1 /*******************************************************************************
2 * Copyright (c) 2000, 2004 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Common Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/cpl-v10.html
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 package net.sourceforge.phpdt.corext.refactoring.nls;
13 import org.eclipse.jface.text.Region;
14 import org.eclipse.jface.util.Assert;
16 public class NLSElement {
18 public static final String TAG_PREFIX = "//$NON-NLS-"; //$NON-NLS-1$
20 public static final int TAG_PREFIX_LENGTH = TAG_PREFIX.length();
22 public static final String TAG_POSTFIX = "$"; //$NON-NLS-1$
24 public static final int TAG_POSTFIX_LENGTH = TAG_POSTFIX.length();
26 /** The original string denoted by the position */
27 private String fValue;
29 /** The position of the original string */
30 private Region fPosition;
32 /** Position of the // $NON_NLS_*$ tag */
33 private Region fTagPosition;
35 /** Index of the Element in an NLSLine */
39 * Creates a new NLS element for the given string and position.
41 public NLSElement(String value, int start, int length, int index) {
44 Assert.isNotNull(fValue);
45 fPosition = new Region(start, length);
49 * Returns the position of the string to be NLSed.
51 * @return Returns the position of the string to be NLSed
53 public Region getPosition() {
58 * Returns the actual string value.
60 * @return the actual string value
62 public String getValue() {
67 * Sets the actual string value.
69 public void setValue(String value) {
74 * Sets the tag position if one is associated with the NLS element.
76 public void setTagPosition(int start, int length) {
77 fTagPosition = new Region(start, length);
81 * Returns the tag position for this element. The method can return
82 * <code>null</code>. In this case no tag has been found for this NLS
85 public Region getTagPosition() {
90 * Returns <code>true</code> if the NLS element has an assicated
91 * $NON-NLS-*$ tag. Otherwise <code>false</code> is returned.
93 public boolean hasTag() {
94 return fTagPosition != null && fTagPosition.getLength() > 0;
97 public static String createTagText(int index) {
98 return TAG_PREFIX + index + TAG_POSTFIX;
101 public String getTagText() {
102 return TAG_PREFIX + (fIndex + 1) + TAG_POSTFIX;
106 * (Non-Javadoc) Method declared in Object. only for debugging
108 public String toString() {
109 return fPosition + ": " + fValue + " Tag position: " + //$NON-NLS-2$ //$NON-NLS-1$
110 (hasTag() ? fTagPosition.toString() : "no tag found"); //$NON-NLS-1$