1 /* 2 * Copyright (C) 2018 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 #include "lang_id/common/file/file-utils.h" 18 19 #include <fcntl.h> 20 #include <stdio.h> 21 #include <sys/stat.h> 22 #include <sys/types.h> 23 24 #include <string> 25 26 #include "lang_id/common/lite_base/logging.h" 27 #include "lang_id/common/lite_strings/stringpiece.h" 28 29 namespace libtextclassifier3 { 30 namespace mobile { 31 32 namespace file_utils { 33 GetFileContent(const std::string & filename,std::string * content)34bool GetFileContent(const std::string &filename, std::string *content) { 35 ScopedMmap scoped_mmap(filename); 36 const MmapHandle &handle = scoped_mmap.handle(); 37 if (!handle.ok()) { 38 SAFTM_LOG(ERROR) << "Error opening " << filename; 39 return false; 40 } 41 StringPiece sp = handle.to_stringpiece(); 42 content->assign(sp.data(), sp.size()); 43 return true; 44 } 45 FileExists(const std::string & filename)46bool FileExists(const std::string &filename) { 47 struct stat s = {0}; 48 if (!stat(filename.c_str(), &s)) { 49 return s.st_mode & S_IFREG; 50 } else { 51 return false; 52 } 53 } 54 DirectoryExists(const std::string & dirpath)55bool DirectoryExists(const std::string &dirpath) { 56 struct stat s = {0}; 57 if (!stat(dirpath.c_str(), &s)) { 58 return s.st_mode & S_IFDIR; 59 } else { 60 return false; 61 } 62 } 63 64 } // namespace file_utils 65 66 } // namespace mobile 67 } // namespace nlp_saft 68