ZStream.h

/*
 * Copyright (C) 2015 Marc Boris Duerner
 *
 * 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.
 *
 * As a special exception, you may use this file as part of a free
 * software library without restriction. Specifically, if other files
 * instantiate templates or use macros or inline functions from this
 * file, or you compile this file and link it with other files to
 * produce an executable, this file does not by itself cause the
 * resulting executable to be covered by the GNU General Public
 * License. This exception does not however invalidate any other
 * reasons why the executable file might be covered by the GNU Library
 * General Public License.
 *
 * 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
 */
 
#ifndef Pt_ZStream_h
#define Pt_ZStream_h
 
#include <Pt/Api.h>
#include <Pt/IOStream.h>
#include <Pt/ZBuffer.h>
 
namespace Pt {

class ZIStream : public BasicIStream<char>
{
    public:
        using Format = ZBuffer::Format;

        ZIStream(Format fmt = Format::Zlib)
        : BasicIStream<char>(0)
        , _buffer(fmt)
        {
            this->setBuffer(&_buffer);
        }

        explicit ZIStream(std::istream& is, Format fmt = Format::Zlib)
        : BasicIStream<char>(0)
        , _buffer(is, fmt)
        {
            this->setBuffer(&_buffer);
        }

        ~ZIStream()
        {}

        ZBuffer& zBuffer()
        { return _buffer; }

        void attach(std::istream& is)
        {
            _buffer.attach(is);
        }

        void detach()
        {
            _buffer.detach();
        }

        void reset()
        {
            _buffer.reset();
        }

        void reset(std::istream& is)
        {
            _buffer.reset(is);
        }

        void finish()
        {
            _buffer.finish();
        }

        std::size_t zcount() const
        { return _buffer.zcount(); }
 
    private:
        ZBuffer _buffer;
};

class ZOStream : public BasicOStream<char>
{
    public:
        using Format = ZBuffer::Format;

        ZOStream(Format fmt = Format::Zlib)
        : BasicOStream<char>(0)
        , _buffer(fmt)
        {
            this->setBuffer(&_buffer);
        }

        explicit ZOStream(std::ostream& os, Format fmt = Format::Zlib)
        : BasicOStream<char>(0)
        , _buffer(os, fmt)
        {
            this->setBuffer(&_buffer);
        }

        ~ZOStream()
        {}

        ZBuffer& zBuffer()
        { return _buffer; }

        void attach(std::ostream& os)
        {
            _buffer.attach(os);
        }

        void detach()
        {
            _buffer.detach();
        }

        void reset()
        {
            _buffer.reset();
        }

        void reset(std::ostream& os)
        {
            _buffer.reset(os);
        }

        void finish()
        {
            _buffer.finish();
        }
 
    private:
        ZBuffer _buffer;
};

class ZIOStream : public BasicIOStream<char>
{
    public:
        using Format = ZBuffer::Format;

        ZIOStream()
        : BasicIOStream<char>(0)
        {
            this->setBuffer(&_buffer);
        }

        explicit ZIOStream(std::iostream& ios)
        : BasicIOStream<char>(0)
        , _buffer(ios)
        {
            this->setBuffer(&_buffer);
        }

        ~ZIOStream()
        {}

        ZBuffer& zBuffer()
        { return _buffer; }

        void attach(std::iostream& ios)
        {
            _buffer.attach(ios);
        }

        void detach()
        {
            _buffer.detach();
        }

        void reset()
        {
            _buffer.reset();
        }

        void reset(std::iostream& ios)
        {
            _buffer.reset(ios);
        }

        void finish()
        {
            _buffer.finish();
        }

        std::size_t zcount() const
        { return _buffer.zcount(); }
 
    private:
        ZBuffer _buffer;
};
 
} // namespace Pt
 
#endif // Pt_ZStream_h