01: /*BEGIN_COPYRIGHT_BLOCK
02: *
03: * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions are met:
08: * * Redistributions of source code must retain the above copyright
09: * 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: import edu.rice.cs.drjava.model.definitions.reducedmodel.*;
41:
42: /** Determines whether or not the last block or expression list opened previous to the start of the current line was opened
43: * by one of the characters '(' or '['. This questions corresponds to rule 11 in our decision tree.
44: * @version $Id: QuestionBraceIsParenOrBracket.java 4255 2007-08-28 19:17:37Z mgricken $
45: */
46: public class QuestionBraceIsParenOrBracket extends IndentRuleQuestion {
47: /**
48: * @param yesRule The decision subtree for the case that this rule applies
49: * in the current context.
50: * @param noRule The decision subtree for the case that this rule does not
51: * apply in the current context.
52: */
53: public QuestionBraceIsParenOrBracket(IndentRule yesRule,
54: IndentRule noRule) {
55: super (yesRule, noRule);
56: }
57:
58: /**
59: * @param doc The AbstractDJDocument containing the current line.
60: * @param reason The reason the indentation is being done
61: * @return True iff the last block or expression list opened previous
62: * to the start of the current line was opened by one of the characters
63: * '(' or '['.
64: */
65: boolean applyRule(AbstractDJDocument doc,
66: Indenter.IndentReason reason) {
67: // PRE: We are not inside a multiline comment.
68:
69: IndentInfo info = doc.getIndentInformation();
70:
71: // We are using fields on IndentInfo which look
72: // at the start of the line, not the current position!
73:
74: return info.braceType.equals(IndentInfo.openParen)
75: || info.braceType.equals(IndentInfo.openBracket);
76: }
77: }
|