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| 1 // Copyright 2017 The Chromium OS Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef COMPRESSOR_ARCHIVE_LIBARCHIVE_H_ | |
| 6 #define COMPRESSOR_ARCHIVE_LIBARCHIVE_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "archive.h" | |
| 11 | |
| 12 #include "compressor_archive.h" | |
| 13 #include "compressor_stream.h" | |
| 14 | |
| 15 // A namespace with constants used by CompressorArchiveLibarchive. | |
| 16 namespace compressor_archive_constants { | |
| 17 const int64_t kMaximumDataChunkSize = 512 * 1024; | |
| 18 const int kFilePermission = 640; | |
| 19 const int kDirectoryPermission = 760; | |
| 20 } // namespace compressor_archive_constants | |
| 21 | |
| 22 class CompressorArchiveLibarchive : public CompressorArchive { | |
| 23 public: | |
| 24 explicit CompressorArchiveLibarchive(CompressorStream* compressor_stream); | |
| 25 | |
| 26 virtual ~CompressorArchiveLibarchive(); | |
| 27 | |
| 28 // Creates an archive object. | |
| 29 virtual void CreateArchive(); | |
| 30 | |
| 31 // Releases all resources obtained by libarchive. | |
| 32 virtual void CloseArchive(bool has_error); | |
| 33 | |
| 34 // Adds an entry to the archive. | |
| 35 virtual void AddToArchive(const std::string& filename, | |
| 36 int64_t file_size, | |
| 37 time_t modification_time, | |
| 38 bool is_directory); | |
| 39 | |
| 40 // A getter function for archive_. | |
| 41 struct archive* archive() const { return archive_; } | |
| 42 | |
| 43 // A getter function for compressor_stream. | |
| 44 CompressorStream* compressor_stream() const { return compressor_stream_; } | |
| 45 | |
| 46 private: | |
| 47 // An instance that takes care of all IO operations. | |
| 48 CompressorStream* compressor_stream_; | |
| 49 | |
| 50 // The libarchive correspondent archive object. | |
| 51 struct archive* archive_; | |
| 52 | |
| 53 // The libarchive correspondent archive entry object that is currently | |
| 54 // processed. | |
| 55 struct archive_entry* entry; | |
| 56 | |
| 57 // The buffer used to store the data read from JavaScript. | |
| 58 char* destination_buffer_; | |
| 59 }; | |
| 60 | |
| 61 #endif // COMPRESSOR_ARCHIVE_LIBARCHIVE_H_ | |
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