| /******************************************************************************* |
| * Copyright (c) 2004, 2006 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.jst.jsp.core.internal.java; |
| |
| |
| |
| import java.util.Properties; |
| import com.ibm.icu.util.StringTokenizer; |
| |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; |
| |
| /** |
| * class to handle chunks of text/regions |
| * with escaped character data |
| * @author pavery |
| */ |
| public class EscapedTextUtil { |
| |
| public static Properties fXMLtoJavaLookup = null; |
| |
| /** |
| * @return unescaped full text of that region, "" if there is no text |
| */ |
| public static String getUnescapedText(IStructuredDocumentRegion parent, ITextRegion r) { |
| String test = (parent != r) ? parent.getFullText(r) : parent.getFullText(); |
| return getUnescapedText(test); |
| } |
| |
| public static String getUnescapedText(String test) { |
| initLookup(); |
| StringBuffer buffer = new StringBuffer(); |
| if (test != null) { |
| StringTokenizer st = new StringTokenizer(test, "&;", true); //$NON-NLS-1$ |
| String tok1, tok2, tok3, transString; |
| while (st.hasMoreTokens()) { |
| tok1 = tok2 = tok3 = transString = ""; //$NON-NLS-1$ |
| tok1 = st.nextToken(); |
| if (tok1.equals("&") && st.hasMoreTokens()) //$NON-NLS-1$ |
| { |
| tok2 = st.nextToken(); |
| if (st.hasMoreTokens()) { |
| tok3 = st.nextToken(); |
| } |
| } |
| if (!(transString = fXMLtoJavaLookup.getProperty(tok1 + tok2 + tok3, "")).equals("")) //$NON-NLS-2$ //$NON-NLS-1$ |
| { |
| buffer.append(transString); |
| } |
| else { |
| buffer.append(tok1 + tok2 + tok3); |
| } |
| } |
| return buffer.toString(); |
| } |
| return ""; //$NON-NLS-1$ |
| } |
| |
| /** |
| * initialize lookup tables |
| */ |
| private static void initLookup() { |
| fXMLtoJavaLookup = new Properties(); |
| fXMLtoJavaLookup.setProperty("'", "'"); //$NON-NLS-2$ //$NON-NLS-1$ |
| fXMLtoJavaLookup.setProperty(""", "\""); //$NON-NLS-2$ //$NON-NLS-1$ |
| fXMLtoJavaLookup.setProperty("&", "&"); //$NON-NLS-2$ //$NON-NLS-1$ |
| fXMLtoJavaLookup.setProperty("<", "<"); //$NON-NLS-2$ //$NON-NLS-1$ |
| fXMLtoJavaLookup.setProperty(">", ">"); //$NON-NLS-2$ //$NON-NLS-1$ |
| fXMLtoJavaLookup.setProperty(" ", " "); //$NON-NLS-2$ //$NON-NLS-1$ |
| } |
| |
| /** |
| * Get the String representation of an entity reference. |
| */ |
| public static String translateEntityReference(String entity) { |
| return fXMLtoJavaLookup.getProperty(entity, entity); |
| } |
| } |
| |