1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "NativeFileSystem.h" 17 #include <dirent.h> 18 #include <sys/stat.h> 19 #include "PreviewerEngineLog.h" 20 21 namespace OHOS::Ide { FindSubfolderByName(const std::string & parentFolderPath,const std::string & subfolderName)22std::string NativeFileSystem::FindSubfolderByName(const std::string& parentFolderPath, 23 const std::string& subfolderName) 24 { 25 DIR* dir = opendir(parentFolderPath.c_str()); 26 if (dir == nullptr) { 27 ELOG("failed to open directory:%s.", parentFolderPath.c_str()); 28 return ""; 29 } 30 struct dirent* dirEntry; 31 while ((dirEntry = readdir(dir)) != nullptr) { 32 struct stat entryStat; 33 std::string filePath = parentFolderPath + "/" + dirEntry->d_name; 34 if (stat(filePath.c_str(), &entryStat) != -1 && S_ISDIR(entryStat.st_mode)) { 35 std::string dirName(dirEntry->d_name); 36 if (dirName.find(subfolderName) == 0) { 37 closedir(dir); 38 return filePath; 39 } 40 } 41 } 42 closedir(dir); 43 return ""; 44 } 45 }