| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.ui.text; |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.runtime.Preferences; |
| import org.eclipse.cdt.core.CCorePlugin; |
| |
| import org.eclipse.cdt.internal.ui.text.IColorManager; |
| import org.eclipse.cdt.internal.ui.text.ICColorConstants; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.text.rules.IToken; |
| import org.eclipse.jface.text.rules.IWordDetector; |
| import org.eclipse.jface.text.rules.Token; |
| import org.eclipse.jface.text.rules.WordRule; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| |
| |
| /** |
| * CCommentScanner.java |
| */ |
| public class CCommentScanner extends AbstractCScanner |
| { |
| private static class TaskTagDetector implements IWordDetector { |
| |
| public boolean isWordStart(char c) { |
| return Character.isLetter(c); |
| } |
| |
| public boolean isWordPart(char c) { |
| return Character.isLetter(c); |
| } |
| }; |
| |
| private class TaskTagRule extends WordRule { |
| |
| private IToken fToken; |
| |
| public TaskTagRule(IToken token) { |
| super(new TaskTagDetector(), Token.UNDEFINED); |
| fToken= token; |
| } |
| |
| public void clearTaskTags() { |
| fWords.clear(); |
| } |
| |
| public void addTaskTags(String value) { |
| String[] tasks= split(value, ","); //$NON-NLS-1$ |
| for (int i= 0; i < tasks.length; i++) { |
| if (tasks[i].length() > 0) { |
| addWord(tasks[i], fToken); |
| } |
| } |
| } |
| |
| private String[] split(String value, String delimiters) { |
| StringTokenizer tokenizer= new StringTokenizer(value, delimiters); |
| int size= tokenizer.countTokens(); |
| String[] tokens= new String[size]; |
| int i= 0; |
| while (i < size) |
| tokens[i++]= tokenizer.nextToken(); |
| return tokens; |
| } |
| } |
| |
| private static final String TRANSLATION_TASK_TAGS= CCorePlugin.TRANSLATION_TASK_TAGS; |
| protected static final String TASK_TAG= ICColorConstants.TASK_TAG; |
| |
| private TaskTagRule fTaskTagRule; |
| private Preferences fCorePreferenceStore; |
| private String fDefaultTokenProperty; |
| private String[] fTokenProperties; |
| |
| public CCommentScanner(IColorManager manager, IPreferenceStore store, Preferences coreStore, String defaultTokenProperty) { |
| this(manager, store, coreStore, defaultTokenProperty, new String[] { defaultTokenProperty, TASK_TAG }); |
| } |
| |
| public CCommentScanner(IColorManager manager, IPreferenceStore store, Preferences coreStore, String defaultTokenProperty, String[] tokenProperties) { |
| super(manager, store); |
| |
| fCorePreferenceStore= coreStore; |
| fDefaultTokenProperty= defaultTokenProperty; |
| fTokenProperties= tokenProperties; |
| |
| initialize(); |
| } |
| |
| /* |
| * @see AbstractCScanner#createRules() |
| */ |
| protected List createRules() { |
| List list= new ArrayList(); |
| |
| if (fCorePreferenceStore != null) { |
| // Add rule for Task Tags. |
| fTaskTagRule= new TaskTagRule(getToken(TASK_TAG)); |
| String tasks= fCorePreferenceStore.getString(TRANSLATION_TASK_TAGS); |
| fTaskTagRule.addTaskTags(tasks); |
| list.add(fTaskTagRule); |
| } |
| |
| setDefaultReturnToken(getToken(fDefaultTokenProperty)); |
| |
| return list; |
| } |
| |
| /* |
| * @see org.eclipse.cdt.internal.ui.text.AbstractJavaScanner#affectsBehavior(org.eclipse.jface.util.PropertyChangeEvent) |
| */ |
| public boolean affectsBehavior(PropertyChangeEvent event) { |
| return event.getProperty().equals(TRANSLATION_TASK_TAGS) || super.affectsBehavior(event); |
| } |
| |
| /* |
| * @see org.eclipse.cdt.internal.ui.text.AbstractJavaScanner#adaptToPreferenceChange(org.eclipse.jface.util.PropertyChangeEvent) |
| */ |
| public void adaptToPreferenceChange(PropertyChangeEvent event) { |
| if (fTaskTagRule != null && event.getProperty().equals(TRANSLATION_TASK_TAGS)) { |
| Object value= event.getNewValue(); |
| |
| if (value instanceof String) { |
| fTaskTagRule.clearTaskTags(); |
| fTaskTagRule.addTaskTags((String) value); |
| } |
| |
| } else if (super.affectsBehavior(event)) { |
| super.adaptToPreferenceChange(event); |
| } |
| } |
| |
| /* |
| * @see org.eclipse.cdt.internal.ui.text.AbstractJavaScanner#getTokenProperties() |
| */ |
| protected String[] getTokenProperties() { |
| return fTokenProperties; |
| } |
| |
| } |