Mercurial > hg > blitz_stable
diff src/com/go/trove/io/SourceInfo.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/com/go/trove/io/SourceInfo.java Sat Mar 21 11:00:06 2009 +0000 @@ -0,0 +1,148 @@ +/* ==================================================================== + * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group + * ==================================================================== + * The Tea Software License, Version 1.1 + * + * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Walt Disney Internet Group (http://opensource.go.com/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact opensource@dig.com. + * + * 5. Products derived from this software may not be called "Tea", + * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", + * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior + * written permission of the Walt Disney Internet Group. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * For more information about Tea, please see http://opensource.go.com/. + */ + +package com.go.trove.io; + +/****************************************************************************** + * Provides information on where an object (like a token) appeared in the + * the source file. + * + * @author Brian S O'Neill + * @version + * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 12/11/00 <!-- $--> + */ +public class SourceInfo implements Cloneable, java.io.Serializable { + private int mLine; + private int mStartPosition; + private int mEndPosition; + + public SourceInfo(int line, int startPos, int endPos) { + mLine = line; + mStartPosition = startPos; + mEndPosition = endPos; + } + + /** + * @return The line in the source file. The first line is one. + */ + public int getLine() { + return mLine; + } + + /** + * @return The character position in the source file where this object + * started. The first position of the source file is zero. + */ + public int getStartPosition() { + return mStartPosition; + } + + /** + * @return The character position in the source file where this object + * ended. The first position of the source file is zero. + */ + public int getEndPosition() { + return mEndPosition; + } + + /** + * @return A character position detailing this object. Usually is the same + * as the start position. + */ + public int getDetailPosition() { + return mStartPosition; + } + + private SourceInfo copy() { + try { + return (SourceInfo)super.clone(); + } + catch (CloneNotSupportedException e) { + // Should never happen + throw new RuntimeException(e.toString()); + } + } + + /** + * @return A clone of this SourceInfo, but with a different end position + */ + public SourceInfo setEndPosition(int endPos) { + SourceInfo infoCopy = copy(); + infoCopy.mEndPosition = endPos; + return infoCopy; + } + + /** + * @return A clone of this SourceInfo, but with a different end position + */ + public SourceInfo setEndPosition(SourceInfo info) { + return setEndPosition(info.getEndPosition()); + } + + public String toString() { + StringBuffer buf = new StringBuffer(60); + + buf.append("line="); + buf.append(getLine()); + buf.append(','); + buf.append("start="); + buf.append(getStartPosition()); + buf.append(','); + buf.append("end="); + buf.append(getEndPosition()); + buf.append(','); + buf.append("detail="); + buf.append(getDetailPosition()); + + return buf.toString(); + } +}