file_version_info_win.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// This is a partial implementation of Chromium's source file

// base/file_version_info_win.h.

#ifndef BASE_FILE_VERSION_INFO_WIN_H_

#define BASE_FILE_VERSION_INFO_WIN_H_

#include <memory>

#include <vector>

#include "base/version.h"

#include "mozilla/Assertions.h"

struct tagVS_FIXEDFILEINFO;

typedef tagVS_FIXEDFILEINFO VS_FIXEDFILEINFO;

namespace base {

class FilePath;

class FileVersionInfoWin {

 public:

  FileVersionInfoWin(const FileVersionInfoWin&) = delete;

  FileVersionInfoWin& operator=(const FileVersionInfoWin&) = delete;

  static std::unique_ptr<FileVersionInfoWin> CreateFileVersionInfoWin(

      const base::FilePath& file_path);

  // Get file version number in dotted version format.

  base::Version GetFileVersion() const;

 private:

  // |data| is a VS_VERSION_INFO resource. |language| and |code_page| are

  // extracted from the \VarFileInfo\Translation value of |data|.

  FileVersionInfoWin(std::vector<uint8_t>&& data,

                     WORD language,

                     WORD code_page);

  const std::vector<uint8_t> owned_data_;

  const void* const data_;

  const WORD language_;

  const WORD code_page_;

  // This is a reference for a portion of |data_|.

  const VS_FIXEDFILEINFO& fixed_file_info_;

};

#endif  // BASE_FILE_VERSION_INFO_WIN_H_