st1.cpp - master - nanezz/st1

st1.cpp
103 строки2 KB
nanezz
Create: st1.slnx, st1.cpp
02 авг 2026, 18:21
02 авг 2026, 18:21239a185
#include <string>
#include <iostream>
#include <algorithm>

class SimpleText
{
public:
    virtual void render(const std::string& data) const
    {
        std::cout << data;
    }
};

class DecoratedText : public SimpleText
{
public:
    SimpleText* _text_;
    DecoratedText(SimpleText* text) : _text_(text) {}
};

class ItalicText : public DecoratedText
{
public:
    ItalicText(SimpleText* text) : DecoratedText(text) {}
    void render(const std::string& data) 
    {
        std::cout << "<i>";
        _text_->render(data);
        std::cout << "</i>";
    }
};

class BoldText : public DecoratedText
{
public:
    BoldText(SimpleText* text) : DecoratedText(text) {}
    void render(const std::string& data) 
    {
        std::cout << "<b>";
        _text_->render(data);
        std::cout << "</b>";
    }
};

class Paragraph : public DecoratedText
{
public:
    Paragraph(SimpleText* text) : DecoratedText(text) {}
    void render(const std::string& data) 
    {
        std::cout << "<p>";
        _text_->render(data);
        std::cout << "</p>";
    }
};

class Reversed : public DecoratedText
{
public:
    Reversed(SimpleText* text) : DecoratedText(text) {}
    void render(const std::string& data) 
    {
        std::string reversed = data;
        std::reverse(reversed.begin(), reversed.end());
        _text_->render(reversed);
    }
};

class Link : public DecoratedText
{
public:
    Link(SimpleText* text) : DecoratedText(text) {}
    void render(const std::string& href, const std::string& data)
    {
        std::cout << "<a href=" << href << ">";
        _text_->render(data);
        std::cout << "</a>";
    }
};

int main()
{
    auto text = new SimpleText();

    auto paragraph = new Paragraph(text);
    paragraph->render("Hello world");
    std::cout << std::endl;

    auto reversed = new Reversed(text);
    reversed->render("Hello world");
    std::cout << std::endl;

    auto link = new Link(text);
    link->render("netology.ru", "Hello world");
    std::cout << std::endl;

    delete link;
    delete reversed;
    delete paragraph;
    delete text;

    return 0;
}