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/* -*- 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.*;
import org.mozilla.javascript.xml.*;
/**
* This abstract class describes what all XML objects (XML, XMLList) should
* have in common.
*
* @see XML
*/
abstract class XMLObjectImpl extends XMLObject {
private static final Object XMLOBJECT_TAG = "XMLObject";
private XMLLibImpl lib;
private boolean prototypeFlag;
protected XMLObjectImpl(XMLLibImpl lib, Scriptable scope,
XMLObject prototype)
{
initialize(lib, scope, prototype);
}
final void initialize(XMLLibImpl lib, Scriptable scope,
XMLObject prototype)
{
setParentScope(scope);
setPrototype(prototype);
prototypeFlag = (prototype == null);
this.lib = lib;
}
final boolean isPrototype() {
return prototypeFlag;
}
XMLLibImpl getLib() {
return lib;
}
final XML newXML(XmlNode node) {
return lib.newXML(node);
}
XML xmlFromNode(XmlNode node) {
if (node.getXml() == null) {
node.setXml( newXML(node) );
}
return node.getXml();
}
final XMLList newXMLList() {
return lib.newXMLList();
}
final XMLList newXMLListFrom(Object o) {
return lib.newXMLListFrom(o);
}
final XmlProcessor getProcessor() {
return lib.getProcessor();
}
final QName newQName(String uri, String localName, String prefix) {
return lib.newQName(uri, localName, prefix);
}
final QName newQName(XmlNode.QName name) {
return lib.newQName(name);
}
final Namespace createNamespace(XmlNode.Namespace declaration) {
if (declaration == null) return null;
return lib.createNamespaces( new XmlNode.Namespace[] { declaration } )[0];
}
final Namespace[] createNamespaces(XmlNode.Namespace[] declarations) {
return lib.createNamespaces(declarations);
}
@Override
public final Scriptable getPrototype() {
return super.getPrototype();
}
@Override
public final void setPrototype(Scriptable prototype) {
super.setPrototype(prototype);
}
@Override
public final Scriptable getParentScope() {
return super.getParentScope();
}
@Override
public final void setParentScope(Scriptable parent) {
super.setParentScope(parent);
}
@Override
public final Object getDefaultValue(Class hint) {
return this.toString();
}
@Override
public final boolean hasInstance(Scriptable scriptable) {
return super.hasInstance(scriptable);
}
/**
* ecmaHas(cx, id) calls this after resolving when id to XMLName
* and checking it is not Uint32 index.
*/
abstract boolean hasXMLProperty(XMLName name);
/**
* ecmaGet(cx, id) calls this after resolving when id to XMLName
* and checking it is not Uint32 index.
*/
abstract Object getXMLProperty(XMLName name);
/**
* ecmaPut(cx, id, value) calls this after resolving when id to XMLName
* and checking it is not Uint32 index.
*/
abstract void putXMLProperty(XMLName name, Object value);
/**
* ecmaDelete(cx, id) calls this after resolving when id to XMLName
* and checking it is not Uint32 index.
*/
abstract void deleteXMLProperty(XMLName name);
/**
* Test XML equality with target the target.
*/
abstract boolean equivalentXml(Object target);
abstract void addMatches(XMLList rv, XMLName name);
private XMLList getMatches(XMLName name) {
XMLList rv = newXMLList();
addMatches(rv, name);
return rv;
}
abstract XML getXML();
// Methods from section 12.4.4 in the spec
abstract XMLList child(int index);
abstract XMLList child(XMLName xmlName);
abstract XMLList children();
abstract XMLList comments();
abstract boolean contains(Object xml);
abstract XMLObjectImpl copy();
abstract XMLList elements(XMLName xmlName);
abstract boolean hasOwnProperty(XMLName xmlName);
abstract boolean hasComplexContent();
abstract boolean hasSimpleContent();
abstract int length();
abstract void normalize();
abstract Object parent();
abstract XMLList processingInstructions(XMLName xmlName);
abstract boolean propertyIsEnumerable(Object member);
abstract XMLList text();
@Override
public abstract String toString();
abstract String toSource(int indent);
abstract String toXMLString();
abstract Object valueOf();
protected abstract Object jsConstructor(Context cx, boolean inNewExpr, Object[] args);
//
//
// Methods overriding ScriptableObject
//
//
/**
* XMLObject always compare with any value and equivalentValues
* never returns {@link Scriptable#NOT_FOUND} for them but rather
* calls equivalentXml(value) and wrap the result as Boolean.
