C++ QDomElement::setAttributeNodeNS方法代码示例

QDomElement addCorrectNS(const QDomElement &e)
{
	int x;

	// grab child nodes
	/*QDomDocumentFragment frag = e.ownerDocument().createDocumentFragment();
	QDomNodeList nl = e.childNodes();
	for(x = 0; x < nl.count(); ++x)
		frag.appendChild(nl.item(x).cloneNode());*/

	// find closest xmlns
	QDomNode n = e;
	while(!n.isNull() && !n.toElement().hasAttribute("xmlns") && n.toElement().namespaceURI() == "" )
		n = n.parentNode();
	QString ns;
	if(n.isNull() || !n.toElement().hasAttribute("xmlns")){
		if (n.toElement().namespaceURI () == ""){
			ns = "jabber:client";
		} else {
			ns = n.toElement().namespaceURI();
		}
	} else {
		ns = n.toElement().attribute("xmlns");
	}
	// make a new node
	QDomElement i = e.ownerDocument().createElementNS(ns, e.tagName());

	// copy attributes
	QDomNamedNodeMap al = e.attributes();
	for(x = 0; x < al.count(); ++x) {
		QDomAttr a = al.item(x).toAttr();
		if(a.name() != "xmlns")
			i.setAttributeNodeNS(a.cloneNode().toAttr());
	}

	// copy children
	QDomNodeList nl = e.childNodes();
	for(x = 0; x < nl.count(); ++x) {
		QDomNode n = nl.item(x);
		if(n.isElement())
			i.appendChild(addCorrectNS(n.toElement()));
		else
			i.appendChild(n.cloneNode());
	}

	//i.appendChild(frag);
	return i;
}

// stripExtraNS
//
// This function removes namespace information from various nodes for
// display purposes only (the element is pretty much useless for processing
// after this).  We do this because QXml is a bit overzealous about outputting
// redundant namespaces.
static QDomElement stripExtraNS(const QDomElement &e)
{
	// find closest parent with a namespace
	QDomNode par = e.parentNode();
	while(!par.isNull() && par.namespaceURI().isNull())
		par = par.parentNode();
	bool noShowNS = false;
	if(!par.isNull() && par.namespaceURI() == e.namespaceURI())
		noShowNS = true;

	// build qName (prefix:localName)
	QString qName;
	if(!e.prefix().isEmpty())
		qName = e.prefix() + ':' + e.localName();
	else
		qName = e.tagName();

	QDomElement i;
	int x;
	if(noShowNS)
		i = e.ownerDocument().createElement(qName);
	else
		i = e.ownerDocument().createElementNS(e.namespaceURI(), qName);

	// copy attributes
	QDomNamedNodeMap al = e.attributes();
	for(x = 0; x < al.count(); ++x) {
		QDomAttr a = al.item(x).cloneNode().toAttr();

		// don't show xml namespace
		if(a.namespaceURI() == NS_XML)
			i.setAttribute(QString("xml:") + a.name(), a.value());
		else
			i.setAttributeNodeNS(a);
	}

	// copy children
	QDomNodeList nl = e.childNodes();
	for(x = 0; x < nl.count(); ++x) {
		QDomNode n = nl.item(x);
		if(n.isElement())
			i.appendChild(stripExtraNS(n.toElement()));
		else
			i.appendChild(n.cloneNode());
	}
	return i;
}

static PyObject *meth_QDomElement_setAttributeNodeNS(PyObject *sipSelf, PyObject *sipArgs)
{
    PyObject *sipParseErr = NULL;

    {
        const QDomAttr* a0;
        QDomElement *sipCpp;

        if (sipParseArgs(&sipParseErr, sipArgs, "BJ9", &sipSelf, sipType_QDomElement, &sipCpp, sipType_QDomAttr, &a0))
        {
            QDomAttr*sipRes;

            sipRes = new QDomAttr(sipCpp->setAttributeNodeNS(*a0));

            return sipConvertFromNewType(sipRes,sipType_QDomAttr,NULL);
        }
    }

    /* Raise an exception if the arguments couldn't be parsed. */
    sipNoMethod(sipParseErr, sipName_QDomElement, sipName_setAttributeNodeNS, doc_QDomElement_setAttributeNodeNS);

    return NULL;
}