// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// modification, are permitted provided that the following conditions are
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// Author: benjy@google.com (Benjy Weinberger)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.
//
// A proto file used to test the "custom options" feature of google.protobuf.

// This file is based on unittest_custom_options.proto in
// src/google/protobuf, but is modified for proto3. It could
// potentially be moved into src/google/protobuf, but currently C#
// is the only language that really needs it, as we don't support
// proto2 syntax. It's cut down significantly as proto3 only supports
// extensions for options.

syntax = "proto3";

// A custom file option (defined below).
option (file_opt1) = 9876543210;

import "google/protobuf/descriptor.proto";

// We don't put this in a package within proto2 because we need to make sure
// that the generated code doesn't depend on being in the proto2 namespace.
package protobuf_unittest;
option csharp_namespace = "UnitTest.Issues.TestProtos";

// Some simple test custom options of various types.

extend google.protobuf.FileOptions {
  uint64 file_opt1 = 7736974;
}

extend google.protobuf.MessageOptions {
  int32 message_opt1 = 7739036;
}

extend google.protobuf.FieldOptions {
  fixed64 field_opt1 = 7740936;
}

extend google.protobuf.OneofOptions {
  int32 oneof_opt1 = 7740111;
}

extend google.protobuf.EnumOptions {
  sfixed32 enum_opt1 = 7753576;
}

extend google.protobuf.EnumValueOptions {
  int32 enum_value_opt1 = 1560678;
}

extend google.protobuf.ServiceOptions {
  sint64 service_opt1 = 7887650;
}

enum MethodOpt1 {
  METHODOPT1_UNSPECIFIED = 0;
  METHODOPT1_VAL1 = 1;
  METHODOPT1_VAL2 = 2;
}

extend google.protobuf.MethodOptions {
  MethodOpt1 method_opt1 = 7890860;
}

// A test message with custom options at all possible locations (and also some
// regular options, to make sure they interact nicely).
message TestMessageWithCustomOptions {
  option message_set_wire_format = false;
  option (message_opt1) = -56;

  string field1 = 1 [ctype = CORD, (field_opt1) = 8765432109];

  oneof AnOneof {
    option (oneof_opt1) = -99;

    int32 oneof_field = 2;
  }

  enum AnEnum {
    option (enum_opt1) = -789;

    ANENUM_UNSPECIFIED = 0;
    ANENUM_VAL1 = 1;
    ANENUM_VAL2 = 2 [(enum_value_opt1) = 123];
  }
}

// A test RPC service with custom options at all possible locations (and also
// some regular options, to make sure they interact nicely).
message CustomOptionFooRequest {}

message CustomOptionFooResponse {}

message CustomOptionFooClientMessage {}

message CustomOptionFooServerMessage {}

service TestServiceWithCustomOptions {
  option (service_opt1) = -9876543210;

  rpc Foo(CustomOptionFooRequest) returns (CustomOptionFooResponse) {
    option (method_opt1) = METHODOPT1_VAL2;
  }
}

// Options of every possible field type, so we can test them all exhaustively.

message DummyMessageContainingEnum {
  enum TestEnumType {
    TEST_OPTION_ENUM_UNSPECIFIED = 0;
    TEST_OPTION_ENUM_TYPE1 = 22;
    TEST_OPTION_ENUM_TYPE2 = -23;
  }
}

message DummyMessageInvalidAsOptionType {}

extend google.protobuf.MessageOptions {
  bool bool_opt = 7706090;
  int32 int32_opt = 7705709;
  int64 int64_opt = 7705542;
  uint32 uint32_opt = 7704880;
  uint64 uint64_opt = 7702367;
  sint32 sint32_opt = 7701568;
  sint64 sint64_opt = 7700863;
  fixed32 fixed32_opt = 7700307;
  fixed64 fixed64_opt = 7700194;
  sfixed32 sfixed32_opt = 7698645;
  sfixed64 sfixed64_opt = 7685475;
  float float_opt = 7675390;
  double double_opt = 7673293;
  string string_opt = 7673285;
  bytes bytes_opt = 7673238;
  DummyMessageContainingEnum.TestEnumType enum_opt = 7673233;
  DummyMessageInvalidAsOptionType message_type_opt = 7665967;
}

message CustomOptionMinIntegerValues {
  option (bool_opt) = false;
  option (int32_opt) = -0x80000000;
  option (int64_opt) = -0x8000000000000000;
  option (uint32_opt) = 0;
  option (uint64_opt) = 0;
  option (sint32_opt) = -0x80000000;
  option (sint64_opt) = -0x8000000000000000;
  option (fixed32_opt) = 0;
  option (fixed64_opt) = 0;
  option (sfixed32_opt) = -0x80000000;
  option (sfixed64_opt) = -0x8000000000000000;
}

