| // Copyright 2011 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_ |
| #define THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_ |
| |
| #include <string> |
| |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| |
| #if defined(OS_WIN) |
| #include <windows.h> |
| #endif |
| |
| #if defined(USE_SYSTEM_MINIZIP) |
| #include <minizip/unzip.h> |
| #include <minizip/zip.h> |
| #else |
| #include "third_party/zlib/contrib/minizip/unzip.h" |
| #include "third_party/zlib/contrib/minizip/zip.h" |
| #endif |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| // Utility functions and constants used internally for the zip file |
| // library in the directory. Don't use them outside of the library. |
| namespace zip { |
| namespace internal { |
| |
| // Opens the given file name in UTF-8 for unzipping, with some setup for |
| // Windows. |
| unzFile OpenForUnzipping(const std::string& file_name_utf8); |
| |
| #if defined(OS_POSIX) || defined(OS_FUCHSIA) |
| // Opens the file referred to by |zip_fd| for unzipping. |
| unzFile OpenFdForUnzipping(int zip_fd); |
| #endif |
| |
| #if defined(OS_WIN) |
| // Opens the file referred to by |zip_handle| for unzipping. |
| unzFile OpenHandleForUnzipping(HANDLE zip_handle); |
| #endif |
| |
| // Creates a custom unzFile object which reads data from the specified string. |
| // This custom unzFile object overrides the I/O API functions of zlib so it can |
| // read data from the specified string. |
| unzFile PrepareMemoryForUnzipping(const std::string& data); |
| |
| // Opens the given file name in UTF-8 for zipping, with some setup for |
| // Windows. |append_flag| will be passed to zipOpen2(). |
| zipFile OpenForZipping(const std::string& file_name_utf8, int append_flag); |
| |
| #if defined(OS_POSIX) || defined(OS_FUCHSIA) |
| // Opens the file referred to by |zip_fd| for zipping. |append_flag| will be |
| // passed to zipOpen2(). |
| zipFile OpenFdForZipping(int zip_fd, int append_flag); |
| #endif |
| |
| // Compression methods. |
| enum Compression { |
| kStored = 0, // Stored (no compression) |
| kDeflated = Z_DEFLATED, // Deflated |
| }; |
| |
| // Adds a file (or directory) entry to the ZIP archive. |
| bool ZipOpenNewFileInZip(zipFile zip_file, |
| const std::string& str_path, |
| base::Time last_modified_time, |
| Compression compression); |
| |
| // Selects the best compression method for the given file. The heuristic is |
| // based on the filename extension. By default, the compression method is |
| // kDeflated. But if the given path has an extension indicating a well known |
| // file format which is likely to be already compressed (eg ZIP, RAR, JPG, |
| // PNG...) then the compression method is simply kStored. |
| Compression GetCompressionMethod(const base::FilePath& path); |
| |
| const int kZipMaxPath = 256; |
| const int kZipBufSize = 8192; |
| |
| } // namespace internal |
| } // namespace zip |
| |
| #endif // THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_ |