xml抽象

#include<string>

using namespace std;

class Content

{

    public:

        string flag;

    public:

        virtual string getContent(){}

        virtual void setContent(){}

        virtual string toString1(){}

        virtual string toString2(){}

        virtual void show(){}

};

#include<cstdio>

#include<vector>

#include"Content.h"

#include"Text.h"

using namespace std;

class Element: public Content

{

    private:

        string name;

        vector<Content *> contents;

    public:

        Element(){this->flag = "Element";}

        Element(string name){this->name = name; this->flag = "Element";}

        virtual void setContent(string name) { this->name = name;}

        virtual string getContent(){ return this->name ;}

        virtual string toString1();

        virtual string toString2();

        Element* addElement(string name);

        void addText(string text);

        void show();

};

Element* Element:: addElement(string name)

{

    Element *element =  new Element(name);

    this->contents.push_back(element);

    return element;

}

void Element:: addText(string text)

{

    Text *t = new Text(text);

    this->contents.push_back(t);

}

string Element:: toString1()

{

    string str = "\n<" + this->name + ">";

    return str;

}

string Element:: toString2()

{

    string str = "</" + this->name + ">\n";

    return str;

}

void Element:: show()

{

    int len = this->contents.size();

    cout <<this->toString1();

    for(int i = 0 ; i < len ; ++ i)

    {

        if(this->contents[i]->flag == "Element" )

        {

            this->contents[i]->show();

           // cout << this->contents[i]->toString2();

        }

        else

        {

            cout << this->contents[i]->toString1();

        }

    }

    cout <<this->toString2();

    delete this;

}

#include<iostream>

using namespace std;

class Text: public Content

{

    private:

        string text;

    public :

        Text(){this->flag = "Text";}

        Text(string text){this->text = text ; this->flag = "Text";}

        virtual string getContent(){return this->text;}

        virtual void setContent(string text){this->text = text;};

        virtual string toString1();

        virtual string toString2(){}

};

string Text:: toString1()

{

    return this->text;

}

#include"Element.h"

using namespace std;

int main()

{

    Element *book = new Element("book");

    Element *title = book->addElement("title");

    title->addText("java");

    Element *des = book->addElement("describe");

    Element *author = des->addElement("author");

    Element *age = author->addElement("age");

    age->addText("22");

    Element *name = author->addElement("name");

    name->addText("wanbo");

    Element *price = book->addElement("price");

    price->addText("12.5");

    book->show();

    return 0;

}