*/
@Override
protected final Object equivalentValues(Object value) {
boolean result = equivalentXml(value);
return result ? Boolean.TRUE : Boolean.FALSE;
}
//
//
// Methods overriding XMLObject
//
//
/**
* Implementation of ECMAScript [[Has]]
*/
@Override
public final boolean has(Context cx, Object id) {
if (cx == null) cx = Context.getCurrentContext();
XMLName xmlName = lib.toXMLNameOrIndex(cx, id);
if (xmlName == null) {
long index = ScriptRuntime.lastUint32Result(cx);
// XXX Fix this cast
return has((int)index, this);
}
return hasXMLProperty(xmlName);
}
@Override
public boolean has(String name, Scriptable start) {
Context cx = Context.getCurrentContext();
return hasXMLProperty(lib.toXMLNameFromString(cx, name));
}
/**
* Implementation of ECMAScript [[Get]]
*/
@Override
public final Object get(Context cx, Object id) {
if (cx == null) cx = Context.getCurrentContext();
XMLName xmlName = lib.toXMLNameOrIndex(cx, id);
if (xmlName == null) {
long index = ScriptRuntime.lastUint32Result(cx);
// XXX Fix this cast
Object result = get((int)index, this);
if (result == Scriptable.NOT_FOUND) {
result = Undefined.instance;
}
return result;
}
return getXMLProperty(xmlName);
}
@Override
public Object get(String name, Scriptable start) {
Context cx = Context.getCurrentContext();
return getXMLProperty(lib.toXMLNameFromString(cx, name));
}
/**
* Implementation of ECMAScript [[Put]]
*/
@Override
public final void put(Context cx, Object id, Object value) {
if (cx == null) cx = Context.getCurrentContext();
XMLName xmlName = lib.toXMLNameOrIndex(cx, id);
if (xmlName == null) {
long index = ScriptRuntime.lastUint32Result(cx);
// XXX Fix this cast
put((int)index, this, value);
return;
}
putXMLProperty(xmlName, value);
}
@Override
public void put(String name, Scriptable start, Object value) {
Context cx = Context.getCurrentContext();
putXMLProperty(lib.toXMLNameFromString(cx, name), value);
}
/**
* Implementation of ECMAScript [[Delete]].
*/
@Override
public final boolean delete(Context cx, Object id) {
if (cx == null) cx = Context.getCurrentContext();
XMLName xmlName = lib.toXMLNameOrIndex(cx, id);
if (xmlName == null) {
long index = ScriptRuntime.lastUint32Result(cx);
// XXX Fix this
delete((int)index);
return true;
}
deleteXMLProperty(xmlName);
return true;
}
@Override
public void delete(String name) {
Context cx = Context.getCurrentContext();
deleteXMLProperty(lib.toXMLNameFromString(cx, name));
}
@Override
public Object getFunctionProperty(Context cx, int id) {
if (isPrototype()) {
return super.get(id, this);
} else {
Scriptable proto = getPrototype();
if (proto instanceof XMLObject) {
return ((XMLObject)proto).getFunctionProperty(cx, id);
}
}
return NOT_FOUND;
}
@Override
public Object getFunctionProperty(Context cx, String name) {
if (isPrototype()) {
return super.get(name, this);
} else {
Scriptable proto = getPrototype();
if (proto instanceof XMLObject) {
return ((XMLObject)proto).getFunctionProperty(cx, name);
}
}
return NOT_FOUND;
}
// TODO Can this be made more strongly typed?
