private Node[] processIndexNode(
final Node theNode,
final Document theTargetDocument,
final IndexEntryFoundListener theIndexEntryFoundListener) {
theNode.normalize();
boolean ditastyle = false;
String textNode = null;
final NodeList childNodes = theNode.getChildNodes();
final StringBuilder textBuf = new StringBuilder();
final List<Node> contents = new ArrayList<Node>();
for (int i = 0; i < childNodes.getLength(); i++) {
final Node child = childNodes.item(i);
if (checkElementName(child)) {
ditastyle = true;
break;
} else if (child.getNodeType() == Node.ELEMENT_NODE) {
textBuf.append(XMLUtils.getStringValue((Element) child));
contents.add(child);
} else if (child.getNodeType() == Node.TEXT_NODE) {
textBuf.append(child.getNodeValue());
contents.add(child);
}
}
textNode = IndexStringProcessor.normalizeTextValue(textBuf.toString());
if (textNode.length() == 0) {
textNode = null;
}
if (theNode.getAttributes().getNamedItem(elIndexRangeStartName) != null
|| theNode.getAttributes().getNamedItem(elIndexRangeEndName) != null) {
ditastyle = true;
}
final ArrayList<Node> res = new ArrayList<Node>();
if ((ditastyle)) {
final IndexEntry[] indexEntries = indexDitaProcessor.processIndexDitaNode(theNode, "");
for (final IndexEntry indexEntrie : indexEntries) {
theIndexEntryFoundListener.foundEntry(indexEntrie);
}
final Node[] nodes = transformToNodes(indexEntries, theTargetDocument, null);
for (final Node node : nodes) {
res.add(node);
}
} else if (textNode != null) {
final Node[] nodes =
processIndexString(textNode, contents, theTargetDocument, theIndexEntryFoundListener);
for (final Node node : nodes) {
res.add(node);
}
} else {
return new Node[0];
}
return (Node[]) res.toArray(new Node[res.size()]);
}
/**
* Processes curr node. Copies node to the target document if its is not a text node of index
* entry element. Otherwise it process it and creates nodes with "prefix" in given "namespace_url"
* from the parsed index entry text.
*
* @param theNode node to process
* @param theTargetDocument target document used to import and create nodes
* @param theIndexEntryFoundListener listener to notify that new index entry was found
* @return the array of nodes after processing input node
*/
private Node[] processCurrNode(
final Node theNode,
final Document theTargetDocument,
final IndexEntryFoundListener theIndexEntryFoundListener) {
final NodeList childNodes = theNode.getChildNodes();
if (checkElementName(theNode)) {
return processIndexNode(theNode, theTargetDocument, theIndexEntryFoundListener);
} else {
final Node result = theTargetDocument.importNode(theNode, false);
for (int i = 0; i < childNodes.getLength(); i++) {
final Node[] processedNodes =
processCurrNode(childNodes.item(i), theTargetDocument, theIndexEntryFoundListener);
for (final Node node : processedNodes) {
result.appendChild(node);
}
}
return new Node[] {result};
}
}