GzipInputStream.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
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// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
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// $Maintainer: Timo Sachsenberg $
// $Authors: David Wojnar $
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#ifndef OPENMS_FORMAT_GZIPINPUTSTREAM_H
#define OPENMS_FORMAT_GZIPINPUTSTREAM_H

#include <xercesc/util/BinInputStream.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <OpenMS/FORMAT/GzipIfstream.h>


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);

    virtual ~GzipInputStream();

    bool getIsOpen() const;

    virtual XMLFilePos curPos() const;

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

    virtual const XMLCh* getContentType() const;


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

#endif // OPENMS_FORMAT_GZIPInputStream_H