WPSStringStream.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
 
/* libwps
 * Version: MPL 2.0 / LGPLv2.1+
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Major Contributor(s):
 * Copyright (C) 2009, 2011 Alonso Laurent (alonso@loria.fr)
 * Copyright (C) 2006, 2007 Andrew Ziem
 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
 * Copyright (C) 2004 Marc Maurer (uwog@uwog.net)
 * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)
 *
 * For minor contributions see the git repository.
 *
 * Alternatively, the contents of this file may be used under the terms
 * of the GNU Lesser General Public License Version 2.1 or later
 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
 * applicable instead of those above.
 *
 * For further information visit http://libwps.sourceforge.net
 */
 
#ifndef WPS_STRING_STREAM_H
#define WPS_STRING_STREAM_H
 
#include <memory>
 
#include <librevenge-stream/librevenge-stream.h>
 
class WPSStringStreamPrivate;

class WPSStringStream final: public librevenge::RVNGInputStream
{
public:
        WPSStringStream(const unsigned char *data, const unsigned int dataSize);
        ~WPSStringStream() final;

        void append(const unsigned char *data, const unsigned int dataSize);
        const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead) final;
        long tell() final;
        int seek(long offset, librevenge::RVNG_SEEK_TYPE seekType) final;
        bool isEnd() final;

        bool isStructured() final;
        unsigned subStreamCount() final;
        const char *subStreamName(unsigned) final;
        bool existsSubStream(const char *name) final;
        librevenge::RVNGInputStream *getSubStreamByName(const char *name) final;
        librevenge::RVNGInputStream *getSubStreamById(unsigned) final;
 
private:
        std::unique_ptr<WPSStringStreamPrivate> m_data;
        WPSStringStream(const WPSStringStream &) = delete; // copy is not allowed
        WPSStringStream &operator=(const WPSStringStream &) = delete; // assignment is not allowed
};
 
#endif
 
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