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gzstream.h
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gzstream.h
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#ifndef K3DSDK_GZSTREAM_H
#define K3DSDK_GZSTREAM_H
// ============================================================================
// gzstream, C iostream classes wrapping the zlib compression library.
// Copyright (C) 2001 Deepak Bandyopadhyay, Lutz Kettner
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// ============================================================================
//
// File : gzstream.h
// Revision : $Revision: 1.3 $
// Revision_date : $Date: 2007/02/17 01:35:57 $
// Author(s) : Deepak Bandyopadhyay, Lutz Kettner
//
// Standard streambuf implementation following Nicolai Josuttis, "The
// Standard C Library".
// ============================================================================
// Integrated into the K-3D SDK by Tim Shead, April 2006
#include <iostream>
namespace k3d
{
namespace filesystem
{
class gzstreambuf;
class path;
class gzstreambase :
virtual public std::ios
{
protected:
gzstreambuf* const buf;
public:
gzstreambase();
gzstreambase(const filesystem::path& name, int open_mode);
~gzstreambase();
void open(const filesystem::path& name, int open_mode);
void close();
std::streambuf* rdbuf();
};
/// ifstream replacement that can read files with gzip compression
/** \todo Implement this using boost::iostreams */
class igzstream :
public gzstreambase,
public std::istream
{
public:
igzstream();
igzstream(const filesystem::path& name);
std::streambuf* rdbuf();
void open(const filesystem::path& name);
};
/// ofstream replacement that writes files with gzip compression
/** \todo Implement this using boost::iostreams */
class ogzstream :
public gzstreambase,
public std::ostream
{
public:
ogzstream();
ogzstream(const filesystem::path& name);
std::streambuf* rdbuf();
void open(const filesystem::path& name);
};
} // namespace filesystem
} // namespace k3d
#endif // !K3DSDK_GZSTREAM_H