WPXMemoryStream.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /* libwpd
00003  * Copyright (C) 2004-2005 William Lachance (wrlach@gmail.com)
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public
00016  * License along with this library; if not, write to the Free Software
00017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
00018  *
00019  * For further information visit http://libwpd.sourceforge.net
00020  */
00021 
00022 /* "This product is not manufactured, approved, or supported by
00023  * Corel Corporation or Corel Corporation Limited."
00024  */
00025 
00026 #ifndef MEMORYSTREAM_H
00027 #define MEMORYSTREAM_H
00028 #include "WPXStream.h"
00029 
00030 class WPXMemoryInputStream : public WPXInputStream
00031 {
00032 public:
00033         WPXMemoryInputStream(unsigned char *data, unsigned long size);
00034         virtual ~WPXMemoryInputStream();
00035 
00036         virtual bool isOLEStream()
00037         {
00038                 return false;
00039         }
00040         virtual WPXInputStream *getDocumentOLEStream(const char *)
00041         {
00042                 return 0;
00043         }
00044 
00045         virtual const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead);
00046         virtual int seek(long offset, WPX_SEEK_TYPE seekType);
00047         virtual long tell();
00048         virtual bool atEOS();
00049         virtual unsigned long getSize() const
00050         {
00051                 return m_size;
00052         };
00053 
00054 private:
00055         long m_offset;
00056         unsigned long m_size;
00057         unsigned char *m_data;
00058         WPXMemoryInputStream(const WPXMemoryInputStream &);
00059         WPXMemoryInputStream &operator=(const WPXMemoryInputStream &);
00060 };
00061 
00062 #endif
00063 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */