final XML ecmaToXml(Object object) {
// See ECMA357 10.3
if (object == null || object == Undefined.instance) {
throw ScriptRuntime.typeError("Cannot convert " + object + " to XML");
}
if (object instanceof XML) return (XML) object;
if (object instanceof XMLList) {
XMLList list = (XMLList) object;
if (list.getXML() != null) {
return list.getXML();
} else {
throw ScriptRuntime.typeError("Cannot convert list of >1 element to XML");
}
}
// TODO Technically we should fail on anything except a String, Number or Boolean
// See ECMA357 10.3
// Extension: if object is a DOM node, use that to construct the XML
// object.
if (object instanceof Wrapper) {
object = ((Wrapper) object).unwrap();
}
if (object instanceof org.w3c.dom.Node) {
org.w3c.dom.Node node = (org.w3c.dom.Node) object;
return newXML(XmlNode.createElementFromNode(node));
}
// Instead we just blindly cast to a String and let them convert anything.
String s = ScriptRuntime.toString(object);
// TODO Could this get any uglier?
if (s.length() > 0 && s.charAt(0) == '<') {
return parse(s);
} else {
return newXML(XmlNode.createText(options, s));
}
}
private XML parse(String frag) {
try {
return newXML(
XmlNode.createElement(
options, getDefaultNamespaceURI(Context.getCurrentContext()), frag));
} catch (SAXException e) {
throw ScriptRuntime.typeError("Cannot parse XML: " + e.getMessage());
}
}
private void exportToScope(boolean sealed) {
xmlPrototype = newXML(XmlNode.createText(options, ""));
xmlListPrototype = newXMLList();
namespacePrototype = Namespace.create(this.globalScope, null, XmlNode.Namespace.GLOBAL);
qnamePrototype =
QName.create(
this, this.globalScope, null, XmlNode.QName.create(XmlNode.Namespace.create(""), ""));
xmlPrototype.exportAsJSClass(sealed);
xmlListPrototype.exportAsJSClass(sealed);
namespacePrototype.exportAsJSClass(sealed);
qnamePrototype.exportAsJSClass(sealed);
}
/* TODO: Can this can be replaced by ecmaToXml below?
*/
final XML newXMLFromJs(Object inputObject) {
String frag;
if (inputObject == null || inputObject == Undefined.instance) {
frag = "";
} else if (inputObject instanceof XMLObjectImpl) {
// todo: faster way for XMLObjects?
frag = ((XMLObjectImpl) inputObject).toXMLString();
} else {
frag = ScriptRuntime.toString(inputObject);
}
if (frag.trim().startsWith("<>")) {
throw ScriptRuntime.typeError("Invalid use of XML object anonymous tags <></>.");
}
if (frag.indexOf("<") == -1) {
// Solo text node
return newXML(XmlNode.createText(options, frag));
}
return parse(frag);
}
final XML newTextElementXML(XmlNode reference, XmlNode.QName qname, String value) {
return newXML(XmlNode.newElementWithText(options, reference, qname, value));
}