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 Object applyOrCall(
boolean isApply, Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
String methodName = isApply ? "apply" : "call";
if (!(thisObj instanceof XMLList) || ((XMLList) thisObj).targetProperty == null)
throw ScriptRuntime.typeError1("msg.isnt.function", methodName);
return ScriptRuntime.applyOrCall(isApply, cx, scope, thisObj, args);
}
@Override
void putXMLProperty(XMLName xmlName, Object value) {
// Log("put property: " + name);
// Special-case checks for undefined and null
if (value == null) {
value = "null";
} else if (value instanceof Undefined) {
value = "undefined";
}
if (length() > 1) {
throw ScriptRuntime.typeError("Assignment to lists with more than one item is not supported");
} else if (length() == 0) {
// Secret sauce for super-expandos.
// We set an element here, and then add ourselves to our target.
if (targetObject != null
&& targetProperty != null
&& targetProperty.getLocalName() != null
&& targetProperty.getLocalName().length() > 0) {
// Add an empty element with our targetProperty name and
// then set it.
XML xmlValue = newTextElementXML(null, targetProperty, null);
addToList(xmlValue);
if (xmlName.isAttributeName()) {
setAttribute(xmlName, value);
} else {
XML xml = item(0);
xml.putXMLProperty(xmlName, value);
// Update the list with the new item at location 0.
replace(0, item(0));
}
// Now add us to our parent
XMLName name2 =
XMLName.formProperty(
targetProperty.getNamespace().getUri(), targetProperty.getLocalName());
targetObject.putXMLProperty(name2, this);
replace(0, targetObject.getXML().getLastXmlChild());
} else {
throw ScriptRuntime.typeError("Assignment to empty XMLList without targets not supported");
}
} else if (xmlName.isAttributeName()) {
setAttribute(xmlName, value);
} else {
XML xml = item(0);
xml.putXMLProperty(xmlName, value);
// Update the list with the new item at location 0.
replace(0, item(0));
}
}
private static RuntimeException badXMLName(Object value) {
String msg;
if (value instanceof Number) {
msg = "Can not construct XML name from number: ";
} else if (value instanceof Boolean) {
msg = "Can not construct XML name from boolean: ";
} else if (value == Undefined.instance || value == null) {
msg = "Can not construct XML name from ";
} else {
throw new IllegalArgumentException(value.toString());
}
return ScriptRuntime.typeError(msg + ScriptRuntime.toString(value));
}
XmlNode.QName toNodeQName(Context cx, Object namespaceValue, Object nameValue) {
// This is duplication of constructQName(cx, namespaceValue, nameValue)
// but for XMLName
String localName;
if (nameValue instanceof QName) {
QName qname = (QName) nameValue;
localName = qname.localName();
} else {
localName = ScriptRuntime.toString(nameValue);
}
XmlNode.Namespace ns;
if (namespaceValue == Undefined.instance) {
if ("*".equals(localName)) {
ns = null;
} else {
ns = getDefaultNamespace(cx).getDelegate();
}
} else if (namespaceValue == null) {
ns = null;
} else if (namespaceValue instanceof Namespace) {
ns = ((Namespace) namespaceValue).getDelegate();
} else {
ns = this.namespacePrototype.constructNamespace(namespaceValue).getDelegate();
}
if (localName != null && localName.equals("*")) localName = null;
return XmlNode.QName.create(ns, localName);
}
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());
}
}
/**
* If value represents Uint32 index, make it available through ScriptRuntime.lastUint32Result(cx)
* and return null. Otherwise return the same value as toXMLName(cx, value).
*/
XMLName toXMLNameOrIndex(Context cx, Object value) {
XMLName result;
if (value instanceof XMLName) {
result = (XMLName) value;
} else if (value instanceof String) {
String str = (String) value;
long test = ScriptRuntime.testUint32String(str);
if (test >= 0) {
ScriptRuntime.storeUint32Result(cx, test);
result = null;
} else {
result = toXMLNameFromString(cx, str);
}
} else if (value instanceof Number) {
double d = ((Number) value).doubleValue();
long l = (long) d;
if (l == d && 0 <= l && l <= 0xFFFFFFFFL) {
ScriptRuntime.storeUint32Result(cx, l);
result = null;
} else {
throw badXMLName(value);
}
} else if (value instanceof QName) {
QName qname = (QName) value;
String uri = qname.uri();
boolean number = false;
result = null;
if (uri != null && uri.length() == 0) {
// Only in this case qname.toString() can resemble uint32
long test = ScriptRuntime.testUint32String(uri);
if (test >= 0) {
ScriptRuntime.storeUint32Result(cx, test);
number = true;
}
}
if (!number) {
result = XMLName.formProperty(uri, qname.localName());
}
} else if (value instanceof Boolean || value == Undefined.instance || value == null) {
throw badXMLName(value);
} else {
String str = ScriptRuntime.toString(value);
long test = ScriptRuntime.testUint32String(str);
if (test >= 0) {
ScriptRuntime.storeUint32Result(cx, test);
result = null;
} else {
result = toXMLNameFromString(cx, str);
}
}
return result;
}
@Override
boolean propertyIsEnumerable(Object name) {
long index;
if (name instanceof Integer) {
index = ((Integer) name).intValue();
} else if (name instanceof Number) {
double x = ((Number) name).doubleValue();
index = (long) x;
if (index != x) {
return false;
}
if (index == 0 && 1.0 / x < 0) {
// Negative 0
return false;
}
} else {
String s = ScriptRuntime.toString(name);
index = ScriptRuntime.testUint32String(s);
}
return (0 <= index && index < length());
}
final XMLList newXMLListFrom(Object inputObject) {
XMLList rv = newXMLList();
if (inputObject == null || inputObject instanceof Undefined) {
return rv;
} else if (inputObject instanceof XML) {
XML xml = (XML) inputObject;
rv.getNodeList().add(xml);
return rv;
} else if (inputObject instanceof XMLList) {
XMLList xmll = (XMLList) inputObject;
rv.getNodeList().add(xmll.getNodeList());
return rv;
} else {
String frag = ScriptRuntime.toString(inputObject).trim();
if (!frag.startsWith("<>")) {
frag = "<>" + frag + "</>";
}
frag = "<fragment>" + frag.substring(2);
if (!frag.endsWith("</>")) {
throw ScriptRuntime.typeError("XML with anonymous tag missing end anonymous tag");
}
frag = frag.substring(0, frag.length() - 3) + "</fragment>";
XML orgXML = newXMLFromJs(frag);
// Now orphan the children and add them to our XMLList.
