Files
simgear/simgear/hla/HLADataType.hxx
T

86 lines
2.7 KiB
C++

// Copyright (C) 2009 - 2012 Mathias Froehlich - Mathias.Froehlich@web.de
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
#ifndef HLADataType_hxx
#define HLADataType_hxx
#include <string>
#include <simgear/structure/SGWeakPtr.hxx>
#include <simgear/structure/SGWeakReferenced.hxx>
#include "RTIData.hxx"
#include "HLATypes.hxx"
namespace simgear {
class HLADataTypeVisitor;
class HLABasicDataType;
class HLAArrayDataType;
class HLAEnumeratedDataType;
class HLAFixedRecordDataType;
class HLAVariantRecordDataType;
class HLADataType : public SGWeakReferenced {
public:
virtual ~HLADataType();
const std::string& getName() const
{ return _name; }
const std::string& getSemantics() const
{ return _semantics; }
void setSemantics(const std::string& semantics)
{ _semantics = semantics; }
unsigned getAlignment() const
{ return _alignment; }
virtual void accept(HLADataTypeVisitor& visitor) const;
virtual const HLABasicDataType* toBasicDataType() const;
virtual const HLAArrayDataType* toArrayDataType() const;
virtual const HLAEnumeratedDataType* toEnumeratedDataType() const;
virtual const HLAFixedRecordDataType* toFixedRecordDataType() const;
virtual const HLAVariantRecordDataType* toVariantRecordDataType() const;
/// Recompute the alignment value of this data type.
/// Return true if the alignment changed, false otherwise.
bool recomputeAlignment();
/// Release references to other data types. Since we can have cycles this is
/// required for propper feeing of memory.
virtual void releaseDataTypeReferences();
bool getDataElementIndex(HLADataElementIndex& index, const std::string& path, std::string::size_type offset) const;
protected:
HLADataType(const std::string& name, unsigned alignment = 1);
void setAlignment(unsigned alignment);
virtual void _recomputeAlignmentImplementation();
private:
class _DataElementIndexVisitor;
std::string _name;
std::string _semantics;
unsigned _alignment;
};
} // namespace simgear
#endif