+static RSET rpn_search_xpath (ZebraHandle zh,
+ oid_value attributeSet,
+ int num_bases, char **basenames,
+ NMEM stream, const char *rank_type, RSET rset,
+ int xpath_len, struct xpath_location_step *xpath)
+{
+ oid_value curAttributeSet = attributeSet;
+ int base_no;
+ int i;
+
+ if (xpath_len < 0)
+ return rset;
+
+ yaz_log (LOG_LOG, "len=%d", xpath_len);
+ for (i = 0; i<xpath_len; i++)
+ {
+ yaz_log (LOG_LOG, "XPATH %d %s", i, xpath[i].part);
+
+ }
+
+ curAttributeSet = VAL_IDXPATH;
+
+ /*
+ //a -> a/.*
+ //a/b -> b/a/.*
+ /a -> a/
+ /a/b -> b/a/
+
+ / -> none
+
+ a[@attr=value]/b[@other=othervalue]
+
+ /e/@a val range(e/,range(@a,freetext(w,1015,val),@a),e/)
+ /a/b val range(b/a/,freetext(w,1016,val),b/a/)
+ /a/b/@c val range(b/a/,range(@c,freetext(w,1016,val),@c),b/a/)
+ /a/b[@c=y] val range(b/a/,freetext(w,1016,val),b/a/,@c=y)
+ /a[@c=y]/b val range(a/,range(b/a/,freetext(w,1016,val),b/a/),a/,@c=y)
+ /a[@c=x]/b[@c=y] range(a/,range(b/a/,freetext(w,1016,val),b/a/,@c=y),a/,@c=x)
+
+ */
+
+ dict_grep_cmap (zh->reg->dict, 0, 0);
+
+ for (base_no = 0; base_no < num_bases; base_no++)
+ {
+ int level = xpath_len;
+ int first_path = 1;
+
+ if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
+ {
+ zh->errCode = 109; /* Database unavailable */
+ zh->errString = basenames[base_no];
+ return rset;
+ }
+ while (--level >= 0)
+ {
+ char xpath_rev[128];
+ int i, len;
+ rset_between_parms parms;
+ RSET rset_start_tag = 0, rset_end_tag = 0, rset_attr = 0;
+
+ *xpath_rev = 0;
+ len = 0;
+ for (i = level; i >= 1; --i)
+ {
+ const char *cp = xpath[i].part;
+ if (*cp)
+ {
+ for (;*cp; cp++)
+ if (*cp == '*')
+ {
+ memcpy (xpath_rev + len, "[^/]*", 5);
+ len += 5;
+ }
+ else if (*cp == ' ')
+ {
+
+ xpath_rev[len++] = 1;
+ xpath_rev[len++] = ' ';
+ }
+
+ else
+ xpath_rev[len++] = *cp;
+ xpath_rev[len++] = '/';
+ }
+ else if (i == 1) /* // case */
+ {
+ xpath_rev[len++] = '.';
+ xpath_rev[len++] = '*';
+ }
+ }
+ xpath_rev[len] = 0;
+
+ if (xpath[level].predicate &&
+ xpath[level].predicate->which == XPATH_PREDICATE_RELATION &&
+ xpath[level].predicate->u.relation.name[0])
+ {
+ char predicate_str[128];
+
+ strcpy (predicate_str,
+ xpath[level].predicate->u.relation.name+1);
+ if (xpath[level].predicate->u.relation.value)
+ {
+ strcat (predicate_str, "=");
+ strcat (predicate_str,
+ xpath[level].predicate->u.relation.value);
+ }
+ rset_attr = xpath_trunc (
+ zh, stream, '0', predicate_str, 3, curAttributeSet);
+ }
+ else
+ {
+ if (!first_path)
+ continue;
+ }
+ yaz_log (LOG_LOG, "xpath_rev (%d) = %s", level, xpath_rev);
+ if (strlen(xpath_rev))
+ {
+ rset_start_tag = xpath_trunc(zh, stream,
+ '0', xpath_rev, 1, curAttributeSet);
+
+ rset_end_tag = xpath_trunc(zh, stream,
+ '0', xpath_rev, 2, curAttributeSet);
+
+ parms.key_size = sizeof(struct it_key);
+ parms.cmp = key_compare_it;
+ parms.rset_l = rset_start_tag;
+ parms.rset_m = rset;
+ parms.rset_r = rset_end_tag;
+ parms.rset_attr = rset_attr;
+ parms.printer = key_print_it;
+ rset = rset_create (rset_kind_between, &parms);
+ }
+ first_path = 0;
+ }
+ }
+
+ return rset;
+}
+
+
+
+static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ oid_value attributeSet, NMEM stream,
+ Z_SortKeySpecList *sort_sequence,
+ int num_bases, char **basenames)
+{
+ unsigned reg_id;
+ char *search_type = NULL;
+ char rank_type[128];
+ int complete_flag;
+ int sort_flag;
+ char termz[IT_MAX_WORD+1];
+ RSET rset = 0;
+ int xpath_len;
+ int xpath_use = 0;
+ struct xpath_location_step xpath[10];
+
+ zebra_maps_attr (zh->reg->zebra_maps, zapt, ®_id, &search_type,
+ rank_type, &complete_flag, &sort_flag);
+
+ logf (LOG_DEBUG, "reg_id=%c", reg_id);
+ logf (LOG_DEBUG, "complete_flag=%d", complete_flag);
+ logf (LOG_DEBUG, "search_type=%s", search_type);
+ logf (LOG_DEBUG, "rank_type=%s", rank_type);
+
+ if (zapt_term_to_utf8(zh, zapt, termz))
+ return 0;
+
+ if (sort_flag)
+ return rpn_sort_spec (zh, zapt, attributeSet, stream, sort_sequence,
+ rank_type);
+ xpath_len = parse_xpath(zh, zapt, attributeSet, xpath, stream);
+ if (xpath_len >= 0)
+ {
+ xpath_use = 1016;
+ if (xpath[xpath_len-1].part[0] == '@')
+ xpath_use = 1015;
+ }
+
+ if (!strcmp (search_type, "phrase"))
+ {
+ rset = rpn_search_APT_phrase (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames);
+ }
+ else if (!strcmp (search_type, "and-list"))
+ {
+ rset = rpn_search_APT_and_list (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames);
+ }
+ else if (!strcmp (search_type, "or-list"))
+ {
+ rset = rpn_search_APT_or_list (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames);
+ }
+ else if (!strcmp (search_type, "local"))
+ {
+ rset = rpn_search_APT_local (zh, zapt, termz, attributeSet, stream,
+ rank_type);
+ }
+ else if (!strcmp (search_type, "numeric"))
+ {
+ rset = rpn_search_APT_numeric (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames);
+ }
+ else if (!strcmp (search_type, "always"))
+ {
+ rset = 0;
+ }
+ else
+ zh->errCode = 118;
+ return rpn_search_xpath (zh, attributeSet, num_bases, basenames,
+ stream, rank_type, rset, xpath_len, xpath);
+}
+
+static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs,
+ oid_value attributeSet, NMEM stream,
+ Z_SortKeySpecList *sort_sequence,