/*
* Copyright 2010 Alibaba Group Holding Limited.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @(#)DOMElementImpl.java 1.11 2000/08/16
*
*/
package org.w3c.tidy;
import org.w3c.dom.Attr;
import org.w3c.dom.DOMException;
import org.w3c.dom.TypeInfo;
import org.w3c.dom.UserDataHandler;
/**
* DOMElementImpl (c) 1998-2000 (W3C) MIT, INRIA, Keio University See Tidy.java
* for the copyright notice. Derived from <a
* href="http://www.w3.org/People/Raggett/tidy"> HTML Tidy Release 4 Aug
* 2000</a>
*
* @author Dave Raggett <dsr@w3.org>
* @author Andy Quick <ac.quick@sympatico.ca> (translation to Java)
* @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
*/
public class DOMElementImpl extends DOMNodeImpl implements org.w3c.dom.Element {
protected DOMElementImpl(Node adaptee) {
super(adaptee);
}
/* --------------------- DOM ---------------------------- */
/** @see org.w3c.dom.Node#getNodeType */
@Override
public short getNodeType() {
return org.w3c.dom.Node.ELEMENT_NODE;
}
/** @see org.w3c.dom.Element#getTagName */
public String getTagName() {
return super.getNodeName();
}
/** @see org.w3c.dom.Element#getAttribute */
public String getAttribute(String name) {
if (this.adaptee == null) {
return null;
}
AttVal att = this.adaptee.attributes;
while (att != null) {
if (att.attribute.equals(name)) {
break;
}
att = att.next;
}
if (att != null) {
return att.value;
} else {
return "";
}
}
/** @see org.w3c.dom.Element#setAttribute */
public void setAttribute(String name, String value) throws DOMException {
if (this.adaptee == null) {
return;
}
AttVal att = this.adaptee.attributes;
while (att != null) {
if (att.attribute.equals(name)) {
break;
}
att = att.next;
}
if (att != null) {
att.value = value;
} else {
att = new AttVal(null, null, '"', name, value);
att.dict = AttributeTable.getDefaultAttributeTable().findAttribute(att);
if (this.adaptee.attributes == null) {
this.adaptee.attributes = att;
} else {
att.next = this.adaptee.attributes;
this.adaptee.attributes = att;
}
}
}
/** @see org.w3c.dom.Element#removeAttribute */
public void removeAttribute(String name) throws DOMException {
if (this.adaptee == null) {
return;
}
AttVal att = this.adaptee.attributes;
AttVal pre = null;
while (att != null) {
if (att.attribute.equals(name)) {
break;
}
pre = att;
att = att.next;
}
if (att != null) {
if (pre == null) {
this.adaptee.attributes = att.next;
} else {
pre.next = att.next;
}
}
}
/** @see org.w3c.dom.Element#getAttributeNode */
public org.w3c.dom.Attr getAttributeNode(String name) {
if (this.adaptee == null) {
return null;
}
AttVal att = this.adaptee.attributes;
while (att != null) {
if (att.attribute.equals(name)) {
break;
}
att = att.next;
}
if (att != null) {
return att.getAdapter();
} else {
return null;
}
}
/** @see org.w3c.dom.Element#setAttributeNode */
public org.w3c.dom.Attr setAttributeNode(org.w3c.dom.Attr newAttr) throws DOMException {
if (newAttr == null) {
return null;
}
if (!(newAttr instanceof DOMAttrImpl)) {
throw new DOMExceptionImpl(DOMException.WRONG_DOCUMENT_ERR, "newAttr not instanceof DOMAttrImpl");
}
DOMAttrImpl newatt = (DOMAttrImpl) newAttr;
String name = newatt.avAdaptee.attribute;
org.w3c.dom.Attr result = null;
AttVal att = this.adaptee.attributes;
while (att != null) {
if (att.attribute.equals(name)) {
break;
}
att = att.next;
}
if (att != null) {
result = att.getAdapter();
att.adapter = newAttr;
} else {
if (this.adaptee.attributes == null) {
