00001 /* 00002 * Copyright 2018 The Cartographer Authors 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #include "cartographer/io/internal/in_memory_proto_stream.h" 00018 00019 #include "glog/logging.h" 00020 00021 namespace cartographer { 00022 namespace io { 00023 00024 void ForwardingProtoStreamWriter::WriteProto( 00025 const google::protobuf::Message& proto) { 00026 CHECK(writer_callback_(&proto)); 00027 } 00028 00029 bool ForwardingProtoStreamWriter::Close() { return writer_callback_(nullptr); } 00030 00031 bool InMemoryProtoStreamReader::ReadProto(google::protobuf::Message* proto) { 00032 if (eof()) return false; 00033 proto->CopyFrom(*state_chunks_.front()); 00034 state_chunks_.pop(); 00035 return true; 00036 } 00037 00038 } // namespace io 00039 } // namespace cartographer