+int zebra_map_tokenize_start(zebra_map_t zm,
+ const char *buf, size_t len)
+{
+ assert(zm->use_chain);
+
+ wrbuf_rewind(zm->input_str);
+ wrbuf_write(zm->input_str, buf, len);
+ zm->simple_off = 0;
+#if YAZ_HAVE_ICU
+ if (zm->icu_chain)
+ {
+ UErrorCode status;
+ if (zm->debug)
+ {
+ wrbuf_rewind(zm->print_str);
+ wrbuf_write_escaped(zm->print_str, wrbuf_buf(zm->input_str),
+ wrbuf_len(zm->input_str));
+
+ yaz_log(YLOG_LOG, "input %s",
+ wrbuf_cstr(zm->print_str));
+ }
+ icu_chain_assign_cstr(zm->icu_chain,
+ wrbuf_cstr(zm->input_str),
+ &status);
+ if (!U_SUCCESS(status))
+ {
+ if (zm->debug)
+ {
+ yaz_log(YLOG_WARN, "bad encoding for input");
+ }
+ return -1;
+ }
+ }
+#endif
+ return 0;
+}
+