this.adaptee.attributes = newatt.avAdaptee;
} else {
newatt.avAdaptee.next = this.adaptee.attributes;
this.adaptee.attributes = newatt.avAdaptee;
}
}
return result;
}
/** @see org.w3c.dom.Element#removeAttributeNode */
public org.w3c.dom.Attr removeAttributeNode(org.w3c.dom.Attr oldAttr) throws DOMException {
if (oldAttr == null) {
return null;
}
org.w3c.dom.Attr result = null;
AttVal att = this.adaptee.attributes;
AttVal pre = null;
while (att != null) {
if (att.getAdapter() == oldAttr) {
break;
}
pre = att;
att = att.next;
}
if (att != null) {
if (pre == null) {
this.adaptee.attributes = att.next;
} else {
pre.next = att.next;
}
result = oldAttr;
} else {
throw new DOMExceptionImpl(DOMException.NOT_FOUND_ERR, "oldAttr not found");
}
return result;
}
/** @see org.w3c.dom.Element#getElementsByTagName */
public org.w3c.dom.NodeList getElementsByTagName(String name) {
return new DOMNodeListByTagNameImpl(this.adaptee, name);
}
/** @see org.w3c.dom.Element#normalize */
@Override
public void normalize() {
// NOT SUPPORTED
}
/** DOM2 - not implemented. */
public String getAttributeNS(String namespaceURI, String localName) {
return null;
}
/**
* DOM2 - not implemented.
*
* @throws org.w3c.dom.DOMException
*/
public void setAttributeNS(String namespaceURI, String qualifiedName, String value)
throws org.w3c.dom.DOMException {
}
/**
* DOM2 - not implemented.
*
* @throws org.w3c.dom.DOMException
*/
public void removeAttributeNS(String namespaceURI, String localName) throws org.w3c.dom.DOMException {
}
/** DOM2 - not implemented. */
public org.w3c.dom.Attr getAttributeNodeNS(String namespaceURI, String localName) {
return null;
}
/**
* DOM2 - not implemented.
*
* @throws org.w3c.dom.DOMException
*/
public org.w3c.dom.Attr setAttributeNodeNS(org.w3c.dom.Attr newAttr) throws org.w3c.dom.DOMException {
return null;
}
/** DOM2 - not implemented. */
public org.w3c.dom.NodeList getElementsByTagNameNS(String namespaceURI, String localName) {
return null;
}
/** DOM2 - not implemented. */
public boolean hasAttribute(String name) {
return false;
}
/** DOM2 - not implemented. */
public boolean hasAttributeNS(String namespaceURI, String localName) {
return false;
}
public TypeInfo getSchemaTypeInfo() {
return null;
}
public void setIdAttribute(String name, boolean isId) throws DOMException {
}
public void setIdAttributeNS(String namespaceURI, String localName, boolean isId) throws DOMException {
}
public void setIdAttributeNode(Attr idAttr, boolean isId) throws DOMException {
}
@Override
public short compareDocumentPosition(org.w3c.dom.Node other) throws DOMException {
return 0;
}
@Override
public String getBaseURI() {
return null;
}
@Override
public Object getFeature(String feature, String version) {
return null;
}
@Override
public String getTextContent() throws DOMException {
return null;
}
@Override
public Object getUserData(String key) {
return null;
}
@Override
public boolean isDefaultNamespace(String namespaceURI) {
return false;
}
@Override
public boolean isEqualNode(org.w3c.dom.Node arg) {
return false;
}
@Override
public boolean isSameNode(org.w3c.dom.Node other) {
return false;
}
@Override
public String lookupNamespaceURI(String prefix) {
return null;
}
@Override
public String lookupPrefix(String namespaceURI) {
return null;
}
@Override
public void setTextContent(String textContent) throws DOMException {
}
@Override
public Object setUserData(String key, Object data, UserDataHandler handler) {
return null;
}
}