| /******************************************************************************* |
| * Copyright (c) 2005, 2017 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.console.ui; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.SortedSet; |
| import java.util.TreeSet; |
| |
| import org.eclipse.jface.text.rules.FastPartitioner; |
| import org.eclipse.jface.text.rules.IPredicateRule; |
| import org.eclipse.jface.text.rules.IRule; |
| import org.eclipse.jface.text.rules.IToken; |
| import org.eclipse.jface.text.rules.MultiLineRule; |
| import org.eclipse.jface.text.rules.RuleBasedPartitionScanner; |
| import org.eclipse.jface.text.rules.Token; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.StyleRange; |
| import org.eclipse.ui.console.IConsoleDocumentPartitioner; |
| |
| public class ScriptConsolePartitioner extends FastPartitioner implements IConsoleDocumentPartitioner { |
| |
| private SortedSet<StyleRange> ranges = new TreeSet<>((sr1, sr2) -> { |
| int start = sr1.start - sr2.start; |
| if (start == 0) { |
| return sr1.length - sr2.length; |
| } |
| return start; |
| }); |
| |
| private static class Constants { |
| public static final String MY_DOUBLE_QUOTED = "__my_double"; //$NON-NLS-1$ |
| |
| public static final String MY_SINGLE_QUOTED = "__my_single"; //$NON-NLS-1$ |
| } |
| |
| private static class MyPartitionScanner extends RuleBasedPartitionScanner { |
| public MyPartitionScanner() { |
| IToken myDouble = new Token(Constants.MY_DOUBLE_QUOTED); |
| IToken mySingle = new Token(Constants.MY_SINGLE_QUOTED); |
| |
| List<IRule> rules = new ArrayList<>(); |
| |
| rules.add(new MultiLineRule("\'", "\'", mySingle, '\\')); //$NON-NLS-1$ //$NON-NLS-2$ |
| rules.add(new MultiLineRule("\"", "\"", myDouble, '\\')); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| IPredicateRule[] result = new IPredicateRule[rules.size()]; |
| rules.toArray(result); |
| |
| setPredicateRules(result); |
| } |
| } |
| |
| public ScriptConsolePartitioner() { |
| |
| super(new MyPartitionScanner(), new String[] { Constants.MY_DOUBLE_QUOTED, Constants.MY_SINGLE_QUOTED }); |
| } |
| |
| public void addRange(StyleRange r) { |
| ranges.add(r); |
| } |
| |
| public void addRanges(StyleRange[] r) { |
| ranges.addAll(Arrays.asList(r)); |
| } |
| |
| public void clearRanges() { |
| ranges.clear(); |
| } |
| |
| @Override |
| public StyleRange[] getStyleRanges(int offset, int length) { |
| List<StyleRange> result = new ArrayList<>(); |
| // get the sublist with length = 0 so that it will return all with that |
| // offset. |
| StyleRange sr = new StyleRange(offset, 0, null, null, SWT.NO); |
| for (Iterator<StyleRange> iterator = ranges.tailSet(sr).iterator(); iterator.hasNext();) { |
| StyleRange r = iterator.next(); |
| if (r.start >= offset && r.start + r.length <= offset + length) |
| result.add((StyleRange) r.clone()); |
| else |
| break; |
| } |
| |
| if (result.size() > 0) |
| return result.toArray(new StyleRange[result.size()]); |
| |
| sr.length = length; |
| return new StyleRange[] { sr }; |
| } |
| |
| @Override |
| public boolean isReadOnly(int offset) { |
| return false; |
| } |
| } |