| Clover coverage report - DrJava Test Coverage (drjava-20120304-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| QuestionExistsCharInStmt.java | - | 100% | 100% | 100% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK | |
| 2 | * | |
| 3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions are met: | |
| 8 | * * Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * * Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
| 14 | * names of its contributors may be used to endorse or promote products | |
| 15 | * derived from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | * | |
| 29 | * This software is Open Source Initiative approved Open Source Software. | |
| 30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
| 31 | * | |
| 32 | * This file is part of DrJava. Download the current version of this project | |
| 33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
| 34 | * | |
| 35 | * END_COPYRIGHT_BLOCK*/ | |
| 36 | ||
| 37 | package edu.rice.cs.drjava.model.definitions.indent; | |
| 38 | ||
| 39 | import edu.rice.cs.drjava.model.AbstractDJDocument; | |
| 40 | ||
| 41 | /** Determines if the given search character is found between the start of the current statement and the end character. | |
| 42 | * Accomplishes this by searching backwards from the end character, for the search character until one of the | |
| 43 | * following characters is found: '}', '{', ';', 0. | |
| 44 | * <b>The given end character must exist on the current line and not be part of a quote or comment.</b> If there is | |
| 45 | * more than end character on the given line, then the first end character is used. | |
| 46 | * <p>This question is useful for determining if, when a colon is found on a line, it is part of a ternary operator | |
| 47 | * or not (construct this question with '?' for search character and ':' for end character). | |
| 48 | * <p>It can also be used to determine if a statement contains a particular character by constructing it with the | |
| 49 | * desired character as a search character and the end character as ';'. | |
| 50 | * <p>Note that characters in comments and quotes are disregarded. | |
| 51 | * | |
| 52 | * @version $Id: QuestionExistsCharInStmt.java 5175 2010-01-20 08:46:32Z mgricken $ | |
| 53 | */ | |
| 54 | public class QuestionExistsCharInStmt extends IndentRuleQuestion { | |
| 55 | /** The character to search for | |
| 56 | */ | |
| 57 | private char _findChar; | |
| 58 | ||
| 59 | /** The character which marks the end of the search | |
| 60 | * space. i.e. search from the start of the statment | |
| 61 | * to the end char. | |
| 62 | */ | |
| 63 | private char _endChar; | |
| 64 | ||
| 65 | /** Constructs a rule to determine if findChar exists | |
| 66 | * between the start of the current statement and endChar. | |
| 67 | * | |
| 68 | * @param findChar Character to search for from the start of the | |
| 69 | * statement to endChar | |
| 70 | * @param endChar Character that marks the end of the search space. Must | |
| 71 | * exist on the current line and not be in quotes or comments. | |
| 72 | * @param yesRule Rule to use if this rule holds | |
| 73 | * @param noRule Rule to use if this rule does not hold | |
| 74 | */ | |
| 75 | 2953 | public QuestionExistsCharInStmt(char findChar, char endChar, IndentRule yesRule, IndentRule noRule) { |
| 76 | 2953 | super(yesRule, noRule); |
| 77 | 2953 | _findChar = findChar; |
| 78 | 2952 | _endChar = endChar; |
| 79 | } | |
| 80 | ||
| 81 | /** Searches backwards from endChar to the start of the statement looking for findChar. Ignores characters in | |
| 82 | * comments and quotes. Start of the statement is the point right after when one of the following characters | |
| 83 | * is found: ';', '{', '}', 0. | |
| 84 | * @param doc AbstractDJDocument containing the line to be indented. | |
| 85 | * @return true if this node's rule holds. | |
| 86 | */ | |
| 87 | 19 | boolean applyRule(AbstractDJDocument doc, Indenter.IndentReason reason) { |
| 88 | ||
| 89 | // Find the position of endChar on the current line | |
| 90 | 19 | int endCharPos = doc.findCharOnLine(doc.getCurrentLocation(), _endChar); |
| 91 | 19 | return doc.findCharInStmtBeforePos(_findChar, endCharPos); |
| 92 | } | |
| 93 | } |
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