83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
// Copyright (C) 2009 - 2010 Mathias Froehlich - Mathias.Froehlich@web.de
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifndef HLAVariantDataElement_hxx
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#define HLAVariantDataElement_hxx
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#include <string>
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#include <simgear/structure/SGSharedPtr.hxx>
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#include "HLADataElement.hxx"
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#include "HLAVariantDataType.hxx"
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namespace simgear {
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class HLAAbstractVariantDataElement : public HLADataElement {
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public:
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HLAAbstractVariantDataElement(const HLAVariantDataType* dataType);
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virtual ~HLAAbstractVariantDataElement();
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virtual bool decode(HLADecodeStream& stream);
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virtual bool encode(HLAEncodeStream& stream) const;
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virtual const HLAVariantDataType* getDataType() const;
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virtual bool setDataType(const HLADataType* dataType);
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void setDataType(const HLAVariantDataType* dataType);
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std::string getAlternativeName() const;
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const HLADataType* getAlternativeDataType() const;
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virtual bool setAlternativeIndex(unsigned index) = 0;
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virtual bool decodeAlternative(HLADecodeStream& stream) = 0;
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virtual unsigned getAlternativeIndex() const = 0;
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virtual bool encodeAlternative(HLAEncodeStream& stream) const = 0;
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private:
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SGSharedPtr<const HLAVariantDataType> _dataType;
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};
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class HLAVariantDataElement : public HLAAbstractVariantDataElement {
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public:
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HLAVariantDataElement(const HLAVariantDataType* dataType);
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virtual ~HLAVariantDataElement();
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virtual bool setAlternativeIndex(unsigned index);
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virtual bool decodeAlternative(HLADecodeStream& stream);
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virtual unsigned getAlternativeIndex() const;
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virtual bool encodeAlternative(HLAEncodeStream& stream) const;
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class DataElementFactory : public SGReferenced {
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public:
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virtual ~DataElementFactory();
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virtual HLADataElement* createElement(const HLAVariantDataElement&, unsigned) = 0;
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};
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void setDataElementFactory(DataElementFactory* dataElementFactory);
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DataElementFactory* getDataElementFactory();
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private:
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HLADataElement* newElement(unsigned index);
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SGSharedPtr<HLADataElement> _dataElement;
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unsigned _alternativeIndex;
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SGSharedPtr<DataElementFactory> _dataElementFactory;
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};
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}
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#endif
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