@Override
public Ref memberRef(Context cx, Object elem, int memberTypeFlags) {
boolean attribute = (memberTypeFlags & Node.ATTRIBUTE_FLAG) != 0;
boolean descendants = (memberTypeFlags & Node.DESCENDANTS_FLAG) != 0;
if (!attribute && !descendants) {
// Code generation would use ecma(Get|Has|Delete|Set) for
// normal name identifiers so one ATTRIBUTE_FLAG
// or DESCENDANTS_FLAG has to be set
throw Kit.codeBug();
}
XmlNode.QName qname = lib.toNodeQName(cx, elem, attribute);
XMLName rv = XMLName.create(qname, attribute, descendants);
rv.initXMLObject(this);
return rv;
}
/**
* Generic reference to implement x::ns, x.@ns::y, x..@ns::y etc.
*/
@Override
public Ref memberRef(Context cx, Object namespace, Object elem,
int memberTypeFlags)
{
boolean attribute = (memberTypeFlags & Node.ATTRIBUTE_FLAG) != 0;
boolean descendants = (memberTypeFlags & Node.DESCENDANTS_FLAG) != 0;
XMLName rv = XMLName.create(lib.toNodeQName(cx, namespace, elem),
attribute, descendants);
rv.initXMLObject(this);
return rv;
}
@Override
public NativeWith enterWith(Scriptable scope) {
return new XMLWithScope(lib, scope, this);
}
@Override
public NativeWith enterDotQuery(Scriptable scope) {
XMLWithScope xws = new XMLWithScope(lib, scope, this);
xws.initAsDotQuery();
return xws;
}
@Override
public final Object addValues(Context cx, boolean thisIsLeft,
Object value) {
if (value instanceof XMLObject) {
XMLObject v1, v2;
if (thisIsLeft) {
v1 = this;
v2 = (XMLObject)value;
} else {
v1 = (XMLObject)value;
v2 = this;
}
return lib.addXMLObjects(cx, v1, v2);
}
if (value == Undefined.instance) {
// both "xml + undefined" and "undefined + xml" gives String(xml)
return ScriptRuntime.toString(this);
}
return super.addValues(cx, thisIsLeft, value);
}
//
//
// IdScriptableObject machinery
//
//
final void exportAsJSClass(boolean sealed) {
prototypeFlag = true;
exportAsJSClass(MAX_PROTOTYPE_ID, getParentScope(), sealed);
}
// #string_id_map#
private final static int
Id_constructor = 1,
Id_addNamespace = 2,
Id_appendChild = 3,
Id_attribute = 4,
Id_attributes = 5,
Id_child = 6,
Id_childIndex = 7,
Id_children = 8,
Id_comments = 9,
Id_contains = 10,
Id_copy = 11,
Id_descendants = 12,
Id_elements = 13,
Id_inScopeNamespaces = 14,
Id_insertChildAfter = 15,
Id_insertChildBefore = 16,
Id_hasOwnProperty = 17,
Id_hasComplexContent = 18,
Id_hasSimpleContent = 19,
Id_length = 20,
Id_localName = 21,
Id_name = 22,
Id_namespace = 23,
Id_namespaceDeclarations = 24,
Id_nodeKind = 25,
Id_normalize = 26,
Id_parent = 27,
Id_prependChild = 28,
Id_processingInstructions = 29,
Id_propertyIsEnumerable = 30,
Id_removeNamespace = 31,
Id_replace = 32,
Id_setChildren = 33,
Id_setLocalName = 34,
Id_setName = 35,
Id_setNamespace = 36,
Id_text = 37,
Id_toString = 38,
Id_toSource = 39,
Id_toXMLString = 40,
Id_valueOf = 41,
MAX_PROTOTYPE_ID = 41;
@Override
protected int findPrototypeId(String s) {
int id;
// #generated# Last update: 2008-10-21 12:32:31 MESZ
L0: { id = 0; String X = null; int c;
L: switch (s.length()) {
case 4: c=s.charAt(0);
if (c=='c') { X="copy";id=Id_copy; }
else if (c=='n') { X="name";id=Id_name; }
else if (c=='t') { X="text";id=Id_text; }
break L;
case 5: X="child";id=Id_child; break L;
case 6: c=s.charAt(0);
if (c=='l') { X="length";id=Id_length; }
else if (c=='p') { X="parent";id=Id_parent; }
break L;
