/// \file

/// \ingroup tutorial_xml

/// \notebook -nodraw

/// ROOT implementation of a XML DOM Parser

///

/// This is an example of how Dom Parser walks the DOM tree recursively.

/// This example will parse any xml file.

///

/// To run this program

/// ~~~{.cpp}

/// .x DOMRecursive.C+

/// ~~~

///

/// Requires: `person.xml`

///

/// \macro_output

/// \macro_code

///

/// \author Sergey Linev

#include <Riostream.h>

#include <TDOMParser.h>

#include <TXMLNode.h>

#include <TXMLAttr.h>

#include <TList.h>

void ParseContext(TXMLNode *node)

{

for ( ; node; node = node->GetNextNode()) {

if (node->GetNodeType() == TXMLNode::kXMLElementNode) { // Element Node

cout << node->GetNodeName() << ": ";

if (node->HasAttributes()) {

TList* attrList = node->GetAttributes();

TIter next(attrList);

TXMLAttr *attr;

while ((attr =(TXMLAttr*)next())) {

cout << attr->GetName() << ":" << attr->GetValue();

}

}

}

if (node->GetNodeType() == TXMLNode::kXMLTextNode) { // Text node

cout << node->GetContent();

}

if (node->GetNodeType() == TXMLNode::kXMLCommentNode) { //Comment node

cout << "Comment: " << node->GetContent();

}

ParseContext(node->GetChildren());

}

}

void DOMRecursive()

{

TDOMParser *domParser = new TDOMParser();

TString dir = gROOT->GetTutorialDir();

domParser->SetValidate(false); // do not validate with DTD

domParser->ParseFile(dir+"/xml/person.xml");

TXMLNode *node = domParser->GetXMLDocument()->GetRootNode();

ParseContext(node);

}