recursive problem

[Shawn]

I used DOM to parse an XML file

QDomNode node = root.firstChild();
if (!node.isNull()) {
	node = findTag(node, "Communication");
	//do something with node
}
 
QDomNode DomParser::findTag(QDomNode &node, const QString &tag)
{
	if (node.toElement().tagName() == tag) {
		return node;
	}else {
		if (hasChild(node)) {
			node = node.firstChild();
			findTag(node, tag);
		}else {
			while (!hasSibling(node)) {		
				if (hasParent(node)) 
					node = node.parentNode();
				else
					QMessageBox::information(0, "Error", "Can not find Tag");
			}
			node = node.nextSibling();
			findTag(node, tag);	
		}
	}
}
 
inline bool DomParser::hasParent(const QDomNode &node)
{
	if( !node.parentNode().isNull())
		return true;
	else
		return false;
}
 
inline bool DomParser::hasSibling(const QDomNode &node)
{
	if( !node.nextSibling().isNull())
		return true;
	else
		return false;
}
 
inline bool DomParser::hasChild(const QDomNode &node)
{
	return node.hasChildNodes();
}

QDomNode node = root.firstChild();
if (!node.isNull()) {
	node = findTag(node, "Communication");
	//do something with node
}

QDomNode DomParser::findTag(QDomNode &node, const QString &tag)
{
	if (node.toElement().tagName() == tag) {
		return node;
	}else {
		if (hasChild(node)) {
			node = node.firstChild();
			findTag(node, tag);
		}else {
			while (!hasSibling(node)) {		
				if (hasParent(node)) 
					node = node.parentNode();
				else
					QMessageBox::information(0, "Error", "Can not find Tag");
			}
			node = node.nextSibling();
			findTag(node, tag);	
		}
	}
}

inline bool DomParser::hasParent(const QDomNode &node)
{
	if( !node.parentNode().isNull())
		return true;
	else
		return false;
}

inline bool DomParser::hasSibling(const QDomNode &node)
{
	if( !node.nextSibling().isNull())
		return true;
	else
		return false;
}

inline bool DomParser::hasChild(const QDomNode &node)
{
	return node.hasChildNodes();
}

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There is always an error in "qatomic_windows.h"

inline int q_atomic_decrement(volatile int *ptr)
{ return _InterlockedDecrement(reinterpret_cast<volatile long *>(ptr)); }

inline int q_atomic_decrement(volatile int *ptr)
{ return _InterlockedDecrement(reinterpret_cast<volatile long *>(ptr)); }

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Is there anything wrong in my code ?