Mercurial > hg > blitz_stable

comparison src/com/go/trove/io/SourceInfo.java @ 0:3dc0c5604566

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Initial checkin of blitz 2.0 fcs - no installer yet.
author Dan Creswell <dan.creswell@gmail.com>
date Sat, 21 Mar 2009 11:00:06 +0000
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1 /* ====================================================================
2 * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group
3 * ====================================================================
4 * The Tea Software License, Version 1.1
5 *
6 * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. The end-user documentation included with the redistribution,
21 * if any, must include the following acknowledgment:
22 * "This product includes software developed by the
23 * Walt Disney Internet Group (http://opensource.go.com/)."
24 * Alternately, this acknowledgment may appear in the software itself,
25 * if and wherever such third-party acknowledgments normally appear.
26 *
27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
28 * not be used to endorse or promote products derived from this
29 * software without prior written permission. For written
30 * permission, please contact opensource@dig.com.
31 *
32 * 5. Products derived from this software may not be called "Tea",
33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
35 * written permission of the Walt Disney Internet Group.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * For more information about Tea, please see http://opensource.go.com/.
51 */
52
53 package com.go.trove.io;
54
55 /******************************************************************************
56 * Provides information on where an object (like a token) appeared in the
57 * the source file.
58 *
59 * @author Brian S O'Neill
60 * @version
61 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 12/11/00 <!-- $-->
62 */
63 public class SourceInfo implements Cloneable, java.io.Serializable {
64 private int mLine;
65 private int mStartPosition;
66 private int mEndPosition;
67
68 public SourceInfo(int line, int startPos, int endPos) {
69 mLine = line;
70 mStartPosition = startPos;
71 mEndPosition = endPos;
72 }
73
74 /**
75 * @return The line in the source file. The first line is one.
76 */
77 public int getLine() {
78 return mLine;
79 }
80
81 /**
82 * @return The character position in the source file where this object
83 * started. The first position of the source file is zero.
84 */
85 public int getStartPosition() {
86 return mStartPosition;
87 }
88
89 /**
90 * @return The character position in the source file where this object
91 * ended. The first position of the source file is zero.
92 */
93 public int getEndPosition() {
94 return mEndPosition;
95 }
96
97 /**
98 * @return A character position detailing this object. Usually is the same
99 * as the start position.
100 */
101 public int getDetailPosition() {
102 return mStartPosition;
103 }
104
105 private SourceInfo copy() {
106 try {
107 return (SourceInfo)super.clone();
108 }
109 catch (CloneNotSupportedException e) {
110 // Should never happen
111 throw new RuntimeException(e.toString());
112 }
113 }
114
115 /**
116 * @return A clone of this SourceInfo, but with a different end position
117 */
118 public SourceInfo setEndPosition(int endPos) {
119 SourceInfo infoCopy = copy();
120 infoCopy.mEndPosition = endPos;
121 return infoCopy;
122 }
123
124 /**
125 * @return A clone of this SourceInfo, but with a different end position
126 */
127 public SourceInfo setEndPosition(SourceInfo info) {
128 return setEndPosition(info.getEndPosition());
129 }
130
131 public String toString() {
132 StringBuffer buf = new StringBuffer(60);
133
134 buf.append("line=");
135 buf.append(getLine());
136 buf.append(',');
137 buf.append("start=");
138 buf.append(getStartPosition());
139 buf.append(',');
140 buf.append("end=");
141 buf.append(getEndPosition());
142 buf.append(',');
143 buf.append("detail=");
144 buf.append(getDetailPosition());
145
146 return buf.toString();
147 }
148 }