// Protocol Buffers - Google's data interchange format
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// https://developers.google.com/protocol-buffers/
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// Author: sven@google.com (Sven Mawson)
//
// Sample protos for testing.
syntax = "proto2";

package google.protobuf.testing;

// A book
message Book {
  optional string title = 1;
  optional Author author = 2;
  optional uint32 length = 3;
  optional int64 published = 4;
  optional bytes content = 5;

  optional group Data = 6 {
    optional uint32 year = 7;
    optional string copyright = 8;
  }

  message Label {
    optional string key = 1;
    optional string value = 2;
  }

  optional Publisher publisher = 9;
  repeated Label labels = 10;

  enum Type {
    FICTION = 1;
    KIDS = 2;
    ACTION_AND_ADVENTURE = 3;
  }
  optional Type type = 11;

  extensions 200 to 499;
}

// A publisher of a book, tests required fields.
message Publisher {
  required string name = 1;
}

// An author of a book
message Author {
  optional uint64 id = 1 [json_name = "@id"];
  optional string name = 2;
  repeated string pseudonym = 3;
  optional bool alive = 4;
  repeated Author friend = 5;
}

// For testing resiliency of our protostream parser.
// Field numbers of Author are reused for something else.
message BadAuthor {
  optional string id = 1;  // non-length-delimited to length-delimited.
  repeated uint64 name = 2;  // string to repeated (both length-delimited).
  optional string pseudonym = 3;  // Repeated to optional.
  repeated bool alive = 4 [packed=true];  // Optional to repeated.
}

// All primitive types
message Primitive {
  // 32 bit numbers:
  optional fixed32 fix32 = 1;
  optional uint32 u32 = 2;
  optional int32 i32 = 3;
  optional sfixed32 sf32 = 4;
  optional sint32 s32 = 5;

  // 64 bit numbers:
  optional fixed64 fix64 = 6;
  optional uint64 u64 = 7;
  optional int64 i64 = 8;
  optional sfixed64 sf64 = 9;
  optional sint64 s64 = 10;

  // The other stuff.
  optional string str = 11;
  optional bytes bytes = 12;
  optional float float = 13;
  optional double double = 14;
  optional bool bool = 15;

  // repeated 32 bit numbers:
  repeated fixed32 rep_fix32 = 16;
  repeated uint32 rep_u32 = 17;
  repeated int32 rep_i32 = 18;
  repeated sfixed32 rep_sf32 = 19;
  repeated sint32 rep_s32 = 20;

  // repeated 64 bit numbers:
  repeated fixed64 rep_fix64 = 21;
  repeated uint64 rep_u64 = 22;
  repeated int64 rep_i64 = 23;
  repeated sfixed64 rep_sf64 = 24;
  repeated sint64 rep_s64 = 25;

  // repeated other stuff:
  repeated string rep_str = 26;
  repeated bytes rep_bytes = 27;
  repeated float rep_float = 28;
  repeated double rep_double = 29;
  repeated bool rep_bool = 30;
}

// Test packed versions of all repeated primitives.
// The field numbers should match their non-packed version in Primitive message.
message PackedPrimitive {
  // repeated 32 bit numbers:
  repeated fixed32 rep_fix32 = 16 [packed=true];
  repeated uint32 rep_u32 = 17 [packed=true];
  repeated int32 rep_i32 = 18 [packed=true];
  repeated sfixed32 rep_sf32 = 19 [packed=true];
  repeated sint32 rep_s32 = 20 [packed=true];

  // repeated 64 bit numbers:
  repeated fixed64 rep_fix64 = 21 [packed=true];
  repeated uint64 rep_u64 = 22 [packed=true];
  repeated int64 rep_i64 = 23 [packed=true];
  repeated sfixed64 rep_sf64 = 24 [packed=true];
  repeated sint64 rep_s64 = 25 [packed=true];

  // repeated other stuff:
  repeated float rep_float = 28 [packed=true];
  repeated double rep_double = 29 [packed=true];
  repeated bool rep_bool = 30 [packed=true];
}

// Test extensions.
extend Book {
  repeated Author more_author = 201;
}

// Test nested extensions.
message NestedBook {
  extend Book {
    optional NestedBook another_book = 301;
  }
  // Recurse
  optional Book book = 1;
}

// For testing resiliency of our protostream parser.
// Field number of NestedBook is reused for something else.
message BadNestedBook {
  repeated uint32 book = 1 [packed=true];  // Packed to optional message.
}

// A recursively defined message.
message Cyclic {
  optional int32 m_int = 1;
  optional string m_str = 2;
  optional Book m_book = 3;
  repeated Author m_author = 5;
  optional Cyclic m_cyclic = 4;
}