| /******************************************************************************* |
| * Copyright (c) 2000, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.console; |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.console.IConsoleLineTracker; |
| import org.eclipse.debug.ui.console.IConsoleLineTrackerExtension; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.Region; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.ui.console.IConsoleConstants; |
| import org.eclipse.ui.console.IPatternMatchListener; |
| import org.eclipse.ui.console.PatternMatchEvent; |
| import org.eclipse.ui.console.TextConsole; |
| |
| /** |
| * Tracks text appended to the console and notifies listeners in terms of whole |
| * lines. |
| */ |
| public class ConsoleLineNotifier implements IPatternMatchListener, IPropertyChangeListener { |
| /** |
| * Console listeners |
| */ |
| private List<IConsoleLineTracker> fListeners = new ArrayList<>(2); |
| |
| /** |
| * The console this notifier is tracking |
| */ |
| private ProcessConsole fConsole = null; |
| |
| @Override |
| public void connect(TextConsole console) { |
| if (console instanceof ProcessConsole) { |
| fConsole = (ProcessConsole)console; |
| |
| for (IConsoleLineTracker lineTracker : DebugUIPlugin.getDefault().getProcessConsoleManager().getLineTrackers(fConsole.getProcess())) { |
| lineTracker.init(fConsole); |
| addConsoleListener(lineTracker); |
| } |
| |
| fConsole.addPropertyChangeListener(this); |
| } |
| } |
| |
| @Override |
| public synchronized void disconnect() { |
| try { |
| IDocument document = fConsole.getDocument(); |
| if (document != null) { |
| int lastLine = document.getNumberOfLines() - 1; |
| if (document.getLineDelimiter(lastLine) == null) { |
| IRegion lineInformation = document.getLineInformation(lastLine); |
| lineAppended(lineInformation); |
| } |
| } |
| } catch (BadLocationException e) { |
| } |
| } |
| |
| /** |
| * Notification the console's streams have been closed |
| */ |
| public synchronized void consoleClosed() { |
| int size = fListeners.size(); |
| for (int i = 0; i < size; i++) { |
| IConsoleLineTracker tracker = fListeners.get(i); |
| if (tracker instanceof IConsoleLineTrackerExtension) { |
| ((IConsoleLineTrackerExtension) tracker).consoleClosed(); |
| } |
| tracker.dispose(); |
| } |
| |
| fConsole = null; |
| fListeners = null; |
| } |
| |
| /** |
| * Adds the given listener to the list of listeners notified when a line of |
| * text is appended to the console. |
| * |
| * @param listener the listener to add |
| */ |
| public void addConsoleListener(IConsoleLineTracker listener) { |
| if (!fListeners.contains(listener)) { |
| fListeners.add(listener); |
| } |
| } |
| |
| @Override |
| public void matchFound(PatternMatchEvent event) { |
| try { |
| IDocument document = fConsole.getDocument(); |
| int lineOfOffset = document.getLineOfOffset(event.getOffset()); |
| String delimiter = document.getLineDelimiter(lineOfOffset); |
| int strip = delimiter==null ? 0 : delimiter.length(); |
| Region region = new Region(event.getOffset(), event.getLength()-strip); |
| lineAppended(region); |
| } catch (BadLocationException e) {} |
| } |
| |
| public void lineAppended(IRegion region) { |
| int size = fListeners.size(); |
| for (int i=0; i<size; i++) { |
| IConsoleLineTracker tracker = fListeners.get(i); |
| tracker.lineAppended(region); |
| } |
| } |
| |
| @Override |
| public void propertyChange(PropertyChangeEvent event) { |
| if(event.getProperty().equals(IConsoleConstants.P_CONSOLE_OUTPUT_COMPLETE)) { |
| fConsole.removePropertyChangeListener(this); |
| consoleClosed(); |
| } |
| } |
| |
| @Override |
| public String getPattern() { |
| return ".*\\r(\\n?)|.*\\n"; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public int getCompilerFlags() { |
| return 0; |
| } |
| |
| @Override |
| public String getLineQualifier() { |
| return "\\n|\\r"; //$NON-NLS-1$ |
| } |
| |
| } |