- termp = use_string;
- strcpy (term_dict+prefix_len, use_string);
-
- grep_info.isam_p_indx = 0;
- yaz_log (LOG_LOG, "rpn_search_xpath 3 %s", term_dict+prefix_len);
- r = dict_lookup_grep (zh->reg->dict, term_dict, 0,
- &grep_info, &max_pos, 0, grep_handle);
- yaz_log (LOG_LOG, "%s %d positions", use_string,
- grep_info.isam_p_indx);
- rset_start_tag =
- rset_trunc (zh, grep_info.isam_p_buf,
- grep_info.isam_p_indx, use_string, strlen(use_string),
- rank_type, 1);
-
- prefix_len = 0;
- ord = zebraExplain_lookupSU (zh->reg->zei, curAttributeSet, 2);
- if (ord < 0)
- continue;
- if (prefix_len)
- term_dict[prefix_len++] = '|';
- else
- term_dict[prefix_len++] = '(';
-
- ord_len = key_SU_encode (ord, ord_buf);
- for (i = 0; i<ord_len; i++)
- {
- term_dict[prefix_len++] = 1;
- term_dict[prefix_len++] = ord_buf[i];
+ if (xpath[level].predicate &&
+ xpath[level].predicate->which == XPATH_PREDICATE_RELATION &&
+ xpath[level].predicate->u.relation.name[0])
+ {
+ WRBUF wbuf = wrbuf_alloc();
+ wrbuf_puts(wbuf, xpath[level].predicate->u.relation.name+1);
+ if (xpath[level].predicate->u.relation.value)
+ {
+ const char *cp = xpath[level].predicate->u.relation.value;
+ wrbuf_putc(wbuf, '=');
+
+ while (*cp)
+ {
+ if (strchr(REGEX_CHARS, *cp))
+ wrbuf_putc(wbuf, '\\');
+ wrbuf_putc(wbuf, *cp);
+ cp++;
+ }
+ }
+ wrbuf_puts(wbuf, "");
+ rset_attr = xpath_trunc (
+ zh, stream, '0', wrbuf_buf(wbuf), 3, curAttributeSet);
+ wrbuf_free(wbuf, 1);
+ }
+ 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;