64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
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#ifndef VISITOR_HPP
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#define VISITOR_HPP
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#include <string>
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#include <iostream>
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#include <utility>
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class PartVisitor;
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// Abstract component
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class Part {
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public:
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Part(std::string name_, const float &price_) :
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name(std::move(name_)), price(price_) {}
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inline std::string getName() const { return name;}
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inline float getPrice() const { return price;}
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virtual void accept(PartVisitor *v) = 0;
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private:
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std::string name;
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float price;
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};
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/******************************************************************************/
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// Concrete components
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class Gear : public Part {
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public:
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Gear(const float &price_, const float &radius_) :
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Part("Gear", price_), radius(radius_) {}
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void accept(PartVisitor *v) override;
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inline float getRadius() const { return radius;}
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private:
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float radius;
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};
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class Spring : public Part {
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public:
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Spring(const float &price_, const float &elasticity_) :
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Part("Spring", price_), elasticity(elasticity_) {}
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void accept(PartVisitor *v) override;
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inline float getElasticity() const { return elasticity;}
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private:
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float elasticity;
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};
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/******************************************************************************/
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// Concrete visitors
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class PartVisitor {
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public:
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// Handle visiting different components accordingly
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virtual void visit(Gear *g);
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virtual void visit(Spring *g);
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};
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#endif // VISITOR_HPP
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