1 // Copyright (c) 2009 The Chromium 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 CHROME_INSTALLER_UTIL_LZMA_UTIL_H_ 6 #define CHROME_INSTALLER_UTIL_LZMA_UTIL_H_ 7 8 #include <windows.h> 9 10 #include <set> 11 #include <string> 12 13 #include "base/basictypes.h" 14 15 namespace base { 16 class FilePath; 17 } 18 19 // This is a utility class that acts as a wrapper around LZMA SDK library 20 class LzmaUtil { 21 public: 22 // Utility method that does the job of calling OpenArchive(), UnPack() 23 // and CloseArchive() in order. Returns error code (NO_ERROR if successful). 24 static int32 UnPackArchive(const std::wstring& archive, 25 const std::wstring& output_dir, 26 std::wstring* output_file); 27 28 LzmaUtil(); 29 ~LzmaUtil(); 30 31 DWORD OpenArchive(const std::wstring& archivePath); 32 33 // Unpacks the archive to the given location 34 DWORD UnPack(const std::wstring& location); 35 36 // Unpacks the archive to the given location and returns the last file 37 // extracted from archive. |single_file| is set to true iff only a single 38 // file is extracted from archive. 39 DWORD UnPack(const std::wstring& location, 40 std::wstring* output_file); 41 42 void CloseArchive(); 43 44 protected: 45 bool CreateDirectory(const base::FilePath& dir); 46 47 private: 48 HANDLE archive_handle_; 49 std::set<std::wstring> directories_created_; 50 51 DISALLOW_COPY_AND_ASSIGN(LzmaUtil); 52 }; 53 54 #endif // CHROME_INSTALLER_UTIL_LZMA_UTIL_H_ 55