-/* $Id: retrieve.c,v 1.78 2007-12-03 13:04:04 adam Exp $
+/* $Id: retrieve.c,v 1.82 2007-12-05 09:55:57 adam Exp $
Copyright (C) 1995-2007
Index Data ApS
struct index_spec {
const char *index_name;
const char *index_type;
+ const char *extra;
struct index_spec *next;
};
struct index_spec *spec = nmem_malloc(nmem, sizeof(*spec));
spec->index_type = 0;
spec->next = 0;
+ spec->extra = 0;
if (!first)
first = spec;
cp++;
cp0 = cp;
- while (*cp != '\0' && *cp != ',')
+ while (*cp != '\0' && *cp != ',' && *cp != ':')
cp++;
spec->index_type = nmem_strdupn(nmem, cp0, cp - cp0);
}
+ if (*cp == ':') /* extra arguments */
+ {
+ cp++;
+ cp0 = cp;
+
+ while (*cp != '\0' && *cp != ',' && *cp != ':')
+ cp++;
+ spec->extra = nmem_strdupn(nmem, cp0, cp - cp0);
+ }
if (*cp != ',')
break;
}
return hits;
}
+int term_qsort_handle(const void *a, const void *b)
+{
+ const struct term_collect *l = a;
+ const struct term_collect *r = b;
+ if (l->set_occur < r->set_occur)
+ return 1;
+ else if (l->set_occur > r->set_occur)
+ return -1;
+ else
+ {
+ const char *lterm = l->term ? l->term : "";
+ const char *rterm = r->term ? r->term : "";
+ return strcmp(lterm, rterm);
+ }
+}
+
void term_collect_freq(ZebraHandle zh,
struct term_collect *col, int no_terms_collect,
int ord, RSET rset)
if (col[i].term)
col[i].set_occur = freq_term(zh, ord, col[i].term, rset);
}
+ qsort(col, no_terms_collect, sizeof(*col), term_qsort_handle);
}
struct term_collect *term_collect_create(zebra_strmap_t sm,
it = zebra_strmap_it_create(sm);
while ((term = zebra_strmap_it_next(it, &data_buf, &data_len)))
{
+ /* invariant:
+ col[0] has lowest oc . col[no_terms_collect-1] has highest oc */
int oc = *(int*) data_buf;
int j = 0;
/* insertion may be slow but terms terms will be "infrequent" and
- thus number of iterations should be small below */
+ thus number of iterations should be small below
+ */
while (j < no_terms_collect && oc > col[j].oc)
j++;
- if (j)
- {
+ if (j)
+ { /* oc <= col[j] and oc > col[j-1] */
--j;
memmove(col, col+1, sizeof(*col) * j);
col[j].term = term;
zint *pos_array;
int i;
int num_recs = 10; /* number of records to analyze */
- int no_collect_terms = 20; /* number of term candidates */
ZebraMetaRecord *poset;
ZEBRA_RES ret = ZEBRA_OK;
int *ord_array;
WRBUF wr = wrbuf_alloc();
+ int use_xml = 0;
int no_ord = 0;
struct index_spec *spec, *spec_list;
int error;
+ /* see if XML is required for response */
+ if (oid_oidcmp(input_format, yaz_oid_recsyn_xml) == 0)
+ use_xml = 1;
spec_list = parse_index_spec(elemsetname, odr_getmem(odr), &error);
if (!spec_list || error)
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
-
+ {
+ zebra_setError(
+ zh,
+ YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_,
+ 0);
+ return ZEBRA_FAIL;
+ }
+
for (spec = spec_list; spec; spec = spec->next)
{
if (!spec->index_type)
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ {
+ zebra_setError(
+ zh,
+ YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_,
+ 0);
+ return ZEBRA_FAIL;
