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 #include "HLAVariantDataElement.hxx"
20 #include <simgear/debug/logstream.hxx>
22 #include "HLADataElementVisitor.hxx"
26 HLAAbstractVariantDataElement::HLAAbstractVariantDataElement(const HLAVariantDataType* dataType) :
31 HLAAbstractVariantDataElement::~HLAAbstractVariantDataElement()
36 HLAAbstractVariantDataElement::accept(HLADataElementVisitor& visitor)
42 HLAAbstractVariantDataElement::accept(HLAConstDataElementVisitor& visitor) const
48 HLAAbstractVariantDataElement::decode(HLADecodeStream& stream)
50 if (!_dataType.valid())
52 return _dataType->decode(stream, *this);
56 HLAAbstractVariantDataElement::encode(HLAEncodeStream& stream) const
58 if (!_dataType.valid())
60 return _dataType->encode(stream, *this);
63 const HLAVariantDataType*
64 HLAAbstractVariantDataElement::getDataType() const
66 return _dataType.get();
70 HLAAbstractVariantDataElement::setDataType(const HLADataType* dataType)
72 const HLAVariantDataType* variantDataType = dataType->toVariantDataType();
73 if (!variantDataType) {
74 SG_LOG(SG_NETWORK, SG_WARN, "HLAVariantDataType: unable to set data type!");
77 setDataType(variantDataType);
82 HLAAbstractVariantDataElement::setDataType(const HLAVariantDataType* dataType)
88 HLAAbstractVariantDataElement::getAlternativeName() const
90 if (!_dataType.valid())
92 return _dataType->getAlternativeName(getAlternativeIndex());
96 HLAAbstractVariantDataElement::getAlternativeDataType() const
98 if (!_dataType.valid())
100 return _dataType->getAlternativeDataType(getAlternativeIndex());
104 HLAVariantDataElement::DataElementFactory::~DataElementFactory()
108 HLAVariantDataElement::HLAVariantDataElement(const HLAVariantDataType* dataType) :
109 HLAAbstractVariantDataElement(dataType),
110 _alternativeIndex(~0u)
114 HLAVariantDataElement::~HLAVariantDataElement()
119 HLAVariantDataElement::setAlternativeIndex(unsigned index)
121 if (_alternativeIndex == index)
123 SGSharedPtr<HLADataElement> dataElement = newElement(index);
124 if (!dataElement.valid())
126 _dataElement.swap(dataElement);
127 _alternativeIndex = index;
132 HLAVariantDataElement::decodeAlternative(HLADecodeStream& stream)
134 return _dataElement->decode(stream);
138 HLAVariantDataElement::getAlternativeIndex() const
140 return _alternativeIndex;
144 HLAVariantDataElement::encodeAlternative(HLAEncodeStream& stream) const
146 return _dataElement->encode(stream);
150 HLAVariantDataElement::setDataElementFactory(HLAVariantDataElement::DataElementFactory* dataElementFactory)
152 _dataElementFactory = dataElementFactory;
155 HLAVariantDataElement::DataElementFactory*
156 HLAVariantDataElement::getDataElementFactory()
158 return _dataElementFactory;
162 HLAVariantDataElement::newElement(unsigned index)
164 if (!_dataElementFactory.valid())
166 return _dataElementFactory->createElement(*this, index);