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The Adobe Experience Manager SDK
/* -*- 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.*;
import java.util.ArrayList;
class XMLList extends XMLObjectImpl implements Function {
static final long serialVersionUID = -4543618751670781135L;
private XmlNode.InternalList _annos;
private XMLObjectImpl targetObject = null;
private XmlNode.QName targetProperty = null;
XMLList(XMLLibImpl lib, Scriptable scope, XMLObject prototype) {
super(lib, scope, prototype);
_annos = new XmlNode.InternalList();
}
/* TODO Will probably end up unnecessary as we move things around */
XmlNode.InternalList getNodeList() {
return _annos;
}
// TODO Should be XMLObjectImpl, XMLName?
void setTargets(XMLObjectImpl object, XmlNode.QName property) {
targetObject = object;
targetProperty = property;
}
/* TODO: original author marked this as deprecated */
private XML getXmlFromAnnotation(int index) {
return getXML(_annos, index);
}
@Override
XML getXML() {
if (length() == 1) return getXmlFromAnnotation(0);
return null;
}
private void internalRemoveFromList(int index) {
_annos.remove(index);
}
void replace(int index, XML xml) {
if (index < length()) {
XmlNode.InternalList newAnnoList = new XmlNode.InternalList();
newAnnoList.add(_annos, 0, index);
newAnnoList.add(xml);
newAnnoList.add(_annos, index+1, length());
_annos = newAnnoList;
}
}
private void insert(int index, XML xml) {
if (index < length()) {
XmlNode.InternalList newAnnoList = new XmlNode.InternalList();
newAnnoList.add(_annos, 0, index);
newAnnoList.add(xml);
newAnnoList.add(_annos, index, length());
_annos = newAnnoList;
}
}
//
//
// methods overriding ScriptableObject
//
//
@Override
public String getClassName() {
return "XMLList";
}
//
//
// methods overriding IdScriptableObject
//
//
@Override
public Object get(int index, Scriptable start) {
//Log("get index: " + index);
if (index >= 0 && index < length()) {
return getXmlFromAnnotation(index);
} else {
return Scriptable.NOT_FOUND;
}
}
@Override
boolean hasXMLProperty(XMLName xmlName) {
// Has should return true if the property would have results > 0
return getPropertyList(xmlName).length() > 0;
}
@Override
public boolean has(int index, Scriptable start) {
return 0 <= index && index < length();
}
@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));
}
}
@Override
Object getXMLProperty(XMLName name) {
return getPropertyList(name);
}
private void replaceNode(XML xml, XML with) {
xml.replaceWith(with);
}
@Override
public void put(int index, Scriptable start, Object value) {
Object parent = Undefined.instance;
// Convert text into XML if needed.
XMLObject xmlValue;
// Special-case checks for undefined and null
if (value == null) {
value = "null";
} else if (value instanceof Undefined) {
value = "undefined";
}
if (value instanceof XMLObject) {
xmlValue = (XMLObject) value;
} else {
if (targetProperty == null) {
xmlValue = newXMLFromJs(value.toString());
} else {
// Note that later in the code, we will use this as an argument to replace(int,value)
// So we will be "replacing" this element with itself
// There may well be a better way to do this
// TODO Find a way to refactor this whole method and simplify it
xmlValue = item(index);
if (xmlValue == null) {
XML x = item(0);
xmlValue = x == null
? newTextElementXML(null,targetProperty,null)
: x.copy();
}
((XML)xmlValue).setChildren(value);
}
}
// Find the parent
if (index < length()) {
parent = item(index).parent();
} else if (length() == 0) {
parent = targetObject != null ? targetObject.getXML() : parent();
} else {
// Appending
parent = parent();
}
if (parent instanceof XML) {
// found parent, alter doc
XML xmlParent = (XML) parent;
if (index < length()) {
// We're replacing the the node.
XML xmlNode = getXmlFromAnnotation(index);
if (xmlValue instanceof XML) {
replaceNode(xmlNode, (XML) xmlValue);
replace(index, xmlNode);
} else if (xmlValue instanceof XMLList) {
// Replace the first one, and add the rest on the list.
XMLList list = (XMLList) xmlValue;
if (list.length() > 0) {
int lastIndexAdded = xmlNode.childIndex();
replaceNode(xmlNode, list.item(0));
replace(index, list.item(0));
for (int i = 1; i < list.length(); i++) {
xmlParent.insertChildAfter(xmlParent.getXmlChild(lastIndexAdded), list.item(i));
lastIndexAdded++;
insert(index + i, list.item(i));
}
}
}
} else {
// Appending
xmlParent.appendChild(xmlValue);
addToList(xmlParent.getLastXmlChild());
}
} else {
// Don't all have same parent, no underlying doc to alter
if (index < length()) {
XML xmlNode = getXML(_annos, index);
if (xmlValue instanceof XML) {
replaceNode(xmlNode, (XML) xmlValue);
replace(index, xmlNode);
} else if (xmlValue instanceof XMLList) {
// Replace the first one, and add the rest on the list.