XMLList children = orgXML.children();
for (int i = 0; i < children.getNodeList().length(); i++) {
// Copy here is so that they'll be orphaned (parent() will be undefined)
rv.getNodeList().add(((XML) children.item(i).copy()));
}
return rv;
}
}
/* 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);
}
public Object call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
// This XMLList is being called as a Function.
// Let's find the real Function object.
if (targetProperty == null) throw ScriptRuntime.notFunctionError(this);
String methodName = targetProperty.getLocalName();
boolean isApply = methodName.equals("apply");
if (isApply || methodName.equals("call")) return applyOrCall(isApply, cx, scope, thisObj, args);
if (!(thisObj instanceof XMLObject)) {
throw ScriptRuntime.typeError1("msg.incompat.call", methodName);
}
Object func = null;
Scriptable sobj = thisObj;
while (sobj instanceof XMLObject) {
XMLObject xmlObject = (XMLObject) sobj;
func = xmlObject.getFunctionProperty(cx, methodName);
if (func != Scriptable.NOT_FOUND) {
break;
}
sobj = xmlObject.getExtraMethodSource(cx);
if (sobj != null) {
thisObj = sobj;
if (!(sobj instanceof XMLObject)) {
func = ScriptableObject.getProperty(sobj, methodName);
}
}
}
if (!(func instanceof Callable)) {
throw ScriptRuntime.notFunctionError(thisObj, func, methodName);
}
return ((Callable) func).call(cx, scope, thisObj, args);
}
/*
TODO: Too general; this should be split into overloaded methods.
Is that possible?
*/
XmlNode.QName toNodeQName(Context cx, Object nameValue, boolean attribute) {
if (nameValue instanceof XMLName) {
return ((XMLName) nameValue).toQname();
} else if (nameValue instanceof QName) {
QName qname = (QName) nameValue;
return qname.getDelegate();
} else if (nameValue instanceof Boolean
|| nameValue instanceof Number
|| nameValue == Undefined.instance
|| nameValue == null) {
throw badXMLName(nameValue);
} else {
String local = null;
if (nameValue instanceof String) {
local = (String) nameValue;
} else {
local = ScriptRuntime.toString(nameValue);
}
return toNodeQName(cx, local, attribute);
}
}
Namespace getDefaultNamespace(Context cx) {
if (cx == null) {
cx = Context.getCurrentContext();
if (cx == null) {
return namespacePrototype;
}
}
Object ns = ScriptRuntime.searchDefaultNamespace(cx);
if (ns == null) {
return namespacePrototype;
} else {
if (ns instanceof Namespace) {
return (Namespace) ns;
} else {
// TODO Clarify or remove the following comment
// Should not happen but for now it could
// due to bad searchDefaultNamespace implementation.
return namespacePrototype;
}
}
}
/* TODO: Marked deprecated by original author */
XMLName toXMLName(Context cx, Object nameValue) {
XMLName result;
if (nameValue instanceof XMLName) {
result = (XMLName) nameValue;
} else if (nameValue instanceof QName) {
QName qname = (QName) nameValue;
result = XMLName.formProperty(qname.uri(), qname.localName());
} else if (nameValue instanceof String) {
result = toXMLNameFromString(cx, (String) nameValue);
} else if (nameValue instanceof Boolean
|| nameValue instanceof Number
|| nameValue == Undefined.instance
|| nameValue == null) {
throw badXMLName(nameValue);
} else {
String name = ScriptRuntime.toString(nameValue);
result = toXMLNameFromString(cx, name);
}
return result;
}
/** @deprecated */
XMLName toAttributeName(Context cx, Object nameValue) {
if (nameValue instanceof XMLName) {
// TODO Will this always be an XMLName of type attribute name?
return (XMLName) nameValue;
} else if (nameValue instanceof QName) {
return XMLName.create(((QName) nameValue).getDelegate(), true, false);
} else if (nameValue instanceof Boolean
|| nameValue instanceof Number
|| nameValue == Undefined.instance
|| nameValue == null) {
throw badXMLName(nameValue);
} else {
// TODO Not 100% sure that putting these in global namespace is the right thing to do
String localName = null;
if (nameValue instanceof String) {
localName = (String) nameValue;
} else {
localName = ScriptRuntime.toString(nameValue);
}
if (localName != null && localName.equals("*")) localName = null;
return XMLName.create(
XmlNode.QName.create(XmlNode.Namespace.create(""), localName), true, false);
}
}
public Scriptable construct(Context cx, Scriptable scope, Object[] args) {
throw ScriptRuntime.typeError1("msg.not.ctor", "XMLList");
}