WPXMemoryStream.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /* libwpd
00003  * Version: MPL 2.0 / LGPLv2.1+
00004  *
00005  * This Source Code Form is subject to the terms of the Mozilla Public
00006  * License, v. 2.0. If a copy of the MPL was not distributed with this
00007  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
00008  *
00009  * Major Contributor(s):
00010  * Copyright (C) 2004-2005 William Lachance (wrlach@gmail.com)
00011  *
00012  * For minor contributions see the git repository.
00013  *
00014  * Alternatively, the contents of this file may be used under the terms
00015  * of the GNU Lesser General Public License Version 2.1 or later
00016  * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
00017  * applicable instead of those above.
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: */