Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
SwitchHandler |
|
| 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 switch statements. | |
26 | * | |
27 | * @author jrichard | |
28 | */ | |
29 | public class SwitchHandler extends BlockParentHandler | |
30 | { | |
31 | /** | |
32 | * Construct an instance of this handler with the given indentation check, | |
33 | * abstract syntax tree, and parent handler. | |
34 | * | |
35 | * @param aIndentCheck the indentation check | |
36 | * @param aAst the abstract syntax tree | |
37 | * @param aParent the parent handler | |
38 | */ | |
39 | public SwitchHandler(IndentationCheck aIndentCheck, | |
40 | DetailAST aAst, ExpressionHandler aParent) | |
41 | { | |
42 | 12 | super(aIndentCheck, "switch", aAst, aParent); |
43 | 12 | } |
44 | ||
45 | @Override | |
46 | protected DetailAST getLCurly() | |
47 | { | |
48 | 36 | return getMainAst().findFirstToken(TokenTypes.LCURLY); |
49 | } | |
50 | ||
51 | @Override | |
52 | protected DetailAST getRCurly() | |
53 | { | |
54 | 24 | return getMainAst().findFirstToken(TokenTypes.RCURLY); |
55 | } | |
56 | ||
57 | @Override | |
58 | protected DetailAST getListChild() | |
59 | { | |
60 | // all children should be taken care of by case handler (plus | |
61 | // there is no parent of just the cases, if checking is needed | |
62 | // here in the future, an additional way beyond checkChildren() | |
63 | // will have to be devised to get children) | |
64 | 12 | return null; |
65 | } | |
66 | ||
67 | @Override | |
68 | protected DetailAST getNonlistChild() | |
69 | { | |
70 | 12 | return null; |
71 | } | |
72 | ||
73 | /** | |
74 | * Check the indentation of the switch expression. | |
75 | */ | |
76 | private void checkSwitchExpr() | |
77 | { | |
78 | 12 | checkExpressionSubtree( |
79 | getMainAst().findFirstToken(TokenTypes.LPAREN). | |
80 | getNextSibling(), | |
81 | getLevel(), | |
82 | false, | |
83 | false); | |
84 | 12 | } |
85 | ||
86 | @Override | |
87 | public void checkIndentation() | |
88 | { | |
89 | 12 | checkSwitchExpr(); |
90 | 12 | super.checkIndentation(); |
91 | 12 | } |
92 | } |