/**
* Returns a string representation of a path summary node.
*
* @param data data reference
* @param level level
* @return string representation
*/
byte[] info(final Data data, final int level) {
final TokenBuilder tb = new TokenBuilder();
if (level != 0) tb.add(Text.NL);
for (int i = 0; i < level << 1; ++i) tb.add(' ');
switch (kind) {
case Data.DOC:
tb.add(DOC);
break;
case Data.ELEM:
tb.add(data.elemNames.key(name));
break;
case Data.TEXT:
tb.add(TEXT);
break;
case Data.ATTR:
tb.add(ATT);
tb.add(data.attrNames.key(name));
break;
case Data.COMM:
tb.add(COMMENT);
break;
case Data.PI:
tb.add(PI);
break;
}
tb.add(": " + stats);
for (final PathNode p : children) tb.add(p.info(data, level + 1));
return tb.finish();
}
/**
* Writes the node to the specified output stream.
*
* @param out output stream
* @throws IOException I/O exception
*/
void write(final DataOutput out) throws IOException {
out.writeNum(name);
out.write1(kind);
out.writeNum(0);
out.writeNum(children.length);
out.writeDouble(1);
// update leaf flag
boolean leaf = stats.isLeaf();
for (final PathNode child : children) {
leaf &= child.kind == Data.TEXT || child.kind == Data.ATTR;
}
stats.setLeaf(leaf);
stats.write(out);
for (final PathNode child : children) child.write(out);
}
/**
* Recursively adds the node and its descendants to the specified list with the specified name.
*
* @param nodes node list
* @param nm name id
*/
public void addDesc(final ArrayList<PathNode> nodes, final int nm) {
if (kind == Data.ELEM && nm == name) nodes.add(this);
for (final PathNode child : children) child.addDesc(nodes, nm);
}
/**
* Recursively adds the node and its descendants to the specified list.
*
* @param nodes node list
*/
void addDesc(final ArrayList<PathNode> nodes) {
nodes.add(this);
for (final PathNode child : children) child.addDesc(nodes);
}