/* * call-seq: * AsciiLowerCaseFilter.new(token_stream) -> token_stream * * Create an AsciiLowerCaseFilter which normalizes a token's text to * lowercase but only for Ascii characters. For other characters use * LowerCaseFilter. */ static VALUE frt_a_lowercase_filter_init(VALUE self, VALUE rsub_ts) { TokenStream *ts = frt_get_cwrapped_rts(rsub_ts); ts = lowercase_filter_new(ts); object_add(&(TkFilt(ts)->sub_ts), rsub_ts); Frt_Wrap_Struct(self, &frt_tf_mark, &frt_tf_free, ts); object_add(ts, self); return self; }