message CustomOptionMaxIntegerValues {
  option (bool_opt) = true;
  option (int32_opt) = 0x7FFFFFFF;
  option (int64_opt) = 0x7FFFFFFFFFFFFFFF;
  option (uint32_opt) = 0xFFFFFFFF;
  option (uint64_opt) = 0xFFFFFFFFFFFFFFFF;
  option (sint32_opt) = 0x7FFFFFFF;
  option (sint64_opt) = 0x7FFFFFFFFFFFFFFF;
  option (fixed32_opt) = 0xFFFFFFFF;
  option (fixed64_opt) = 0xFFFFFFFFFFFFFFFF;
  option (sfixed32_opt) = 0x7FFFFFFF;
  option (sfixed64_opt) = 0x7FFFFFFFFFFFFFFF;
}

message CustomOptionOtherValues {
  option (int32_opt) = -100;  // To test sign-extension.
  option (float_opt) = 12.3456789;
  option (double_opt) = 1.234567890123456789;
  option (string_opt) = "Hello, \"World\"";
  option (bytes_opt) = "Hello\0World";
  option (enum_opt) = TEST_OPTION_ENUM_TYPE2;
}

message SettingRealsFromPositiveInts {
  option (float_opt) = 12;
  option (double_opt) = 154;
}

message SettingRealsFromNegativeInts {
  option (float_opt) = -12;
  option (double_opt) = -154;
}

// Options of complex message types, themselves combined and extended in
// various ways.

message ComplexOptionType1 {
  int32 foo = 1;
  int32 foo2 = 2;
  int32 foo3 = 3;
  repeated int32 foo4 = 4;
}

message ComplexOptionType2 {
  ComplexOptionType1 bar = 1;
  int32 baz = 2;

  message ComplexOptionType4 {
    int32 waldo = 1;

    extend google.protobuf.MessageOptions {
      ComplexOptionType4 complex_opt4 = 7633546;
    }
  }

  ComplexOptionType4 fred = 3;
  repeated ComplexOptionType4 barney = 4;
}

message ComplexOptionType3 {
  int32 qux = 1;
}

extend google.protobuf.MessageOptions {
  protobuf_unittest.ComplexOptionType1 complex_opt1 = 7646756;
  ComplexOptionType2 complex_opt2 = 7636949;
  ComplexOptionType3 complex_opt3 = 7636463;
}

// Note that we try various different ways of naming the same extension.
message VariousComplexOptions {
  option (.protobuf_unittest.complex_opt1).foo = 42;
  option (protobuf_unittest.complex_opt1).foo4 = 99;
  option (protobuf_unittest.complex_opt1).foo4 = 88;
  option (complex_opt2).baz = 987;
  option (complex_opt2).bar.foo = 743;
  option (ComplexOptionType2.ComplexOptionType4.complex_opt4).waldo = 1971;
  option (complex_opt2).fred.waldo = 321;
  option (complex_opt2).barney = {
    waldo: 101
  };
  option (complex_opt2).barney = {
    waldo: 212
  };
  option (protobuf_unittest.complex_opt3).qux = 9;
}

// ------------------------------------------------------
// Definitions for testing aggregate option parsing.
// See descriptor_unittest.cc.

// A helper type used to test aggregate option parsing
message Aggregate {
  int32 i = 1;
  string s = 2;

  // A nested object
  Aggregate sub = 3;
}

// Allow Aggregate to be used as an option at all possible locations
// in the .proto grammar.
extend google.protobuf.FileOptions {
  Aggregate fileopt = 15478479;
}
extend google.protobuf.MessageOptions {
  Aggregate msgopt = 15480088;
}
extend google.protobuf.FieldOptions {
  Aggregate fieldopt = 15481374;
}
extend google.protobuf.EnumOptions {
  Aggregate enumopt = 15483218;
}
extend google.protobuf.EnumValueOptions {
  Aggregate enumvalopt = 15486921;
}
extend google.protobuf.ServiceOptions {
  Aggregate serviceopt = 15497145;
}
extend google.protobuf.MethodOptions {
  Aggregate methodopt = 15512713;
}

// Try using AggregateOption at different points in the proto grammar
option (fileopt) = {
  s: 'FileAnnotation'
  // Also test the handling of comments
  /* of both types */
  i: 100

  sub { s: 'NestedFileAnnotation' }
};

message AggregateMessage {
  option (msgopt) = {
    i: 101
    s: 'MessageAnnotation'
  };

  int32 fieldname = 1 [(fieldopt) = { s: 'FieldAnnotation' }];
}

service AggregateService {
  option (serviceopt) = {
    s: 'ServiceAnnotation'
  };

  rpc Method(AggregateMessage) returns (AggregateMessage) {
    option (methodopt) = {
      s: 'MethodAnnotation'
    };
  }
}

enum AggregateEnum {
  option (enumopt) = {
    s: 'EnumAnnotation'
  };

  UNSPECIFIED = 0;
  VALUE = 1 [(enumvalopt) = { s: 'EnumValueAnnotation' }];
}

// Test custom options for nested type.
message NestedOptionType {
  message NestedMessage {
    option (message_opt1) = 1001;

    int32 nested_field = 1 [(field_opt1) = 1002];
  }
  enum NestedEnum {
    option (enum_opt1) = 1003;

    UNSPECIFIED = 0;
    NESTED_ENUM_VALUE = 1 [(enum_value_opt1) = 1004];
  }
}