public static int nearestBlock(Node node) {
int nearest = 0;
Node parent = node.parent();
while (parent != null) {
++nearest;
if (NodeUtil.isProximityBlock(parent.nodeName())) {
return nearest;
}
parent = parent.parent();
}
return Integer.MAX_VALUE;
}
public static boolean isItem(Node node, HtmlNode matchResult, HtmlNode matchParent) {
if (matchResult != null) {
return matches(matchResult, node);
}
if (matchParent != null) {
return node.parent() != null && matches(matchParent, node.parent());
}
for (int i = 0; i < items.length; i++) {
if (node.nodeName().equalsIgnoreCase(items[i])) {
return true;
}
}
return false;
}
public void head(Node source, int depth) {
if (source instanceof Element) {
Element sourceEl = (Element) source;
if (whitelist.isSafeTag(sourceEl.tagName())) { // safe, clone and copy safe attrs
ElementMeta meta = createSafeElement(sourceEl);
Element destChild = meta.el;
destination.appendChild(destChild);
numDiscarded += meta.numAttribsDiscarded;
destination = destChild;
} else if (source
!= root) { // not a safe tag, so don't add. don't count root against discarded.
numDiscarded++;
}
} else if (source instanceof TextNode) {
TextNode sourceText = (TextNode) source;
TextNode destText = new TextNode(sourceText.getWholeText(), source.baseUri());
destination.appendChild(destText);
} else if (source instanceof DataNode && whitelist.isSafeTag(source.parent().nodeName())) {
DataNode sourceData = (DataNode) source;
DataNode destData = new DataNode(sourceData.getWholeData(), source.baseUri());
destination.appendChild(destData);
} else { // else, we don't care about comments, xml proc instructions, etc
numDiscarded++;
}
}
public List<Node> findSiblings(Node node) {
Preconditions.checkNotNull(node);
Node parent = node.parent();
if (null == parent) return null;
return parent.childNodes();
}
static void markVisible(Node node) {
if (node != null) {
if (node.nodeName().equals("select")) {
node.traverse(
new NodeVisitor() {
@Override
public void tail(Node n, int d) {}
@Override
public void head(Node n, int d) {
n.attr("class", hiddenMarker.matcher(n.attr("class")).replaceAll(""));
}
});
}
node.attr("class", hiddenMarker.matcher(node.attr("class")).replaceAll(""));
markVisible(node.parent());
}
}