WP3VariableLengthGroup.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
00002 /* libwpd
00003  * Copyright (C) 2004 Marc Maurer (uwog@uwog.net)
00004  * Copyright (C) 2005-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public
00017  * License along with this library; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
00019  *
00020  * For further information visit http://libwpd.sourceforge.net
00021  */
00022 
00023 /* "This product is not manufactured, approved, or supported by
00024  * Corel Corporation or Corel Corporation Limited."
00025  */
00026 
00027 #ifndef WP3VARIABLELENGTHGROUP_H
00028 #define WP3VARIABLELENGTHGROUP_H
00029 
00030 #include "WP3Part.h"
00031 
00032 class WPXEncryption;
00033 
00034 class WP3VariableLengthGroup : public WP3Part
00035 {
00036 public:
00037         WP3VariableLengthGroup(); // WP3VariableLengthGroup should _never_ be constructed, only its inherited classes
00038         virtual ~WP3VariableLengthGroup() {}
00039 
00040         static WP3VariableLengthGroup *constructVariableLengthGroup(WPXInputStream *input, WPXEncryption *encryption, const uint8_t group);
00041 
00042         static bool isGroupConsistent(WPXInputStream *input, WPXEncryption *encryption, const uint8_t group);
00043 
00044 protected:
00045         void _read(WPXInputStream *input, WPXEncryption *encryption);
00046         virtual void _readContents(WPXInputStream * /* input */, WPXEncryption * /* encryption */) {} // we don't always need more information than that provided generically
00047 
00048         uint8_t getSubGroup() const
00049         {
00050                 return m_subGroup;
00051         }
00052         uint16_t getSize() const
00053         {
00054                 return m_size;
00055         }
00056 
00057 private:
00058         uint8_t m_subGroup;
00059         uint16_t m_size;
00060 };
00061 
00062 #endif /* WP3VARIABLELENGTHGROUP_H */
00063 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */