/** Process the current Node */
public final void processNode() {
Action handler = input.getAction();
if (handler != null) {
doAction(handler.getActionCode(), handler);
// Equivalent to calling handler.action(input, this, output)
} else {
// System.err.println("No handler! " + logNode(input.getActive()));
expandCurrentNode();
// MUST BE equivalent to the default action for a node.
}
}
/** Perform any additional action requested by the action routine. */
protected final void doAction(int flag, Action handler) {
// debug(" -> " + Action.actionNames[flag+1] + " (" + flag + ")\n");
switch (flag) {
case Action.COPY_NODE:
copyCurrentNode(input.getNode());
return;
case Action.ACTIVE_NODE:
handler.action(input, this, output);
return;
case Action.EXPAND_NODE:
expandCurrentNode();
return;
case Action.PUT_NODE:
putCurrentNode();
return;
}
}