/**********************************************************************
-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
+ 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
-**********************************************************************/
+ Contributors:
+ IBM Corporation - Initial implementation
+ www.phpeclipse.de
+ **********************************************************************/
package net.sourceforge.phpeclipse.phpeditor.php;
import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
*/
public class HTMLWordExtractor {
- /**
- * 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) {
+ /**
+ * 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;
+ int start = -1;
+ int end = -1;
- try {
+ try {
- int position = offset;
- char character = ' ';
+ int position = offset;
+ char character = ' ';
- while (position >= 0) {
- character = document.getChar(position);
- if (!Scanner.isPHPIdentifierPart(character))
- break;
- --position;
- }
- if ((position > 0) && (character == '<')) {
- --position;
- }
- if ((position > 1) && (character == '/')) {
- character = document.getChar(position - 1);
- if (character == '<') {
- --position;
- --position;
- }
- }
- if (position==offset) {
- return null;
- }
+ while (position >= 0) {
+ character = document.getChar(position);
+ if (!Scanner.isPHPIdentifierPart(character))
+ break;
+ --position;
+ }
+ if ((position > 0) && (character == '<')) {
+ --position;
+ }
+ if ((position > 1) && (character == '/')) {
+ character = document.getChar(position - 1);
+ if (character == '<') {
+ --position;
+ --position;
+ }
+ }
+ if (position == offset) {
+ return null;
+ }
- start = position;
+ start = position;
- position = offset;
- int length = document.getLength();
- character = ' ';
+ position = offset;
+ int length = document.getLength();
+ character = ' ';
- while (position < length) {
- character = document.getChar(position);
- if (!Scanner.isPHPIdentifierPart(character))
- break;
- ++position;
- }
- if ((position < length) && (character == '>')) {
- ++position;
- }
- start++;
- end = position;
+ while (position < length) {
+ character = document.getChar(position);
+ if (!Scanner.isPHPIdentifierPart(character))
+ break;
+ ++position;
+ }
+ if ((position < length) && (character == '>')) {
+ ++position;
+ }
+ start++;
+ end = position;
- if (end > start)
- return new Point(start, end - start);
+ if (end > start)
+ return new Point(start, end - start);
- } catch (BadLocationException x) {
- }
+ } catch (BadLocationException x) {
+ }
- return null;
- }
+ return null;
+ }
}