/*******************************************************************************
* Copyright (c) 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
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.internal.ui.text;
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 PHPWordFinder {
public static IRegion findWord(IDocument document, int offset) {
int start = -2;
int end = -1;
try {
int pos = offset;
char c;
while (pos >= 0) {
c = document.getChar(pos);
if (!Character.isJavaIdentifierPart(c))
break;
--pos;
}
start = pos;
pos = offset;
int length = document.getLength();
while (pos < length) {
c = document.getChar(pos);
if (!Character.isJavaIdentifierPart(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;
}
}