| // Copyright 2025 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TOOLS_ANDROID_DEVIL_UTIL_CRC32_HASHER_H_ |
| #define TOOLS_ANDROID_DEVIL_UTIL_CRC32_HASHER_H_ |
| |
| #include <cstdint> |
| #include <optional> |
| #include <string> |
| #include <string_view> |
| #include <vector> |
| |
| inline constexpr std::string_view kFilePathDelimiter = ":"; |
| |
| class Crc32Hasher { |
| public: |
| Crc32Hasher(); |
| ~Crc32Hasher(); |
| |
| // Given a list of kFilePathDelimiter-separated file paths, return the file |
| // paths as a vector. |
| std::vector<std::string> ParseFileList(const std::string& combined_paths); |
| // If there is no file at the given path, return std::nullopt. |
| // Otherwise, return the checksum obtained by hashing the file at that path. |
| std::optional<uint32_t> HashFile(const std::string& path); |
| }; |
| |
| #endif // TOOLS_ANDROID_DEVIL_UTIL_CRC32_HASHER_H_ |
