+
+
+
+static int zebra_create_record_stream(ZebraHandle zh,
+ Record *rec,
+ struct ZebraRecStream *stream){
+
+ RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, *rec);
+
+ if ((*rec)->size[recInfo_storeData] > 0){
+ zebra_create_stream_mem(stream, (*rec)->info[recInfo_storeData],
+ (*rec)->size[recInfo_storeData]);
+ }
+ else {
+ char full_rep[1024];
+ int fd;
+
+ if (zh->path_reg && !yaz_is_abspath((*rec)->info[recInfo_filename])){
+ strcpy(full_rep, zh->path_reg);
+ strcat(full_rep, "/");
+ strcat(full_rep, (*rec)->info[recInfo_filename]);
+ }
+ else
+ strcpy(full_rep, (*rec)->info[recInfo_filename]);
+
+ if ((fd = open (full_rep, O_BINARY|O_RDONLY)) == -1){
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "Retrieve fail; missing file: %s",
+ full_rep);
+ rec_free(rec);
+ return 14;
+ }
+ zebra_create_stream_fd(stream, fd, recordAttr->recordOffset);
+ }
+ return 0;
+}
+
+
+
+static void parse_zebra_elem(const char *elem,
+ const char **index, size_t *index_len,
+ const char **type, size_t *type_len)
+{
+ *type = 0;
+ *type_len = 0;
+
+ *index = 0;
+ *index_len = 0;
+
+ if (elem && *elem)
+ {
+ const char *cp = strchr(elem, ':');
+
+ if (!cp) /* no colon */
+ {
+ *index = elem;
+ *index_len = strlen(elem);
+ }
+ else if (cp[1] == '\0') /* 'index:' */
+ {
+ *index = elem;
+ *index_len = cp - elem;
+ }
+ else
+ {
+ *index = elem;
+ *index_len = cp - elem;
+ *type = cp+1;
+ *type_len = strlen(cp+1);
+ }
+ }
+}
+
+
+int zebra_special_index_fetch(ZebraHandle zh, zint sysno, ODR odr,
+ Record rec,
+ const char *elemsetname,
+ oid_value input_format,
+ oid_value *output_format,
+ char **rec_bufp, int *rec_lenp)
+{
+ const char *retrieval_index;
+ size_t retrieval_index_len;
+ const char *retrieval_type;
+ size_t retrieval_type_len;
+ WRBUF wrbuf = 0;
+ zebra_rec_keys_t keys;
+
+ /* set output variables before processing possible error states */
+ /* *rec_lenp = 0; */
+
+ /* only accept XML and SUTRS requests */
+ if (input_format != VAL_TEXT_XML
+ && input_format != VAL_SUTRS){
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ elemsetname);
+ *output_format = VAL_NONE;
+ return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
+ }
+
+ parse_zebra_elem(elemsetname,
+ &retrieval_index, &retrieval_index_len,
+ &retrieval_type, &retrieval_type_len);
+
+ if (retrieval_type_len != 0 && retrieval_type_len != 1)
+ {
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+ }
+
+ 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 ? -1 :
+ retrieval_type[0]),
+ 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);
+
+ wrbuf = wrbuf_alloc();
+ if (zebra_rec_keys_rewind(keys)){
+ size_t slen;
+ const char *str;
+ struct it_key key_in;
+
+ if (input_format == VAL_TEXT_XML){
+ *output_format = VAL_TEXT_XML;
+ /*wrbuf_printf(wrbuf,
+ "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");*/
+
+ wrbuf_printf(wrbuf,
+ "<record xmlns="
+ "\"http://www.indexdata.com/zebra/\""
+ " sysno=\"" ZINT_FORMAT "\""
+ " set=\"zebra::index::%s/\">\n",
+ sysno, elemsetname);
+ }
+ else if (input_format == VAL_SUTRS)
+ *output_format = VAL_SUTRS;
+
+
+ while(zebra_rec_keys_read(keys, &str, &slen, &key_in)){
+ int i;
+ int ord = CAST_ZINT_TO_INT(key_in.mem[0]);
+ int 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);
+ if (retrieval_index == 0
+ || (string_index_len == retrieval_index_len
+ && !memcmp(string_index, retrieval_index,
+ string_index_len))){
