XML ? about jxa-cookbook HOT 2 CLOSED

ObjC.import('Foundation')
ObjC.import('stdlib')

var xmlURL = $.NSURL.URLWithString($('https://raw.githubusercontent.com/apache/lucene-solr/lucene_solr_4_6_1/solr/example/solr/collection1/conf/solrconfig.xml'));
var doc = $.NSXMLDocument.alloc.initWithContentsOfURLOptionsError(xmlURL, 0, null); // NOTE how to pass NSError pointer in JXA?

console.log('Character encoding: ' + ObjC.unwrap(doc.characterEncoding));
console.log('DTD: ' + ObjC.unwrap(doc.DTD));
console.log('URI: ' + ObjC.unwrap(doc.URI));
console.log('MIMEType: ' + ObjC.unwrap(doc.MIMEType));
console.log('Version: ' + ObjC.unwrap(doc.version));

// Based on https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/NSXML_Concepts/Articles/TraversingTree.html#//apple_ref/doc/uid/TP40001257-BAJJGHAI
var aNode = doc.rootElement;
var translatorNotes = '';
var itemText = '';
while ((aNode = aNode.nextNode)) {
    if (aNode.kind == $.NSXMLCommentKind) {
        translatorNotes += ObjC.unwrap(aNode.stringValue);
        translatorNotes += ' ========> ';
        aNode = aNode.nextNode;
        translatorNotes += ObjC.unwrap(aNode.stringValue);
        translatorNotes += '\n';
    }
}
if (translatorNotes) {
    console.log(translatorNotes);
}

$.exit(0)