00001 /* 00002 * Copyright 2016 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/file_writer.h" 00018 00019 namespace cartographer { 00020 namespace io { 00021 00022 StreamFileWriter::StreamFileWriter(const std::string& filename) 00023 : filename_(filename), out_(filename, std::ios::out | std::ios::binary) {} 00024 00025 StreamFileWriter::~StreamFileWriter() {} 00026 00027 bool StreamFileWriter::Write(const char* const data, const size_t len) { 00028 if (out_.bad()) { 00029 return false; 00030 } 00031 out_.write(data, len); 00032 return !out_.bad(); 00033 } 00034 00035 bool StreamFileWriter::Close() { 00036 if (out_.bad()) { 00037 return false; 00038 } 00039 out_.close(); 00040 return !out_.bad(); 00041 } 00042 00043 bool StreamFileWriter::WriteHeader(const char* const data, const size_t len) { 00044 if (out_.bad()) { 00045 return false; 00046 } 00047 out_.flush(); 00048 out_.seekp(0); 00049 return Write(data, len); 00050 } 00051 00052 std::string StreamFileWriter::GetFilename() { return filename_; } 00053 00054 } // namespace io 00055 } // namespace cartographer