pw_protobuf/pw_protobuf_protos/field_options.proto

// Copyright 2022 The Pigweed 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
//
//     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.
syntax = "proto3";

import "google/protobuf/descriptor.proto";

package pw.protobuf;

// Options supported for inline usage in .proto files.
//
// These options are for use when there are true limitations intended to be part
// of the protocol specification and are not specific to any particular protobuf
// code generator.
message FieldOptions {
  // Maximum number of entries for repeated fields.
  optional int32 max_count = 1;

  // Maximum size for bytes and string fields (excludes null terminator).
  optional int32 max_size = 2;
}

extend google.protobuf.FieldOptions {
  // Extension 1155 is reserved upstream for PW protobuf compiler.
  // https://github.com/protocolbuffers/protobuf/blob/main/docs/options.md
  optional FieldOptions pwpb = 1155;
}