| Clover coverage report - DrJava Test Coverage (drjava-20120304-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| QuestionNewParenPhrase.java | 100% | 93.8% | 100% | 95.8% |
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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 javax.swing.text.*; | |
| 40 | import edu.rice.cs.util.UnexpectedException; | |
| 41 | import edu.rice.cs.drjava.model.AbstractDJDocument; | |
| 42 | ||
| 43 | /** Question rule in the indentation decision tree. Determines if the current line starts a new "phrase" within a | |
| 44 | * parenthesized expression. Specifically, this rule determines if the previous line ends in a comma, semicolon, | |
| 45 | * open paren, or open bracket. Note that whitespace, blank lines, and comments are disregarded. | |
| 46 | * | |
| 47 | * @version $Id: QuestionNewParenPhrase.java 5175 2010-01-20 08:46:32Z mgricken $ | |
| 48 | */ | |
| 49 | public class QuestionNewParenPhrase extends IndentRuleQuestion { | |
| 50 | ||
| 51 | /** Constructs a new rule to determine if the current line starts new paren phrase. | |
| 52 | * @param yesRule Rule to use if this rule holds | |
| 53 | * @param noRule Rule to use if this rule does not hold | |
| 54 | */ | |
| 55 | 2957 | public QuestionNewParenPhrase(IndentRule yesRule, IndentRule noRule) { |
| 56 | 2958 | super(yesRule, noRule); |
| 57 | } | |
| 58 | ||
| 59 | /** Determines if the previous line ends in a comma, semicolon, | |
| 60 | * open paren, open bracket, operator, or comparator. | |
| 61 | * @param doc AbstractDJDocument containing the line to be indented. | |
| 62 | * @return true if this node's rule holds. | |
| 63 | */ | |
| 64 | 48 | boolean applyRule(AbstractDJDocument doc, Indenter.IndentReason reason) { |
| 65 | ||
| 66 | 48 | try { |
| 67 | // Find start of line | |
| 68 | 48 | int here = doc.getCurrentLocation(); |
| 69 | 48 | int startLine = doc._getLineStartPos(here); |
| 70 | ||
| 71 | 48 | if (startLine > 0) { |
| 72 | // Find previous delimiter (looking in paren phrases) | |
| 73 | 47 | char[] delims = {';', ',', '(', '[', '&', '|', '+', '-', '*', '/', '%', '=', '<', '>', '}'}; |
| 74 | 47 | int prevDelim = doc.findPrevDelimiter(startLine, delims, false); |
| 75 | 47 | if (prevDelim == -1) { |
| 76 | 3 | return false; |
| 77 | } | |
| 78 | ||
| 79 | // Make sure the delim is the previous non-WS char | |
| 80 | 44 | int nextNonWS = doc.getFirstNonWSCharPos(prevDelim + 1); |
| 81 | 44 | if (nextNonWS == -1) { |
| 82 | 6 | nextNonWS = startLine; |
| 83 | } | |
| 84 | 44 | boolean result = nextNonWS >= startLine; |
| 85 | // if (! result) Utilities.show("QuestionNewParenPhrase is returning false at pos " + here); | |
| 86 | 44 | return result; |
| 87 | } | |
| 88 | } | |
| 89 | catch (BadLocationException e) { | |
| 90 | // Shouldn't happen | |
| 91 | 0 | throw new UnexpectedException(e); |
| 92 | } | |
| 93 | // On first line | |
| 94 | 1 | return false; |
| 95 | } | |
| 96 | } |
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