| /******************************************************************************* |
| * Copyright (c) 2016 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 |
| * |
| * This is an implementation of an early-draft specification developed under the Java |
| * Community Process (JCP) and is made available for testing and evaluation purposes |
| * only. The code is not compatible with any specification of the JCP. |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.core.search.indexing; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.jdt.core.compiler.InvalidInputException; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.parser.Scanner; |
| import org.eclipse.jdt.internal.compiler.parser.TerminalTokens; |
| import org.eclipse.jdt.internal.compiler.util.SuffixConstants; |
| |
| public abstract class BinaryContainer extends IndexRequest { |
| |
| Scanner scanner; |
| public BinaryContainer(IPath containerPath, IndexManager manager) { |
| super(containerPath, manager); |
| } |
| |
| private boolean isIdentifier() throws InvalidInputException { |
| switch(this.scanner.scanIdentifier()) { |
| // assert and enum will not be recognized as java identifiers |
| // in 1.7 mode, which are in 1.3. |
| case TerminalTokens.TokenNameIdentifier: |
| case TerminalTokens.TokenNameassert: |
| case TerminalTokens.TokenNameenum: |
| return true; |
| default: |
| return false; |
| } |
| } |
| protected boolean isValidPackageNameForClassOrisModule(String className) { |
| if (className.substring(0, className.length() - (SuffixConstants.SUFFIX_CLASS.length)).equals(new String(IIndexConstants.MODULE_INFO))) |
| return true; |
| char[] classNameArray = className.toCharArray(); |
| // use 1.7 as the source level as there are more valid identifiers in 1.7 mode |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=376673 |
| if (this.scanner == null) |
| this.scanner = new Scanner(false /* comment */, true /* whitespace */, false /* nls */, |
| ClassFileConstants.JDK1_7/* sourceLevel */, null/* taskTag */, null/* taskPriorities */, true /* taskCaseSensitive */); |
| |
| this.scanner.setSource(classNameArray); |
| this.scanner.eofPosition = classNameArray.length - SuffixConstants.SUFFIX_CLASS.length; |
| try { |
| if (isIdentifier()) { |
| while (this.scanner.eofPosition > this.scanner.currentPosition) { |
| if (this.scanner.getNextChar() != '/' || this.scanner.eofPosition <= this.scanner.currentPosition) { |
| return false; |
| } |
| if (!isIdentifier()) return false; |
| } |
| return true; |
| } |
| } catch (InvalidInputException e) { |
| // invalid class name |
| } |
| return false; |
| } |
| } |