2 курс. Программирование на C++. Турнир 2, осень 2021

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5788086

Пользователь

Кузьмин Павел Владимирович

Время

23:16<< 16.11.2021 23:19 (27 д. 21:20) 23:22>>

Обработка

23:19 ... 23:19 (2,03 сек.)

Файл

5788086.cpp (CLang++ 5.0.0 + Address Sanitizer)

Турнир

2 курс. Программирование на C++. Турнир 2, осень 2021

Задача

C: Smart Pointer

Набор тестов

Ограничения

Время: 25с Память: 512Мб

Состояние [?]

LI	Ошибка проверки исходного кода

код | результаты

SmartPointer.hpp:13:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:18:  Do not indent within a namespace  [runtime/indentation_namespace] [4]
SmartPointer.hpp:20:  public: should be indented +1 space inside class SmartPointer  [whitespace/indent] [3]
SmartPointer.hpp:20:  "public:" should be preceded by a blank line  [whitespace/blank_line] [3]
SmartPointer.hpp:107:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
SmartPointer.hpp:113:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
SmartPointer.hpp:126:  private: should be indented +1 space inside class SmartPointer  [whitespace/indent] [3]
SmartPointer.hpp:128:  public: should be indented +1 space inside class Core  [whitespace/indent] [3]
SmartPointer.hpp:141:  Namespace should be terminated with "// namespace smart_pointer"  [readability/namespace] [5]
Done processing SmartPointer.hpp
Total errors found: 9

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≡

//
// Created by Lenovo on 16.11.2021.
//

#ifndef SMARTPOINTER_HPP
#define SMARTPOINTER_HPP
#pragma once

#include <memory>
#include "Test.hpp"

namespace smart_pointer {
    class exception : std::exception {
        using base_class = std::exception;
        using base_class::base_class;
    };
    template<typename T, typename Allocator>
    class SmartPointer {
        ENABLE_CLASS_TESTS;
    public:
        using value_type = T;

explicit SmartPointer(value_type *x = nullptr) {
            if (x == nullptr) {
                this->core = nullptr;
            } else {
                this->core = new Core();
                core->info = x;
                core->cnt = 1;
            }
        }
        SmartPointer(const SmartPointer &x) {
            this->core = x.core;
            if (x.core != nullptr) {
                core->cnt++;
            }
        }
        SmartPointer(SmartPointer &&x) {
            this->core = x.core;
            x.core = nullptr;
        }
        SmartPointer &operator=(const SmartPointer &x) {
            remove();
            this->core = x.core;
            if (x.core != nullptr) {
                core->cnt++;
            }
            return *this;
        }
        SmartPointer &operator=(SmartPointer &&x) {
            remove();
            this->core = x.core;
            x.core = nullptr;
            return *this;
        }
        SmartPointer &operator=(value_type *x) {
            remove();
            if (x != nullptr) {
                this->core = new Core();
                core->info = x;
                core->cnt = 1;
            } else {
                this->core = nullptr;
            }
            return *this;
        }
        void remove() {
            if (core != nullptr) {
                core->cnt -= 1;
                if (core->cnt == 0) {
                    delete (core);
                }
            }
        }
        ~SmartPointer() { remove(); }
        value_type &operator*() {
            if (core == nullptr) {
                throw smart_pointer::exception();
            } else {
                return *(core->info);
            }
        }
        const value_type &operator*() const {
            if (core == nullptr) {
                throw smart_pointer::exception();
            } else {
                return *(core->info);
            }
        }
        value_type *operator->() const {
            if (core == nullptr) {
                return nullptr;
            } else {
                return core->info;
            }
        }
        value_type *get() const {
            if (core == nullptr) {
                return nullptr;
            } else {
                return core->info;
            }
        }
        operator bool() const { return core != nullptr; }

template<typename U, typename AnotherAllocator>
        bool operator==(const SmartPointer<U, AnotherAllocator> &pointer) const {
            return static_cast<void *>(this->get()) ==
                   static_cast<void *>(pointer.get());
        }

template<typename U, typename AnotherAllocator>
        bool operator!=(const SmartPointer<U, AnotherAllocator> &pointer) const {
            return static_cast<void *>(this->get()) !=
                   static_cast<void *>(pointer.get());
        }

std::size_t count_owners() const {
            if (core != nullptr) {
                return core->cnt;
            } else {
                return 0;
            }
        }

private:
        class Core {
        public:
            size_t cnt;
            value_type *info;

~Core() {
                Allocator allocator;
                allocator.deallocate(info, sizeof(value_type));
                info = nullptr;
            }
        };

Core *core;
    };
}

#endif

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