WPXStreamImplementation.h

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/* libwpd
 * Copyright (C) 2006 Ariya Hidayat (ariya@kde.org)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the 
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 * Boston, MA  02111-1301 USA
 *
 * For further information visit http://libwpd.sourceforge.net
 */

#ifndef __WPXSTREAMIMPLEMENTATION_H__
#define __WPXSTREAMIMPLEMENTATION_H__

#include "WPXStream.h"

class WPXFileStreamPrivate;

class WPXFileStream: public WPXInputStream
{
public:
        explicit WPXFileStream(const char* filename);
        ~WPXFileStream();
        
        const uint8_t *read(size_t numBytes, size_t &numBytesRead);
        long tell();
        int seek(long offset, WPX_SEEK_TYPE seekType);
        bool atEOS();

        bool isOLEStream();
        WPXInputStream *getDocumentOLEStream();

private:
        WPXFileStreamPrivate* d;
        WPXFileStream(const WPXFileStream&); // copy is not allowed
        WPXFileStream& operator=(const WPXFileStream&); // assignment is not allowed
};

class WPXStringStreamPrivate;

class WPXStringStream: public WPXInputStream
{
public:
        WPXStringStream(const char *data, const unsigned int dataSize);
        ~WPXStringStream();

        const uint8_t *read(size_t numBytes, size_t &numBytesRead);
        long tell();
        int seek(long offset, WPX_SEEK_TYPE seekType);
        bool atEOS();

        bool isOLEStream();
        WPXInputStream *getDocumentOLEStream();

private:
        WPXStringStreamPrivate* d;
        WPXStringStream(const WPXStringStream&); // copy is not allowed
        WPXStringStream& operator=(const WPXStringStream&); // assignment is not allowed
};

#endif // __WPXSTREAMIMPLEMENTATION_H__

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