Function to convert XML data to easier-to-work-with JSON

convert_xml_to_json.js

/*
I take zero credit for this, as it was posted as a comment on this blog post:

http://davidwalsh.name/convert-xml-json
*/

function xml2Obj (oXMLDom) {
  var oRObj = true;
  if (oXMLDom.nodeType === 3) { // text
    oRObj = oXMLDom.nodeValue.replace(/^\s+|\s+$/g, "");
  } else {
    if (oXMLDom.nodeType === 1) { // element
      // do attributes
      if (oXMLDom.attributes.length > 0) {
        var iAttrib;
        oRObj = {};
        oRObj["@attributes"] = {};
        for (var iAttrId = 0; iAttrId < oXMLDom.attributes.length; iAttrId++) {
          iAttrib = oXMLDom.attributes.item(iAttrId);
          oRObj["@attributes"][iAttrib.nodeName] = iAttrib.nodeValue;
        }
      }
    }
    // do children
    if (oXMLDom.hasChildNodes()) {
      var iKey, iValue, iXMLNode;
      if (oRObj === true) { oRObj = {}; }
      for (var iChildId = 0; iChildId < oXMLDom.childNodes.length; iChildId++) {
        iXMLNode = oXMLDom.childNodes.item(iChildId);
        iKey = iXMLNode.nodeType === 3 ? "@content" : iXMLNode.nodeName;
        iValue = xml2Obj(iXMLNode);
        if (oRObj.hasOwnProperty(iKey)) {
          if (iXMLNode.nodeType === 3) { oRObj[iKey] += iValue; }
          else {
            if (oRObj[iKey].constructor !== Array) { oRObj[iKey] = [oRObj[iKey]]; }
            oRObj[iKey].push(iValue);
          }
        } else if (iXMLNode.nodeType !== 3 || iValue !== "") { oRObj[iKey] = iValue; }
      }
     }
  }
  return(oRObj);
};