case 7: c=s.charAt(0);
if (c=='r') { X="replace";id=Id_replace; }
else if (c=='s') { X="setName";id=Id_setName; }
else if (c=='v') { X="valueOf";id=Id_valueOf; }
break L;
case 8: switch (s.charAt(2)) {
case 'S': c=s.charAt(7);
if (c=='e') { X="toSource";id=Id_toSource; }
else if (c=='g') { X="toString";id=Id_toString; }
break L;
case 'd': X="nodeKind";id=Id_nodeKind; break L;
case 'e': X="elements";id=Id_elements; break L;
case 'i': X="children";id=Id_children; break L;
case 'm': X="comments";id=Id_comments; break L;
case 'n': X="contains";id=Id_contains; break L;
} break L;
case 9: switch (s.charAt(2)) {
case 'c': X="localName";id=Id_localName; break L;
case 'm': X="namespace";id=Id_namespace; break L;
case 'r': X="normalize";id=Id_normalize; break L;
case 't': X="attribute";id=Id_attribute; break L;
} break L;
case 10: c=s.charAt(0);
if (c=='a') { X="attributes";id=Id_attributes; }
else if (c=='c') { X="childIndex";id=Id_childIndex; }
break L;
case 11: switch (s.charAt(0)) {
case 'a': X="appendChild";id=Id_appendChild; break L;
case 'c': X="constructor";id=Id_constructor; break L;
case 'd': X="descendants";id=Id_descendants; break L;
case 's': X="setChildren";id=Id_setChildren; break L;
case 't': X="toXMLString";id=Id_toXMLString; break L;
} break L;
case 12: c=s.charAt(0);
if (c=='a') { X="addNamespace";id=Id_addNamespace; }
else if (c=='p') { X="prependChild";id=Id_prependChild; }
else if (c=='s') {
c=s.charAt(3);
if (c=='L') { X="setLocalName";id=Id_setLocalName; }
else if (c=='N') { X="setNamespace";id=Id_setNamespace; }
}
break L;
case 14: X="hasOwnProperty";id=Id_hasOwnProperty; break L;
case 15: X="removeNamespace";id=Id_removeNamespace; break L;
case 16: c=s.charAt(0);
if (c=='h') { X="hasSimpleContent";id=Id_hasSimpleContent; }
else if (c=='i') { X="insertChildAfter";id=Id_insertChildAfter; }
break L;
case 17: c=s.charAt(3);
if (c=='C') { X="hasComplexContent";id=Id_hasComplexContent; }
else if (c=='c') { X="inScopeNamespaces";id=Id_inScopeNamespaces; }
else if (c=='e') { X="insertChildBefore";id=Id_insertChildBefore; }
break L;
case 20: X="propertyIsEnumerable";id=Id_propertyIsEnumerable; break L;
case 21: X="namespaceDeclarations";id=Id_namespaceDeclarations; break L;
case 22: X="processingInstructions";id=Id_processingInstructions; break L;
}
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: {
IdFunctionObject ctor;
if (this instanceof XML) {
ctor = new XMLCtor((XML)this, XMLOBJECT_TAG, id, 1);
} else {
ctor = new IdFunctionObject(this, XMLOBJECT_TAG, id, 1);
}
initPrototypeConstructor(ctor);
return;
}
case Id_addNamespace: arity=1; s="addNamespace"; break;
case Id_appendChild: arity=1; s="appendChild"; break;
case Id_attribute: arity=1; s="attribute"; break;
case Id_attributes: arity=0; s="attributes"; break;
case Id_child: arity=1; s="child"; break;
case Id_childIndex: arity=0; s="childIndex"; break;
case Id_children: arity=0; s="children"; break;
case Id_comments: arity=0; s="comments"; break;
case Id_contains: arity=1; s="contains"; break;
case Id_copy: arity=0; s="copy"; break;
case Id_descendants: arity=1; s="descendants"; break;
case Id_elements: arity=1; s="elements"; break;
case Id_hasComplexContent: arity=0; s="hasComplexContent"; break;
case Id_hasOwnProperty: arity=1; s="hasOwnProperty"; break;
