Source Code Cross Referenced for Indenter.java in  » IDE » DrJava » edu » rice » cs » drjava » model » definitions » indent » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » IDE » DrJava » edu.rice.cs.drjava.model.definitions.indent 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*BEGIN_COPYRIGHT_BLOCK
002:         *
003:         * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
004:         * All rights reserved.
005:         * 
006:         * Redistribution and use in source and binary forms, with or without
007:         * modification, are permitted provided that the following conditions are met:
008:         *    * Redistributions of source code must retain the above copyright
009:         *      notice, this list of conditions and the following disclaimer.
010:         *    * Redistributions in binary form must reproduce the above copyright
011:         *      notice, this list of conditions and the following disclaimer in the
012:         *      documentation and/or other materials provided with the distribution.
013:         *    * Neither the names of DrJava, the JavaPLT group, Rice University, nor the
014:         *      names of its contributors may be used to endorse or promote products
015:         *      derived from this software without specific prior written permission.
016:         * 
017:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
018:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
019:         * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
020:         * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
021:         * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
022:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
023:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
024:         * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
025:         * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
026:         * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
027:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
028:         *
029:         * This software is Open Source Initiative approved Open Source Software.
030:         * Open Source Initative Approved is a trademark of the Open Source Initiative.
031:         * 
032:         * This file is part of DrJava.  Download the current version of this project
033:         * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/
034:         * 
035:         * END_COPYRIGHT_BLOCK*/
036:
037:        package edu.rice.cs.drjava.model.definitions.indent;
038:
039:        import edu.rice.cs.drjava.model.AbstractDJDocument;
040:        import edu.rice.cs.drjava.DrJava;
041:        import edu.rice.cs.drjava.config.OptionConstants;
042:
043:        /** Singleton class to construct and use the indentation decision tree.
044:         * @version $Id: Indenter.java 4255 2007-08-28 19:17:37Z mgricken $
045:         */
046:        public class Indenter {
047:
048:            public Indenter(int indentLevel) {
049:                buildTree(indentLevel);
050:            }
051:
052:            /** 
053:             * Enumeration of reasons why indentation may be preformed.
054:             * */
055:            public enum IndentReason {
056:                /** Indicates that an enter key press caused the indentation.  This is important for some rules dealing with stars
057:                 * at the line start in multiline comments
058:                 */
059:                ENTER_KEY_PRESS,
060:                /** Indicates that indentation was started for some other reason.  This is important for some rules dealing with stars
061:                 * at the line start in multiline comments
062:                 */
063:                OTHER
064:            }
065:
066:            /** Root of decision tree. */
067:            protected IndentRule _topRule;
068:
069:            /** Builds the decision tree for indentation.
070:             * For now, this method needs to be called every time the size of one indent level is being changed!
071:             */
072:            public void buildTree(int indentLevel) {
073:                char[] indent = new char[indentLevel];
074:                java.util.Arrays.fill(indent, ' ');
075:                final String oneLevel = new String(indent);
076:
077:                boolean autoCloseComments = DrJava.getConfig().getSetting(
078:                        OptionConstants.AUTO_CLOSE_COMMENTS).booleanValue();
079:
080:                IndentRule
081:                // Main tree
082:                rule60 = new ActionStartPrevLinePlus(""), rule37 = new ActionStartCurrStmtPlus(
083:                        oneLevel), rule36 = new ActionStartStmtOfBracePlus(
084:                        oneLevel), rule35 = rule37, rule34 = new QuestionExistsCharInStmt(
085:                        '?', ':', rule35, rule36), rule33 = new QuestionLineContains(
086:                        ':', rule34, rule37), rule32 = new ActionStartCurrStmtPlus(
087:                        ""), rule31 = new QuestionCurrLineStartsWithSkipComments(
088:                        "{", rule32, rule33), rule39 = new ActionStartPrevStmtPlus(
089:                        "", true), rule29 = rule36, rule28 = new ActionStartPrevStmtPlus(
090:                        "", false), rule40 = rule28, rule30 = new QuestionExistsCharInPrevStmt(
091:                        '?', rule40, rule39), rule27 = new QuestionExistsCharInStmt(
092:                        '?', ':', rule28, rule29), rule26 = new QuestionLineContains(
093:                        ':', rule27, rule30), rule25 = new QuestionStartingNewStmt(
094:                        rule26, rule31), // no preceding open brace
095:                rule24 = new QuestionPrevLineStartsWith("@", rule60, rule25), rule23 = rule36, rule22 = new QuestionHasCharPrecedingOpenBrace(
096:                        new char[] { '=', ',', '{' }, rule23, rule24), rule21 = rule36, rule20 = new QuestionStartAfterOpenBrace(
097:                        rule21, rule22), rule19 = new ActionStartStmtOfBracePlus(
098:                        ""), rule18 = new QuestionCurrLineStartsWithSkipComments(
099:                        "}", rule19, rule20), // ANONYMOUS inner class formatting breaks here
100:                rule17 = new QuestionBraceIsCurly(rule18, rule24), // enclosing block/expr-list opens with '{'?