XMLList list = (XMLList) xmlValue;
if (list.length() > 0) {
replaceNode(xmlNode, list.item(0));
replace(index, list.item(0));
for (int i = 1; i < list.length(); i++) {
insert(index + i, list.item(i));
}
}
}
} else {
addToList(xmlValue);
}
}
}
private XML getXML(XmlNode.InternalList _annos, int index) {
if (index >= 0 && index < length()) {
return xmlFromNode(_annos.item(index));
} else {
return null;
}
}
@Override
void deleteXMLProperty(XMLName name) {
for (int i = 0; i < length(); i++) {
XML xml = getXmlFromAnnotation(i);
if (xml.isElement()) {
xml.deleteXMLProperty(name);
}
}
}
@Override
public void delete(int index) {
if (index >= 0 && index < length()) {
XML xml = getXmlFromAnnotation(index);
xml.remove();
internalRemoveFromList(index);
}
}
@Override
public Object[] getIds() {
Object enumObjs[];
if (isPrototype()) {
enumObjs = new Object[0];
} else {
enumObjs = new Object[length()];
for (int i = 0; i < enumObjs.length; i++) {
enumObjs[i] = Integer.valueOf(i);
}
}
return enumObjs;
}
public Object[] getIdsForDebug() {
return getIds();
}
// XMLList will remove will delete all items in the list (a set delete) this differs from the XMLList delete operator.
void remove() {
int nLen = length();
for (int i = nLen - 1; i >= 0; i--) {
XML xml = getXmlFromAnnotation(i);
if (xml != null) {
xml.remove();
internalRemoveFromList(i);
}
}
}
XML item(int index) {
return _annos != null
? getXmlFromAnnotation(index) : createEmptyXML();
}
private void setAttribute(XMLName xmlName, Object value) {
for (int i = 0; i < length(); i++) {
XML xml = getXmlFromAnnotation(i);
xml.setAttribute(xmlName, value);
}
}
void addToList(Object toAdd) {
_annos.addToList(toAdd);
}
//
//
// Methods from section 12.4.4 in the spec
//
//
@Override
XMLList child(int index) {
XMLList result = newXMLList();
for (int i = 0; i < length(); i++) {
result.addToList(getXmlFromAnnotation(i).child(index));
}
return result;
}
@Override
XMLList child(XMLName xmlName) {
XMLList result = newXMLList();
for (int i = 0; i < length(); i++) {
result.addToList(getXmlFromAnnotation(i).child(xmlName));
}
return result;
}
@Override
void addMatches(XMLList rv, XMLName name) {
for (int i=0; i list = new ArrayList();
for (int i = 0; i < length(); i++) {
XML xml = getXmlFromAnnotation(i);
if (xml != null) {
XMLList childList = xml.children();
int cChildren = childList.length();
for (int j = 0; j < cChildren; j++) {
list.add(childList.item(j));
}
}
}
XMLList allChildren = newXMLList();
int sz = list.size();
for (int i = 0; i < sz; i++) {
allChildren.addToList(list.get(i));
}
return allChildren;
}
@Override
XMLList comments() {
XMLList result = newXMLList();
for (int i = 0; i < length(); i++) {
XML xml = getXmlFromAnnotation(i);
result.addToList(xml.comments());
}
return result;
}
@Override
XMLList elements(XMLName name) {
XMLList rv = newXMLList();
for (int i=0; i 0);
}
}
@Override
boolean hasComplexContent() {
boolean complexContent;
int length = length();
if (length == 0) {
complexContent = false;
} else if (length == 1) {
complexContent = getXmlFromAnnotation(0).hasComplexContent();
} else {
complexContent = false;
for (int i = 0; i < length; i++) {
XML nextElement = getXmlFromAnnotation(i);
if (nextElement.isElement()) {
complexContent = true;
break;
}
}
}
return complexContent;
}
@Override
boolean hasSimpleContent() {
if (length() == 0) {
return true;
} else if (length() == 1) {
return getXmlFromAnnotation(0).hasSimpleContent();
} else {
for (int i=0; i © 2015 - 2024 Weber Informatics LLC | Privacy Policy