#include <iostream>
#include <string>
#include <vector>
#include <fstream>
#include <map>

using namespace std;

struct Element {
    string nodeName;
    string nodeValue;
    vector<Element> childNodes;
    string innerHTML() {
        string temp;
        temp += "<";
        temp += Element::nodeName;
        if ( Element::nodeName != "#text") {
            for ( map<string,string>::const_iterator i = Element::attributes.begin(); i != Element::attributes.end(); ++i ) {
                temp += " ";
                temp += i->first;
                temp += "=\"";
                temp += i->second;
                temp += "\"";
            }
        }
        temp += ">";
        if ( !Element::childNodes.empty() ) {
            for ( size_t i = 0; i < childNodes.size(); ++i ) {
                if ( childNodes[i].nodeName != "#text" ) {
                    temp += childNodes[i].innerHTML();
                } else {
                    temp += childNodes[i].nodeValue;
                }
            }
            temp += "</";
            temp += Element::nodeName;
            temp += ">";
        }
        return temp;
    }
    map<string,string> attributes;
    void setAttribute( const string& name, const string& value ) {
        attributes[ name ] = value;
    }
    string getAttribute( const string& name ) {
        return attributes[name];
    }
    void appendChild( Element e ) {
        Element::childNodes.push_back( e );
    }
};

static struct Document {
    Element documentElement;
    Element body;
    Element createElement(const string& e ) {
        Element temp;
        temp.nodeName = e;
        return temp;
    }
    Element createTextNode(const string& t ) {
        Element temp;
        temp.nodeName = "#text";
        temp.nodeValue = t;
        return temp;
    }
} document;

static struct Navigator {
    string userAgent;
} navigator;

static struct Window {
    Navigator navigator;
    Document document;
} window;

void alert ( const string& s ) {
    cout << s << endl;
}

typedef Element TextNode;

int main() {
    /* generating the document */
    navigator.userAgent = "Opera";
    Element documentElement = document.createElement("html");
            documentElement.setAttribute("lang", "en");
    
    Element head = document.createElement("head");
    
    Element title = document.createElement("title");
            title.appendChild( document.createTextNode("C++ HTML") );
    
    head.appendChild( title );
    
    documentElement.appendChild( head );
    
    Element body = document.createElement("body");

    Element div = document.createElement("div");
            div.setAttribute("id", "main");
            div.appendChild( document.createTextNode( "This the first child text node of the div" ) );
    
    Element div2 = document.createElement("div");
            div2.appendChild( document.createTextNode( "This a child text node of the nested div" ) );
    
    Element button = document.createElement("button");
            button.appendChild( document.createTextNode("Go") );
    
    div2.appendChild( button );
    div.appendChild( div2 );
    div.appendChild( document.createTextNode( "This is the last child, which is a text node, of the div") );
    
    Element p = document.createElement("p");
            p.appendChild( document.createTextNode("This is a paragraph") );
    
    body.appendChild( div );
    body.appendChild( p );
    
    Element input = document.createElement("input");
            input.setAttribute("type", "text");
            input.setAttribute("value", "45");
    
    body.appendChild( input );
    
    documentElement.appendChild( body );
    document.documentElement = documentElement;
    window.navigator = navigator;
    window.document = document;
    document.body = document.documentElement.childNodes[1];
    /* done generating */
    
    //alert( document.documentElement.childNodes[1].childNodes[0].childNodes[0].nodeValue );
    //alert( document.body.nodeName );
    alert( document.documentElement.innerHTML() );
    //alert( document.documentElement.getAttribute("lang") );
    //alert( document.documentElement.attributes["lang"] );
    //alert( document.documentElement.attributes.begin()->first );
    //alert( document.documentElement.attributes.begin()->second );
    
}