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

base/file_store.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.
-// ========================================================================
-//
-// Defines class FileStore
-
-#ifndef OMAHA_COMMON_FILE_STORE_H__
-#define OMAHA_COMMON_FILE_STORE_H__
-
-#include <atlstr.h>
-#include <vector>
-#include "base/basictypes.h"
-
-namespace omaha {
-
-class FileStore {
- public:
-  // Open the store
-  bool Open(const TCHAR* file_path);
-
-  // Close the store
-  bool Close();
-
-  // Clear the store
-  bool Clear();
-
-  // Read a value from the store
-  bool Read(const TCHAR* name, std::vector<byte>* data) const;
-
-  // Write a value to the store
-  bool Write(const TCHAR* name, byte* data, int data_size);
-
-  // Check to see a named value exists in the store
-  bool Exists(const TCHAR* name) const;
-
-  // Remove a value from the store
-  bool Remove(const TCHAR* name);
-
-  // Get the number of values for this store
-  bool GetValueCount(uint32* value_count);
-
-  // Get the value name for the given value name index
-  bool GetValueNameAt(uint32 index, CString* value_name);
-
- private:
-  CString file_path_;      // Full path to the file store
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_COMMON_FILE_STORE_H__