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 <librevenge-stream/librevenge-stream.h>
00029 
00030 class WPXMemoryInputStream : public librevenge::RVNGInputStream
00031 {
00032 public:
00033         WPXMemoryInputStream(unsigned char *data, unsigned long size);
00034         ~WPXMemoryInputStream();
00035         bool isStructured()
00036         {
00037                 return false;
00038         }
00039         unsigned subStreamCount()
00040         {
00041                 return 0;
00042         }
00043         const char *subStreamName(unsigned)
00044         {
00045                 return 0;
00046         }
00047         bool existsSubStream(const char *)
00048         {
00049                 return false;
00050         }
00051         librevenge::RVNGInputStream *getSubStreamByName(const char *)
00052         {
00053                 return 0;
00054         }
00055         librevenge::RVNGInputStream *getSubStreamById(unsigned)
00056         {
00057                 return 0;
00058         }
00059         const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead);
00060         int seek(long offset, librevenge::RVNG_SEEK_TYPE seekType);
00061         long tell();
00062         bool isEnd();
00063         unsigned long getSize() const
00064         {
00065                 return m_size;
00066         }
00067 
00068 private:
00069         long m_offset;
00070         unsigned long m_size;
00071         unsigned char *m_data;
00072         WPXMemoryInputStream(const WPXMemoryInputStream &);
00073         WPXMemoryInputStream &operator=(const WPXMemoryInputStream &);
00074 };
00075 
00076 #endif
00077 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */