blob: 89259da8933a2a240151e87e04c99a52e8e5dc5b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*******************************************************************************
* Copyright (c) 2000, 2007 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
*******************************************************************************/
package org.eclipse.wst.jsdt.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 JavaWordFinder {
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;
}
}
|
