1 // Copyright (C) 2009 - 2010 Mathias Froehlich - Mathias.Froehlich@web.de
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Library General Public
5 // License as published by the Free Software Foundation; either
6 // version 2 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Library General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 #ifndef HLAVariantDataElement_hxx
19 #define HLAVariantDataElement_hxx
22 #include <simgear/structure/SGSharedPtr.hxx>
23 #include "HLADataElement.hxx"
24 #include "HLAVariantDataType.hxx"
28 class HLAAbstractVariantDataElement : public HLADataElement {
30 HLAAbstractVariantDataElement(const HLAVariantDataType* dataType);
31 virtual ~HLAAbstractVariantDataElement();
33 virtual bool decode(HLADecodeStream& stream);
34 virtual bool encode(HLAEncodeStream& stream) const;
36 virtual const HLAVariantDataType* getDataType() const;
37 virtual bool setDataType(const HLADataType* dataType);
38 void setDataType(const HLAVariantDataType* dataType);
40 std::string getAlternativeName() const;
41 const HLADataType* getAlternativeDataType() const;
43 virtual bool setAlternativeIndex(unsigned index) = 0;
44 virtual bool decodeAlternative(HLADecodeStream& stream) = 0;
45 virtual unsigned getAlternativeIndex() const = 0;
46 virtual bool encodeAlternative(HLAEncodeStream& stream) const = 0;
49 SGSharedPtr<const HLAVariantDataType> _dataType;
52 class HLAVariantDataElement : public HLAAbstractVariantDataElement {
54 HLAVariantDataElement(const HLAVariantDataType* dataType);
55 virtual ~HLAVariantDataElement();
57 virtual bool setAlternativeIndex(unsigned index);
58 virtual bool decodeAlternative(HLADecodeStream& stream);
59 virtual unsigned getAlternativeIndex() const;
60 virtual bool encodeAlternative(HLAEncodeStream& stream) const;
62 class DataElementFactory : public SGReferenced {
64 virtual ~DataElementFactory();
65 virtual HLADataElement* createElement(const HLAVariantDataElement&, unsigned) = 0;
68 void setDataElementFactory(DataElementFactory* dataElementFactory);
69 DataElementFactory* getDataElementFactory();
72 HLADataElement* newElement(unsigned index);
74 SGSharedPtr<HLADataElement> _dataElement;
75 unsigned _alternativeIndex;
77 SGSharedPtr<DataElementFactory> _dataElementFactory;