#include "stdafx.h"

#include "stdlib.h"

#include <iostream>

//下面三个文件是本段代码需要的库文件

#include "rapidxml/rapidxml.hpp"

#include "rapidxml/rapidxml_utils.hpp"

#include "rapidxml/rapidxml_print.hpp"

int CreateXml();

int ReadAndChangeXml();

int _tmain(int argc, _TCHAR* argv[])

{

    //测试用例

    CreateXml();

    //测试用例

    ReadAndChangeXml();

    system("pause");

    return ;

}

//创建一个名称为config2.xml文件

int CreateXml()

{

    rapidxml::xml_document<> doc;

    rapidxml::xml_node<>* rot = doc.allocate_node(rapidxml::node_pi,doc.allocate_string("xml version='1.0' encoding='utf-8'"));

    doc.append_node(rot);

    rapidxml::xml_node<>* node = doc.allocate_node(rapidxml::node_element,"config","information");

    doc.append_node(node);

    rapidxml::xml_node<>* color = doc.allocate_node(rapidxml::node_element,"color",NULL);

    node->append_node(color);

    color->append_node(doc.allocate_node(rapidxml::node_element,"red","0.1"));

    color->append_node(doc.allocate_node(rapidxml::node_element,"green","0.1"));

    color->append_node(doc.allocate_node(rapidxml::node_element,"blue","0.1"));

    color->append_node(doc.allocate_node(rapidxml::node_element,"alpha","1.0"));

    rapidxml::xml_node<>* size = doc.allocate_node(rapidxml::node_element,"size",NULL);

    size->append_node(doc.allocate_node(rapidxml::node_element,"x",""));

    size->append_node(doc.allocate_node(rapidxml::node_element,"y",""));

    node->append_node(size);

    rapidxml::xml_node<>* mode = doc.allocate_node(rapidxml::node_element,"mode","screen mode");

    mode->append_attribute(doc.allocate_attribute("fullscreen","false"));

    node->append_node(mode);

    std::string text;

    rapidxml::print(std::back_inserter(text), doc, );

    std::cout<<text<<std::endl;

    std::ofstream out("../config/config1.xml");

    out << doc;

    return ;

}

//读取并修改config3.xml

int ReadAndChangeXml()

{

     rapidxml::file<> fdoc("../config/config2.xml");

     std::cout<<fdoc.data()<<std::endl;

     rapidxml::xml_document<> doc;

     doc.parse<>(fdoc.data());

     std::cout<<doc.name()<<std::endl;

     //! 获取根节点

     rapidxml::xml_node<>* root = doc.first_node();

    std::cout<<root->name()<<std::endl;

    //! 获取根节点第一个节点

    rapidxml::xml_node<>* node1 = root->first_node();

    std::cout<<node1->name()<<std::endl;

    rapidxml::xml_node<>* node11 = node1->first_node();

    std::cout<<node11->name()<<std::endl;

    std::cout<<node11->value()<<std::endl;

    //! 修改之后再次保存

    rapidxml::xml_node<>* size = root->first_node("size");

    size->append_node(doc.allocate_node(rapidxml::node_element,"w",""));

    size->append_node(doc.allocate_node(rapidxml::node_element,"h",""));

    std::string text;

    rapidxml::print(std::back_inserter(text),doc,);

   std::cout<<text<<std::endl;

   std::ofstream out("../config/config2.xml");

   out << doc;

   return ;

}