Keep only base/extractor.[cc|h].

mi_exe_stub/tar.h

-// Copyright 2006-2009 Google Inc.
-//
-// Licensed 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.
-// ========================================================================
-
-
-#ifndef OMAHA_MI_EXE_STUB_TAR_H_
-#define OMAHA_MI_EXE_STUB_TAR_H_
-
-#include <tchar.h>
-#include <atlsimpcoll.h>
-#include <atlstr.h>
-#include <windows.h>
-
-namespace omaha {
-
-static const int kNameSize = 100;
-
-typedef struct {
-  char name[kNameSize];
-  char mode[8];
-  char uid[8];
-  char gid[8];
-  char size[12];
-  char mtime[12];
-  char chksum[8];
-  char typeflag;
-  char linkname[kNameSize];
-  char magic[6];
-  char version[2];
-  char uname[32];
-  char gname[32];
-  char devmajor[8];
-  char devminor[8];
-  char prefix[155];
-  char dummy[12];  // make it exactly 512 bytes
-} USTARHeader;
-
-// Supports untarring of files from a tar-format archive. Pretty minimal;
-// doesn't work with everything in the USTAR format.
-class Tar {
- public:
-  Tar(const CString& target_dir, HANDLE file_handle, bool delete_when_done);
-  ~Tar();
-
-  typedef void (*TarFileCallback)(void* context, const TCHAR* filename);
-
-  void SetCallback(TarFileCallback callback, void* callback_context) {
-    callback_ = callback;
-    callback_context_ = callback_context;
-  }
-
-  // Extracts all files in archive to directory specified in constructor.
-  // Directory must exist. Returns true if successful.
-  bool ExtractToDir();
-
- private:
-  HANDLE file_handle_;
-  CString target_directory_name_;
-  bool delete_when_done_;
-  CSimpleArray<CString> files_to_delete_;
-  TarFileCallback callback_;
-  void* callback_context_;
-
-  bool ExtractOneFile(bool* done);
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_MI_EXE_STUB_TAR_H_