| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 "utility/Glob.hpp" |
| |
| #include "utility/UtilityConfig.h" |
| |
| #if defined(QUICKSTEP_HAVE_GLOB) |
| #include <glob.h> |
| #elif defined(QUICKSTEP_HAVE_WINDOWS) |
| #define WIN32_LEAN_AND_MEAN |
| #include <windows.h> |
| #endif |
| |
| #include <cstddef> |
| #include <functional> |
| #include <string> |
| #include <vector> |
| |
| #include "glog/logging.h" |
| |
| namespace quickstep { |
| namespace utility { |
| namespace file { |
| |
| std::size_t GlobForEach(const std::string &pattern, |
| std::function<void(const char *)> functor) { |
| #if defined(QUICKSTEP_HAVE_GLOB) |
| glob_t glob_result; |
| |
| const int ret = glob(pattern.c_str(), 0, nullptr, &glob_result); |
| std::size_t num_matches = 0; |
| if (ret == GLOB_ABORTED) { |
| LOG(ERROR) << "An error occurred during glob."; |
| } else if (ret == GLOB_NOMATCH) { |
| LOG(WARNING) << "Glob function made zero matches."; |
| } else if (ret == GLOB_NOSPACE) { |
| LOG(ERROR) << "Glob function failed to allocate memory."; |
| } else { |
| // There should be no errors at this point. |
| DCHECK_EQ(ret, 0); |
| num_matches = glob_result.gl_pathc; |
| } |
| |
| for (std::size_t i = 0; i < num_matches; ++i) { |
| functor(glob_result.gl_pathv[i]); |
| } |
| |
| globfree(&glob_result); |
| return num_matches; |
| |
| #elif defined(QUICKSTEP_HAVE_WINDOWS) |
| std::size_t num_matches = 0; |
| WIN32_FIND_DATA find_data; |
| HANDLE find_handle = INVALID_HANDLE_VALUE; |
| DWORD error_code = 0; |
| |
| find_handle = FindFirstFile(pattern.c_str(), &find_data); |
| if (find_handle == INVALID_HANDLE_VALUE) { |
| error_code = GetLastError(); |
| if (error_code != ERROR_FILE_NOT_FOUND) { |
| LOG(ERROR) << "Failed to retrieve blockfiles with error_code: " << error_code; |
| } |
| return 0; |
| } |
| |
| do { |
| functor(find_data.cFileName); |
| ++num_matches; |
| } while (FindNextFile(find_handle, &find_data) != 0); |
| |
| error_code = GetLastError(); |
| if (error_code != ERROR_NO_MORE_FILES) { |
| LOG(ERROR) << "Failed to FindNextFile with error_code: " << error_code; |
| } |
| |
| if (FindClose(find_handle) == 0) { |
| LOG(ERROR) << "Failed to close the file with error_code: " << GetLastError(); |
| } |
| |
| return num_matches; |
| |
| #else |
| #error "No implementation for Glob in this platform." |
| #endif |
| } |
| |
| std::vector<std::string> GlobExpand(const std::string &pattern) { |
| std::vector<std::string> matches; |
| GlobForEach(pattern, [&matches](const char *path) { |
| matches.emplace_back(path); |
| }); |
| return matches; |
| } |
| |
| } // namespace file |
| } // namespace utility |
| } // namespace quickstep |