ABWZlibStream.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /*
00003  * This file is part of the libabw project.
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 
00010 #ifndef __ABWZLIBSTREAM_H__
00011 #define __ABWZLIBSTREAM_H__
00012 
00013 #include <vector>
00014 #include <librevenge-stream/librevenge-stream.h>
00015 
00016 namespace libabw
00017 {
00018 
00019 class ABWZlibStream : public librevenge::RVNGInputStream
00020 {
00021 public:
00022   ABWZlibStream(librevenge::RVNGInputStream *input);
00023   ~ABWZlibStream() {}
00024 
00025   bool isStructured()
00026   {
00027     return false;
00028   }
00029   unsigned subStreamCount()
00030   {
00031     return 0;
00032   }
00033   const char *subStreamName(unsigned)
00034   {
00035     return 0;
00036   }
00037   bool existsSubStream(const char *)
00038   {
00039     return false;
00040   }
00041   librevenge::RVNGInputStream *getSubStreamByName(const char *)
00042   {
00043     return 0;
00044   }
00045   librevenge::RVNGInputStream *getSubStreamById(unsigned)
00046   {
00047     return 0;
00048   }
00049   const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead);
00050   int seek(long offset, librevenge::RVNG_SEEK_TYPE seekType);
00051   long tell();
00052   bool isEnd();
00053   unsigned long getSize() const
00054   {
00055     return m_buffer.size();
00056   }
00057 private:
00058   librevenge::RVNGInputStream *m_input;
00059   volatile long m_offset;
00060   std::vector<unsigned char> m_buffer;
00061   ABWZlibStream(const ABWZlibStream &);
00062   ABWZlibStream &operator=(const ABWZlibStream &);
00063 };
00064 
00065 } // namespace libabw
00066 
00067 #endif // __ABWZLIBSTREAM_H__
00068 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */