00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ 00002 /* libwpd 00003 * Version: MPL 2.0 / LGPLv2.1+ 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 * Major Contributor(s): 00010 * Copyright (C) 2004-2005 William Lachance (wrlach@gmail.com) 00011 * 00012 * For minor contributions see the git repository. 00013 * 00014 * Alternatively, the contents of this file may be used under the terms 00015 * of the GNU Lesser General Public License Version 2.1 or later 00016 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are 00017 * applicable instead of those above. 00018 * 00019 * For further information visit http://libwpd.sourceforge.net 00020 */ 00021 00022 /* "This product is not manufactured, approved, or supported by 00023 * Corel Corporation or Corel Corporation Limited." 00024 */ 00025 00026 #ifndef WPXSTREAM_H 00027 #define WPXSTREAM_H 00028 00029 enum WPX_SEEK_TYPE 00030 { 00031 WPX_SEEK_CUR, 00032 WPX_SEEK_SET, 00033 WPX_SEEK_END 00034 }; 00035 00036 class WPXInputStream 00037 { 00038 public: 00039 WPXInputStream() {} 00040 virtual ~WPXInputStream() {} 00041 00047 virtual bool isOLEStream() = 0; 00054 virtual WPXInputStream *getDocumentOLEStream(const char *name) = 0; 00055 00063 virtual const unsigned char *read(unsigned long numBytes, unsigned long &numBytesRead) = 0; 00074 virtual int seek(long offset, WPX_SEEK_TYPE seekType) = 0; 00079 virtual long tell() = 0; 00085 virtual bool atEOS() = 0; 00086 }; 00087 #endif 00088 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */