00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 00002 /* libvisio 00003 * Version: MPL 1.1 / GPLv2+ / LGPLv2+ 00004 * 00005 * The contents of this file are subject to the Mozilla Public License Version 00006 * 1.1 (the "License"); you may not use this file except in compliance with 00007 * the License or as specified alternatively below. You may obtain a copy of 00008 * the License at http://www.mozilla.org/MPL/ 00009 * 00010 * Software distributed under the License is distributed on an "AS IS" basis, 00011 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 00012 * for the specific language governing rights and limitations under the 00013 * License. 00014 * 00015 * Major Contributor(s): 00016 * Copyright (C) 2011 Fridrich Strba <fridrich.strba@bluewin.ch> 00017 * Copyright (C) 2011 Eilidh McAdam <tibbylickle@gmail.com> 00018 * 00019 * 00020 * All Rights Reserved. 00021 * 00022 * For minor contributions see the git repository. 00023 * 00024 * Alternatively, the contents of this file may be used under the terms of 00025 * either the GNU General Public License Version 2 or later (the "GPLv2+"), or 00026 * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"), 00027 * in which case the provisions of the GPLv2+ or the LGPLv2+ are applicable 00028 * instead of those above. 00029 */ 00030 00031 00032 #ifndef __VSDINTERNALSTREAM_H__ 00033 #define __VSDINTERNALSTREAM_H__ 00034 00035 #include <stddef.h> 00036 #include <vector> 00037 #include <libwpd-stream/libwpd-stream.h> 00038 00039 class VSDInternalStream : public WPXInputStream 00040 { 00041 public: 00042 VSDInternalStream(WPXInputStream *input, unsigned long size, bool compressed=false); 00043 VSDInternalStream(const std::vector<unsigned char> &buffer); 00044 VSDInternalStream(const unsigned char *buffer, size_t bufferLength); 00045 ~VSDInternalStream() {} 00046 00047 bool isOLEStream() 00048 { 00049 return false; 00050 } 00051 WPXInputStream *getDocumentOLEStream(const char *) 00052 { 00053 return 0; 00054 } 00055 00056 const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead); 00057 int seek(long offset, WPX_SEEK_TYPE seekType); 00058 long tell(); 00059 bool atEOS(); 00060 unsigned long getSize() const 00061 { 00062 return m_buffer.size(); 00063 }; 00064 00065 private: 00066 volatile long m_offset; 00067 std::vector<unsigned char> m_buffer; 00068 VSDInternalStream(const VSDInternalStream &); 00069 VSDInternalStream &operator=(const VSDInternalStream &); 00070 }; 00071 00072 #endif 00073 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */