19/flatbuffer/bit-vector.fbs

// Copyright 2020 Google LLC
//
// 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
//
//     https://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 data that is used to represent a BitVector.
namespace libtextclassifier3;
table BitVectorData {
  dense_data:DenseBitVectorData;
  sparse_data:SparseBitVectorData;
}

// A dense representation of a bit vector.
namespace libtextclassifier3;
table DenseBitVectorData {
  // The bits.
  data:[ubyte];

  // Number of bits in this bit vector.
  size:int;
}

// A sparse representation of a bit vector.
namespace libtextclassifier3;
table SparseBitVectorData {
  // A vector of sorted indices of elements that are 1.
  sorted_indices_32:[int];
}