root/OpenSceneGraph/trunk/include/osgSim/ShapeAttribute @ 13041

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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2007 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
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
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGSIM_SHAPEATTRIBUTE
15#define OSGSIM_SHAPEATTRIBUTE 1
16
17#include <osg/Object>
18#include <osg/MixinVector>
19
20#include <osgSim/Export>
21
22namespace osgSim
23{
24
25class OSGSIM_EXPORT ShapeAttribute
26{
27    public:
28        /// ShapeAttribute data type.
29        enum Type
30        {
31            UNKNOWN,
32            INTEGER,
33            DOUBLE,
34            STRING
35        };
36
37        ShapeAttribute();
38        ShapeAttribute(const char * name);
39        ShapeAttribute(const char * name, int value);
40        ShapeAttribute(const char * name, double value);
41
42        /** Note, ShapeAttribute takes a copy of both name and value, the calling code should manage its own clean up of the original strings.*/
43        ShapeAttribute(const char * name, const char * value);
44
45        ShapeAttribute(const ShapeAttribute & sa);
46
47        ~ShapeAttribute();
48
49        ShapeAttribute& operator = (const ShapeAttribute& sa);
50
51        /** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
52        int compare(const osgSim::ShapeAttribute& sa) const;
53
54        inline bool operator == (const osgSim::ShapeAttribute& sa) const { return compare(sa)==0; }
55        inline bool operator != (const osgSim::ShapeAttribute& sa) const { return compare(sa)!=0; }
56        inline bool operator <  (const osgSim::ShapeAttribute& sa) const { return compare(sa)<0; }
57
58        /// Get the attribute name.
59        const std::string & getName() const { return _name; }
60
61        /// Set the attribute name.
62        void setName(const std::string& name) { _name = name; }
63
64        /// Get the attribute data type.
65        const Type getType() const { return _type; }
66
67        /// Get the attribute data as an int.
68        int getInt() const { return _integer; }
69
70        /// Get the attribute data as a double.
71        double getDouble() const { return _double; }
72
73        /// Get the attribute data as a string.
74        const char * getString() const { return _string; }
75
76        /// Set an integer attribute data.
77        void setValue(int value) { free(); _type = INTEGER; _integer = value; }
78
79        /// Set a double attribute data.
80        void setValue(double value) { free(); _type = DOUBLE; _double = value; }
81
82        /// Set a string attribute data.
83        void setValue(const char * value);
84
85
86    private:
87
88        void free();
89        void copy(const ShapeAttribute& sa);
90
91        std::string _name;
92        Type _type;
93
94        union
95        {
96            int _integer;
97            double _double;
98            char* _string;
99        };
100};
101
102class OSGSIM_EXPORT ShapeAttributeList : public osg::Object, public osg::MixinVector<ShapeAttribute>
103{
104    public:
105        META_Object(osgSim, ShapeAttributeList)
106
107        ShapeAttributeList():
108            Object()
109        {}
110
111        /** Copy constructor, optional CopyOp object can be used to control
112          * shallow vs deep copying of dynamic data.*/
113        ShapeAttributeList(const ShapeAttributeList& sal,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
114            osg::Object(sal, copyop),
115            osg::MixinVector<ShapeAttribute>(sal)
116        {
117        }
118
119        /** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
120        virtual int compare(const osgSim::ShapeAttributeList& sal) const;
121
122    protected:
123        virtual ~ShapeAttributeList() {}
124};
125
126}
127
128#endif // ** SHAPEATTRIBUTE_ ** //
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