1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_TOOLS_PROTO_MERGER_ALLOWLIST_H_ 18 #define SRC_TOOLS_PROTO_MERGER_ALLOWLIST_H_ 19 20 #include <map> 21 #include <set> 22 #include <string> 23 #include <vector> 24 25 #include "perfetto/base/status.h" 26 27 // We include this intentionally instead of forward declaring to allow 28 // for an easy find/replace transformation when moving to Google3. 29 #include <google/protobuf/descriptor.h> 30 31 namespace perfetto { 32 namespace proto_merger { 33 34 // Represents an allow-list for proto messages, fields and enums. 35 struct Allowlist { 36 using Oneof = std::set<int>; 37 struct Message { 38 std::set<std::string> enums; 39 std::map<std::string, Oneof> oneofs; 40 std::set<int> fields; 41 42 // Needs to be a std::map as std::unordered_map causes complaints about 43 // self-referentiality from GCC. 44 std::map<std::string, Message> nested_messages; 45 }; 46 std::map<std::string, Message> messages; 47 std::set<std::string> enums; 48 }; 49 50 // Creates a Allowlist struct from a list of allowed fields rooted at the given 51 // descriptor. 52 base::Status AllowlistFromFieldList( 53 const google::protobuf::Descriptor&, 54 const std::vector<std::string>& allowed_fields, 55 Allowlist& allowlist); 56 57 } // namespace proto_merger 58 } // namespace perfetto 59 60 #endif // SRC_TOOLS_PROTO_MERGER_ALLOWLIST_H_ 61