| 1 | //////////////////////////////////////////////////////////////////////////////// | |
| 2 | // checkstyle: Checks Java source code for adherence to a set of rules. | |
| 3 | // Copyright (C) 2001-2017 the original author or authors. | |
| 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 | ||
| 20 | package com.puppycrawl.tools.checkstyle.checks.whitespace; | |
| 21 | ||
| 22 | import java.util.Locale; | |
| 23 | ||
| 24 | import com.puppycrawl.tools.checkstyle.api.AbstractCheck; | |
| 25 | import com.puppycrawl.tools.checkstyle.api.DetailAST; | |
| 26 | import com.puppycrawl.tools.checkstyle.utils.CommonUtils; | |
| 27 | ||
| 28 | /** | |
| 29 | * <p>Abstract class for checking the padding of parentheses. That is whether a | |
| 30 | * space is required after a left parenthesis and before a right parenthesis, | |
| 31 | * or such spaces are forbidden. | |
| 32 | * </p> | |
| 33 | * @author Oliver Burn | |
| 34 | */ | |
| 35 | public abstract class AbstractParenPadCheck | |
| 36 | extends AbstractCheck { | |
| 37 | ||
| 38 | /** | |
| 39 | * A key is pointing to the warning message text in "messages.properties" | |
| 40 | * file. | |
| 41 | */ | |
| 42 | public static final String MSG_WS_FOLLOWED = "ws.followed"; | |
| 43 | ||
| 44 | /** | |
| 45 | * A key is pointing to the warning message text in "messages.properties" | |
| 46 | * file. | |
| 47 | */ | |
| 48 | public static final String MSG_WS_NOT_FOLLOWED = "ws.notFollowed"; | |
| 49 | ||
| 50 | /** | |
| 51 | * A key is pointing to the warning message text in "messages.properties" | |
| 52 | * file. | |
| 53 | */ | |
| 54 | public static final String MSG_WS_PRECEDED = "ws.preceded"; | |
| 55 | ||
| 56 | /** | |
| 57 | * A key is pointing to the warning message text in "messages.properties" | |
| 58 | * file. | |
| 59 | */ | |
| 60 | public static final String MSG_WS_NOT_PRECEDED = "ws.notPreceded"; | |
| 61 | ||
| 62 | /** Open parenthesis literal. */ | |
| 63 | private static final char OPEN_PARENTHESIS = '('; | |
| 64 | ||
| 65 | /** Close parenthesis literal. */ | |
| 66 | private static final char CLOSE_PARENTHESIS = ')'; | |
| 67 | ||
| 68 | /** The policy to enforce. */ | |
| 69 | private PadOption option = PadOption.NOSPACE; | |
| 70 | ||
| 71 | /** | |
| 72 | * Set the option to enforce. | |
| 73 | * @param optionStr string to decode option from | |
| 74 | * @throws IllegalArgumentException if unable to decode | |
| 75 | */ | |
| 76 | public void setOption(String optionStr) { | |
| 77 | try { | |
| 78 | option = PadOption.valueOf(optionStr.trim().toUpperCase(Locale.ENGLISH)); | |
| 79 | } | |
| 80 | catch (IllegalArgumentException iae) { | |
| 81 | throw new IllegalArgumentException("unable to parse " + optionStr, iae); | |
| 82 | } | |
| 83 | } | |
| 84 | ||
| 85 | /** | |
| 86 | * Process a token representing a left parentheses. | |
| 87 | * @param ast the token representing a left parentheses | |
| 88 | */ | |
| 89 | protected void processLeft(DetailAST ast) { | |
| 90 |
1
1. processLeft : Replaced integer subtraction with addition → KILLED |
final String line = getLines()[ast.getLineNo() - 1]; |
| 91 |
1
1. processLeft : Replaced integer addition with subtraction → KILLED |
final int after = ast.getColumnNo() + 1; |
| 92 |
2
1. processLeft : changed conditional boundary → KILLED 2. processLeft : negated conditional → KILLED |
if (after < line.length()) { |
| 93 |
1
1. processLeft : negated conditional → KILLED |
if (option == PadOption.NOSPACE |
| 94 |
1
1. processLeft : negated conditional → KILLED |
&& Character.isWhitespace(line.charAt(after))) { |
| 95 |
1
1. processLeft : removed call to com/puppycrawl/tools/checkstyle/checks/whitespace/AbstractParenPadCheck::log → KILLED |
log(ast.getLineNo(), after, MSG_WS_FOLLOWED, OPEN_PARENTHESIS); |
| 96 | } | |
| 97 |
1
1. processLeft : negated conditional → KILLED |
else if (option == PadOption.SPACE |
| 98 |
1
1. processLeft : negated conditional → KILLED |
&& !Character.isWhitespace(line.charAt(after)) |
| 99 |
1
1. processLeft : negated conditional → KILLED |
&& line.charAt(after) != CLOSE_PARENTHESIS) { |
| 100 |
1
1. processLeft : removed call to com/puppycrawl/tools/checkstyle/checks/whitespace/AbstractParenPadCheck::log → KILLED |
log(ast.getLineNo(), after, MSG_WS_NOT_FOLLOWED, OPEN_PARENTHESIS); |
| 101 | } | |
| 102 | } | |
| 103 | } | |
| 104 | ||
| 105 | /** | |
| 106 | * Process a token representing a right parentheses. | |
| 107 | * @param ast the token representing a right parentheses | |
| 108 | */ | |
| 109 | protected void processRight(DetailAST ast) { | |
| 110 |
1
1. processRight : Replaced integer subtraction with addition → KILLED |
final int before = ast.getColumnNo() - 1; |
| 111 |
2
1. processRight : changed conditional boundary → KILLED 2. processRight : negated conditional → KILLED |
if (before >= 0) { |
| 112 |
1
1. processRight : Replaced integer subtraction with addition → KILLED |
final String line = getLines()[ast.getLineNo() - 1]; |
| 113 |
1
1. processRight : negated conditional → KILLED |
if (option == PadOption.NOSPACE |
| 114 |
1
1. processRight : negated conditional → KILLED |
&& Character.isWhitespace(line.charAt(before)) |
| 115 |
1
1. processRight : negated conditional → KILLED |
&& !CommonUtils.hasWhitespaceBefore(before, line)) { |
| 116 |
1
1. processRight : removed call to com/puppycrawl/tools/checkstyle/checks/whitespace/AbstractParenPadCheck::log → KILLED |
log(ast.getLineNo(), before, MSG_WS_PRECEDED, CLOSE_PARENTHESIS); |
| 117 | } | |
| 118 |
1
1. processRight : negated conditional → KILLED |
else if (option == PadOption.SPACE |
| 119 |
1
1. processRight : negated conditional → KILLED |
&& !Character.isWhitespace(line.charAt(before)) |
| 120 |
1
1. processRight : negated conditional → KILLED |
&& line.charAt(before) != OPEN_PARENTHESIS) { |
| 121 |
1
1. processRight : removed call to com/puppycrawl/tools/checkstyle/checks/whitespace/AbstractParenPadCheck::log → KILLED |
log(ast.getLineNo(), ast.getColumnNo(), |
| 122 | MSG_WS_NOT_PRECEDED, CLOSE_PARENTHESIS); | |
| 123 | } | |
| 124 | } | |
| 125 | } | |
| 126 | } | |
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