101:                rule16 = new ActionBracePlus(" " + oneLevel), rule15 = new ActionBracePlus(
102:                        " "), rule38 = new QuestionCurrLineStartsWith(")",
103:                        rule30, rule15), // does current line start with ')'?
104:                rule14 = new QuestionNewParenPhrase(rule38, rule16), // is current line new phrase after open paren?
105:                rule13 = new QuestionBraceIsParenOrBracket(rule14, rule17), // enclosing block/expr-list opens with "(" or "["?
106:
107:                // Comment tree
108:                rule12 = new ActionStartPrevLinePlus(""), rule11 = rule12, rule10 = new ActionStartPrevLinePlus(
109:                        "* "), rule09 = new QuestionCurrLineEmptyOrEnterPress(
110:                        rule10, rule11), rule08 = rule12, rule07 = new QuestionCurrLineStartsWith(
111:                        "*", rule08, rule09), rule06 = new QuestionPrevLineStartsWith(
112:                        "*", rule07, rule12), rule05 = new ActionStartPrevLinePlus(
113:                        " "), // padding prefix for interior of ordinary block comment
114:                rule04 = new ActionStartPrevLinePlus(" * "), // padding prefix for new line within ordinary block comment
115:                rule46 = new ActionStartPrevLinePlus("  * "), // padding prefix for new line within special javadoc block comment
116:                rule47 = new ActionStartPrevLinePlus("  "), // padding prefix for interior of special javadoc block comment
117:                rule45 = new QuestionPrevLineStartsJavaDocWithText(rule46,
118:                        rule04), // Prev line begins special javadoc comment?
119:                rule48 = new QuestionPrevLineStartsJavaDocWithText(rule47,
120:                        rule05), // Prev line begins special javadoc comment? 
121:                rule41 = new ActionStartPrevLinePlusMultilinePreserve(
122:                        new String[] { " * \n", " */" }, 0, 3, 0, 3), rule49 = new ActionStartPrevLinePlusMultilinePreserve(
123:                        new String[] { "  * \n", "  */" }, 0, 4, 0, 4), rule50 = new QuestionPrevLineStartsJavaDocWithText(
124:                        rule49, rule41),
125:
126:                rule03 = new QuestionCurrLineEmptyOrEnterPress(rule45, rule48), rule42 = new QuestionFollowedByStar(
127:                        rule04, rule41),
128:                //      rule49 = new ActionStartPrevLinePlusMultilinePreserve(new String[] {"  */" }, 0, 4, 0, 4), 
129:                //      rule50 = new QuestionFollowedByStar(rule46, rule49),
130:                //      rule51 = new QuestionPrevLineStartsJavaDocWithText(rule50, rule42),
131:                rule51 = new QuestionCurrLineEmpty(rule50, rule03), // autoClose: rule03 unnecessarily retests CurrentLineEmpty
132:                rule02 = new QuestionPrevLineStartsComment(
133:                        autoCloseComments ? rule51 : rule03, rule06), rule43 = new ActionDoNothing(), rule44 = new QuestionCurrLineIsWingComment(
134:                        rule43, rule13), rule01 = new QuestionInsideComment(
135:                        rule02, rule44);
136:
137:                _topRule = rule01;
138:            }
139:
140:            /** Indents the current line based on a decision tree which determines the indent based on context.
141:             * @param doc document containing line to be indented
142:             * @return true if the condition tested by the top rule holds, false otherwise
143:             */
144:            public boolean indent(AbstractDJDocument doc,
145:                    Indenter.IndentReason reason) {
146:                //    Utilities.showDebug("Indenter.indent called on doc "  + doc);
147:                return _topRule.indentLine(doc, reason);
148:            }
149:        }
www.j___a_v_a_2s__._c___o__m__ | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.