--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.text;
+
+import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.Region;
+
+public class JavaWordFinder {
+
+ 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);
+ if (c == '$') {
+ --pos;
+ break;
+ }
+ if (!Scanner.isPHPIdentifierPart(c))
+ break;
+
+ --pos;
+ }
+
+ start = pos;
+
+ pos = offset;
+ int length = document.getLength();
+
+ while (pos < length) {
+ c = document.getChar(pos);
+ if (!Scanner.isPHPIdentifierPart(c))
+ break;
+ ++pos;
+ }
+
+ end = pos;
+
+ } 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;
+ }
+}