/** Visit the given node at the given depth */
private void visitNode(int depth, Node node) {
if (node == mStartNode) {
mInRange = true;
}
if (mInRange) {
visitBeforeChildren(depth, node);
if (mOpenTagOnly && mStartNode == node) {
mInRange = false;
return;
}
}
NodeList children = node.getChildNodes();
for (int i = 0, n = children.getLength(); i < n; i++) {
Node child = children.item(i);
visitNode(depth + 1, child);
}
if (mInRange) {
visitAfterChildren(depth, node);
}
if (node == mEndNode) {
mInRange = false;
}
}
/**
* Start pretty-printing at the given node, which must either be the startNode or contain it as a
* descendant.
*
* @param rootDepth the depth of the given node, used to determine indentation
* @param root the node to start pretty printing from (which may not itself be included in the
* start to end node range but should contain it)
* @param startNode the node to start formatting at
* @param endNode the node to end formatting at
* @param out the {@link StringBuilder} to pretty print into
* @param openTagOnly if true, only format the open tag of the startNode (and nothing else)
*/
public void prettyPrint(
int rootDepth,
Node root,
Node startNode,
Node endNode,
StringBuilder out,
boolean openTagOnly) {
if (startNode == null) {
startNode = root;
}
if (endNode == null) {
endNode = root;
}
assert !openTagOnly || startNode == endNode;
mStartNode = startNode;
mOpenTagOnly = openTagOnly;
mEndNode = endNode;
mOut = out;
mInRange = false;
mIndentString = mPrefs.getOneIndentUnit();
visitNode(rootDepth, root);
if (mEndWithNewline && !endsWithLineSeparator()) {
mOut.append(mLineSeparator);
}
}