Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ForHandler |
|
| 1.75;1.75 |
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 for loops. | |
26 | * | |
27 | * @author jrichard | |
28 | */ | |
29 | public class ForHandler 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 ForHandler(IndentationCheck aIndentCheck, | |
40 | DetailAST aAst, ExpressionHandler aParent) | |
41 | { | |
42 | 24 | super(aIndentCheck, "for", aAst, aParent); |
43 | 24 | } |
44 | ||
45 | /** | |
46 | * Check the indentation of the parameters of the 'for' loop. | |
47 | */ | |
48 | private void checkForParams() | |
49 | { | |
50 | 24 | final IndentLevel expected = |
51 | new IndentLevel(getLevel(), getBasicOffset()); | |
52 | 24 | final DetailAST init = getMainAst().findFirstToken(TokenTypes.FOR_INIT); |
53 | ||
54 | 24 | if (init != null) { |
55 | 22 | checkExpressionSubtree(init, expected, false, false); |
56 | ||
57 | 22 | final DetailAST cond = |
58 | getMainAst().findFirstToken(TokenTypes.FOR_CONDITION); | |
59 | 22 | checkExpressionSubtree(cond, expected, false, false); |
60 | ||
61 | 22 | final DetailAST iter = |
62 | getMainAst().findFirstToken(TokenTypes.FOR_ITERATOR); | |
63 | 22 | checkExpressionSubtree(iter, expected, false, false); |
64 | 22 | } |
65 | // for each | |
66 | else { | |
67 | 2 | final DetailAST forEach = |
68 | getMainAst().findFirstToken(TokenTypes.FOR_EACH_CLAUSE); | |
69 | 2 | checkExpressionSubtree(forEach, expected, false, false); |
70 | } | |
71 | 24 | } |
72 | ||
73 | @Override | |
74 | public void checkIndentation() | |
75 | { | |
76 | 24 | checkForParams(); |
77 | 24 | super.checkIndentation(); |
78 | 24 | } |
79 | ||
80 | @Override | |
81 | public IndentLevel suggestedChildLevel(ExpressionHandler aChild) | |
82 | { | |
83 | 35 | if (aChild instanceof ElseHandler) { |
84 | 0 | return getLevel(); |
85 | } | |
86 | 35 | return super.suggestedChildLevel(aChild); |
87 | } | |
88 | } |