+ }
no_ord++;
}
spec->index_name);
if (ord == -1)
{
- return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ zebra_setError(
+ zh,
+ YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_,
+ 0);
+ return ZEBRA_FAIL;
}
ord_array[i] = ord;
}
-
- pos_array = (zint *) xmalloc(num_recs * sizeof(*pos_array));
+ pos_array = (zint *) odr_malloc(odr, num_recs * sizeof(*pos_array));
for (i = 0; i < num_recs; i++)
pos_array[i] = i+1;
poset = zebra_meta_records_create(zh, setname, num_recs, pos_array);
{
zebra_setError(zh, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST,
setname);
- xfree(pos_array);
ret = ZEBRA_FAIL;
}
else
i++, spec = spec->next)
{
int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
- if (ord == ord_array[i])
+ if (ord == ord_array[i] &&
+ str[0] != FIRST_IN_FIELD_CHAR)
{
int *freq;
zebra_strmap_t sm = map_array[i];
rec_free(&rec);
}
}
- wrbuf_puts(wr, "<facets>\n");
+ if (use_xml)
+ wrbuf_puts(wr, "<facets>\n");
for (spec = spec_list, i = 0; i < no_ord; i++, spec = spec->next)
{
int j;
NMEM nmem = nmem_create();
- struct term_collect *col = term_collect_create(map_array[i],
- no_collect_terms,
- nmem);
+ struct term_collect *col;
+ int no_collect_terms = 20;
+
+ if (spec->extra)
+ no_collect_terms = atoi(spec->extra);
+ if (no_collect_terms < 1)
+ no_collect_terms = 1;
+ col = term_collect_create(map_array[i], no_collect_terms, nmem);
term_collect_freq(zh, col, no_collect_terms, ord_array[i],
resultSetRef(zh, setname));
- wrbuf_printf(wr, " <facet type=\"%s\" index=\"%s\">\n",
- spec->index_type, spec->index_name);
+ if (use_xml)
+ wrbuf_printf(wr, " <facet type=\"%s\" index=\"%s\">\n",
+ spec->index_type, spec->index_name);
+ else
+ wrbuf_printf(wr, "facet %s %s\n",
+ spec->index_type, spec->index_name);
for (j = 0; j < no_collect_terms; j++)
{
if (col[j].term)
{
char dst_buf[IT_MAX_WORD];
zebra_term_untrans(zh, spec->index_type, dst_buf, col[j].term);
- wrbuf_printf(wr, " <term coccur=\"%d\"", col[j].oc);
- if (col[j].set_occur)
- wrbuf_printf(wr, " occur=\"" ZINT_FORMAT "\"",
- col[j].set_occur);
- wrbuf_printf(wr, ">");
- wrbuf_xmlputs(wr, dst_buf);
- wrbuf_printf(wr, "</term>\n");
+ if (use_xml)
+ {
+ wrbuf_printf(wr, " <term coccur=\"%d\"", col[j].oc);
+ if (col[j].set_occur)
+ wrbuf_printf(wr, " occur=\"" ZINT_FORMAT "\"",
+ col[j].set_occur);
+ wrbuf_printf(wr, ">");
+ wrbuf_xmlputs(wr, dst_buf);
+ wrbuf_printf(wr, "</term>\n");
+ }
+ else
+ {
+ wrbuf_printf(wr, "term %d", col[j].oc);
+ if (col[j].set_occur)
+ wrbuf_printf(wr, " " ZINT_FORMAT,
+ col[j].set_occur);
+ wrbuf_printf(wr, ": %s\n", dst_buf);
+ }
}
}
- wrbuf_puts(wr, " </facet>\n");
+ if (use_xml)
+ wrbuf_puts(wr, " </facet>\n");
nmem_destroy(nmem);
}
- wrbuf_puts(wr, "</facets>\n");
+ if (use_xml)
+ wrbuf_puts(wr, "</facets>\n");
for (i = 0; i < no_ord; i++)
zebra_strmap_destroy(map_array[i]);
}
*rec_lenp = strlen(*rec_bufp);
*output_format = yaz_oid_recsyn_xml;
- xfree(pos_array);
zebra_meta_records_destroy(zh, poset, num_recs);
return ret;
}