| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.ui.propertiesfileeditor; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.rules.IToken; |
| import org.eclipse.jface.text.rules.IWordDetector; |
| import org.eclipse.jface.text.rules.WhitespaceRule; |
| import org.eclipse.jface.text.rules.WordRule; |
| |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| import org.eclipse.jdt.ui.text.IColorManager; |
| |
| import org.eclipse.jdt.internal.ui.text.AbstractJavaScanner; |
| import org.eclipse.jdt.internal.ui.text.JavaWhitespaceDetector; |
| |
| |
| /** |
| * A rule based property value scanner. |
| * |
| * @since 3.1 |
| */ |
| public final class PropertyValueScanner extends AbstractJavaScanner { |
| |
| public class AssignmentDetector implements IWordDetector { |
| |
| /* |
| * @see IWordDetector#isWordStart |
| */ |
| public boolean isWordStart(char c) { |
| if ('=' != c && ':' != c || fDocument == null) |
| return false; |
| |
| try { |
| // check whether it is the first '=' |
| IRegion lineInfo= fDocument.getLineInformationOfOffset(fOffset); |
| int offset= lineInfo.getOffset(); |
| String line= fDocument.get(offset, lineInfo.getLength()); |
| int i= line.indexOf(c); |
| return i != -1 && i + lineInfo.getOffset() + 1 == fOffset; |
| } catch (BadLocationException ex) { |
| return false; |
| } |
| } |
| |
| /* |
| * @see IWordDetector#isWordPart |
| */ |
| public boolean isWordPart(char c) { |
| return false; |
| } |
| } |
| |
| |
| private static String[] fgTokenProperties= { |
| PreferenceConstants.PROPERTIES_FILE_COLORING_VALUE, |
| PreferenceConstants.PROPERTIES_FILE_COLORING_ARGUMENT, |
| PreferenceConstants.PROPERTIES_FILE_COLORING_ASSIGNMENT |
| }; |
| |
| |
| /** |
| * Creates a property value code scanner |
| * |
| * @param manager the color manager |
| * @param store the preference store |
| */ |
| public PropertyValueScanner(IColorManager manager, IPreferenceStore store) { |
| super(manager, store); |
| initialize(); |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.text.AbstractJavaScanner#getTokenProperties() |
| */ |
| protected String[] getTokenProperties() { |
| return fgTokenProperties; |
| } |
| |
| /* |
| * @see org.eclipse.jdt.internal.ui.text.AbstractJavaScanner#createRules() |
| */ |
| protected List createRules() { |
| setDefaultReturnToken(getToken(PreferenceConstants.PROPERTIES_FILE_COLORING_VALUE)); |
| List rules= new ArrayList(); |
| |
| // Add rule for arguments. |
| IToken token= getToken(PreferenceConstants.PROPERTIES_FILE_COLORING_ARGUMENT); |
| rules.add(new ArgumentRule(token)); |
| |
| // Add word rule for assignment operator. |
| token= getToken(PreferenceConstants.PROPERTIES_FILE_COLORING_ASSIGNMENT); |
| WordRule wordRule= new WordRule(new AssignmentDetector(), token); |
| rules.add(wordRule); |
| |
| // Add generic whitespace rule. |
| rules.add(new WhitespaceRule(new JavaWhitespaceDetector())); |
| |
| return rules; |
| } |
| } |