archivereader.h - mozsearch

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

/* vim:set ts=2 sw=2 sts=2 et cindent: */

/* 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/. */

#ifndef ArchiveReader_h__

#define ArchiveReader_h__

#include <stdio.h>

#include "mar.h"

#ifdef XP_WIN

#  include <windows.h>

typedef WCHAR NS_tchar;

#else

typedef char NS_tchar;

#endif

// This class provides an API to extract files from an update archive.

class ArchiveReader {

 public:

  ArchiveReader() = default;

  ~ArchiveReader() { Close(); }

  int Open(const NS_tchar* path);

  int VerifySignature();

  int VerifyProductInformation(const char* MARChannelID,

                               const char* appVersion);

  void Close();

  int ExtractFile(const char* item, const NS_tchar* destination);

  int ExtractFileToStream(const char* item, FILE* fp);

 private:

  int ExtractItemToStream(const MarItem* item, FILE* fp);

  MarFile* mArchive = nullptr;

  uint8_t* mInBuf = nullptr;

  uint8_t* mOutBuf = nullptr;

  size_t mInBufSize = 262144;

  size_t mOutBufSize = 262144;

};

#endif  // ArchiveReader_h__