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

/*

 * This file is part of the libabw project.

 *

 * 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 __ABWZLIBSTREAM_H__

#define __ABWZLIBSTREAM_H__

#include <vector>

#include <librevenge-stream/librevenge-stream.h>

namespace libabw

{

class ABWZlibStream : public librevenge::RVNGInputStream

{

public:

  ABWZlibStream(librevenge::RVNGInputStream *input);

  ~ABWZlibStream() override {}

  bool isStructured() override

  {

    return false;

  }

  unsigned subStreamCount() override

  {

    return 0;

  }

  const char *subStreamName(unsigned) override

  {

    return nullptr;

  }

  bool existsSubStream(const char *) override

  {

    return false;

  }

  librevenge::RVNGInputStream *getSubStreamByName(const char *) override

  {

    return nullptr;

  }

  librevenge::RVNGInputStream *getSubStreamById(unsigned) override

  {

    return nullptr;

  }

  const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead) override;

  int seek(long offset, librevenge::RVNG_SEEK_TYPE seekType) override;

  long tell() override;

  bool isEnd() override;

  unsigned long getSize() const

  {

    return m_buffer.size();

  }

private:

  librevenge::RVNGInputStream *m_input;

  volatile long m_offset;

  std::vector<unsigned char> m_buffer;

  ABWZlibStream(const ABWZlibStream &);

  ABWZlibStream &operator=(const ABWZlibStream &);

};

} // namespace libabw

#endif // __ABWZLIBSTREAM_H__

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