| /******************************************************************************* |
| * Copyright (c) 2004 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.taginfo; |
| |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.Region; |
| |
| /** |
| * Copied from org.eclipse.wst.jsdt.internal.ui.text.JavaWordFinder |
| */ |
| class JsWordFinder { |
| |
| public static IRegion findWord(IDocument document, int offset) { |
| |
| int start = -1; |
| int end = -1; |
| |
| try { |
| |
| int pos = offset; |
| char c; |
| |
| while (pos >= 0) { |
| c = document.getChar(pos); |
| // System.out.println("JavaWordFinder.findWord() Test java char |
| // (--):" + c); |
| if (!Character.isJavaIdentifierPart(c)) { |
| break; |
| } |
| --pos; |
| } |
| |
| start = pos; |
| |
| pos = offset; |
| int length = document.getLength(); |
| |
| while (pos < length) { |
| c = document.getChar(pos); |
| // System.out.println("JavaWordFinder.findWord() Test java char |
| // (++):" + c); |
| if (!Character.isJavaIdentifierPart(c)) { |
| break; |
| } |
| ++pos; |
| } |
| |
| end = pos; |
| // System.out.println("Start:" + start + "End:"+end); |
| // System.out.println("JavaWordFinder.findWord() Retrieved java |
| // token of:" + document.get(start, end-start) ); |
| } catch (BadLocationException x) { |
| } |
| |
| if (start > -1 && end > -1) { |
| |
| if (start == offset && end == offset) { |
| return new Region(offset, 0); |
| } else if (start == offset) { |
| return new Region(start, end - start); |
| } else { |
| return new Region(start + 1, end - start - 1); |
| } |
| } |
| |
| return null; |
| } |
| } |