+void yaz_stemmer_stem(yaz_stemmer_p stemmer, struct icu_buf_utf16 *dst, struct icu_buf_utf16* src, UErrorCode *status)
+{
+ switch(stemmer->implementation) {
+ case yaz_snowball: {
+ int length;
+ struct icu_buf_utf8 *utf8_buf = icu_buf_utf8_create(0);
+ icu_utf16_to_utf8(utf8_buf, src, status);
+ if (*status == U_ZERO_ERROR) {
+ const char *sb_symbol = sb_stemmer_stem(stemmer->sb_stemmer, icu_buf_utf8_to_cstr(utf8_buf), length);
+ if (sb_symbol == 0) {
+ icu_buf_utf16_copy(dst, src);
+ }
+ else {
+ icu_utf16_from_utf8_cstr(dst, sb_symbol, status);
+ }
+ }
+ return ;
+ break;
+ }
+ }
+}
+
+void yaz_stemmer_destroy(yaz_stemmer_p stemmer) {
+ switch (stemmer->implementation) {
+ case yaz_snowball:
+ sb_stemmer_delete(stemmer->sb_stemmer);
+ break;
+ }
+ free(stemmer->locale);
+ free(stemmer->rule);
+ free(stemmer);