/**
* Check to ensure that a docbook row has the required number of columns for a table.
*
* @param row The DOM row element to be checked.
* @param numColumns The number of entry elements that should exist in the row.
* @return True if the row has the required number of entries, otherwise false.
*/
public static boolean validateTableRow(final Node row, final int numColumns) {
assert row != null;
assert row.getNodeName().equals("row") || row.getNodeName().equals("tr");
if (row.getNodeName().equals("row")) {
final List<Node> entries = XMLUtilities.getDirectChildNodes(row, "entry");
final List<Node> entryTbls = XMLUtilities.getDirectChildNodes(row, "entrytbl");
if ((entries.size() + entryTbls.size()) <= numColumns) {
for (final Node entryTbl : entryTbls) {
if (!validateEntryTbl((Element) entryTbl)) return false;
}
return true;
} else {
return false;
}
} else {
final List<Node> nodes = XMLUtilities.getDirectChildNodes(row, "td", "th");
return nodes.size() <= numColumns;
}
}
/**
* Check to ensure that a Docbook tgroup isn't missing an row entries, using number of cols
* defined for the tgroup.
*
* @param tgroup The DOM tgroup element to be checked.
* @return True if the tgroup has the required number of entries, otherwise false.
*/
public static boolean validateTableGroup(final Element tgroup) {
assert tgroup != null;
assert tgroup.getNodeName().equals("tgroup");
final Integer numColumns = Integer.parseInt(tgroup.getAttribute("cols"));
// Check that all the thead, tbody and tfoot elements have the correct number of entries.
final List<Node> nodes = XMLUtilities.getDirectChildNodes(tgroup, "thead", "tbody", "tfoot");
for (final Node ele : nodes) {
// Find all child nodes that are a row
final NodeList children = ele.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
final Node node = children.item(i);
if (node.getNodeName().equals("row") || node.getNodeName().equals("tr")) {
if (!validateTableRow(node, numColumns)) return false;
}
}
}
return true;
}