zipinputstream.cpp

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/*
  Zipios -- a small C++ library that provides easy access to .zip files.

  Copyright (C) 2000-2007  Thomas Sondergaard
  Copyright (c) 2015-2022  Made to Order Software Corp.  All Rights Reserved

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include "zipinputstream.hpp"

#include <fstream>


namespace zipios
{


ZipInputStream::ZipInputStream(std::string const & filename, std::streampos pos)
    : std::istream(nullptr)
    , m_ifs(std::make_unique<std::ifstream>(filename, std::ios::in | std::ios::binary))
    , m_ifs_ref(*m_ifs)
    , m_izf(std::make_unique<ZipInputStreambuf>(m_ifs_ref.rdbuf(), pos))
{
    // properly initialize the stream with the newly allocated buffer
    init(m_izf.get());
}


ZipInputStream::ZipInputStream(std::istream & is)
    : std::istream(nullptr)
    , m_ifs_ref(is)
    , m_izf(std::make_unique<ZipInputStreambuf>(m_ifs_ref.rdbuf(), 0))
{
    // properly initialize the stream with the newly allocated buffer
    init(m_izf.get());
}


ZipInputStream::~ZipInputStream()
{
}


} // zipios namespace

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// mode: cpp
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