WPGInternalStream.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /* libwpg
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://libwpg.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 WPGINTERNALSTREAM_H
00027 #define WPGINTERNALSTREAM_H
00028 #include <libwpd-stream/WPXStream.h>
00029 
00030 class WPGInternalInputStream : public WPXInputStream
00031 {
00032 public:
00033         WPGInternalInputStream(const unsigned char *data, unsigned long size);
00034         virtual ~WPGInternalInputStream();
00035 
00036         virtual bool isOLEStream()
00037         {
00038                 return false;
00039         }
00040         virtual WPXInputStream *getDocumentOLEStream(const char * /*name*/)
00041         {
00042                 return 0;
00043         }
00044 
00045         const virtual 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 
00050 private:
00051         long m_offset;
00052         unsigned long m_size;
00053         const unsigned char *m_data;
00054         unsigned char *m_tmpBuf;
00055         WPGInternalInputStream(const WPGInternalInputStream &);
00056         WPGInternalInputStream &operator=(const WPGInternalInputStream &);
00057 };
00058 
00059 #endif
00060 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */