/* * call-seq: * top_doc.to_s(field = :id) -> string * * Returns a string represention of the top_doc in readable format. */ static VALUE frt_td_to_s(int argc, VALUE *argv, VALUE self) { int i; VALUE rhits = rb_funcall(self, id_hits, 0); Searcher *sea = (Searcher *)DATA_PTR(rb_funcall(self, id_searcher, 0)); const int len = RARRAY(rhits)->len; char *str = ALLOC_N(char, len * 64 + 100); char *s = str; char *field = "id"; VALUE rstr; if (argc) { field = frt_field(argv[0]); } sprintf(s, "TopDocs: total_hits = %d, max_score = %f [\n", FIX2INT(rb_funcall(self, id_total_hits, 0)), NUM2DBL(rb_funcall(self, id_max_score, 0))); s += strlen(s); for (i = 0; i < len; i++) { VALUE rhit = RARRAY(rhits)->ptr[i]; int doc_id = FIX2INT(rb_funcall(rhit, id_doc, 0)); char *value = ""; LazyDoc *lzd = sea->get_lazy_doc(sea, doc_id); LazyDocField *lzdf = h_get(lzd->field_dict, field); if (NULL != lzdf) { value = lazy_df_get_data(lzdf, 0); } sprintf(s, "\t%d \"%s\": %f\n", doc_id, value, NUM2DBL(rb_funcall(rhit, id_score, 0))); s += strlen(s); lazy_doc_close(lzd); } sprintf(s, "]\n"); rstr = rb_str_new2(str); free(str); return rstr; }