/* * call-seq: * index_reader.fields -> array of field-names * * Returns an array of field names in the index. This can be used to pass to * the QueryParser so that the QueryParser knows how to expand the "*" * wild-card to all fields in the index. A list of field names can also be * gathered from the FieldInfos object. */ static VALUE frt_ir_fields(VALUE self) { IndexReader *ir = (IndexReader *)DATA_PTR(self); FieldInfos *fis = ir->fis; VALUE rfield_names = rb_ary_new(); int i; for (i = 0; i < fis->size; i++) { rb_ary_push(rfield_names, ID2SYM(rb_intern(fis->fields[i]->name))); } return rfield_names; }