EBOOKMemoryStream.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 libe-book 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 EBOOKMEMORYSTREAM_H_INCLUDED
00011 #define EBOOKMEMORYSTREAM_H_INCLUDED
00012 
00013 #include <librevenge-stream/librevenge-stream.h>
00014 
00015 namespace libebook
00016 {
00017 
00018 class EBOOKMemoryStream : public librevenge::RVNGInputStream
00019 {
00020 // disable copying
00021   EBOOKMemoryStream(const EBOOKMemoryStream &other);
00022   EBOOKMemoryStream &operator=(const EBOOKMemoryStream &other);
00023 
00024 public:
00025   EBOOKMemoryStream();
00026   EBOOKMemoryStream(const unsigned char *data, unsigned length);
00027   virtual ~EBOOKMemoryStream();
00028 
00029   virtual bool isStructured();
00030   virtual unsigned subStreamCount();
00031   virtual const char *subStreamName(unsigned id);
00032   virtual bool existsSubStream(const char *name);
00033   virtual librevenge::RVNGInputStream *getSubStreamByName(const char *name);
00034   virtual RVNGInputStream *getSubStreamById(unsigned id);
00035 
00036   virtual const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead);
00037   virtual int seek(long offset, librevenge::RVNG_SEEK_TYPE seekType);
00038   virtual long tell();
00039   virtual bool isEnd();
00040 
00041 private:
00042   const unsigned char *m_data;
00043   const long m_length;
00044   long m_pos;
00045 };
00046 
00047 }
00048 
00049 #endif // EBOOKMEMORYSTREAM_H_INCLUDED
00050 
00051 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */