| /*=============================================================================# |
| # Copyright (c) 2005, 2019 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.text.ui.presentation; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.rules.IToken; |
| import org.eclipse.jface.text.rules.ITokenScanner; |
| import org.eclipse.jface.text.rules.Token; |
| |
| import org.eclipse.statet.ecommons.text.ui.settings.TextStyleManager; |
| |
| |
| public class SingleTokenScanner implements ITokenScanner { |
| |
| private static final byte EOF= 0; |
| private static final byte DEFAULT= 1; |
| |
| |
| private final TextStyleManager textStyles; |
| |
| private final IToken defaultToken; |
| |
| private int offset; |
| private int length; |
| |
| private byte state; |
| |
| |
| public SingleTokenScanner(final TextStyleManager textStyles, final String defaultTokenKey) { |
| this.textStyles= textStyles; |
| |
| this.defaultToken= this.textStyles.getToken(defaultTokenKey); |
| } |
| |
| |
| @Override |
| public void setRange(final IDocument document, final int offset, final int length) { |
| this.offset= offset; |
| this.length= length; |
| this.state= DEFAULT; |
| } |
| |
| @Override |
| public IToken nextToken() { |
| if (this.state == DEFAULT) { |
| this.state= EOF; |
| return this.defaultToken; |
| } |
| return Token.EOF; |
| } |
| |
| @Override |
| public int getTokenOffset() { |
| return this.offset; |
| } |
| |
| @Override |
| public int getTokenLength() { |
| return this.length; |
| } |
| |
| } |