// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test Protobuf definitions with proto2 syntax.
syntax = "proto2";

package pb2;
option go_package = "github.com/golang/protobuf/v2/encoding/testprotos/pb2";

import "google/protobuf/any.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";
import "google/protobuf/wrappers.proto";

// Scalars contains optional scalar fields.
message Scalars {
  optional bool opt_bool = 1;
  optional int32 opt_int32 = 2;
  optional int64 opt_int64 = 3;
  optional uint32 opt_uint32 = 4;
  optional uint64 opt_uint64 = 5;
  optional sint32 opt_sint32 = 6;
  optional sint64 opt_sint64 = 7;
  optional fixed32 opt_fixed32 = 8;
  optional fixed64 opt_fixed64 = 9;
  optional sfixed32 opt_sfixed32 = 10;
  optional sfixed64 opt_sfixed64 = 11;

  // Textproto marshal outputs fields in the same order as this proto
  // definition regardless of field number. Following fields are intended to
  // test that assumption.

  optional float opt_float = 20;
  optional double opt_double = 21;

  optional bytes opt_bytes = 14;
  optional string opt_string = 13;
}

enum Enum {
  ONE = 1;
  TWO = 2;
  TEN = 10;
}

// Message contains enum fields.
message Enums {
  optional Enum opt_enum = 1;
  repeated Enum rpt_enum = 2;

  enum NestedEnum {
	UNO = 1;
	DOS = 2;
	DIEZ = 10;
  }
  optional NestedEnum opt_nested_enum = 3;
  repeated NestedEnum rpt_nested_enum = 4;
}

// Message contains repeated fields.
message Repeats {
  repeated bool rpt_bool = 1;
  repeated int32 rpt_int32 = 2;
  repeated int64 rpt_int64 = 3;
  repeated uint32 rpt_uint32 = 4;
  repeated uint64 rpt_uint64 = 5;
  repeated float rpt_float = 6;
  repeated double rpt_double = 7;
  repeated string rpt_string = 8;
  repeated bytes rpt_bytes = 9;
}

// Message type used as submessage.
message Nested {
  optional string opt_string = 1;
  optional Nested opt_nested = 2;
}

// Message contains message and group fields.
message Nests {
  optional Nested opt_nested = 1;
  optional group OptGroup = 2 {
    optional string opt_string = 1;
    optional Nested opt_nested = 2;

    optional group OptNestedGroup = 3 {
      optional fixed32 opt_fixed32 = 1;
    }
  }

  repeated Nested rpt_nested = 4;
  repeated group RptGroup = 5 {
    repeated string rpt_string = 1;
  }

  reserved "reserved_field";
}

// Message contains required fields.
message Requireds {
  required bool req_bool = 1;
  required sfixed64 req_sfixed64 = 2;
  required double req_double = 3;
  required string req_string = 4;
  required Enum req_enum = 5;
  required Nested req_nested = 6;
}

// Message contains both required and optional fields.
message PartialRequired {
  required string req_string = 1;
  optional string opt_string = 2;
}

// Following messages are for testing required field nested in optional, repeated and map fields.

message NestedWithRequired {
  required string req_string = 1;
}

message IndirectRequired {
  optional NestedWithRequired opt_nested = 1;
  repeated NestedWithRequired rpt_nested = 2;
  map<string, NestedWithRequired> str_to_nested = 3;

  oneof union {
    NestedWithRequired oneof_nested = 4;
  }
}

// Following messages are for testing extensions.

message Extensions {
  optional string opt_string = 1;
  extensions 20 to 100;
  optional bool opt_bool = 101;
  optional int32 opt_int32 = 2;
}

extend Extensions {
  optional bool opt_ext_bool = 21;
  optional string opt_ext_string = 22;
  optional Enum opt_ext_enum = 23;
  optional Nested opt_ext_nested = 24;

  repeated fixed32 rpt_ext_fixed32 = 31;
  repeated Enum rpt_ext_enum = 32;
  repeated Nested rpt_ext_nested = 33;
}

message ExtensionsContainer {
  extend Extensions {
    optional bool opt_ext_bool = 51;
    optional string opt_ext_string = 52;
    optional Enum opt_ext_enum = 53;
    optional Nested opt_ext_nested = 54;

    repeated string rpt_ext_string = 61;
    repeated Enum rpt_ext_enum = 62;
    repeated Nested rpt_ext_nested = 63;
  }
}

// Following messages are for testing MessageSet.

message MessageSet {
  option message_set_wire_format = true;

  extensions 4 to max;
}

message MessageSetExtension {
  optional string opt_string = 1;

  extend MessageSet {
    optional MessageSetExtension message_set_extension = 10;
    optional MessageSetExtension not_message_set_extension = 20;
    optional Nested ext_nested = 30;
  }
}

message FakeMessageSet {
  extensions 4 to max;
}

message FakeMessageSetExtension {
  optional string opt_string = 1;

  extend FakeMessageSet {
    optional FakeMessageSetExtension message_set_extension = 10;
  }
}

extend MessageSet {
  optional FakeMessageSetExtension message_set_extension = 50;
}

// Message contains well-known type fields.
message KnownTypes {
  optional google.protobuf.BoolValue opt_bool = 1;
  optional google.protobuf.Int32Value opt_int32 = 2;
  optional google.protobuf.Int64Value opt_int64 = 3;
  optional google.protobuf.UInt32Value opt_uint32 = 4;
  optional google.protobuf.UInt64Value opt_uint64 = 5;
  optional google.protobuf.FloatValue opt_float = 6;
  optional google.protobuf.DoubleValue opt_double = 7;
  optional google.protobuf.StringValue opt_string = 8;
  optional google.protobuf.BytesValue opt_bytes = 9;

  optional google.protobuf.Duration opt_duration = 20;
  optional google.protobuf.Timestamp opt_timestamp = 21;
  optional google.protobuf.Struct opt_struct = 25;
  optional google.protobuf.ListValue opt_list = 26;
  optional google.protobuf.Value opt_value = 27;
  optional google.protobuf.Empty opt_empty = 30;
  optional google.protobuf.Any opt_any = 32;
}