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

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5788125

Пользователь

Кузьмин Павел Владимирович

Время

23:19<< 16.11.2021 23:22 (27 д. 21:22) 23:24>>

Обработка

23:22 ... 23:22 (2,37 сек.)

Файл

5788125.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: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: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: 5

[печатать | | ]

≡

//
// 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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0.108s 0.011s 10