86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
// Copyright (C) 2009 - 2012 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 HLADataType_hxx
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#define HLADataType_hxx
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#include <string>
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#include <simgear/structure/SGWeakPtr.hxx>
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#include <simgear/structure/SGWeakReferenced.hxx>
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#include "RTIData.hxx"
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#include "HLATypes.hxx"
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namespace simgear {
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class HLADataTypeVisitor;
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class HLABasicDataType;
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class HLAArrayDataType;
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class HLAEnumeratedDataType;
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class HLAFixedRecordDataType;
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class HLAVariantRecordDataType;
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class HLADataType : public SGWeakReferenced {
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public:
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virtual ~HLADataType();
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const std::string& getName() const
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{ return _name; }
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const std::string& getSemantics() const
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{ return _semantics; }
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void setSemantics(const std::string& semantics)
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{ _semantics = semantics; }
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unsigned getAlignment() const
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{ return _alignment; }
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virtual void accept(HLADataTypeVisitor& visitor) const;
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virtual const HLABasicDataType* toBasicDataType() const;
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virtual const HLAArrayDataType* toArrayDataType() const;
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virtual const HLAEnumeratedDataType* toEnumeratedDataType() const;
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virtual const HLAFixedRecordDataType* toFixedRecordDataType() const;
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virtual const HLAVariantRecordDataType* toVariantRecordDataType() const;
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/// Recompute the alignment value of this data type.
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/// Return true if the alignment changed, false otherwise.
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bool recomputeAlignment();
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/// Release references to other data types. Since we can have cycles this is
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/// required for propper feeing of memory.
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virtual void releaseDataTypeReferences();
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bool getDataElementIndex(HLADataElementIndex& index, const std::string& path, std::string::size_type offset) const;
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protected:
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HLADataType(const std::string& name, unsigned alignment = 1);
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void setAlignment(unsigned alignment);
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virtual void _recomputeAlignmentImplementation();
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private:
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class _DataElementIndexVisitor;
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std::string _name;
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std::string _semantics;
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unsigned _alignment;
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};
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} // namespace simgear
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#endif
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