Лазуткин М.К. 2

task2/figures.cpp

@@ -1,85 +1,14 @@
-#pragma once
-
-#include <memory>
-#include <stdexcept>
-#include <cmath>
-
-enum class FigureType
-{
-    TRIANGLE,
-    CIRCLE,
-    RECTANGLE,
-};
-
-class Figure {
-public:
-    virtual FigureType Type() const = 0;
-    virtual double Perimeter() const = 0;
-    virtual double Area() const = 0;
-    virtual ~Figure() = default; // Виртуальный деструктор
-};
-
-class Rect : public Figure {
-public:
-    Rect(double width, double height) : width(width), height(height) {}
-
-    FigureType Type() const override { return FigureType::RECTANGLE; }
-    double Perimeter() const override { return 2 * (width + height); }
-    double Area() const override { return width * height; }
-
-private:
-    double width;
-    double height;
-};
-
-class Triangle : public Figure {
-public:
-    Triangle(double a, double b, double c) : a(a), b(b), c(c) {
-        if (a <= 0 || b <= 0 || c <= 0) {
-            throw LessThanZeroParam("Sides must be greater than zero");
-        }
-        if (a + b <= c || a + c <= b || b + c <= a) {
-            throw WrongTriangle("Invalid triangle sides");
-        }
-    }
-
-    FigureType Type() const override { return FigureType::TRIANGLE; }
-    double Perimeter() const override { return a + b + c; }
-    double Area() const override {
-        double s = Perimeter() / 2;
-        return std::sqrt(s * (s - a) * (s - b) * (s - c));
+#include "figures.hpp"
+
+std::unique_ptr<Figure> make_figure(FigureType type, double a, double b, double c) {
+    switch (type) {
+        case FigureType::TRIANGLE:
+            return std::make_unique<Triangle>(a, b, c);
+        case FigureType::CIRCLE:
+            return std::make_unique<Circle>(a);
+        case FigureType::RECTANGLE:
+            return std::make_unique<Rect>(a, b);
+        default:
+            throw std::invalid_argument("Unknown figure type");
     }
-
-private:
-    double a;
-    double b;
-    double c;
-};
-
-class Circle : public Figure {
-public:
-    Circle(double radius) : radius(radius) {
-        if (radius <= 0) {
-            throw LessThanZeroParam("Radius must be greater than zero");
-        }
-    }
-
-    FigureType Type() const override { return FigureType::CIRCLE; }
-    double Perimeter() const override { return 2 * PI * radius; }
-    double Area() const override { return PI * radius * radius; }
-
-private:
-    double radius;
-};
-
-std::unique_ptr<Figure> make_figure(FigureType type, double a, double b = 0, double c = 0);
-
-class WrongTriangle : public std::invalid_argument {
-public:
-    explicit WrongTriangle(const std::string& message) : std::invalid_argument(message) {}
-};
-
-class LessThanZeroParam : public std::invalid_argument {
-public:
-    explicit LessThanZeroParam(const std::string& message) : std::invalid_argument(message) {}
-};
+}