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46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
#ifndef VISITOR_H
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#define VISITOR_H
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#include <string>
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// Forward declare different kind of Node
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class Node;
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class Group;
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class Switch;
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class Primitive;
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class Scene;
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class ImageSurface;
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class MediaSurface;
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class LineStrip;
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class LineSquare;
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class LineCircle;
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class Mesh;
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class MediaPlayer;
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class Shader;
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class ImageShader;
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// Declares the interface for the visitors
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class Visitor {
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public:
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// Declare overloads for each kind of Node to visit
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virtual void visit(Scene& n) = 0;
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virtual void visit(Node& n) = 0;
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virtual void visit(Group& n) = 0;
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virtual void visit(Switch& n) = 0;
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virtual void visit(Primitive& n) = 0;
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virtual void visit(ImageSurface& n) = 0;
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virtual void visit(MediaSurface& n) = 0;
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virtual void visit(LineStrip& n) = 0;
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virtual void visit(LineSquare& n) = 0;
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virtual void visit(LineCircle& n) = 0;
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virtual void visit(Mesh& n) = 0;
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virtual void visit(MediaPlayer& n) = 0;
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virtual void visit(Shader& n) = 0;
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virtual void visit(ImageShader& n) = 0;
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};
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#endif // VISITOR_H
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