nsMsgCompressIStream.h

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/* 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/. */

#include "msgCore.h"

#include "nsIAsyncInputStream.h"

#include "nsIInputStream.h"

#include "nsCOMPtr.h"

#include "mozilla/UniquePtr.h"

#include "zlib.h"

class nsMsgCompressIStream final : public nsIAsyncInputStream {

 public:

  nsMsgCompressIStream();

  NS_DECL_THREADSAFE_ISUPPORTS

  NS_DECL_NSIINPUTSTREAM

  NS_DECL_NSIASYNCINPUTSTREAM

  nsresult InitInputStream(nsIInputStream* rawStream);

 protected:

  ~nsMsgCompressIStream();

  nsresult DoInflation();

  nsCOMPtr<nsIInputStream> m_iStream;

  mozilla::UniquePtr<char[]> m_zbuf;

  mozilla::UniquePtr<char[]> m_databuf;

  char* m_dataptr;

  uint32_t m_dataleft;

  bool m_inflateAgain;

  z_stream m_zstream;

};