KEYMemoryStream.h
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /*
00003  * This file is part of the libetonyek 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 KEYMEMORYSTREAM_H_INCLUDED
00011 #define KEYMEMORYSTREAM_H_INCLUDED
00012 
00013 #include <vector>
00014 
00015 #include "libetonyek_utils.h"
00016 
00017 namespace libetonyek
00018 {
00019 
00020 class KEYMemoryStream : public WPXInputStream
00021 {
00022   // -Weffc++
00023   KEYMemoryStream(const KEYMemoryStream &other);
00024   KEYMemoryStream &operator=(const KEYMemoryStream &other);
00025 
00026 public:
00027   explicit KEYMemoryStream(const WPXInputStreamPtr_t &input);
00028   KEYMemoryStream(const WPXInputStreamPtr_t &input, unsigned length);
00029   explicit KEYMemoryStream(std::vector<unsigned char> &data);
00030   KEYMemoryStream(const unsigned char *data, unsigned length);
00031   virtual ~KEYMemoryStream();
00032 
00033   virtual bool isOLEStream();
00034   virtual WPXInputStream *getDocumentOLEStream(const char *name);
00035 
00036   virtual const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead);
00037   virtual int seek(long offset, WPX_SEEK_TYPE seekType);
00038   virtual long tell();
00039   virtual bool atEOS();
00040 
00041 private:
00042   void assign(const unsigned char *data, unsigned length);
00043   void read(const WPXInputStreamPtr_t &input, unsigned length);
00044 
00045 private:
00046   const unsigned char *m_data;
00047   long m_length;
00048   long m_pos;
00049 };
00050 
00051 }
00052 
00053 #endif // KEYMEMORYSTREAM_H_INCLUDED
00054 
00055 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */