Add use_snake_case_for_field_names option to JsonPrintOptions

1 files changed, 4 insertions, 1 deletions

diff --git a/src/google/protobuf/util/json_util.h b/src/google/protobuf/util/json_util.h
index 53b1d1ba..439d137f 100644
--- a/src/google/protobuf/util/json_util.h
+++ b/src/google/protobuf/util/json_util.h
@@ -64,10 +64,13 @@ struct JsonPrintOptions {
   // Whether to always print enums as ints. By default they are rendered as
   // strings.
   bool always_print_enums_as_ints;
+  // Whether to convert field names to snake case
+  bool use_snake_case_for_field_names;
 
   JsonPrintOptions() : add_whitespace(false),
                        always_print_primitive_fields(false),
-                       always_print_enums_as_ints(false) {
+                       always_print_enums_as_ints(false),
+                       use_snake_case_for_field_names(false) {
   }
 };