RVNGMemoryStream.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /* librevenge
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 
00020 #ifndef RVNGMEMORYSTREAM_H
00021 #define RVNGMEMORYSTREAM_H
00022 
00023 #include <librevenge-stream/librevenge-stream.h>
00024 
00025 namespace librevenge
00026 {
00027 
00028 class RVNGMemoryInputStream : public RVNGInputStream
00029 {
00030 public:
00031         RVNGMemoryInputStream(unsigned char *data, unsigned long size);
00032         ~RVNGMemoryInputStream();
00033         bool isStructured()
00034         {
00035                 return false;
00036         }
00037         unsigned subStreamCount()
00038         {
00039                 return 0;
00040         }
00041         const char *subStreamName(unsigned)
00042         {
00043                 return 0;
00044         }
00045         bool existsSubStream(const char *)
00046         {
00047                 return false;
00048         }
00049         RVNGInputStream *getSubStreamByName(const char *)
00050         {
00051                 return 0;
00052         }
00053         RVNGInputStream *getSubStreamById(unsigned)
00054         {
00055                 return 0;
00056         }
00057         const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead);
00058         int seek(long offset, RVNG_SEEK_TYPE seekType);
00059         long tell();
00060         bool isEnd();
00061         unsigned long getSize() const
00062         {
00063                 return m_size;
00064         }
00065 
00066 private:
00067         long m_offset;
00068         unsigned long m_size;
00069         unsigned char *m_data;
00070         RVNGMemoryInputStream(const RVNGMemoryInputStream &);
00071         RVNGMemoryInputStream &operator=(const RVNGMemoryInputStream &);
00072 };
00073 
00074 }
00075 
00076 #endif
00077 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */