| /******************************************************************************* |
| * Copyright (c) 2004, 2008 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.wst.jsdt.web.ui.internal.style.java; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.text.rules.EndOfLineRule; |
| 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.SingleLineRule; |
| import org.eclipse.jface.text.rules.Token; |
| import org.eclipse.jface.text.rules.WordRule; |
| import org.eclipse.wst.jsdt.web.core.javascript.JsDataTypes; |
| |
| /** |
| * |
| |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| class JSDTCodeScanner extends org.eclipse.jface.text.rules.RuleBasedScanner { |
| private static String[] fgConstants = JsDataTypes.CONSTANTS; |
| private static String[] fgKeywords = JsDataTypes.KEYWORDS; |
| private static String[] fgTypes = JsDataTypes.TYPES; |
| private IToken fDefaultToken; |
| private IToken fKeywordToken; |
| private IToken fSingleLineCommentToken; |
| private IToken fStringToken; |
| private IToken fTypeToken; |
| |
| /** |
| * Creates a Java code scanner |
| */ |
| public JSDTCodeScanner() { |
| super(); |
| } |
| |
| public void initializeRules() { |
| List rules = new ArrayList(); |
| // Add rule for multiple line comments. |
| rules.add(new MultiLineRule("/*", "*/", fSingleLineCommentToken));//$NON-NLS-1$ //$NON-NLS-2$ |
| // Add rule for single line comments. |
| rules.add(new EndOfLineRule("//", fSingleLineCommentToken));//$NON-NLS-1$ |
| // Add rule for strings and character constants. |
| rules.add(new SingleLineRule("\"", "\"", fStringToken, '\\'));//$NON-NLS-2$//$NON-NLS-1$ |
| rules.add(new SingleLineRule("'", "'", fStringToken, '\\'));//$NON-NLS-2$//$NON-NLS-1$ |
| // Add generic whitespace rule. |
| // rules.add(new WhitespaceRule(new JavaWhitespaceDetector())); |
| // Add word rule for keywords, types, and constants. |
| WordRule wordRule = new WordRule(new JavaWordDetector(), fDefaultToken); |
| for (int i = 0; i < JSDTCodeScanner.fgKeywords.length; i++) { |
| wordRule.addWord(JSDTCodeScanner.fgKeywords[i], fKeywordToken); |
| } |
| for (int i = 0; i < JSDTCodeScanner.fgTypes.length; i++) { |
| wordRule.addWord(JSDTCodeScanner.fgTypes[i], fTypeToken); |
| } |
| for (int i = 0; i < JSDTCodeScanner.fgConstants.length; i++) { |
| wordRule.addWord(JSDTCodeScanner.fgConstants[i], fTypeToken); |
| } |
| rules.add(wordRule); |
| IRule[] result = new IRule[rules.size()]; |
| rules.toArray(result); |
| setRules(result); |
| } |
| |
| public void setTokenData(String tokenKey, Object data) { |
| if (tokenKey == IStyleConstantsJSDT.JAVA_KEYWORD) { |
| fKeywordToken = new Token(data); |
| fTypeToken = new Token(data); |
| } else if (tokenKey == IStyleConstantsJSDT.JAVA_STRING) { |
| fStringToken = new Token(data); |
| } else if (tokenKey == IStyleConstantsJSDT.JAVA_SINGLE_LINE_COMMENT) { |
| fSingleLineCommentToken = new Token(data); |
| } else if (tokenKey == IStyleConstantsJSDT.JAVA_DEFAULT) { |
| fDefaultToken = new Token(data); |
| } |
| } |
| } |