!206 dts: caffe parser support parse repeated message

Merge pull request !206 from zhengyuanhua/r1.2.0

parser/caffe/caffe_parser.cc

@@ -193,6 +193,7 @@ const int kMaxParseDepth = 5;
 const int32_t kMinLineWorldSize = 3;
 const int32_t kMaxIdentifier = 536870911; // 2^29 - 1
 const int32_t kBase = 10;
+const uint32_t kInteval = 2;
 const char *const kPython = "Python";
 const char *const kProposalLayer = "ProposalLayer";
 const char *const kDetectionOutput = "DetectionOutput";
@@ -793,13 +794,22 @@ Status CaffeModelParser::ParseRepeatedField(const google::protobuf::Reflection *
     CASE_FIELD_TYPE_REPEATED(STRING, String, string);
 #undef CASE_FIELD_TYPE_REPEATED
     case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE: {
-      for (int i = 0; i < field_size; ++i) {
-        const google::protobuf::Message &sub_message = reflection->GetRepeatedMessage(*message, field, i);
-        if (ParseOperatorAttrs(&sub_message, depth + 1, ops) != SUCCESS) {
-          GELOGE(FAILED, "ParseOperatorAttrs of field: %s failed.", field->name().c_str());
-          return FAILED;
-        }
+      nlohmann::json message_json;
+      Pb2Json::RepeatedMessage2Json(*message, field, reflection, std::set<string>(),
+                                    message_json[field->name()], false);
+      std::string repeated_message_str;
+      try {
+        repeated_message_str = message_json.dump(kInteval, ' ', false, Json::error_handler_t::ignore);
+      } catch (std::exception &e) {
+        ErrorManager::GetInstance().ATCReportErrMessage("E19007", {"exception"}, {e.what()});
+        GELOGE(FAILED, "Failed to convert JSON to string, reason: %s.", e.what());
+        return FAILED;
+      } catch (...) {
+        ErrorManager::GetInstance().ATCReportErrMessage("E19008");
+        GELOGE(FAILED, "Failed to convert JSON to string.");
+        return FAILED;
       }
+      (void)ops.SetAttr(field->name(), repeated_message_str);
       break;
     }
     default: {

parser/common/convert/pb2json.h

@@ -47,11 +47,11 @@ class Pb2Json {
   static void Message2Json(const ProtobufMsg &message, const std::set<std::string> &black_fields, Json &json,
                            bool enum2str = false);
 
- protected:
   static void RepeatedMessage2Json(const ProtobufMsg &message, const ProtobufFieldDescriptor *field,
                                    const ProtobufReflection *reflection, const std::set<std::string> &black_fields,
                                    Json &json, bool enum2str);
 
+ protected:
   static void Enum2Json(const ProtobufEnumValueDescriptor *enum_value_desc, const ProtobufFieldDescriptor *field,
                         bool enum2str, Json &json);