WP6VariableLengthGroup.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  * 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) 2002 William Lachance (wrlach@gmail.com)
00011  * Copyright (C) 2002 Marc Maurer (uwog@uwog.net)
00012  * Copyright (C) 2006 Fridrich Strba (fridrich.strba@bluewin.ch)
00013  *
00014  * For minor contributions see the git repository.
00015  *
00016  * Alternatively, the contents of this file may be used under the terms
00017  * of the GNU Lesser General Public License Version 2.1 or later
00018  * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
00019  * applicable instead of those above.
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 WP6VARIABLELENGTHGROUP_H
00029 #define WP6VARIABLELENGTHGROUP_H
00030 
00031 #include "WP6Part.h"
00032 
00033 class WP6VariableLengthGroup_SubGroup
00034 {
00035 public:
00036         virtual ~WP6VariableLengthGroup_SubGroup() {}
00037         virtual void parse(WP6Listener *listener, const unsigned char numPrefixIDs, unsigned short const *prefixIDs) const = 0;
00038 };
00039 
00040 class WP6VariableLengthGroup : public WP6Part
00041 {
00042 public:
00043         WP6VariableLengthGroup(); // WP6VariableLengthGroup should _never_ be constructed, only its inherited classes
00044         virtual ~WP6VariableLengthGroup();
00045 
00046         static WP6VariableLengthGroup *constructVariableLengthGroup(librevenge::RVNGInputStream *input, WPXEncryption *encryption, const unsigned char groupID);
00047 
00048         static bool isGroupConsistent(librevenge::RVNGInputStream *input, WPXEncryption *encryption, const unsigned char groupID);
00049 
00050 protected:
00051         void _read(librevenge::RVNGInputStream *input, WPXEncryption *encryption);
00052         virtual void _readContents(librevenge::RVNGInputStream * /* input */, WPXEncryption * /* encryption */) {} // we don't always need more information than that provided generically
00053 
00054         unsigned char getSubGroup() const
00055         {
00056                 return m_subGroup;
00057         }
00058         unsigned short getSize() const
00059         {
00060                 return m_size;
00061         }
00062         unsigned char getFlags() const
00063         {
00064                 return m_flags;
00065         }
00066         unsigned char getNumPrefixIDs() const
00067         {
00068                 return m_numPrefixIDs;
00069         }
00070         const unsigned short *getPrefixIDs() const
00071         {
00072                 return m_prefixIDs;
00073         }
00074         unsigned short getSizeNonDeletable() const
00075         {
00076                 return m_sizeNonDeletable;
00077         }
00078         unsigned short getSizeDeletable() const
00079         {
00080                 return m_sizeDeletable;
00081         }
00082 
00083 private:
00084         WP6VariableLengthGroup(const WP6VariableLengthGroup &);
00085         WP6VariableLengthGroup &operator=(const WP6VariableLengthGroup &);
00086         unsigned char m_subGroup;
00087         unsigned short m_size;
00088         unsigned char m_flags;
00089         unsigned char m_numPrefixIDs;
00090         unsigned short *m_prefixIDs;
00091         unsigned short m_sizeNonDeletable;
00092         unsigned short m_sizeDeletable;
00093 };
00094 
00095 #endif /* WP6VARIABLELENGTHGROUP_H */
00096 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */