Source Code Cross Referenced for SourceInfo.java in  » Template-Engine » Tea » com » go » tea » compiler » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Template Engine » Tea » com.go.tea.compiler 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* ====================================================================
002:         * Tea - Copyright (c) 1997-2000 Walt Disney Internet Group
003:         * ====================================================================
004:         * The Tea Software License, Version 1.1
005:         *
006:         * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
007:         *
008:         * Redistribution and use in source and binary forms, with or without
009:         * modification, are permitted provided that the following conditions
010:         * are met:
011:         *
012:         * 1. Redistributions of source code must retain the above copyright
013:         *    notice, this list of conditions and the following disclaimer.
014:         *
015:         * 2. Redistributions in binary form must reproduce the above copyright
016:         *    notice, this list of conditions and the following disclaimer in
017:         *    the documentation and/or other materials provided with the
018:         *    distribution.
019:         *
020:         * 3. The end-user documentation included with the redistribution,
021:         *    if any, must include the following acknowledgment:
022:         *       "This product includes software developed by the
023:         *        Walt Disney Internet Group (http://opensource.go.com/)."
024:         *    Alternately, this acknowledgment may appear in the software itself,
025:         *    if and wherever such third-party acknowledgments normally appear.
026:         *
027:         * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
028:         *    not be used to endorse or promote products derived from this
029:         *    software without prior written permission. For written
030:         *    permission, please contact opensource@dig.com.
031:         *
032:         * 5. Products derived from this software may not be called "Tea",
033:         *    "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
034:         *    "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
035:         *    written permission of the Walt Disney Internet Group.
036:         *
037:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
038:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
039:         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
040:         * DISCLAIMED.  IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
041:         * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
042:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
043:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
044:         * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
045:         * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
046:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
047:         * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
048:         * ====================================================================
049:         *
050:         * For more information about Tea, please see http://opensource.go.com/.
051:         */
052:
053:        package com.go.tea.compiler;
054:
055:        /******************************************************************************
056:         * Provides information on where an object (like a token) appeared in the
057:         * the source file.
058:         *
059:         * @author Brian S O'Neill
060:         * @version
061:         * <!--$$Revision:--> 17 <!-- $-->, <!--$$JustDate:--> 00/12/14 <!-- $-->
062:         */
063:        public class SourceInfo implements  Cloneable, java.io.Serializable {
064:            private int mLine;
065:            private int mStartPosition;
066:            private int mEndPosition;
067:
068:            public SourceInfo(int line, int startPos, int endPos) {
069:                mLine = line;
070:                mStartPosition = startPos;
071:                mEndPosition = endPos;
072:            }
073:
074:            /**
075:             * @return The line in the source file. The first line is one.
076:             */
077:            public int getLine() {
078:                return mLine;
079:            }
080:
081:            /**
082:             * @return The character position in the source file where this object 
083:             * started. The first position of the source file is zero.
084:             */
085:            public int getStartPosition() {
086:                return mStartPosition;
087:            }
088:
089:            /**
090:             * @return The character position in the source file where this object 
091:             * ended. The first position of the source file is zero.
092:             */
093:            public int getEndPosition() {
094:                return mEndPosition;
095:            }
096:
097:            /**
098:             * @return A character position detailing this object. Usually is the same 
099:             * 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:                } catch (CloneNotSupportedException e) {
109:                    // Should never happen
110:                    throw new RuntimeException(e.toString());
111:                }
112:            }
113:
114:            /**
115:             * @return A clone of this SourceInfo, but with a different end position
116:             */
117:            public SourceInfo setEndPosition(int endPos) {
118:                SourceInfo infoCopy = copy();
119:                infoCopy.mEndPosition = endPos;
120:                return infoCopy;
121:            }
122:
123:            /**
124:             * @return A clone of this SourceInfo, but with a different end position
125:             */
126:            public SourceInfo setEndPosition(SourceInfo info) {
127:                return setEndPosition(info.getEndPosition());
128:            }
129:
130:            public String toString() {
131:                StringBuffer buf = new StringBuffer(60);
132:
133:                buf.append("line=");
134:                buf.append(getLine());
135:                buf.append(',');
136:                buf.append("start=");
137:                buf.append(getStartPosition());
138:                buf.append(',');
139:                buf.append("end=");
140:                buf.append(getEndPosition());
141:                buf.append(',');
142:                buf.append("detail=");
143:                buf.append(getDetailPosition());
144:
145:                return buf.toString();
146:            }
147:        }
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