Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
LabelHandler |
|
| 1.0;1 |
1 | //////////////////////////////////////////////////////////////////////////////// | |
2 | // checkstyle: Checks Java source code for adherence to a set of rules. | |
3 | // Copyright (C) 2001-2014 Oliver Burn | |
4 | // | |
5 | // This library is free software; you can redistribute it and/or | |
6 | // modify it under the terms of the GNU Lesser General Public | |
7 | // License as published by the Free Software Foundation; either | |
8 | // version 2.1 of the License, or (at your option) any later version. | |
9 | // | |
10 | // This library is distributed in the hope that it will be useful, | |
11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | // Lesser General Public License for more details. | |
14 | // | |
15 | // You should have received a copy of the GNU Lesser General Public | |
16 | // License along with this library; if not, write to the Free Software | |
17 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | //////////////////////////////////////////////////////////////////////////////// | |
19 | package com.puppycrawl.tools.checkstyle.checks.indentation; | |
20 | ||
21 | import com.puppycrawl.tools.checkstyle.api.DetailAST; | |
22 | import com.puppycrawl.tools.checkstyle.api.TokenTypes; | |
23 | ||
24 | /** | |
25 | * Handler for labels. | |
26 | * | |
27 | * @author jrichard | |
28 | */ | |
29 | public class LabelHandler extends ExpressionHandler | |
30 | { | |
31 | /** | |
32 | * The types of expressions that are children of a label. | |
33 | */ | |
34 | 9 | private final int[] mLabelChildren = new int[] { |
35 | TokenTypes.IDENT, | |
36 | }; | |
37 | ||
38 | /** | |
39 | * Construct an instance of this handler with the given indentation check, | |
40 | * abstract syntax tree, and parent handler. | |
41 | * | |
42 | * @param aIndentCheck the indentation check | |
43 | * @param aExpr the abstract syntax tree | |
44 | * @param aParent the parent handler | |
45 | */ | |
46 | public LabelHandler(IndentationCheck aIndentCheck, | |
47 | DetailAST aExpr, ExpressionHandler aParent) | |
48 | { | |
49 | 9 | super(aIndentCheck, "label", aExpr, aParent); |
50 | 9 | } |
51 | ||
52 | @Override | |
53 | protected IndentLevel getLevelImpl() | |
54 | { | |
55 | 9 | return new IndentLevel(super.getLevelImpl(), -getBasicOffset()); |
56 | } | |
57 | ||
58 | /** | |
59 | * Check the indentation of the label. | |
60 | */ | |
61 | private void checkLabel() | |
62 | { | |
63 | 9 | checkChildren(getMainAst(), mLabelChildren, getLevel(), true, false); |
64 | 9 | } |
65 | ||
66 | @Override | |
67 | public void checkIndentation() | |
68 | { | |
69 | 9 | checkLabel(); |
70 | // need to check children (like 'block' parents do) | |
71 | 9 | final DetailAST parent = getMainAst().getFirstChild().getNextSibling(); |
72 | ||
73 | 9 | final IndentLevel expected = |
74 | new IndentLevel(getLevel(), getBasicOffset()); | |
75 | ||
76 | 9 | checkExpressionSubtree(parent, expected, true, false); |
77 | 9 | } |
78 | } |