xml.cpp

电力故障信息采集,主要是针对南自的保护装置,这个程序用在Linux操作系统下

            {
                QDomNode child_second = child_first.GetChildNode(nSecond);
                if (! child_second.IsValidNode())
                {
                    return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
                }

                int nMatchCount = 0;
                for (int nAttri=0; nAttri<child_second.GetAttributeCount(); nAttri++)
                {
                    IEXMLAttribute attri = child_second.GetAttribute(nAttri);
                    if (! attri.IsValidAttribute())
                    {
                        return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
                    }

                    string strName = attri.GetName();
                    string strValue= attri.GetValue();

                    for (unsigned int uVector = 0 ; uVector<aryAttri.size(); uVector++)
                    {
                        ATTRI_PART& attri_part = aryAttri[uVector];
                        if (     0 == strcmp_lower(attri_part.strName, strName)
                            && 0 == strcmp_lower(attri_part.strValue, strValue))
                        {
                            nMatchCount++;
                            break;
                        }
                    }
                }

                if (nMatchCount == (int)aryAttri.size())
                    return child_second;
            }
        }
    }

    return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
}

QDomNode CXMLReader::GetDomNodex(const QString& qstrParentName, const char* pszChildName, ...)
{
    //= 兼容定义
    const char* pszParentName = qstrParentName.data();
    //=

    vector<ATTRI_PART> aryAttri;
    va_list args;
    
    va_start(args, pszChildName);
    string strChildName = pszChildName;
    
	char* pszAttriValue = NULL;
    char* pszAttriName = va_arg(args,char*);
	
	if (pszAttriName != NULL)
	    pszAttriValue = va_arg(args,char*);
    
    while (pszAttriName &&pszAttriValue)
    {
        struct ATTRI_PART attri;
        attri.strName = pszAttriName;
        attri.strValue= pszAttriValue;
        aryAttri.push_back(attri);
        
        pszAttriName    = va_arg(args,char*);
        pszAttriValue = va_arg(args,char*);
    }
    va_end(args);
    
    //查找接点
    QDomNode root = m_DocXML.GetRootNode();
    if (! root.IsValidNode())
    {
        return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
    }
	//cout << "根节点的子接点数目:" << root.GetChildCount() <<endl;
    for (int nFirst=0; nFirst<root.GetChildCount(); nFirst++)
    {
        QDomNode child_first = root.GetChildNode(nFirst);
        if (! child_first.IsValidNode())
        {
            return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
        }
        
        // 匹配父节点名称
        string strName = child_first.GetName();
        if (0 != strcmp_lower(pszParentName, strName))
            continue;
		//cout << "子节点)"<<child_first.GetName()<<") 的子接点数目:" << child_first.GetChildCount() <<endl;
        for (int nSecond=0; nSecond<child_first.GetChildCount(); nSecond++)
        {
            QDomNode child_second = child_first.GetChildNode(nSecond);
            if (! child_second.IsValidNode())
            {
			//	cout << "--------------first-------------------"<<endl;
                return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
            }

            // 匹配子节点名称
            string strName = child_second.GetName();
			//cout <<"===============================" <<endl;
			//cout << "子节点名称:" << strName.c_str() <<endl;
			//cout <<"===============================" <<endl;
			int n = strcmp_lower(pszChildName, strName);n=n;
//			printf("n==%d\n", n);
//			cout <<"比较大小:" << strcmp_lower(pszChildName, strName) <<endl;
            if (0 != strcmp_lower(pszChildName, strName))
			{
			//	cout << "--------------second-------------------"<<endl;
                continue;
			}
            //cout << "--------------third-------------------"<<endl;
            // 匹配属性名称及属性值
            int nMatchCount = 0;
			//cout << "属性数目:" << child_second.GetAttributeCount() <<endl;
            for (int nAttri=0; nAttri<child_second.GetAttributeCount(); nAttri++)
            {
                IEXMLAttribute attri = child_second.GetAttribute(nAttri);
  				//cout << "属性名称:" << attri.GetName() << "\t属性值:" <<attri.GetValue()<< endl;  
                if (! attri.IsValidAttribute())
                {
                    return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
                }
                
                string strName = attri.GetName();
                string strValue= attri.GetValue();
  				//cout << "属性名称:" << strName << "\t属性值:" <<strValue<< endl;              
                for (unsigned int uVector=0; uVector<aryAttri.size(); uVector++)
                {
                    ATTRI_PART& attri_part = aryAttri[uVector];
                    if (     0 == strcmp_lower(attri_part.strName, strName)
                            && 0 == strcmp_lower(attri_part.strValue, strValue))
                    {
                        nMatchCount++;
                        break;
                    }
                }
            }
            
            if (nMatchCount == (int)aryAttri.size())
                return child_second;
        }
    }
    
    return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
}

QDomNode CXMLReader::GetChildNode(QDomNode& node, const char* pszChildName, ...)
{
    vector<ATTRI_PART> aryAttri;
    va_list args;
    
    va_start(args, pszChildName);
    string strChildName = pszChildName;
    
    char* pszAttriName    = va_arg(args,char*);
    char* pszAttriValue = va_arg(args,char*);
    
    while (pszAttriName &&pszAttriValue)
    {
        struct ATTRI_PART attri;
        attri.strName = pszAttriName;
        attri.strValue= pszAttriValue;
        aryAttri.push_back(attri);
        
        pszAttriName    = va_arg(args,char*);
        pszAttriValue = va_arg(args,char*);
    }
    va_end(args);
    
