1 // Copyright (C) 2009 - 2012 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 HLADataType_hxx
19 #define HLADataType_hxx
22 #include <simgear/structure/SGWeakPtr.hxx>
23 #include <simgear/structure/SGWeakReferenced.hxx>
24 #include "RTIData.hxx"
25 #include "HLATypes.hxx"
29 class HLADataTypeVisitor;
31 class HLABasicDataType;
32 class HLAArrayDataType;
33 class HLAEnumeratedDataType;
34 class HLAFixedRecordDataType;
35 class HLAVariantRecordDataType;
37 class HLADataType : public SGWeakReferenced {
39 virtual ~HLADataType();
41 const std::string& getName() const
44 const std::string& getSemantics() const
45 { return _semantics; }
46 void setSemantics(const std::string& semantics)
47 { _semantics = semantics; }
49 unsigned getAlignment() const
50 { return _alignment; }
52 virtual void accept(HLADataTypeVisitor& visitor) const;
54 virtual const HLABasicDataType* toBasicDataType() const;
55 virtual const HLAArrayDataType* toArrayDataType() const;
56 virtual const HLAEnumeratedDataType* toEnumeratedDataType() const;
57 virtual const HLAFixedRecordDataType* toFixedRecordDataType() const;
58 virtual const HLAVariantRecordDataType* toVariantRecordDataType() const;
60 /// Recompute the alignment value of this data type.
61 /// Return true if the alignment changed, false otherwise.
62 bool recomputeAlignment();
63 /// Release references to other data types. Since we can have cycles this is
64 /// required for propper feeing of memory.
65 virtual void releaseDataTypeReferences();
67 bool getDataElementIndex(HLADataElementIndex& index, const std::string& path, std::string::size_type offset) const;
70 HLADataType(const std::string& name, unsigned alignment = 1);
71 void setAlignment(unsigned alignment);
73 virtual void _recomputeAlignmentImplementation();
76 class _DataElementIndexVisitor;
79 std::string _semantics;
83 } // namespace simgear