projects/jsoncpp/json.proto

// Copyright 2020 Google Inc.
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////

// The proto definition for JSON format has been written based on
// http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf

syntax = "proto2";

package json_proto;

message JsonParseAPI {
  required int32 settings = 1;
  required JsonObject object_value = 2;
}

message JsonObject {
  required int32 settings = 1;
  required string name = 2;
  required JsonValue value = 3;
}

message JsonValue {
  oneof value {
    // Json value types:

    // null: null, will be used when 'oneof' contains nothing

    // object: another json object of any type
    JsonObject object_value = 1;

    // array: an array of values
    ArrayValue array_value = 2;

    // number: can be an integer, a float, an exponent
    NumberValue number_value = 3;

    // string: unicode string
    StringValue string_value = 4;

    // boolean: true or talse
    BooleanValue boolean_value = 5;
  }
}

message ArrayValue {
  repeated JsonValue value = 1;
}

message NumberInteger {
  required int64 value = 1;
}

message NumberFloat {
  required double value = 1;
}

message NumberExponent {
  required int32 base = 1;
  required int32 exponent = 2;
  required bool use_uppercase = 3;
}

message NumberExponentFrac {
  required float base = 1;
  required int32 exponent = 2;
  required bool use_uppercase = 3;
}

message NumberValue {
  required NumberInteger integer_value = 1;

  // integer_value is used when oneof field below has nothing.
  oneof value {
    NumberFloat float_value = 2;
    NumberExponent exponent_value = 3;
    NumberExponentFrac exponent_frac_value = 4;
  }
}

message StringValue {
  required string value = 1;
}

message BooleanValue {
  required bool value = 1;
}