+++ /dev/null
-/**********************************************************************
- Copyright (c) 2000, 2002 IBM Corp. 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 implementation
- www.phpeclipse.de
- **********************************************************************/
-package net.sourceforge.phpeclipse.phpeditor.php;
-
-import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
-
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.swt.graphics.Point;
-
-/**
- * Detects PHP words in documents.
- */
-public class PHPWordExtractor {
-
- /**
- * Find the location of the word at offset in document.
- *
- * @returns Point - x is the start position, y is the end position. Return
- * null if it is not found.
- * @param document
- * the document being searched.
- * @param offset -
- * the position to start searching from.
- */
- public static Point findWord(IDocument document, int offset) {
-
- int start = -1;
- int end = -1;
-
- try {
-
- int position = offset;
- char character;
-
- while (position >= 0) {
- character = document.getChar(position);
- if (!Scanner.isPHPIdentifierPart(character)
- && (character != '$'))
- break;
- --position;
- }
-
- start = position;
-
- position = offset;
- int length = document.getLength();
-
- while (position < length) {
- character = document.getChar(position);
- if (!Scanner.isPHPIdentifierPart(character)
- && (character != '$'))
- break;
- ++position;
- }
-
- start++;
- end = position;
-
- if (end > start)
- return new Point(start, end - start);
-
- } catch (BadLocationException x) {
- }
-
- return null;
- }
-}