TinyXml op by C++

TinyXML is a simple, small, C++ XML parser that can be easily integrated into other programs.

TinyXML SourceCode: http://sourceforge.net/projects/tinyxml/

TinyXML只需要通过first child和next sibling进行创建Dom树。然后通过用根节点的指针为起点进行遍历整棵树。

下面是一段自己操作XML的代码。(C++)

typedef struct QueueInfo* pQueueInfo;
struct QueueInfo {
    int m_iQueueId;
    char m_chQueueIp[20];
    int m_iQueuePort;
    vector<int> m_vctDataType;
};

typedef struct ServerInfo* pServerInfo;
struct ServerInfo {
    string m_mongoIp;
    int m_mongoPort;
    string m_mongoDBName;
    double m_mongoTimeout;
    string m_logPrefix;
    string m_logDir;

    string m_queServerIp;
    int m_queServerPort;
    int m_queServerId;
    int m_queServerCount;
    int m_queServerDid;

    vector<QueueInfo> m_vctQueueInfo;
};

class ServerConf{
    public:
    
    bool ReadXmlCfg(const char* _path, pServerInfo _pSI);
};

bool ServerConf::ReadXmlCfg(const char* _path, pServerInfo _pSI) {
    TiXmlDocument* myDocument = new TiXmlDocument(_path);
    if (NULL == myDocument) {
        AC_ERROR("Can't init %s", _path);
        return false;
    }
    myDocument->LoadFile();
    TiXmlElement* pRoot = myDocument->RootElement();
     if (NULL == pRoot) {
        AC_ERROR("Can't init Xml root");
        return false;
    }
    //读取MongoServer
    TiXmlElement* pMongo = pRoot->FirstChildElement("MongoDBServerCfg");
    if(NULL == pMongo) {
        AC_ERROR("Can't find QueueServiceCfg");
        return false;
    }
    _pSI->m_mongoIp = pMongo->Attribute("serverIp");
    _pSI->m_mongoPort = atol(pMongo->Attribute("serverPort"));
    _pSI->m_mongoDBName = pMongo->Attribute("dbName");
    _pSI->m_mongoTimeout = atol(pMongo->Attribute("timeout"));

    //读取QueueServer
    TiXmlElement* pQueues = pMongo->NextSiblingElement("QueueServerCfg");
    if(NULL == pQueues)
    {   
        AC_ERROR("Can't find QueueServiceCfg"); 
        return false;
    }   

    _pSI->m_queServerIp = pQueues->Attribute("serverIp");
    _pSI->m_queServerPort = atol(pQueues->Attribute("serverPort"));
    _pSI->m_queServerId = atol(pQueues->Attribute("id"));
    _pSI->m_queServerCount = atol(pQueues->Attribute("count"));
    _pSI->m_queServerDid = atol(pQueues->Attribute("did"));

    /*循环取出队列配置*/
    TiXmlElement* pQueueChild = pQueues->FirstChildElement("queueCfg");
    while (NULL != pQueueChild) {
        struct QueueInfo QIobj;
        QIobj.m_iQueueId = atoi(pQueueChild->Attribute("id"));  /*id*/ 
        memcpy(QIobj.m_chQueueIp, pQueueChild->Attribute("ip"), strlen(pQueueChild->Attribute("ip")));  /*ip*/
        QIobj.m_iQueuePort = atoi(pQueueChild->Attribute("port"));   /*port*/
        char* strBuf = NULL;
        char* strToken;
        const char* str = pQueueChild->Attribute("dataType");   /*dataType*/
        string strDataType(str);
        strToken = strtok_r(&strDataType[0],",",&strBuf);
        while (strToken != NULL)
        {
            QIobj.m_vctDataType.push_back(atoi(strToken));
            strToken = strtok_r(NULL,",",&strBuf);
        }
        _pSI->m_vctQueueInfo.push_back(QIobj);
        pQueueChild = pQueueChild->NextSiblingElement("queueCfg");
    }

    delete myDocument;

    return true;
}

原文链接： http://blog.csdn.net/crazyjixiang/article/details/7035010