Intermediate changes

1 files changed, 27 insertions, 0 deletions

diff --git a/library/cpp/eventlog/event_field_printer.cpp b/library/cpp/eventlog/event_field_printer.cpp
new file mode 100644
index 0000000000..29c6b4b661
--- /dev/null
+++ b/library/cpp/eventlog/event_field_printer.cpp
@@ -0,0 +1,27 @@
+#include "event_field_printer.h"
+
+#include <library/cpp/protobuf/json/proto2json.h>
+
+namespace {
+
+    const NProtobufJson::TProto2JsonConfig PROTO_2_JSON_CONFIG = NProtobufJson::TProto2JsonConfig()
+        .SetMissingRepeatedKeyMode(NProtobufJson::TProto2JsonConfig::MissingKeyDefault)
+        .AddStringTransform(MakeIntrusive<NProtobufJson::TBase64EncodeBytesTransform>());
+
+} // namespace
+
+TEventProtobufMessageFieldPrinter::TEventProtobufMessageFieldPrinter(EProtobufMessageFieldPrintMode mode)
+    : Mode(mode)
+{}
+
+template <>
+void TEventProtobufMessageFieldPrinter::PrintProtobufMessageFieldToOutput<google::protobuf::Message, false>(const google::protobuf::Message& field, TEventFieldOutput& output) {
+    switch (Mode) {
+        case EProtobufMessageFieldPrintMode::DEFAULT:
+        case EProtobufMessageFieldPrintMode::JSON: {
+            // Do not use field.PrintJSON() here: IGNIETFERRO-2002
+            NProtobufJson::Proto2Json(field, output, PROTO_2_JSON_CONFIG);
+            break;
+        }
+    }
+}