WP5VariableLengthGroup.h
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /* libwpd
00003  * Copyright (C) 2003 William Lachance (wrlach@gmail.com)
00004  * Copyright (C) 2003 Marc Maurer (uwog@uwog.net)
00005  * Copyright (C) 2006 Fridrich Strba (fridrich.strba@bluewin.ch)
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Library General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Library General Public
00018  * License along with this library; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
00020  *
00021  * For further information visit http://libwpd.sourceforge.net
00022  */
00023 
00024 /* "This product is not manufactured, approved, or supported by
00025  * Corel Corporation or Corel Corporation Limited."
00026  */
00027 
00028 #ifndef WP5VARIABLELENGTHGROUP_H
00029 #define WP5VARIABLELENGTHGROUP_H
00030 
00031 #include "WP5Part.h"
00032 
00033 class WP5VariableLengthGroup_SubGroup
00034 {
00035 public:
00036         virtual ~WP5VariableLengthGroup_SubGroup() {}
00037         virtual void parse(WP5Listener *listener) = 0;
00038 };
00039 
00040 class WP5VariableLengthGroup : public WP5Part
00041 {
00042 public:
00043         WP5VariableLengthGroup(); // WP5VariableLengthGroup should _never_ be constructed, only its inherited classes
00044         virtual ~WP5VariableLengthGroup() {}
00045 
00046         static WP5VariableLengthGroup *constructVariableLengthGroup(WPXInputStream *input, WPXEncryption *encryption, const uint8_t group);
00047 
00048         static bool isGroupConsistent(WPXInputStream *input, WPXEncryption *encryption, const uint8_t group);
00049 
00050 protected:
00051         void _read(WPXInputStream *input, WPXEncryption *encryption);
00052         virtual void _readContents(WPXInputStream * /* input */, WPXEncryption * /* encryption */) {} // we don't always need more information than that provided generically
00053 
00054         uint8_t getSubGroup() const
00055         {
00056                 return m_subGroup;
00057         }
00058         uint16_t getSize() const
00059         {
00060                 return m_size;
00061         }
00062 
00063 private:
00064         uint8_t m_subGroup;
00065         uint16_t m_size;
00066 };
00067 
00068 #endif /* WP5VARIABLELENGTHGROUP_H */
00069 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */