80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
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/* Taken from the javaxdelta project.
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http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/javaxdelta/javaxdelta/com/nothome/delta/DebugDiffWriter.java?rev=1.1.1.1&content-type=text/vnd.viewcvs-markup */
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/*
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*
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* Copyright (c) 2001 Torgeir Veimo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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package org.thdl.util.javaxdelta;
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/**
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* This class implements a GDIFF output queue, that will contatenate
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* subsequent copy statements when necessary, and write both
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* copy statement and insert statement to the specified OutputStream.
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*
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* The output follows the GDIFF file specification available at
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* http://www.w3.org/TR/NOTE-gdiff-19970901.html.
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*/
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import java.util.*;
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import java.io.*;
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public class DebugDiffWriter implements DiffWriter {
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byte buf[] = new byte[256]; int buflen = 0;
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public DebugDiffWriter() {}
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public void addCopy(int offset, int length) throws IOException {
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if (buflen > 0)
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writeBuf();
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System.err.println("COPY off: " + offset + ", len: " + length);
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}
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public void addData(byte b) throws IOException {
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if (buflen < 256)
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buf[buflen++] = b;
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else
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writeBuf();
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}
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private void writeBuf() {
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if (buflen > 0) { // DC: added this
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System.err.print("DATA: ");
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for (int ix = 0; ix < buflen; ix++) {
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if (buf[ix] == '\n')
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System.err.print("\\n");
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else
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System.err.print(String.valueOf((char)((char) buf[ix])));
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//System.err.print("0x" + Integer.toHexString(buf[ix]) + " "); // hex output
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}
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System.err.println("");
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buflen = 0;
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}
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}
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public void flush() throws IOException { writeBuf(); } // DC: these did nothing, but that's not correct.
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public void close() throws IOException { flush(); } // DC: these did nothing, but that's not correct.
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}
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