// Copyright 2019 The MediaPipe Authors.
//
// 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.

syntax = "proto2";

package mediapipe;

import "mediapipe/framework/calculator.proto";

// A Range {begin, end} specifies beginning ane ending indices to splice a
// vector. A vector v is spliced to have elements v[begin:(end-1)], i.e., with
// begin index inclusive and end index exclusive.
message Range {
  optional int32 begin = 1;
  optional int32 end = 2;
}

message SplitVectorCalculatorOptions {
  extend mediapipe.CalculatorOptions {
    optional SplitVectorCalculatorOptions ext = 259438222;
  }

  repeated Range ranges = 1;

  // Specify if single element ranges should be outputted as std::vector<T> or
  // just element of type T. By default, if a range specifies only one element,
  // it is outputted as an std::vector<T>.
  optional bool element_only = 2 [default = false];

  // Combines output elements to one vector.
  optional bool combine_outputs = 3 [default = false];
}
