/*
 *  call-seq:
 *     query_parser.tokenized_fields -> Array of Symbols
 *
 *  Returns the list of all tokenized_fields that the QueryParser knows about.
 */
static VALUE
frt_qp_get_tkz_fields(VALUE self)
{
    GET_QP;
    int i;
    HashSet *fields = qp->tokenized_fields;
    if (fields) {
        VALUE rfields = rb_ary_new();

        for (i = 0; i < fields->size; i++) {
            rb_ary_push(rfields, ID2SYM(rb_intern((char *)fields->elems[i])));
        } 

        return rfields;
    }
    else {
        return Qnil;
    }
}