85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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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
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* OpenSceneGraph Public License for more details.
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*/
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//osgIntrospection - Copyright (C) 2005 Marco Jez
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#ifndef OSGINTROSPECTION_CONVERTER_
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#define OSGINTROSPECTION_CONVERTER_
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#include <osgIntrospection/Value>
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#include <vector>
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namespace osgIntrospection
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{
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struct Converter
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{
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virtual Value convert(const Value& ) const = 0;
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virtual ~Converter() {}
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};
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typedef std::vector<const Converter* > ConverterList;
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class CompositeConverter: public Converter
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{
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public:
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CompositeConverter(const ConverterList& cvt): cvt_(cvt) {}
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CompositeConverter(ConverterList& cvt) { cvt_.swap(cvt); }
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virtual ~CompositeConverter() {}
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virtual Value convert(const Value& src) const
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{
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Value accum(src);
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for (ConverterList::const_iterator i=cvt_.begin(); i!=cvt_.end(); ++i)
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accum = (*i)->convert(accum);
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return accum;
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}
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private:
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ConverterList cvt_;
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};
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template<typename S, typename D>
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struct StaticConverter: Converter
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{
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virtual ~StaticConverter() {}
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virtual Value convert(const Value& src) const
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{
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return static_cast<D>(variant_cast<S>(src));
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}
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};
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template<typename S, typename D>
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struct DynamicConverter: Converter
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{
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virtual ~DynamicConverter() {}
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virtual Value convert(const Value& src) const
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{
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return dynamic_cast<D>(variant_cast<S>(src));
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}
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};
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template<typename S, typename D>
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struct ReinterpretConverter: Converter
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{
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virtual ~ReinterpretConverter() {}
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virtual Value convert(const Value& src) const
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{
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return reinterpret_cast<D>(variant_cast<S>(src));
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}
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};
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}
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#endif
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