| /******************************************************************************* |
| * Copyright (c) 2004, 2009 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 |
| * Frits Jalvingh - contributions for bug 150794 |
| *******************************************************************************/ |
| package org.eclipse.jst.jsp.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; |
| |
| /** |
| * A Java code scanner. |
| */ |
| class JavaCodeScanner extends org.eclipse.jface.text.rules.RuleBasedScanner { |
| private IToken fKeywordToken; |
| private IToken fTypeToken; |
| private IToken fStringToken; |
| private IToken fSingleLineCommentToken; |
| private IToken fDefaultToken; |
| |
| private static String[] fgKeywords = {"abstract", //$NON-NLS-1$ |
| "break", //$NON-NLS-1$ |
| "case", "catch", "class", "continue", //$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| "default", "do", //$NON-NLS-2$//$NON-NLS-1$ |
| "else", "extends", //$NON-NLS-2$//$NON-NLS-1$ |
| "final", "finally", "for", //$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| "if", "implements", "import", "instanceof", "interface", //$NON-NLS-5$//$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| "native", "new", //$NON-NLS-2$//$NON-NLS-1$ |
| "package", "private", "protected", "public", //$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| "return", //$NON-NLS-1$ |
| "static", "super", "switch", "synchronized", //$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| "this", "throw", "throws", "transient", "try", //$NON-NLS-5$//$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| "volatile", //$NON-NLS-1$ |
| "while", //$NON-NLS-1$ |
| "strictfp",//$NON-NLS-1$ |
| }; |
| private static String[] fgTypes = {"void", "boolean", "char", "byte", "short", "int", "long", "float", "double"};//$NON-NLS-9$//$NON-NLS-8$//$NON-NLS-7$//$NON-NLS-6$//$NON-NLS-5$//$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| private static String[] fgConstants = {"false", "null", "true"};//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ |
| |
| /** |
| * Creates a Java code scanner |
| */ |
| public JavaCodeScanner() { |
| 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 < fgKeywords.length; i++) |
| wordRule.addWord(fgKeywords[i], fKeywordToken); |
| for (int i = 0; i < fgTypes.length; i++) |
| wordRule.addWord(fgTypes[i], fTypeToken); |
| for (int i = 0; i < fgConstants.length; i++) |
| wordRule.addWord(fgConstants[i], fTypeToken); |
| rules.add(wordRule); |
| |
| // Add the double-quoted string rule |
| rules.add(new DoubleQuotedStringRule(fStringToken)); |
| |
| IRule[] result = new IRule[rules.size()]; |
| rules.toArray(result); |
| setRules(result); |
| } |
| |
| public void setTokenData(String tokenKey, Object data) { |
| if (tokenKey == IStyleConstantsJSPJava.JAVA_KEYWORD) { |
| fKeywordToken = new Token(data); |
| fTypeToken = new Token(data); |
| } else if (tokenKey == IStyleConstantsJSPJava.JAVA_STRING) { |
| fStringToken = new Token(data); |
| } else if (tokenKey == IStyleConstantsJSPJava.JAVA_SINGLE_LINE_COMMENT) { |
| fSingleLineCommentToken = new Token(data); |
| } else if (tokenKey == IStyleConstantsJSPJava.JAVA_DEFAULT) { |
| fDefaultToken = new Token(data); |
| } |
| } |
| } |