GzipInputStream.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2018.
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// $Maintainer: Timo Sachsenberg $
// $Authors: David Wojnar $
// --------------------------------------------------------------------------

#pragma once

#include <OpenMS/config.h>
#include <OpenMS/FORMAT/GzipIfstream.h>

#include <xercesc/util/BinInputStream.hpp>
#include <xercesc/util/PlatformUtils.hpp>

namespace OpenMS
{
  class String;

  class OPENMS_DLLAPI GzipInputStream :
    public xercesc::BinInputStream
  {
public:
    explicit GzipInputStream(const String& file_name);

    explicit GzipInputStream(const char* const file_name);

    ~GzipInputStream() override;

    bool getIsOpen() const;

    XMLFilePos curPos() const override;

    XMLSize_t readBytes(XMLByte* const to_fill, const XMLSize_t max_to_read) override;

    const XMLCh* getContentType() const override;


private:
    GzipIfstream* gzip_;
    XMLSize_t file_current_index_;

    //not implemented
    GzipInputStream();
    GzipInputStream(const GzipInputStream& stream);
    GzipInputStream& operator=(const GzipInputStream& stream);
  };

  inline XMLFilePos GzipInputStream::curPos() const
  {
    return file_current_index_;
  }

  inline bool GzipInputStream::getIsOpen() const
  {
    return gzip_->isOpen();
  }

} // namespace OpenMS