private Expression createFunction(String name, int noOfMembers) throws SAXPathException {
if (noOfMembers == 0) {
if (name.equals("position")) {
Step step = stepStack.peekLast();
if (step != null) {
int axis = step.axis;
if (axis == Axis.SELF
|| ((axis == Axis.ATTRIBUTE || axis == Axis.NAMESPACE)
&& step.constraint instanceof QName)
|| step.predicateSet.getPredicate() instanceof ExactPosition)
return new Literal(DataType.ONE, DataType.NUMBER);
}
return new Position();
} else if (name.equals("last")) {
Step step = stepStack.peekLast();
if (step != null) {
int axis = step.axis;
if (axis == Axis.SELF
|| ((axis == Axis.ATTRIBUTE || axis == Axis.NAMESPACE)
&& step.constraint instanceof QName)
|| step.predicateSet.getPredicate() instanceof ExactPosition)
return new Literal(DataType.ONE, DataType.NUMBER);
}
return new Last();
} else if (name.equals("true")) return new Literal(Boolean.TRUE, DataType.BOOLEAN);
else if (name.equals("false")) return new Literal(Boolean.FALSE, DataType.BOOLEAN);
}
Function function = Functions.library.get(name);
if (function == null) throw new SAXPathException("Unknown function: " + name);
return new FunctionCall(function, noOfMembers);
}
private void displayOutput(String site, String restoredAccount) {
// Get a reference to the layout where the card will be displayed
final LinearLayout layout = (LinearLayout) findViewById(R.id.now_layout);
// Create the View for the card
final CardView card = new CardView(this);
// Specify layout parameters to be applied
LinearLayout.LayoutParams lp =
new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
lp.setMargins(0, 20, 0, 0);
// Set the internal state of the card
card.setSite(site);
// Show the prettier string if available
if (siteNames.containsKey(site)) {
card.setSiteHeaderText(siteNames.get(site));
} else {
card.setSiteHeaderText(site);
}
// Check if account is specified or pick the most recent from the search history if not
if (restoredAccount == null) {
if (!searchHistory.isEmpty()) {
card.setSiteAccountText("Compromised: " + searchHistory.peekLast());
}
} else {
card.setSiteAccountText(restoredAccount);
}
if (siteDescriptions.containsKey(site)) {
card.setSiteDescriptionText(siteDescriptions.get(site));
} else {
card.setSiteDescriptionText(getString(R.string.card_description_unavailable));
}
card.setLayoutParams(lp);
// Create the swipe-to-dismiss touch listener.
card.setOnTouchListener(
new SwipeDismissTouchListener(
card,
null,
new SwipeDismissTouchListener.DismissCallbacks() {
@Override
public boolean canDismiss(Object token) {
return true;
}
@Override
public void onDismiss(View view, Object token) {
layout.removeView(card);
}
}));
layout.addView(card);
}
public void run() {
super.run();
long currentTime = this.bh.getTime();
if (!auctionSubmissionTimes.isEmpty() && currentTime >= auctionSubmissionTimes.peekLast()) {
auctionSubmissionTimes.removeLast();
submitAuction();
}
}
// undo
// 从undoQueue中删除并放到redoQueue中
public String undo() {
String last = undoQueue.pollLast();
if (last != null) {
redoQueue.addLast(last);
}
return undoQueue.peekLast();
}
void handleWorkUnitComplete(WorkUnit w) {
for (int depId : w.getDependencyIds()) {
m_missingDependencies.remove(depId);
}
// slide this new stack frame drop into the right position
// (before any other stack frame drops)
if ((w.shouldResumeProcedure())
&& (m_readyWorkUnits.peekLast() != null)
&& (m_readyWorkUnits.peekLast().shouldResumeProcedure())) {
ArrayDeque<WorkUnit> deque = new ArrayDeque<WorkUnit>();
while ((m_readyWorkUnits.peekLast() != null)
&& (m_readyWorkUnits.peekLast().shouldResumeProcedure())) {
deque.add(m_readyWorkUnits.pollLast());
}
deque.add(w);
while (deque.size() > 0) m_readyWorkUnits.add(deque.pollLast());
} else {
m_readyWorkUnits.add(w);
}
}
/** peeks into current frame */
private Object peek() {
return peekFrame.peekLast();
}
private ArrayDeque popFrame() {
ArrayDeque frame = frames.pollLast();
peekFrame = frames.peekLast();
return frame;
}
/**
* Add a {@link Doc.Break} to the current {@link Doc.Level}.
*
* @param breakDoc the {@link Doc.Break}
*/
void breakDoc(Doc.Break breakDoc) {
appendLevel = stack.peekLast();
appendLevel.add(breakDoc);
}
/** Close the current {@link Doc.Level}. */
void close() {
Doc.Level top = stack.removeLast();
stack.peekLast().add(top);
}