case Id_hasSimpleContent: arity=0; s="hasSimpleContent"; break;
case Id_inScopeNamespaces: arity=0; s="inScopeNamespaces"; break;
case Id_insertChildAfter: arity=2; s="insertChildAfter"; break;
case Id_insertChildBefore: arity=2; s="insertChildBefore"; break;
case Id_length: arity=0; s="length"; break;
case Id_localName: arity=0; s="localName"; break;
case Id_name: arity=0; s="name"; break;
case Id_namespace: arity=1; s="namespace"; break;
case Id_namespaceDeclarations:
arity=0; s="namespaceDeclarations"; break;
case Id_nodeKind: arity=0; s="nodeKind"; break;
case Id_normalize: arity=0; s="normalize"; break;
case Id_parent: arity=0; s="parent"; break;
case Id_prependChild: arity=1; s="prependChild"; break;
case Id_processingInstructions:
arity=1; s="processingInstructions"; break;
case Id_propertyIsEnumerable:
arity=1; s="propertyIsEnumerable"; break;
case Id_removeNamespace: arity=1; s="removeNamespace"; break;
case Id_replace: arity=2; s="replace"; break;
case Id_setChildren: arity=1; s="setChildren"; break;
case Id_setLocalName: arity=1; s="setLocalName"; break;
case Id_setName: arity=1; s="setName"; break;
case Id_setNamespace: arity=1; s="setNamespace"; break;
case Id_text: arity=0; s="text"; break;
case Id_toString: arity=0; s="toString"; break;
case Id_toSource: arity=1; s="toSource"; break;
case Id_toXMLString: arity=1; s="toXMLString"; break;
case Id_valueOf: arity=0; s="valueOf"; break;
default: throw new IllegalArgumentException(String.valueOf(id));
}
initPrototypeMethod(XMLOBJECT_TAG, id, s, arity);
}
private Object[] toObjectArray(Object[] typed) {
Object[] rv = new Object[typed.length];
for (int i=0; i 0) ? ScriptRuntime.toString(args[0]) : null;
Namespace rv = xml.namespace(prefix);
if (rv == null) {
return Undefined.instance;
} else {
return rv;
}
}
case Id_namespaceDeclarations: {
if (xml == null) xmlMethodNotFound(realThis, "namespaceDeclarations");
Namespace[] array = xml.namespaceDeclarations();
return cx.newArray(scope, toObjectArray(array));
}
case Id_nodeKind: {
if (xml == null) xmlMethodNotFound(realThis, "nodeKind");
return xml.nodeKind();
}
case Id_prependChild: {
if (xml == null) xmlMethodNotFound(realThis, "prependChild");
return xml.prependChild(arg(args, 0));
}
case Id_removeNamespace: {
if (xml == null) xmlMethodNotFound(realThis, "removeNamespace");
Namespace ns = lib.castToNamespace(cx, arg(args, 0));
return xml.removeNamespace(ns);
}
case Id_replace: {
if (xml == null) xmlMethodNotFound(realThis, "replace");
XMLName xmlName = lib.toXMLNameOrIndex(cx, arg(args, 0));
Object arg1 = arg(args, 1);
if (xmlName == null) {
// I refuse to believe that this number will exceed 2^31
int index = (int)ScriptRuntime.lastUint32Result(cx);
return xml.replace(index, arg1);
} else {
return xml.replace(xmlName, arg1);
}
}
case Id_setChildren: {
if (xml == null) xmlMethodNotFound(realThis, "setChildren");
return xml.setChildren(arg(args, 0));
}
case Id_setLocalName: {
if (xml == null) xmlMethodNotFound(realThis, "setLocalName");
String localName;
Object arg = arg(args, 0);
if (arg instanceof QName) {
localName = ((QName)arg).localName();
} else {
localName = ScriptRuntime.toString(arg);
}
xml.setLocalName(localName);
return Undefined.instance;
}
case Id_setName: {
if (xml == null) xmlMethodNotFound(realThis, "setName");