+
+ if (retrieval_type == 0
+ || (retrieval_type_len == 1
+ && retrieval_type[0] == index_type)){
+
+ if (input_format == VAL_TEXT_XML){
+ wrbuf_printf(wrbuf, " <index name=\"%s\"",
+ string_index);
+
+ wrbuf_printf(wrbuf, " type=\"%c\"", index_type);
+
+ wrbuf_printf(wrbuf, " seq=\"" ZINT_FORMAT "\">",
+ key_in.mem[key_in.len -1]);
+
+ zebra_term_untrans(zh, index_type, dst_buf, str);
+ wrbuf_xmlputs(wrbuf, dst_buf);
+ wrbuf_printf(wrbuf, "</index>\n");
+ }
+ else if (input_format == VAL_SUTRS){
+ wrbuf_printf(wrbuf, "%s ", string_index);
+
+ wrbuf_printf(wrbuf, "%c", 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 (input_format == VAL_TEXT_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_free(wrbuf, 1);
+ zebra_rec_keys_close(keys);
+ return 0;
+}
+
+
+int zebra_special_fetch(ZebraHandle zh, zint sysno, ODR odr,
+ const char *elemsetname,
+ oid_value input_format,
+ oid_value *output_format,
+ char **rec_bufp, int *rec_lenp)
+{
+ Record rec;
+
+ /* set output variables before processing possible error states */
+ /* *rec_lenp = 0; */
+
+ /* only accept XML and SUTRS requests */
+ if (input_format != VAL_TEXT_XML
+ && input_format != VAL_SUTRS){
+ yaz_log(YLOG_WARN, "unsupported format for element set zebra::%s",
+ elemsetname);
+ return YAZ_BIB1_NO_SYNTAXES_AVAILABLE_FOR_THIS_REQUEST;
+ }
+
+ /* processing zebra::meta::sysno elemset without fetching binary data */
+ if (elemsetname && 0 == strcmp(elemsetname, "meta::sysno"))
+ {
+ char rec_str[128];
+ if (input_format == VAL_SUTRS){
+ sprintf(rec_str, ZINT_FORMAT, sysno);
+ *output_format = VAL_SUTRS;
+ }
+ else if (input_format == VAL_TEXT_XML){
+ sprintf(rec_str, "<record xmlns="
+ "\"http://www.indexdata.com/zebra/\""
+ " sysno=\"" ZINT_FORMAT "\""
+ " set=\"zebra::%s\"/>\n",
+ sysno, elemsetname);
+ *output_format = VAL_TEXT_XML;
+ }
+ *rec_lenp = strlen(rec_str);
+ if (*rec_lenp){
+ *rec_bufp = odr_strdup(odr, rec_str);
+ return 0;
+ } else {
+ return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ }
+ }
+
+ /* fetching binary record up for all other display elementsets */
+ rec = rec_get(zh->reg->records, sysno);
+ if (!rec){
+ yaz_log(YLOG_WARN, "rec_get fail on sysno=" ZINT_FORMAT, sysno);
+ return YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
+ }
+
+ /* processing special elementsetnames zebra::index:: */
+ if (elemsetname && 0 == strncmp(elemsetname, "index::", 7)){
+
+ int ret = zebra_special_index_fetch(zh, sysno, odr, rec,
+ elemsetname + 7,
+ input_format, output_format,
+ rec_bufp, rec_lenp);
+
+ rec_free(&rec);
+ return ret;
+ }
+
+ /* processing special elementsetnames zebra::data */
+ if (elemsetname && 0 == strcmp(elemsetname, "data")){
+ struct ZebraRecStream stream;
+ RecordAttr *recordAttr = rec_init_attr(zh->reg->zei, rec);
+ zebra_create_record_stream(zh, &rec, &stream);
+ *output_format = input_format;
+ *rec_lenp = recordAttr->recordSize;
+ *rec_bufp = (char *) odr_malloc(odr, *rec_lenp);
+ stream.readf(&stream, *rec_bufp, *rec_lenp);
+ stream.destroy(&stream);
+ rec_free(&rec);
+ return 0;
+ }
+
+ if (rec)
+ rec_free(&rec);
+ return YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
+}
+
+
+int zebra_record_fetch(ZebraHandle zh, zint sysno, int score,
+ zebra_snippets *hit_snippet, ODR odr,
+ oid_value input_format, Z_RecordComposition *comp,
+ oid_value *output_format,
+ char **rec_bufp, int *rec_lenp, char **basenamep,
+ char **addinfo)