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package com.jclark.xsl.dom;
import com.jclark.xsl.om.*;
class ElementNode extends ContainerNode {
private Name name;
private AttributeNode[] attributeNodes = null;
ElementNode(org.w3c.dom.Node domNode, ContainerNode parent, int childIndex) {
super(domNode, parent, childIndex);
org.w3c.dom.NamedNodeMap domAttributes = domNode.getAttributes();
int len = domAttributes.getLength();
if (len == 0)
return;
attributeNodes = new AttributeNode[len];
int firstPrefixIndex = -1;
for (int i = 0; i < len; i++) {
org.w3c.dom.Node domAttribute = domAttributes.item(i);
String qName = domAttribute.getNodeName();
switch (qName.indexOf(':')) {
case -1:
if (qName.equals("xmlns")) {
String uri = domAttribute.getNodeValue();
if (uri.length() == 0)
prefixMap = prefixMap.unbindDefault();
else
prefixMap = prefixMap.bindDefault(uri);
}
else
attributeNodes[i] = new AttributeNode(root.nameTable.createName(domAttribute.getNodeName()),
domAttribute,
this,
// attributes occur before children
i - len - 1);
break;
case 3:
if (qName.equals("xml:space")) {
String value = domAttribute.getNodeValue();
if ("preserve".equals(value))
preserveSpace = true;
else if ("default".equals(value))
preserveSpace = false;
}
if (firstPrefixIndex < 0)
firstPrefixIndex = i;
break;
case 5:
if (qName.startsWith("xmlns")) {
prefixMap = prefixMap.bind(qName.substring(6),
domAttribute.getNodeValue());
break;
}
// fall through
default:
if (firstPrefixIndex < 0)
firstPrefixIndex = i;
break;
}
}
if (firstPrefixIndex >= 0) {
// global attributes are hopefully relatively rare
for (int i = firstPrefixIndex; i < len; i++) {
if (attributeNodes[i] == null) {
org.w3c.dom.Node domAttribute = domAttributes.item(i);
String qName = domAttribute.getNodeName();
if (qName.startsWith("xmlns")
&& (qName.length() == 5 || qName.charAt(5) == ':'))
;
else {
try {
attributeNodes[i]
= new AttributeNode(prefixMap.expandAttributeName(domAttribute.getNodeName(),
null),
domAttribute,
this,
// attributes occur before children
i - len - 1);
}
catch (XSLException e) { }
}
}
}
}
}
public byte getType() {
return ELEMENT;
}
public Name getName() {
if (name == null) {
String qName = domNode.getNodeName();
try {
name = prefixMap.expandElementTypeName(qName, null);
}
catch (XSLException e) {
name = root.nameTable.createName(qName);
}
}
return name;
}
public String getAttributeValue(Name name) {
if (attributeNodes == null)
return null;
for (int i = 0; i < attributeNodes.length; i++)
if (attributeNodes[i] != null && name.equals(attributeNodes[i].name))
return attributeNodes[i].getData();
return null;
}
public Node getAttribute(Name name) {
if (attributeNodes == null)
return null;
for (int i = 0; i < attributeNodes.length; i++)
if (attributeNodes[i] != null && name.equals(attributeNodes[i].name))
return attributeNodes[i];
return null;
}
class AttributesIterator implements SafeNodeIterator {
int i = 0;
public Node next() {
while (i < attributeNodes.length) {
Node attributeNode = attributeNodes[i++];
if (attributeNode != null)
return attributeNode;
}
return null;
}
}
public SafeNodeIterator getAttributes() {
if (attributeNodes == null)
return NullNodeIterator.getInstance();
return new AttributesIterator();
}
public boolean getPreserveSpace() {
return preserveSpace || !root.loadContext.getStripSource(getName());
}
}
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