00001 /* libwpd 00002 * Copyright (C) 2004-2005 William Lachance (wrlach@gmail.com) 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Library General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2 of the License, or (at your option) any later version. 00008 * 00009 * This library is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Library General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Library General Public 00015 * License along with this library; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 00017 * 00018 * For further information visit http://libwpd.sourceforge.net 00019 */ 00020 00021 /* "This product is not manufactured, approved, or supported by 00022 * Corel Corporation or Corel Corporation Limited." 00023 */ 00024 00025 #ifndef WPXSTREAM_H 00026 #define WPXSTREAM_H 00027 #include <stdio.h> 00028 00029 enum WPX_SEEK_TYPE 00030 { 00031 WPX_SEEK_CUR, 00032 WPX_SEEK_SET 00033 }; 00034 00035 class WPXInputStream 00036 { 00037 public: 00038 WPXInputStream() {} 00039 virtual ~WPXInputStream() {} 00040 00046 virtual bool isOLEStream() = 0; 00053 virtual WPXInputStream * getDocumentOLEStream(const char *name) = 0; 00054 00062 virtual const unsigned char *read(size_t numBytes, size_t &numBytesRead) = 0; 00073 virtual int seek(long offset, WPX_SEEK_TYPE seekType) = 0; 00078 virtual long tell() = 0; 00084 virtual bool atEOS() = 0; 00085 }; 00086 #endif