+ const char *retrieval_index;
+ size_t retrieval_index_len;
+ const char *retrieval_type;
+ size_t retrieval_type_len;
+ zebra_rec_keys_t keys;
+ int ret_code = 0;
+ char retrieval_type_cstr[256];
+
+ /* set output variables before processing possible error states */
+ /* *rec_lenp = 0; */
+
+ /* only accept XML and SUTRS requests */
+ if (oid_oidcmp(input_format, yaz_oid_recsyn_xml)
+ && oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
+ {
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ elemsetname);
+ *output_format = 0;
+ return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
+ }
+
+ if (!parse_zebra_elem(elemsetname,
+ &retrieval_index, &retrieval_index_len,
+ &retrieval_type, &retrieval_type_len))
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+
+ if (retrieval_type_len)
+ {
+ memcpy(retrieval_type_cstr, retrieval_type, retrieval_type_len);
+ retrieval_type_cstr[retrieval_type_len] = '\0';
+ }
+
+ if (retrieval_index_len)
+ {
+ char retrieval_index_cstr[256];
+
+ if (retrieval_index_len < sizeof(retrieval_index_cstr) -1)
+ {
+ memcpy(retrieval_index_cstr, retrieval_index, retrieval_index_len);
+ retrieval_index_cstr[retrieval_index_len] = '\0';
+
+ if (zebraExplain_lookup_attr_str(zh->reg->zei,
+ zinfo_index_category_index,
+ (retrieval_type_len == 0 ? 0 :
+ retrieval_type_cstr),
+ retrieval_index_cstr) == -1)
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ }
+ }
+
+ keys = zebra_rec_keys_open();
+ zebra_rec_keys_set_buf(keys, rec->info[recInfo_delKeys],
+ rec->size[recInfo_delKeys], 0);
+
+ if (!zebra_rec_keys_rewind(keys))
+ {
+ ret_code = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ }
+ else
+ {
+ size_t slen;
+ const char *str;
+ struct it_key key_in;
+ WRBUF wrbuf = wrbuf_alloc();
+
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ {
+ *output_format = input_format;
+ wrbuf_printf(wrbuf, ZEBRA_XML_HEADER_STR
+ " sysno=\"" ZINT_FORMAT "\""
+ " set=\"zebra::index%s/\">\n",
+ sysno, elemsetname);
+ }
+ else if (!oid_oidcmp(input_format, yaz_oid_recsyn_sutrs))
+ *output_format = input_format;
+
+ while (zebra_rec_keys_read(keys, &str, &slen, &key_in))
+ {
+ int i;
+ int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
+ const char *index_type;
+ const char *db = 0;
+ const char *string_index = 0;
+ size_t string_index_len;
+ char dst_buf[IT_MAX_WORD];
+
+ zebraExplain_lookup_ord(zh->reg->zei, ord, &index_type, &db,
+ &string_index);
+ string_index_len = strlen(string_index);
+
+ /* process only if index is not defined,
+ or if defined and matching */
+ if (retrieval_index == 0
+ || (string_index_len == retrieval_index_len
+ && !memcmp(string_index, retrieval_index,
+ string_index_len)))
+ {
+ /* process only if type is not defined, or is matching */
+ if (retrieval_type == 0
+ || !strcmp(retrieval_type_cstr, index_type))
+ {
+ zebra_term_untrans(zh, index_type, dst_buf, str);
+ if (strlen(dst_buf))
+ {
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ {
+ wrbuf_printf(wrbuf, " <index name=\"%s\"",
+ string_index);
+
+ wrbuf_printf(wrbuf, " type=\"%s\"", index_type);
+
+ wrbuf_printf(wrbuf, " seq=\"" ZINT_FORMAT "\">",
+ key_in.mem[key_in.len -1]);
+
+ wrbuf_xmlputs(wrbuf, dst_buf);
+ wrbuf_printf(wrbuf, "</index>\n");
+ }
+ else
+ {
+ wrbuf_printf(wrbuf, "%s ", string_index);
+
+ wrbuf_printf(wrbuf, "%s", index_type);
+
+ for (i = 1; i < key_in.len; i++)
+ wrbuf_printf(wrbuf, " " ZINT_FORMAT,
+ key_in.mem[i]);
+
+ /* zebra_term_untrans(zh, index_type, dst_buf, str); */
+ wrbuf_printf(wrbuf, " %s", dst_buf);
+
+ wrbuf_printf(wrbuf, "\n");
+ }
+ }
+
+ }
+ }
+ }
+ if (!oid_oidcmp(input_format, yaz_oid_recsyn_xml))
+ wrbuf_printf(wrbuf, "</record>\n");
+ *rec_lenp = wrbuf_len(wrbuf);
+ *rec_bufp = odr_malloc(odr, *rec_lenp);
+ memcpy(*rec_bufp, wrbuf_buf(wrbuf), *rec_lenp);
+ wrbuf_destroy(wrbuf);
+ }
+ zebra_rec_keys_close(keys);
+ return ret_code;