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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically
embedded into Java applications to provide scripting to end users.
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.javascript.xmlimpl;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.IdFunctionObject;
import org.mozilla.javascript.IdScriptableObject;
import org.mozilla.javascript.ScriptRuntime;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.Undefined;
/**
* Class QName
*
*/
final class QName extends IdScriptableObject
{
static final long serialVersionUID = 416745167693026750L;
private static final Object QNAME_TAG = "QName";
private XMLLibImpl lib;
private QName prototype;
private XmlNode.QName delegate;
private QName() {
}
static QName create(XMLLibImpl lib, Scriptable scope, QName prototype, XmlNode.QName delegate) {
QName rv = new QName();
rv.lib = lib;
rv.setParentScope(scope);
rv.prototype = prototype;
rv.setPrototype(prototype);
rv.delegate = delegate;
return rv;
}
// /** @deprecated */
// static QName create(XMLLibImpl lib, XmlNode.QName nodeQname) {
// return create(lib, lib.globalScope(), lib.qnamePrototype(), nodeQname);
// }
void exportAsJSClass(boolean sealed) {
exportAsJSClass(MAX_PROTOTYPE_ID, getParentScope(), sealed);
}
@Override
public String toString() {
// ECMA357 13.3.4.2
if (delegate.getNamespace() == null) {
return "*::" + localName();
} else if (delegate.getNamespace().isGlobal()) {
// leave as empty
return localName();
} else {
return uri() + "::" + localName();
}
}
public String localName() {
if (delegate.getLocalName() == null) return "*";
return delegate.getLocalName();
}
/*
* TODO This property is supposed to be invisible and I think we can
* make it private at some point, though Namespace might need it
*/
String prefix() {
if (delegate.getNamespace() == null) return null;
return delegate.getNamespace().getPrefix();
}
String uri() {
if (delegate.getNamespace() == null) return null;
return delegate.getNamespace().getUri();
}
/** @deprecated */
@Deprecated
final XmlNode.QName toNodeQname() {
return delegate;
}
final XmlNode.QName getDelegate() {
return delegate;
}
@Override
public boolean equals(Object obj) {
if(!(obj instanceof QName)) return false;
return equals((QName)obj);
}
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
protected Object equivalentValues(Object value)
{
if(!(value instanceof QName)) return Scriptable.NOT_FOUND;
boolean result = equals((QName)value);
return result ? Boolean.TRUE : Boolean.FALSE;
}
private boolean equals(QName q) {
return this.delegate.equals(q.delegate);
}
@Override
public String getClassName() {
return "QName";
}
@Override
public Object getDefaultValue(Class hint) {
return toString();
}
// #string_id_map#
private static final int
Id_localName = 1,
Id_uri = 2,
MAX_INSTANCE_ID = 2;
@Override
protected int getMaxInstanceId()
{
return super.getMaxInstanceId() + MAX_INSTANCE_ID;
}
@Override
protected int findInstanceIdInfo(String s)
{
int id;
// #generated# Last update: 2007-08-20 08:21:41 EDT
L0: { id = 0; String X = null;
int s_length = s.length();
if (s_length==3) { X="uri";id=Id_uri; }
else if (s_length==9) { X="localName";id=Id_localName; }
if (X!=null && X!=s && !X.equals(s)) id = 0;
break L0;
}
// #/generated#
if (id == 0) return super.findInstanceIdInfo(s);
int attr;
switch (id) {
case Id_localName:
case Id_uri:
attr = PERMANENT | READONLY;
break;
default: throw new IllegalStateException();
}
return instanceIdInfo(attr, super.getMaxInstanceId() + id);
}
// #/string_id_map#
@Override
protected String getInstanceIdName(int id)
{
switch (id - super.getMaxInstanceId()) {
case Id_localName: return "localName";
case Id_uri: return "uri";
}
return super.getInstanceIdName(id);
}
@Override
protected Object getInstanceIdValue(int id)
{
switch (id - super.getMaxInstanceId()) {
case Id_localName: return localName();
case Id_uri: return uri();
}
return super.getInstanceIdValue(id);
}
// #string_id_map#
private static final int
Id_constructor = 1,
Id_toString = 2,
Id_toSource = 3,
MAX_PROTOTYPE_ID = 3;
@Override
protected int findPrototypeId(String s)
{
int id;
// #generated# Last update: 2007-08-20 08:21:41 EDT