Object arg = (args.length != 0) ? args[0] : Undefined.instance;
QName qname = lib.constructQName(cx, arg);
xml.setName(qname);
return Undefined.instance;
}
case Id_setNamespace: {
if (xml == null) xmlMethodNotFound(realThis, "setNamespace");
Namespace ns = lib.castToNamespace(cx, arg(args, 0));
xml.setNamespace(ns);
return Undefined.instance;
}
case Id_attribute: {
XMLName xmlName = XMLName.create( lib.toNodeQName(cx, arg(args, 0), true), true, false );
return realThis.getMatches(xmlName);
}
case Id_attributes:
return realThis.getMatches(XMLName.create(XmlNode.QName.create(null, null), true, false));
case Id_child: {
XMLName xmlName = lib.toXMLNameOrIndex(cx, arg(args, 0));
if (xmlName == null) {
// Two billion or so is a fine upper limit, so we cast to int
int index = (int)ScriptRuntime.lastUint32Result(cx);
return realThis.child(index);
} else {
return realThis.child(xmlName);
}
}
case Id_children:
return realThis.children();
case Id_comments:
return realThis.comments();
case Id_contains:
return ScriptRuntime.wrapBoolean(
realThis.contains(arg(args, 0)));
case Id_copy:
return realThis.copy();
case Id_descendants: {
XmlNode.QName qname = (args.length == 0) ? XmlNode.QName.create(null, null) : lib.toNodeQName(cx, args[0], false);
return realThis.getMatches( XMLName.create(qname, false, true) );
}
case Id_elements: {
XMLName xmlName = (args.length == 0)
? XMLName.formStar()
: lib.toXMLName(cx, args[0]);
return realThis.elements(xmlName);
}
case Id_hasOwnProperty: {
XMLName xmlName = lib.toXMLName(cx, arg(args, 0));
return ScriptRuntime.wrapBoolean(
realThis.hasOwnProperty(xmlName));
}
case Id_hasComplexContent:
return ScriptRuntime.wrapBoolean(realThis.hasComplexContent());
case Id_hasSimpleContent:
return ScriptRuntime.wrapBoolean(realThis.hasSimpleContent());
case Id_length:
return ScriptRuntime.wrapInt(realThis.length());
case Id_normalize:
realThis.normalize();
return Undefined.instance;
case Id_parent:
return realThis.parent();
case Id_processingInstructions: {
XMLName xmlName = (args.length > 0)
? lib.toXMLName(cx, args[0])
: XMLName.formStar();
return realThis.processingInstructions(xmlName);
}
case Id_propertyIsEnumerable: {
return ScriptRuntime.wrapBoolean(
realThis.propertyIsEnumerable(arg(args, 0)));
}
case Id_text:
return realThis.text();
case Id_toString:
return realThis.toString();
case Id_toSource:
int indent = ScriptRuntime.toInt32(args, 0);
return realThis.toSource(indent);
case Id_toXMLString: {
return realThis.toXMLString();
}
case Id_valueOf:
return realThis.valueOf();
}
throw new IllegalArgumentException(String.valueOf(id));
}
private static Object arg(Object[] args, int i) {
return (i < args.length) ? args[i] : Undefined.instance;
}
final XML newTextElementXML(XmlNode reference, XmlNode.QName qname, String value) {
return lib.newTextElementXML(reference, qname, value);
}
/* TODO: Hopefully this can be replaced with ecmaToXml below. */
final XML newXMLFromJs(Object inputObject) {
return lib.newXMLFromJs(inputObject);
}
final XML ecmaToXml(Object object) {
return lib.ecmaToXml(object);
}
final String ecmaEscapeAttributeValue(String s) {
// TODO Check this
String quoted = lib.escapeAttributeValue(s);
return quoted.substring(1, quoted.length() - 1);
}
final XML createEmptyXML() {
return newXML(XmlNode.createEmpty(getProcessor()));
}
}