    //查找接点
    if (! node.IsValidNode())
    {
		cout<<"QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE)----------1\n";
        return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
    }
//	cout << "子节点数目为:"<< node.GetChildCount() <<endl;
    for (int nChild=0; nChild<node.GetChildCount(); nChild++)
    {
        QDomNode child = node.GetChildNode(nChild);
        if (! child.IsValidNode())
        {
			cout<<"QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE)----------2\n";
            return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
        }
        
        // 匹配父节点名称
        string strName = child.GetName();
//		cout<<strChildName<<"\tcompare\t"<<strName<<endl;
        if (0 != strcmp_lower(strName, strChildName))
		{
//			cout << "两者不等=================\n";
            continue;
		}
	//HYK added
		if(0==aryAttri.size())
			return child;
        // 匹配属性名称及属性值
        int nMatchCount = 0;
//		cout<<"属性数目为:attr count="<<child.GetAttributeCount()<<endl;
        for (int nAttri=0; nAttri<child.GetAttributeCount(); nAttri++)
        {
            IEXMLAttribute attri = child.GetAttribute(nAttri);
            if (! attri.IsValidAttribute())
            {
                return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
            }
            
            string strName = attri.GetName();
            string strValue= attri.GetValue();

            for (unsigned int uVector=0; uVector<aryAttri.size(); uVector++)
            {
                ATTRI_PART& attri_part = aryAttri[uVector];
                if (     0 == strcmp_lower(attri_part.strName, strName)
                    && 0 == strcmp_lower(attri_part.strValue, strValue))
                {
                    nMatchCount++;
                    break;
                }
            }
        }
        //HYK modified
        if (nMatchCount == (int)aryAttri.size())
            return child;
    }
//    cout<<"QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE)----------3\n";
    return QDomNode((EXML_HANDLE)EXML_INVALID_HANDLE);
}
//==================================================================================================//
//= End: 兼容老版本接口：与老版本程序接口名称及参数保持一致
//==================================================================================================//


bool CXMLReader::GetAttributeValue(QDomNode& node, const char* pszAttriName, QString& qstrAttriValue)
{
    if (! node.IsValidNode())
    {
        return false;
    }
	
    for (int nAttri=0; nAttri<node.GetAttributeCount(); nAttri++)
    {
        IEXMLAttribute attri = node.GetAttribute(nAttri);
        string strName = attri.GetName();
        
        if (0 == strcmp_lower(pszAttriName, strName))
        {
            qstrAttriValue = attri.GetValue();
            return true;
        }
    }

    return false;
}

bool CXMLReader::GetAttributeValue(QDomNode& node, const char* pszAttriName, int& nAttrValue)
{
    QString strAttriValue;
    if ( GetAttributeValue(node, pszAttriName, strAttriValue) )
    {
        nAttrValue = strAttriValue.toInt();
        return true;
    }

    return false;
}

int CXMLReader::GetChildNodeCount(QDomNode& node)
{
    if (! node.IsValidNode())
        return 0;

    return node.GetChildCount();
}


QDomNode CXMLReader::InsertNode(const char* pszParentName, const char* pszChildName)
{
    QDomNode root = m_DocXML.GetRootNode();
    if (! root.IsValidNode())
        return false;
    
    m_Mutex.lock();
    for (int nNode=0; nNode<root.GetChildCount(); nNode++)
    {
        QDomNode child = root.GetChildNode(nNode);

        if (child.IsValidNode())
        {
            string strName = child.GetName();
            if (0 == strcmp_lower(pszParentName, strName))
            {
                QDomNode node(pszChildName, "");
                child.AddChild(&node);

                m_Mutex.unlock();
                return true;
            }
        }
    }
    
    m_Mutex.unlock();

    return false;
}

//在DomNode节点的最后插入子节点szChildName,返回新插入子节点的指针
QDomNode CXMLReader::InsertChildNode(QDomNode& node, const char* pszChildName)
{
    if (! node.IsValidNode())
        return false;

    m_Mutex.lock();

    QDomNode child(pszChildName, "");
    node.AddChild(&child);

    m_Mutex.unlock();

    return child;
}

//在Node节点中添加或修改属性szAttrName,值为szAttrValue
bool CXMLReader::InsertAttribute(QDomNode& node, const char* pszAttriName, const char* pszAttriValue)
{
    if (! node.IsValidNode())
        return false;

    m_Mutex.lock();
    
    IEXMLAttribute attri(pszAttriName, pszAttriValue);
    node.AddAttribute(&attri);

    m_Mutex.unlock();
    
    return true;
}