| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ccvs.core.client.listeners; |
| |
| |
| import java.io.PrintStream; |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.team.internal.ccvs.core.*; |
| import org.eclipse.team.internal.ccvs.core.client.CommandOutputListener; |
| import org.eclipse.team.internal.ccvs.core.client.Session; |
| |
| public class DiffListener extends CommandOutputListener { |
| |
| //Error Messages returned by CVS |
| static final String ERR_NOSUCHDIRECTORY = "cvs [diff aborted]: no such directory"; //$NON-NLS-1$ |
| |
| // Expressions for examining response lines |
| static final String INDEX = "Index: "; //$NON-NLS-1$ |
| static final String BINARYFILESDIFFER = "Binary files .* and .* differ"; //$NON-NLS-1$ |
| |
| PrintStream patchStream; |
| boolean wroteToStream; |
| |
| private String index = ""; //$NON-NLS-1$ |
| |
| public DiffListener(PrintStream patchStream) { |
| this.patchStream = patchStream; |
| wroteToStream=false; |
| } |
| |
| public IStatus messageLine( |
| String line, |
| ICVSRepositoryLocation location, |
| ICVSFolder commandRoot, |
| IProgressMonitor monitor) { |
| |
| // Special handling to avoid getting duplicate CRs when generating a patch on windows. |
| // If the remote file has CR/LF in it, then the line will have a CR at the end. |
| // We need to remove it so we don't end up with two CRs (since the printStream will also add one). |
| // On *nix, we want to include the CR since it will not be added by the printStream (see bug 92162). |
| if (Session.IS_CRLF_PLATFORM && line.length() > 0 && line.charAt(line.length() - 1) == '\r') { |
| line = line.substring(0, line.length() - 1); |
| } |
| patchStream.println(line); |
| wroteToStream = true; |
| |
| if (line.startsWith(INDEX)) { |
| index = line.substring(INDEX.length()); |
| } else if (Pattern.matches(BINARYFILESDIFFER, line)) { |
| String message = NLS.bind( |
| CVSMessages.ThePatchDoesNotContainChangesFor_0, |
| new String[] { index }); |
| return new CVSStatus(IStatus.WARNING, |
| CVSStatus.BINARY_FILES_DIFFER, message, (Throwable) null); |
| } |
| |
| return OK; |
| } |
| |
| public IStatus errorLine( |
| String line, |
| ICVSRepositoryLocation location, |
| ICVSFolder commandRoot, |
| IProgressMonitor monitor) { |
| // return all the server errors as CVSStatus.ERROR_LINE or |
| // CVSStatus.PROTOCOL_ERROR |
| if (getServerMessage(line, location) != null) { |
| return super.errorLine(line, location, commandRoot, monitor); |
| } |
| |
| //Check to see if this is a no such directory message |
| if (line.indexOf(ERR_NOSUCHDIRECTORY) != -1){ |
| return OK; |
| } |
| return super.errorLine(line, location, commandRoot, monitor); |
| } |
| |
| public boolean wroteToStream() { |
| return wroteToStream; |
| } |
| } |