ZipIfstream.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: Timo Sachsenberg $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/config.h>
 
#include <cstddef>
 
namespace OpenMS
{
  class OPENMS_DLLAPI ZipIfstream
  {
public:
    ZipIfstream();
 
    explicit ZipIfstream(const char* filename);
 
    virtual ~ZipIfstream();
 
    size_t read(char* s, size_t n);
 
    bool streamEnd() const;
 
    bool isOpen() const;
 
    void open(const char* filename);
 
    void close();
 
    ZipIfstream(const ZipIfstream&) = delete;
    ZipIfstream& operator=(const ZipIfstream&) = delete;
    ZipIfstream(ZipIfstream&&) = delete;
    ZipIfstream& operator=(ZipIfstream&&) = delete;
 
protected:
    void* zip_archive_ = nullptr;
    void* zip_entry_ = nullptr;
    bool stream_at_end_ = true;
  };
 
  inline bool ZipIfstream::isOpen() const
  {
    return zip_entry_ != nullptr;
  }
 
  inline bool ZipIfstream::streamEnd() const
  {
    return stream_at_end_;
  }
 
} // namespace OpenMS