map_fields.proto

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

edition = "2023";

package protos;

option features.utf8_validation = NONE;
option java_package = "protos";
option java_multiple_files = true;

message MapMsg {
  map<string, string> string_string = 1;
  map<string, int32> string_int = 2;
  map<string, MapValue> string_message = 3;
  map<int32, string> int_string = 4;
  map<int32, int32> int_int = 5;
  map<int32, MapValue> int_message = 6;

  enum Color {
    option features.enum_type = CLOSED;

    GREEN = 0;
    YELLOW = 1;
    RED = 2;
  }

  map<bool, Color> bool_enum = 7;
}

message MapValue {
  string foo = 1 [features.field_presence = LEGACY_REQUIRED];
}

// Verifying conversion from RepeatedFields to Maps for string, string.
message FakeStringStringMapFieldEntry {
  string key = 1;
  string value = 2;
}

message FakeStringStringMap {
  repeated FakeStringStringMapFieldEntry map_field = 1;
}

message RealStringStringMap {
  map<string, string> map_field = 1;
}

// Verifying conversion from RepeatedFields to Maps for scalar, bytes.
message FakeScalarBytesMapFieldEntry {
  int32 key = 1;
  bytes value = 2;
}

message FakeScalarBytesMap {
  repeated FakeScalarBytesMapFieldEntry map_field = 1;
}

message RealScalarBytesMap {
  map<int32, bytes> map_field = 1;
}

// Verifying conversion from RepeatedFields to Maps for scalar, msg.
message RandomMessage {
  string foo = 1;
}

message FakeScalarMsgMapFieldEntry {
  int32 key = 1;
  RandomMessage value = 2;
}

message FakeScalarMsgMap {
  repeated FakeScalarMsgMapFieldEntry map_field = 1;
}

message RealScalarMsgMap {
  map<int32, RandomMessage> map_field = 1;
}

// Verifying conversion from RepeatedFields to Maps for scalar, enum.
// Specifically making sure the default value is used when the value is
// missing.
message FakeScalarEnumMapFieldEntry {
  int32 key = 1;
  MapMsg.Color value = 2;
}

message FakeScalarEnumMap {
  repeated FakeScalarEnumMapFieldEntry map_field = 1;
}

message RealScalarEnumMap {
  map<int32, MapMsg.Color> map_field = 1;
}

message RealStringBytesMap {
  map<string, bytes> map_field = 1;
}