| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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 |
| * |
| * http://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. |
| */ |
| |
| #include "common/file-utils.h" |
| |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| |
| #include <fstream> |
| #include <memory> |
| #include <string> |
| |
| #include "util/base/logging.h" |
| |
| namespace libtextclassifier { |
| namespace nlp_core { |
| |
| namespace file_utils { |
| |
| bool GetFileContent(const std::string &filename, std::string *content) { |
| std::ifstream input_stream(filename, std::ifstream::binary); |
| if (input_stream.fail()) { |
| TC_LOG(INFO) << "Error opening " << filename; |
| return false; |
| } |
| |
| content->assign( |
| std::istreambuf_iterator<char>(input_stream), |
| std::istreambuf_iterator<char>()); |
| |
| if (input_stream.fail()) { |
| TC_LOG(ERROR) << "Error reading " << filename; |
| return false; |
| } |
| |
| TC_LOG(INFO) << "Successfully read " << filename; |
| return true; |
| } |
| |
| bool FileExists(const std::string &filename) { |
| struct stat s = {0}; |
| if (!stat(filename.c_str(), &s)) { |
| return s.st_mode & S_IFREG; |
| } else { |
| return false; |
| } |
| } |
| |
| bool DirectoryExists(const std::string &dirpath) { |
| struct stat s = {0}; |
| if (!stat(dirpath.c_str(), &s)) { |
| return s.st_mode & S_IFDIR; |
| } else { |
| return false; |
| } |
| } |
| |
| } // namespace file_utils |
| |
| } // namespace nlp_core |
| } // namespace libtextclassifier |