L0: { id = 0; String X = null; int c;
int s_length = s.length();
if (s_length==8) {
c=s.charAt(3);
if (c=='o') { X="toSource";id=Id_toSource; }
else if (c=='t') { X="toString";id=Id_toString; }
}
else if (s_length==11) { X="constructor";id=Id_constructor; }
if (X!=null && X!=s && !X.equals(s)) id = 0;
break L0;
}
// #/generated#
return id;
}
// #/string_id_map#
@Override
protected void initPrototypeId(int id)
{
String s;
int arity;
switch (id) {
case Id_constructor: arity=2; s="constructor"; break;
case Id_toString: arity=0; s="toString"; break;
case Id_toSource: arity=0; s="toSource"; break;
default: throw new IllegalArgumentException(String.valueOf(id));
}
initPrototypeMethod(QNAME_TAG, id, s, arity);
}
@Override
public Object execIdCall(IdFunctionObject f,
Context cx,
Scriptable scope,
Scriptable thisObj,
Object[] args)
{
if (!f.hasTag(QNAME_TAG)) {
return super.execIdCall(f, cx, scope, thisObj, args);
}
int id = f.methodId();
switch (id) {
case Id_constructor:
return jsConstructor(cx, (thisObj == null), args);
case Id_toString:
return realThis(thisObj, f).toString();
case Id_toSource:
return realThis(thisObj, f).js_toSource();
}
throw new IllegalArgumentException(String.valueOf(id));
}
private QName realThis(Scriptable thisObj, IdFunctionObject f)
{
return ensureType(thisObj, QName.class, f);
}
QName newQName(XMLLibImpl lib, String q_uri, String q_localName, String q_prefix) {
QName prototype = this.prototype;
if (prototype == null) {
prototype = this;
}
XmlNode.Namespace ns = null;
if (q_prefix != null) {
ns = XmlNode.Namespace.create(q_prefix, q_uri);
} else if (q_uri != null) {
ns = XmlNode.Namespace.create(q_uri);
}
if (q_localName != null && q_localName.equals("*")) q_localName = null;
return create(lib, this.getParentScope(), prototype, XmlNode.QName.create(ns, q_localName));
}
// See ECMA357 13.3.2
QName constructQName(XMLLibImpl lib, Context cx, Object namespace, Object name) {
String nameString = null;
if (name instanceof QName) {
if (namespace == Undefined.instance) {
return (QName)name;
} else {
nameString = ((QName)name).localName();
}
}
if (name == Undefined.instance) {
nameString = "";
} else {
nameString = ScriptRuntime.toString(name);
}
if (namespace == Undefined.instance) {
if ("*".equals(nameString)) {
namespace = null;
} else {
namespace = lib.getDefaultNamespace(cx);
}
}
Namespace namespaceNamespace = null;
if (namespace == null) {
// leave as null
} else if (namespace instanceof Namespace) {
namespaceNamespace = (Namespace)namespace;
} else {
namespaceNamespace = lib.newNamespace(ScriptRuntime.toString(namespace));
}
String q_localName = nameString;
String q_uri;
String q_prefix;
if (namespace == null) {
q_uri = null;
q_prefix = null; // corresponds to undefined; see QName class
} else {
q_uri = namespaceNamespace.uri();
q_prefix = namespaceNamespace.prefix();
}
return newQName(lib, q_uri, q_localName, q_prefix);
}
QName constructQName(XMLLibImpl lib, Context cx, Object nameValue) {
return constructQName(lib, cx, Undefined.instance, nameValue);
}
QName castToQName(XMLLibImpl lib, Context cx, Object qnameValue) {
if (qnameValue instanceof QName) {
return (QName)qnameValue;
}
return constructQName(lib, cx, qnameValue);
}
private Object jsConstructor(Context cx, boolean inNewExpr, Object[] args) {
// See ECMA357 13.3.2
if (!inNewExpr && args.length == 1) {
return castToQName(lib, cx, args[0]);
}
if (args.length == 0) {
return constructQName(lib, cx, Undefined.instance);
} else if (args.length == 1) {
return constructQName(lib, cx, args[0]);
} else {
return constructQName(lib, cx, args[0], args[1]);
}
}
private String js_toSource() {
StringBuilder sb = new StringBuilder();
sb.append('(');
toSourceImpl(uri(), localName(), prefix(), sb);
sb.append(')');
return sb.toString();
}
private static void toSourceImpl(String uri, String localName, String prefix, StringBuilder sb) {
sb.append("new QName(");
if (uri == null && prefix == null) {
if (!"*".equals(localName)) {
sb.append("null, ");
}
} else if (uri != null) {
Namespace.toSourceImpl(prefix, uri, sb);
sb.append(", ");
}
sb.append('\'');
sb.append(ScriptRuntime.escapeString(localName, '\''));
sb.append("')");
}
}
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