)
}
/* count it */
count_set(zh, rset, &count);
- rset_delete(rset);
- if (count > 0)
+
+ if (pos != -1)
{
- if (pos != -1)
+ zint sysno;
+ int code = -1;
+ zebra_snippets *rec_snippets = zebra_snippets_create();
+ zebra_snippets *hit_snippets = zebra_snippets_create();
+
+ glist[pos].term = 0;
+ glist[pos].display_term = 0;
+
+ get_first_snippet_from_rset(zh, rset, hit_snippets, &sysno);
+ if (sysno)
+ code = zebra_get_rec_snippets(zh, sysno, rec_snippets);
+
+ if (code == 0)
{
+ const struct zebra_snippet_word *w =
+ zebra_snippets_lookup(rec_snippets, hit_snippets);
+ if (w)
+ {
+ glist[pos].display_term = odr_strdup(stream, w->term);
+ }
+ }
+ if (!glist[pos].term)
zebra_term_untrans_iconv(zh, stream->mem, index_type,
&glist[pos].term, term);
- glist[pos].occurrences = count;
- }
- return 1;
+ glist[pos].occurrences = count;
+ zebra_snippets_destroy(rec_snippets);
+ zebra_snippets_destroy(hit_snippets);
}
+ rset_delete(rset);
+ if (count > 0)
+ return 1;
+ else
+ return 0;
}
return 0;
}
int *position, int *num_entries,
ZebraScanEntry **list,
int *is_partial, RSET limit_set,
- int index_type, int ord_no, int *ords)
+ const char *index_type,
+ int ord_no, int *ords)
{
struct scan2_info_entry *ar = nmem_malloc(nmem, sizeof(*ar) * ord_no);
struct rpn_char_map_info rcmi;
+ zebra_map_t zm = zebra_map_get(zh->reg->zebra_maps, index_type);
int i, dif;
+ int after_pos;
int pos = 0;
ZebraScanEntry *glist = (ZebraScanEntry *)
*num_entries = 0;
return ZEBRA_OK;
}
- rpn_char_map_prepare (zh->reg, index_type, &rcmi);
+ rpn_char_map_prepare(zh->reg, zm, &rcmi);
for (i = 0; i < ord_no; i++)
ar[i].term = wrbuf_alloc();
char termz[IT_MAX_WORD+20];
int prefix_len = 0;
- prefix_len = key_SU_encode (ords[i], termz);
+ prefix_len = key_SU_encode(ords[i], termz);
termz[prefix_len] = 0;
strcpy(ar[i].prefix, termz);
- if (trans_scan_term(zh, zapt, termz+prefix_len, index_type) ==
+ if (trans_scan_term(zh, zapt, termz+prefix_len, zm) ==
ZEBRA_FAIL)
+ {
+ for (i = 0; i < ord_no; i++)
+ wrbuf_destroy(ar[i].term);
return ZEBRA_FAIL;
+ }
wrbuf_rewind(ar[i].term);
wrbuf_puts(ar[i].term, termz + prefix_len);
ar[i].isam_p = 0;
+ ar[i].ord = ords[i];
}
/** deal with terms before position .. */
/* the glist index starts at zero (unlike scan positions */
ar[i].pos_to_save = -1;
strcpy(termz, ar[i].prefix);
- strcat(termz, wrbuf_buf(ar[i].term));
+ strcat(termz, wrbuf_cstr(ar[i].term));
dict_scan(zh->reg->dict, termz, &before, &after,
ar+i, scan_handle2);
}
for (i = 0; i < ord_no; i++)
{
if (ar[i].isam_p
- && (hi == 0 || strcmp(wrbuf_buf(ar[i].term), hi) > 0))
- hi = wrbuf_buf(ar[i].term);
+ && (hi == 0 || strcmp(wrbuf_cstr(ar[i].term), hi) > 0))
+ hi = wrbuf_cstr(ar[i].term);
}
if (!hi)
break;
char termz[IT_MAX_WORD+20];
int prefix_len = 0;
- prefix_len = key_SU_encode (ords[i], termz);
+ prefix_len = key_SU_encode(ords[i], termz);
termz[prefix_len] = 0;
strcpy(ar[i].prefix, termz);
- if (trans_scan_term(zh, zapt, termz+prefix_len, index_type) ==
+ if (trans_scan_term(zh, zapt, termz+prefix_len, zm) ==
ZEBRA_FAIL)
return ZEBRA_FAIL;
wrbuf_rewind(ar[i].term);
wrbuf_puts(ar[i].term, termz + prefix_len);
ar[i].isam_p = 0;
+ ar[i].ord = ords[i];
}
+ after_pos = 1; /* immediate term first.. */
for (pos = *position-1; pos < *num_entries; )
{
const char *lo = 0;
{
char termz[IT_MAX_WORD+20];
int before = 0;
- int after = (pos == *position-1) ? 1 : 2;
+ int after = after_pos;
ar[i].pos_to_save = 1;
strcpy(termz, ar[i].prefix);
- strcat(termz, wrbuf_buf(ar[i].term));
+ strcat(termz, wrbuf_cstr(ar[i].term));
dict_scan(zh->reg->dict, termz, &before, &after,
ar+i, scan_handle2);
}
}
+ after_pos = 2; /* next round we grab following term */
+
/* get minimum after scan */
for (i = 0; i < ord_no; i++)
{
if (ar[i].isam_p
- && (lo == 0 || strcmp(wrbuf_buf(ar[i].term), lo) < 0))
- lo = wrbuf_buf(ar[i].term);
+ && (lo == 0 || strcmp(wrbuf_cstr(ar[i].term), lo) < 0))
+ lo = wrbuf_cstr(ar[i].term);
}
if (!lo)
break;
*list = glist;
+ for (i = 0; i < ord_no; i++)
+ wrbuf_destroy(ar[i].term);
+
return ZEBRA_OK;
}
};
ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
- oid_value attributeset,
+ const Odr_oid *attributeset,
int num_bases, char **basenames,
int *position, int *num_entries, ZebraScanEntry **list,
int *is_partial, RSET limit_set)
int base_no;
int ords[RPN_MAX_ORDS], ord_no = 0;
- unsigned index_type;
+ const char *index_type;
char *search_type = NULL;
char rank_type[128];
int complete_flag;
*list = 0;
*is_partial = 0;
- if (attributeset == VAL_NONE)
- attributeset = VAL_BIB1;
+ if (!attributeset)
+ attributeset = yaz_oid_attset_bib_1;
if (!limit_set) /* no limit set given already */
{
if (termset_value_numeric != -2)
{
-
sprintf(resname, "%d", termset_value_numeric);
termset_name = resname;
}
else
termset_name = termset_value_string;
- limit_set = resultSetRef (zh, termset_name);
+ limit_set = resultSetRef(zh, termset_name);
+
+ if (!limit_set)
+ {
+ zebra_setError(zh,
+ YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
+ termset_name);
+ return ZEBRA_FAIL;
+ }
}
}
- yaz_log(YLOG_DEBUG, "position = %d, num = %d set=%d",
- *position, *num_entries, attributeset);
+ yaz_log(YLOG_DEBUG, "position = %d, num = %d",
+ *position, *num_entries);
if (zebra_maps_attr(zh->reg->zebra_maps, zapt, &index_type, &search_type,
rank_type, &complete_flag, &sort_flag))
{
int ord;
- if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
+ if (zebraExplain_curDatabase(zh->reg->zei, basenames[base_no]))
{
zebra_setError(zh, YAZ_BIB1_DATABASE_UNAVAILABLE,
basenames[base_no]);
projects / idzebra-moved-to-github.git / blobdiff