GzipInputStream.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: David Wojnar $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/config.h>
 
#include <OpenMS/FORMAT/InputStream.h>
#include <string>
 
namespace OpenMS
{
  class GzipIfstream;
 
  class OPENMS_DLLAPI GzipInputStream :
    public InputStream
  {
public:
    explicit GzipInputStream(const std::string& file_name);
 
    explicit GzipInputStream(const char* const file_name);
 
    ~GzipInputStream() override;
 
    bool getIsOpen() const;
 
    UInt64 curPos() const override;
 
    Size readBytes(unsigned char* const to_fill, const Size max_to_read) override;
 
 
    GzipInputStream() = delete;
    GzipInputStream(const GzipInputStream& stream) = delete;
    GzipInputStream& operator=(const GzipInputStream& stream) = delete;
 
private:
    GzipIfstream* gzip_ = nullptr;
    UInt64 file_current_index_;
  };
 
  inline UInt64 GzipInputStream::curPos() const
  {
    return file_current_index_;
  }
 
} // namespace OpenMS