1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* 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
* OpenSceneGraph Public License for more details.
*/
//osgIntrospection - Copyright (C) 2005 Marco Jez
#ifndef OSGINTROSPECTION_CONVERTER_
#define OSGINTROSPECTION_CONVERTER_
#include <osgIntrospection/Value>
#include <list>
namespace osgIntrospection
{
struct Converter
{
virtual CastType getCastType() const = 0;
virtual Value convert(const Value& ) const = 0;
virtual ~Converter() {}
};
typedef std::list<const Converter* > ConverterList;
class CompositeConverter: public Converter
{
public:
CompositeConverter(const ConverterList& cvt): cvt_(cvt) {}
CompositeConverter(ConverterList& cvt) { cvt_.swap(cvt); }
virtual ~CompositeConverter() {}
virtual Value convert(const Value& src) const
{
Value accum(src);
for (ConverterList::const_iterator i=cvt_.begin(); i!=cvt_.end(); ++i)
accum = (*i)->convert(accum);
return accum;
}
virtual CastType getCastType() const { return COMPOSITE_CAST; }
private:
ConverterList cvt_;
};
template<typename S, typename D>
struct StaticConverter: Converter
{
virtual ~StaticConverter() {}
virtual Value convert(const Value& src) const
{
return static_cast<D>(variant_cast<S>(src));
}
virtual CastType getCastType() const { return STATIC_CAST; }
};
template<typename S, typename D>
struct DynamicConverter: Converter
{
virtual ~DynamicConverter() {}
virtual Value convert(const Value& src) const
{
return dynamic_cast<D>(variant_cast<S>(src));
}
virtual CastType getCastType() const { return DYNAMIC_CAST; }
};
template<typename S, typename D>
struct ReinterpretConverter: Converter
{
virtual ~ReinterpretConverter() {}
virtual Value convert(const Value& src) const
{
return reinterpret_cast<D>(variant_cast<S>(src));
}
virtual CastType getCastType() const { return REINTERPRET_CAST; }
};
}
#endif
|
