libebml: ebml/EbmlDummy.h Source File

00001 /****************************************************************************
00002 ** libebml : parse EBML files, see http://embl.sourceforge.net/
00003 **
00004 ** <file/class description>
00005 **
00006 ** Copyright (C) 2002-2010 Steve Lhomme.  All rights reserved.
00007 **
00008 ** This file is part of libebml.
00009 **
00010 ** This library is free software; you can redistribute it and/or
00011 ** modify it under the terms of the GNU Lesser General Public
00012 ** License as published by the Free Software Foundation; either
00013 ** version 2.1 of the License, or (at your option) any later version.
00014 ** 
00015 ** This library is distributed in the hope that it will be useful,
00016 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 ** Lesser General Public License for more details.
00019 ** 
00020 ** You should have received a copy of the GNU Lesser General Public
00021 ** License along with this library; if not, write to the Free Software
00022 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 **
00024 ** See http://www.matroska.org/license/lgpl/ for LGPL licensing information.
00025 **
00026 ** Contact license@matroska.org if any conditions of this licensing are
00027 ** not clear to you.
00028 **
00029 **********************************************************************/
00030 
00036 #ifndef LIBEBML_DUMMY_H
00037 #define LIBEBML_DUMMY_H
00038 
00039 #include "EbmlBinary.h"
00040 
00041 START_LIBEBML_NAMESPACE
00042 
00043 class EBML_DLL_API EbmlDummy : public EbmlBinary {
00044         public:
00045                 EbmlDummy() :DummyId(DummyRawId) {}
00046                 EbmlDummy(const EbmlId & aId) :EbmlBinary(), DummyId(aId) {}
00047                 EbmlDummy(const EbmlDummy & ElementToClone):EbmlBinary(ElementToClone), DummyId(ElementToClone.DummyId) {}
00048 
00049                 bool IsDummy() const {return true;}
00050                 bool IsDefaultValue() const {return true;}
00051 
00052         virtual operator const EbmlId &() const {
00053             return DummyId;
00054         }
00055 
00056 #if defined(EBML_STRICT_API)
00057     private:
00058 #else
00059     protected:
00060 #endif
00061                 const EbmlId DummyId;
00062                 static const EbmlId DummyRawId;
00063 
00064         EBML_CONCRETE_DUMMY_CLASS(EbmlDummy)
00065 };
00066 
00067 END_LIBEBML_NAMESPACE
00068 
00069 #endif // LIBEBML_DUMMY_H