tinyxml安装和使用

/*!
*  /brief 打印xml文件。
*
*  /param XmlFile xml文件全路径。
*  /return 是否成功。true为成功，false表示失败。
*/
bool PaintXml(std::string XmlFile)
{
    // 定义一个TiXmlDocument类指针
    TiXmlDocument *pDoc = new TiXmlDocument();
    if (NULL==pDoc)
    {
        return false;
    }
    pDoc->LoadFile(XmlFile);
    pDoc->Print();
    return true;
}

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<SearchMode ModeCount="3">
    <Mode1 Name="Numbers" RECount="2" Space="110">
        <RE1>[0-9]{1,1}</RE1>
        <RE2>[0-9]{2,2}</RE2>
    </Mode1>
    <Mode2 Name="Lower_Case" RECount="3" Space="12356845">
        <RE1>[a-z]{3,3}</RE1>
        <RE2>[a-z]{4,4}</RE2>
        <RE3>[a-z]{5,5}</RE3>
    </Mode2>
    <Mode3 Name="Lower_Case_Num" RECount="4" Space="554433442">
        <RE1>[a-z0-9]{6,6}</RE1>
        <RE2>[a-z0-9]{7,7}</RE2>
        <RE3>[a-z0-9]{8,8}</RE3>
        <RE4>[a-z0-9]{9,9}</RE4>
    </Mode3>
</SearchMode>

 
bool GetNodePointerByName(TiXmlElement* pRootEle, const char* strNodeName, TiXmlElement* &destNode)
{  //根据结点名获取结点指针  
    // 假如等于根节点名，就退出   
    if (0 == strcmp(strNodeName, pRootEle->Value()))
    {
        destNode = pRootEle;
        return true;
    }

    TiXmlElement* pEle = pRootEle;
    for (pEle = pRootEle->FirstChildElement(); pEle; pEle = pEle->NextSiblingElement())
    {
        // 递归处理子节点，获取节点指针      
        if (0 != strcmp(pEle->Value(), strNodeName))
        {
            GetNodePointerByName(pEle, strNodeName, destNode);
        }
        else
        {
            destNode = pEle;
            printf("destination node name: %s\n", pEle->Value());
            return true;
        }
    }
    return false;
}
 
int readXmlFile()
{
    TiXmlDocument *pDoc = new TiXmlDocument();
    pDoc->LoadFile("xmlData.xml");
    TiXmlElement *RootElem = pDoc->RootElement();//root elem

    TiXmlElement *pEle = NULL;

    GetNodePointerByName(RootElem, "SearchMode", pEle);//找到值为searchmodes的节点
    if (!pEle)
    {
        cout << "can‘t find it" << endl;
        return 0;
    }
    else
        cout << "find it!" << endl;
    //遍历该节点
    for (TiXmlElement *curEle = pEle->FirstChildElement(); curEle; curEle = curEle->NextSiblingElement())
    {
        cout << "node:value:" << curEle->Value() << " ";
        
        TiXmlAttribute *pAttr = curEle->FirstAttribute();
        while (pAttr) //输出所有属性
        {
            cout << pAttr->Name() << ":" << pAttr->Value() << " ";
            pAttr = pAttr->Next();
        }

        cout << endl;
     
        for (TiXmlElement *regExElem = curEle->FirstChildElement(); regExElem; regExElem->NextSiblingElement()) //输出子元素的值
        {
            cout <<regExElem->FirstChild()->Value() << endl; 这块有问题，死循环
        }
     
    }
    delete pDoc;
    return 1;
}